cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.57780/esa-83e227x
title: 2543279

description:   Target RA (J2000):  349.215973  and deg    Target Dec (J2000):  5.69600  and deg    Gaia GMag:  9.88    Programme ID:  CH_PR140068   Programme Manager:  EGGER   PI of observing programme:  Benz   Title of programme:  Axis 1 - Constraining the abundance of water in hot planets (HotWatermelon)   Abstract:  Planets located close enough to their star experience evaporation which leads to a dichotomy in the possible gas content of these objects. These planets either contain more than around one percent of gas (in mass) or no gas at all (see Owen and Wu 2017). This dichotomy when expressed in term of mass-radius relation implies the existence of a region in the mass-radius diagram of hot planets where dry planets cannot exist. We propose to observe planets that could lie in this region with CHEOPS. Combining a precise radius and mass will allow us to identify planets in this forbidden region hence showing that they have to contain volatiles most likely water. Our data combined with future JWST observations will also constrain the efficiency of evaporation.    [truncated! Please see actual data for full text]
DOI: 10.57780/esa-84xvo1u
title: 2483557

description:   Target RA (J2000):  311.289703  and deg    Target Dec (J2000):  -31.34090  and deg    Gaia GMag:  7.84    Programme ID:  CH_PR140071   Programme Manager:  SZABO   PI of observing programme:  Benz   Title of programme:  Axis 1 - Opening the treasure chest of the young golden system AU Mic with CHEOPS   Abstract:  AU Mic is a young (~22 Myr) active M1 star known to host two transiting warm Neptunes close to the 9:4 mean-motion resonance. Transit Timing Variations suggest that an additional resonant planet is likely present in the system. The rotation period of the star and the orbital period of AU Mic b are in a 7:4 spin-orbit commensurability. We also foundThere are systematic variations in the transit depth that correlate with the stars brightness strongly hampering the accuracy on the planetary radii. AU Mic displays differential rotation making it the youngest ``red star known to feature equator-to-pole spot migration.  AU Mic is a ``young goldmine for planetary and stellar physics a treasure chest just waiting to be opened. Thanks to its short-cadence space-born photometry CHEOPS is uniquely well suited to seize this opportunity. We propose to carry out an intensive CHEOPS observing campaign of AU Mic.    [truncated! Please see actual data for full text]
DOI: 10.57780/esa-85cyq8z
title: 2368377

description:   Target RA (J2000):  142.179245  and deg    Target Dec (J2000):  -14.68642  and deg    Gaia GMag:  9.62    Programme ID:  CH_PR140079   Programme Manager:  OSBORN   PI of observing programme:  Benz   Title of programme:  Axis 1 - DETECTIVE CHEOPS: Confirming small transiting planets on long orbital periods   Abstract:  Transiting planets orbiting bright stars are key for the characterisation of exoplanet atmospheres and internal structures. However the vast majority of such planets have short (P<20d) orbital periods. This is because long-period transiting planets do not produce consecutive transits in photometric survey data. However these planets are some of the most interesting as unlike their interior companions they are less affected by the gravitational and electromagnetic effects of their host stars. This programme will use CHEOPS to efficiently detect characterisable small transiting planets on long orbital periods. We will do this by leveraging as much external information as possible to constrain orbital periods - from nonconsecutive transits (i.e. mono- duo- or trio-transit candidates) in photometric survey data such as K2 or TESS and from radial velocities where available. Such techniques have been successful in the CHEOPS nominal mission with for example the photometrically-constrained TOI-2076 c  and  d (Osborn et al 2022) or the monotransit+RV case of TOI-561 d  and  e (Lacedelli et al 2021  and  2022). These planets once found by CHEOPS may also form interesting science targets for other parts of the GTO extended mission science case such as studying the architectural diversity of exoplanetary systems and even searches for exomoon  and  rings.    [truncated! Please see actual data for full text]
DOI: 10.57780/esa-88a7p38
title: 2601786

description:   Target RA (J2000):  67.984367  and deg    Target Dec (J2000):  -34.45553  and deg    Gaia GMag:  10.292    Programme ID:  CH_PR140072   Programme Manager:  SIMON   PI of observing programme:  Benz   Title of programme:  Axis 3 - Where are the exomoons?   Abstract:  During the past thirty years astronomers have discovered many extrasolar planets (e.g. Batalha et al. (2013)) which has sparked an excitement in the community whether these exoplanets may host a detectable and/or a habitable satellite so called extrasolar moon or exomoon. The technological and theoretical methods now allow the detection of sub-Earth-sized extrasolar planets and the first detection of an extrasolar moon appears feasible (Heller et al. 2014) but so far there is not a single case where the existence of an exomoon could have been demonstrated. Detecting the first exomoon would be a major discovery because moons can be new places for habitability Awiphan and Kerins 2013  Heller and Barnes 2013a  Heller 2012 can play a significant role in the evolution of the host planets and can play a key role in stabilising rotation axis (as Moon does for Earth Laskar et al. (1993)). Even though the mechanisms of moon formation are not fully understood moons seem to be an outcome of planet formation and a presence of exomoons would provide invaluable information on the planet’s interior and formation process (Crida and Charnoz 2012). To answer the question ”Where are the exomoons?” we would like to continue the search for them in the extended phase of the CHEOPS mission.    [truncated! Please see actual data for full text]
DOI: 10.6084/m9.figshare.c.3820441_d1
title: MOESM1 of Interferon γ induced compositional changes in human bone marrow derived mesenchymal stem/stromal cells

description: Additional file 1: Table S1. Summary data of identifications, intensities and normalised z scores of differences (i.e. of [D = (IFN intensity)-(CTL intensity)]. CTL and IFN refer respectively to cumulative peak intensities of peptides (log 2) for a given protein in untreated and interferon treated pairs of cells from the same donor. Z corresponds to the normalised z score for the differences observed for each protein (i.e. of [D = (IFN intensity)-(CTL intensity)] relative to the mean of the distribution within their corresponding donor pair.
DOI: 10.57780/esa-8a8fwu7
title: 2549176

description:   Target RA (J2000):  24.354305  and deg    Target Dec (J2000):  -45.67788  and deg    Gaia GMag:  9.166    Programme ID:  CH_PR140063   Programme Manager:  BARROS   PI of observing programme:  Benz   Title of programme:  Axis 3 - Measuring tides that shape planetary systems (TIDES)   Abstract:  Ultra-short orbital period planets suffer from intense tidal forces which lead to a deformation of the planets shape (Correia 2014  Barros et al. 2022) and shrinkage of the planets orbit. Measuring the tidal deformation of the planet allows us to estimate the second-degree fluid Love number and gain insight into the planets internal structure. Moreover measuring the tidal decay timescale allows us to estimate the stellar tidal quality factor which is key to constraining stellar physics. Therefore studying tidal effects in ultra-short orbital period planets gives us a wealth of information on planet-to-star tidal interactions that shape planetary systems. We also propose to estimate the tidal decay of a few hot-Jupiters for which we expect a measurable orbital period decrease within the next 3 years. The longer baseline allowed by the CHEOPS extension will be crucial for our ability to measure the tidal decay of some systems. During the CHEOPS nominal mission we achieved a breakthrough on the direct detection of the tidal deformation of exoplanets. Building on these results we also propose to better constrain the tidal deformation of WASP-103b and WASP-12b directly from the transit deformation signature (similar to  Barros et al. 2022) and also from the signature in the phase curve (similar to Akinsanmi et al. in prep.).    [truncated! Please see actual data for full text]
DOI: 10.57780/esa-8ayjgdy
title: 2390550

description:   Target RA (J2000):  181.632462  and deg    Target Dec (J2000):  -31.64567  and deg    Gaia GMag:  10.24    Programme ID:  CH_PR240022   PI of observing programme:  Jenkins   Title of programme:  Constraining the Prevalence of Metallic Clouds within the Neptune Desert   Abstract:  With the recent stunning discovery of a very high albedo for the extreme Neptune Desert planet LTT9779b a result that is likely due to the presence of high-altitude metallic clouds in the atmosphere scattering the incoming starlight we are finally beginning to understand the chemical structure and evolution of these desert worlds.  However given their rarity one may wonder whether such cloud structures are normal for these types of planets and if so what are the physical processes driving this.  In order to respond to this question we request observations using CHEOPS to observe two other planets that have recently been confirmed to reside in the Neptune Desert and who orbit stars bright enough to significantly detect their secondary eclipses in the optical.  We shall measure the eclipses of the planets TOI-1997b and TOI-2352b allowing us to place strong constraints on their albedos and therefore model their atmospheric structures.  This work will provide evidence for or against the presence of highly reflective silicate and titanium clouds in these planets and allow us to begin to build a global picture of the atmospheric constituents of some of the most extreme Neptune planets currently known.    [truncated! Please see actual data for full text]
DOI: 10.57780/esa-8ewlnoa
title: 2582839

description:   Target RA (J2000):  53.232685  and deg    Target Dec (J2000):  -9.45826  and deg    Gaia GMag:  3.47    Programme ID:  CH_PR250017   PI of observing programme:  Roettenbacher   Title of programme:  Not known   Abstract:  Not known    [truncated! Please see actual data for full text]
DOI: 10.57780/esa-8id2hmy
title: 2493373

description:   Target RA (J2000):  311.289703  and deg    Target Dec (J2000):  -31.34090  and deg    Gaia GMag:  7.84    Programme ID:  CH_PR140071   Programme Manager:  SZABO   PI of observing programme:  Benz   Title of programme:  Axis 1 - Opening the treasure chest of the young golden system AU Mic with CHEOPS   Abstract:  AU Mic is a young (~22 Myr) active M1 star known to host two transiting warm Neptunes close to the 9:4 mean-motion resonance. Transit Timing Variations suggest that an additional resonant planet is likely present in the system. The rotation period of the star and the orbital period of AU Mic b are in a 7:4 spin-orbit commensurability. We also foundThere are systematic variations in the transit depth that correlate with the stars brightness strongly hampering the accuracy on the planetary radii. AU Mic displays differential rotation making it the youngest ``red star known to feature equator-to-pole spot migration.  AU Mic is a ``young goldmine for planetary and stellar physics a treasure chest just waiting to be opened. Thanks to its short-cadence space-born photometry CHEOPS is uniquely well suited to seize this opportunity. We propose to carry out an intensive CHEOPS observing campaign of AU Mic.    [truncated! Please see actual data for full text]
DOI: 10.57780/esa-8iv1fha
title: 2510068

description:   Target RA (J2000):  275.943817  and deg    Target Dec (J2000):  -68.34489  and deg    Gaia GMag:  9.05    Programme ID:  CH_PR140079   Programme Manager:  OSBORN   PI of observing programme:  Benz   Title of programme:  Axis 1 - DETECTIVE CHEOPS: Confirming small transiting planets on long orbital periods   Abstract:  Transiting planets orbiting bright stars are key for the characterisation of exoplanet atmospheres and internal structures. However the vast majority of such planets have short (P<20d) orbital periods. This is because long-period transiting planets do not produce consecutive transits in photometric survey data. However these planets are some of the most interesting as unlike their interior companions they are less affected by the gravitational and electromagnetic effects of their host stars. This programme will use CHEOPS to efficiently detect characterisable small transiting planets on long orbital periods. We will do this by leveraging as much external information as possible to constrain orbital periods - from nonconsecutive transits (i.e. mono- duo- or trio-transit candidates) in photometric survey data such as K2 or TESS and from radial velocities where available. Such techniques have been successful in the CHEOPS nominal mission with for example the photometrically-constrained TOI-2076 c  and  d (Osborn et al 2022) or the monotransit+RV case of TOI-561 d  and  e (Lacedelli et al 2021  and  2022). These planets once found by CHEOPS may also form interesting science targets for other parts of the GTO extended mission science case such as studying the architectural diversity of exoplanetary systems and even searches for exomoon  and  rings.    [truncated! Please see actual data for full text]
DOI: 10.57780/esa-8j7bogg
title: 2593752

description:   Target RA (J2000):  61.331631  and deg    Target Dec (J2000):  20.15710  and deg    Gaia GMag:  10.08    Programme ID:  CH_PR240005   PI of observing programme:  Damasso   Title of programme:  Escape from the “V1298 Tau e labyrinth”: following the CHEOPS’ thread to confirm the orbital period and large TTVs/TDVs of an infant planet   Abstract:  The object of the proposal is the star V1298 Tau which hosts a system of four transiting planets. The focus of the science case is the confirmation of the orbital period of planet V1298 Tau e and the determination of its transit timing variations (TTVs) and transit duration variations (TDVs) also using archival photometric data collected by Kepler/K2 in 2015 and by TESS in 2021. Previous observations with CHEOPS allowed to identify P=45.00 days as the actual orbital period of planet e (private communication). This results must be necessarily confirmed with further follow-up aimed at detecting additional transits. The same CHEOPS observations revealed a significant TTV and TDV. Observing new transits with CHEOPS is the only way to measure the average orbital period and the TTVs/TDVs and to inform dynamical simulations in order to characterise the evolution of the planets’ orbits over very short timescale (of the order of a few years). The outstanding results expected from the follow-up with CHEOPS will be of great benefit for a proper modelling of hundreds of radial velocities of V1298 Tau collected so far whose analysis has proved very challenging so far.    [truncated! Please see actual data for full text]
DOI: 10.57780/esa-8jj9zqc
title: 2397311

description:   Target RA (J2000):  251.276459  and deg    Target Dec (J2000):  33.50923  and deg    Gaia GMag:  7.48    Programme ID:  CH_PR240019   PI of observing programme:  Stalport   Title of programme:  Understanding stellar activity patterns by coupling absolute photometry and intense RV monitoring   Abstract:  Nowadays stellar activity constitutes the main obstacle to the detection of planets with sub-meter per second radial velocity (RV) amplitudes. In the near future the PLATO mission will survey with high precision the photometric variations of bright stars inxa0specific areas of the sky. The combination of those observations with the most precise spectrographs will certainly be of upmost interest to alleviate stellar activity effects and provide mass measurements below the meter per second level needed to reach PLATO’s science goals. CHEOPS represents a unique opportunity to take a step ahead in prevision of PLATO and valuably support extensive RV surveys. We propose a long-term absolute photometry campaign in parallel to an already secured intense RV monitoring on HD151288 a moderately active star with yet-unclear activity patterns. In the fashion of a filler program with very limited constraints those observations could shed light on the complex RV stellar activity signals and they would serve as a benchmark for CHEOPS long-term stability and ability to conduct precise absolute photometry.    [truncated! Please see actual data for full text]
DOI: 10.57780/esa-8k5sblp
title: 2417960

description:   Target RA (J2000):  186.817169  and deg    Target Dec (J2000):  -29.83283  and deg    Gaia GMag:  11.34    Programme ID:  CH_PR140079   Programme Manager:  OSBORN   PI of observing programme:  Benz   Title of programme:  Axis 1 - DETECTIVE CHEOPS: Confirming small transiting planets on long orbital periods   Abstract:  Transiting planets orbiting bright stars are key for the characterisation of exoplanet atmospheres and internal structures. However the vast majority of such planets have short (P<20d) orbital periods. This is because long-period transiting planets do not produce consecutive transits in photometric survey data. However these planets are some of the most interesting as unlike their interior companions they are less affected by the gravitational and electromagnetic effects of their host stars. This programme will use CHEOPS to efficiently detect characterisable small transiting planets on long orbital periods. We will do this by leveraging as much external information as possible to constrain orbital periods - from nonconsecutive transits (i.e. mono- duo- or trio-transit candidates) in photometric survey data such as K2 or TESS and from radial velocities where available. Such techniques have been successful in the CHEOPS nominal mission with for example the photometrically-constrained TOI-2076 c  and  d (Osborn et al 2022) or the monotransit+RV case of TOI-561 d  and  e (Lacedelli et al 2021  and  2022). These planets once found by CHEOPS may also form interesting science targets for other parts of the GTO extended mission science case such as studying the architectural diversity of exoplanetary systems and even searches for exomoon  and  rings.    [truncated! Please see actual data for full text]
DOI: 10.57780/esa-8mx7duw
title: 2417035

description:   Target RA (J2000):  203.175919  and deg    Target Dec (J2000):  -65.24137  and deg    Gaia GMag:  10.068    Programme ID:  CH_PR140087   Programme Manager:  BATTLEY   PI of observing programme:  Benz   Title of programme:  Not known   Abstract:  Not known    [truncated! Please see actual data for full text]
DOI: 10.57780/esa-8swclec
title: 2415404

description:   Target RA (J2000):  189.839218  and deg    Target Dec (J2000):  20.02734  and deg    Gaia GMag:  8.172    Programme ID:  CH_PR140080   Programme Manager:  LELEU   PI of observing programme:  Benz   Title of programme:  Axis 1 - Architecture of Resonant Chains (ARC)   Abstract:  Resonant chains are gold mines for fueling our understanding of planetary systems. The minute details of their architectures encode the history of their formation: the order of the capture of the planets in the chain (Delisle 2017) the local shape of the proto-planetary disc and its dispersal (e.g.  Nesvorny et al 2022) and the long-term evolution of the system through tidal dissipation (e.g. Papaloizou et al 2018). The high multiplicity of these systems also makes them especially valuable to constrain our models of the formation of planetary systems (See Emsenhuber et al 2022 and other papers of the NGPPS series) since all the planets have to form in the same environment and the relative fragility of the configuration ensures that no violent evolution (e.g. close encounters/impacts) occurred after the dissipation of the proto-planetary disc (Leleu et al 2021). In addition the transit timing variations induced by the compactness of the systems allow for precise mass determination down to a few per cent in the case of Trappist-1 (Agol et al 2021). This allows an in-depth characterization of moderately insolated rocky planets and mini-Neptune with a precision which is rarely reachable through radial velocities enabling studies of their interiors and atmospheres. The brightness of the current targets of the program (Gaia band mag 11 for TOI178 12 for K2-138 8.4 for TOI1835) allows to combine RVs and photometric measurements. The two methods have a great synergy as TTVs allow for in-depth characterization o [truncated! Please see actual data for full text]
DOI: 10.57780/esa-8tg2wru
title: 2543350

description:   Target RA (J2000):  24.354305  and deg    Target Dec (J2000):  -45.67788  and deg    Gaia GMag:  9.166    Programme ID:  CH_PR140063   Programme Manager:  BARROS   PI of observing programme:  Benz   Title of programme:  Axis 3 - Measuring tides that shape planetary systems (TIDES)   Abstract:  Ultra-short orbital period planets suffer from intense tidal forces which lead to a deformation of the planets shape (Correia 2014  Barros et al. 2022) and shrinkage of the planets orbit. Measuring the tidal deformation of the planet allows us to estimate the second-degree fluid Love number and gain insight into the planets internal structure. Moreover measuring the tidal decay timescale allows us to estimate the stellar tidal quality factor which is key to constraining stellar physics. Therefore studying tidal effects in ultra-short orbital period planets gives us a wealth of information on planet-to-star tidal interactions that shape planetary systems. We also propose to estimate the tidal decay of a few hot-Jupiters for which we expect a measurable orbital period decrease within the next 3 years. The longer baseline allowed by the CHEOPS extension will be crucial for our ability to measure the tidal decay of some systems. During the CHEOPS nominal mission we achieved a breakthrough on the direct detection of the tidal deformation of exoplanets. Building on these results we also propose to better constrain the tidal deformation of WASP-103b and WASP-12b directly from the transit deformation signature (similar to  Barros et al. 2022) and also from the signature in the phase curve (similar to Akinsanmi et al. in prep.).    [truncated! Please see actual data for full text]
DOI: 10.57780/esa-8vw2gsb
title: 2475628

description:   Target RA (J2000):  311.289703  and deg    Target Dec (J2000):  -31.34090  and deg    Gaia GMag:  7.84    Programme ID:  CH_PR140071   Programme Manager:  SZABO   PI of observing programme:  Benz   Title of programme:  Axis 1 - Opening the treasure chest of the young golden system AU Mic with CHEOPS   Abstract:  AU Mic is a young (~22 Myr) active M1 star known to host two transiting warm Neptunes close to the 9:4 mean-motion resonance. Transit Timing Variations suggest that an additional resonant planet is likely present in the system. The rotation period of the star and the orbital period of AU Mic b are in a 7:4 spin-orbit commensurability. We also foundThere are systematic variations in the transit depth that correlate with the stars brightness strongly hampering the accuracy on the planetary radii. AU Mic displays differential rotation making it the youngest ``red star known to feature equator-to-pole spot migration.  AU Mic is a ``young goldmine for planetary and stellar physics a treasure chest just waiting to be opened. Thanks to its short-cadence space-born photometry CHEOPS is uniquely well suited to seize this opportunity. We propose to carry out an intensive CHEOPS observing campaign of AU Mic.    [truncated! Please see actual data for full text]