[DOC] [TLE] Thomas Henderson | Scottish astronomer | Britannica.com [PAR] The measurement of parallax is used directly to find the distance of the body from 
Earth ... triple star, the faintest component of which, Proxima Centauri, is the 
closest star to ... The two brighter components, called A and B, about 0.2 light-
year farther from ... In addition, he created the world's first industrial research 
laboratory. [DOC] [TLE] Alpha Centauri - Wikipedia [PAR] Alpha Centauri ( Cen) is the closest star system to the Solar System at a 
distance of 4.37 light-years ..... Lying 4.24 light-years away, Proxima Centauri is 
the nearest star to the Sun. .... Scottish-born observer Thomas Henderson in the 
1830s at the Royal Observatory at the Cape of Good Hope discovered the true 
distance to... [DOC] [TLE] Sirius - Wikipedia [PAR] Sirius is a star system and the brightest star in the Earth's night sky. With a visual 
apparent .... The parallax of Sirius was measured by Thomas Henderson using 
his .... large neighbouring star to Sirius is Procyon, 1.61 parsecs (5.24 ly) away. ... 
to pass within 4.3 light-years (1.3 pc) of Sirius in approximately 296,000 years. [DOC] [TLE] alpha centauri | Tumblr [PAR] Alpha Centauri is a triple star system located only 4.3 light years away ... It is the 
closest star system to our own, with Proxima Centauri, the dimmest of the three, 
.... sky around the bright star Alpha Centauri was created from photographic 
images ..... of yours and you are called Thomas James Alan Henderson (1798 - 
1844). [DOC] [TLE] Webb Deep-Sky Society: Double Star of the Month Archive before ... [PAR] STF2944 in Aquarius (22 47 50.19 -04 13 44.8) is a nice triple star which 
contains a visual ... of the system to the Sun - the parallax yields a distance of 105 
light years. ..... Hipparcos places the primary star at just over 500 light years away
. ..... Thomas Lewis considered it was an optical companion but the WDS says 
that it is... [DOC] [TLE] Alpha Centauri - Scribd [PAR] Alpha Centauri Proxima Centauri Binary star 1 16 23 ... Proper motion () Parallax 
() Distance Absolutemagnitude(M ) ... At 0.2 light years or 13.34 parsecs or 4. 
with 110% of the mass and 151. .... By 1752.24 light-years away. .... Scottish-born 
observer Thomas James Henderson in the 1830s at the Royal Observatory at... [DOC] [TLE] star alpha centauri: Topics by Science.gov [PAR] Alpha Centauri, a trinary star system, is 4.34 light years from earth. ... B and 
Proxima Centauri as a triple system, to establish limits on the evolution of the 
binary ...... stellar parallax measure ments made in Cape Town by Thomas 
Henderson. ..... the Sun and its nearest neighbor, the star Alpha Centauri, 4.3 
light-years away. [DOC] [TLE] Astronomy Delights LOW RES FOR INTERNET.pdf [PAR] Work outward from the core with faint pinpoint light specks created by a steady 
hand. 5. .... as on 14 July 1830 one of his sweeps took him within half a degree of 
the ...... The beautiful 1st magnitude star alpha Aquilae (Altair) 16.7 light-years 
away, ...... observation was done by Thomas Henderson in 183233 from the 
Royal. [DOC] [TLE] 365 days of SKYWATCHING - digilife . be [PAR] Jan 1, 2006 ... There is also an optional download of sky charts created ...... Today in 1839, 
South African Thomas Henderson measured the ... Centauri was found to be 4.3 
light-years away - this amounted to a ... Speaking of parallax, let's take a look at a 
star ...... Tonight let's try a lovely triple star system - Beta Monoceris. [DOC] [TLE] Download Book (PDF, 27597 KB) - Springer [PAR] years - which had their roots in the theory of motion of two self-attracting ..... 
Bessel reported the first reliable determination of the parallax of a fixed star (61 ... 
on Vega (a Lyrae); and - unknown to them both - Thomas Henderson ... periodic 
fluctuations of their position in the sky - rather than by the light ..... 1830 (title abbr

Question: In the 1830s Thomas Henderson established the parallax of this triple star about 4.3 light years away
Answer: Alpha Centauri