# List of gamma-ray bursts

The following is a list of significant gamma-ray bursts (GRBs) listed in chronological order. GRBs are named after the date on which they were detected: the first two numbers correspond to the year, the second two numbers to the month, and the last two numbers to the day.

## List

| Burst | Position | Redshift | Detected by | Notes |
| GRB 670702 | | | Vela 4 | First GRB detected |
| GRB 790305b | | | | The first observed SGR megaflare, a specific type of short GRB. |
| GRB 830801 | | | | Until October 2022, the brightest GRB detected (now overtaken by GRB 221009A) |
| GRB 970228 | | z = 0.695 | BeppoSAX | First X-ray afterglow, first optical afterglow |
| GRB 970402 | RA 14$^h$ 50.1$^m$ Dec −69° 20′ | | BeppoSAX | From an X-ray source never seen before in the constellation Circinus. |
| GRB 970508 | | z = 0.835 | BeppoSAX | First redshift, first radio afterglow |
| GRB 971214 | | z = 3.4 | BATSE | The first GRB at z > 1; the most luminous of the earliest few GRBs. |
| GRB 980425 | | z = 0.008 | BATSE | The second closest GRB to date (after GRB 170817A) and the first associated with a supernova. |
| GRB 990123 | R.A. 15$^h$ 25$^m$ 29$^s$ Decl. 44° 45′ 30″ | z = 1.6 | BeppoSAX | First burst observed simultaneously in optical and gamma-rays. Brightest observed afterglow before the launch of Swift. |
| GRB 991216 | | | BATSE | First burst detected by the Chandra X-ray Observatory |
| GRB 030329 | | z = 0.168 | HETE-2 | The closest "classical" long GRB to Earth and the most thoroughly studied afterglow to date. |
| GRB 050509B | | z = 0.225 | Swift | First short burst with a detected afterglow and a possible host galaxy (not unique). |
| GRB 050709 | | z = 0.161 | HETE-2 | First short burst with a detected optical counterpart. |
| GRB 050724 | | z = 0.258 | Swift | First short burst with a detected radio, optical, and X-ray counterpart, as well as an unambiguous association with an elliptical galaxy. |
| GRB 060218 | | z = 0.0331 | Swift | First GRB with an accompanying supernova which could be tracked starting immediately after the burst. |
| GRB 060614 | R.A. 21$^h$ 23$^m$ 27.0$^s$ Decl. −53° 02′ 02″ | z = 0.125 | Swift | Either a long-duration burst in which the presence of a bright supernova is ruled out, or a short-duration burst with extremely long-lasting gamma-ray emission. |
| GRB 080319B | | z = 0.937 | Swift | The most (optically) luminous event of any nature observed in the universe to date. By far the brightest optical afterglow of any gamma-ray burst. |
| GRB 080916C | | z = 4.35 | Fermi | Formerly the most energetic gamma-ray burst observed. |
| GRB 090423 | R.A. 09$^h$ 55$^m$ 33.08$^s$ Decl. +18° 08′ 58.9″ | z = 8.2 | Swift | Remains the record holder for most distant observed object in the universe with spectroscopic confirmation. |
| GRB 101225A | R.A. 00$^h$ 00$^m$ 47.51$^s$ Decl. +44° 36′ 01.1″ | z = 0.33 | Swift | 28 minutes duration. Also known as the "Christmas burst". |
| GRB 130427A | R.A. 11$^h$ 32$^m$ 32.84$^s$ Decl. +27° 41′ 56.2″ | z = 0.34 | Swift | hours duration |
| GRB 160625B | R.A. 20$^h$ 34$^m$ 23.25$^s$ Decl. +06° 55′ 10.5″ | z = 1.406 | Fermi; LAT | Extremely bright burst with polarized optical light |
| GRB 170817A | R.A. 12$^h$ 47$^m$ Decl. −39° 48′ | z = 0.009727 | Fermi | Neutron star collision, producing the gravitational wave named GW170817. Closest GRB known to date |
| GRB 200826A | | z=0.7486 | | A short duration gamma ray burst that lasted for 0.5 seconds. |
| GRB 211211A | | z=0.0785 | Swift, Fermi | First long GRB from a binary neutron star merger |
| GRB 221009A | R.A. 19$^h$ 13$^m$ 03.48$^s$ Decl. 19° 46′ 24.6″ | z = 0.151 | Swift | One of the closest GRB and was the most energetic and brightest GRB ever recorded, deemed the "B.O.A.T.", or Brightest Of All Time. It had 18 TeV, a record. |
| GRB 230307A | | | Fermi | Second only to GRB 221009A in terms of fluence. |

## Extremes

GRB Extremes :
| Title | GRB | Data | Notes |
| Least distant | GRB 170817A | z = 0.009727 | Higher redshift than GRB 980425, but closer galaxy |
| Most distant with photometric redshift estimate | GRB 090429B | z = 9.4 | |
| Most distant with spectroscopic redshift estimate | GRB 090423 | z = 8.2 | |
| Least Luminous | | | |
| Most Luminous | GRB 110918A | z = 0.984 | Peak Luminosity (isotropic) is L$_{iso}$ = 4.7 × 10$^{47}$ Watts |
| Most Energetic | GRB 221009A | 18 TeV; z=0.151 | It is the most energetic gamma-ray burst ever recorded. It has been deemed to be the "B.O.A.T.", or Brightest Of All Time. It had the highest fluence and peak flux ever identified, by a large margin. It also holds the record for highest energy burst recorded if released isotropically, beating GRB 080916C. It may have released a photon at 251 TeV. |
| Longest duration | GRB 111209A | Duration = at least 7 hours | |
| Shortest duration | GRB 820405 | Duration = 12 ms | |
| Most distant naked-eye brightness GRB | GRB 080319B | Apparent magnitude: 5.3 z=0.937 | |

## Firsts

GRB Firsts :
| Title | GRB | Date | Data | Notes |
| First GRB detected | GRB 670702 | 1967 July 2 | | |
| First GRB identified | GRB 781104 | 1978 November 4 | | Venera-11, Venera-12, Prognoz-7, ISEE-3, Pioneer Venus Orbiter, Vela |
| First long duration GRB discovered | | | | |
| First short duration GRB discovered | | | | |
| First hard spectrum GRB discovered | | | | |
| First soft spectrum GRB discovered | | | | |
| First GRB whose distance was determined | GRB 970508 | | z=0.835 | |
| First GRB discovered with a radio afterglow | GRB 970508 | | | |
| First GRB discovered with an optical afterglow | GRB 970228 | February 28, 1997 02:58 UTC | | |
| First GRB discovered with an X-ray afterglow | GRB 780506 | | | |
| First Short GRB discovered with millimeter afterglow | GRB 211106A | 2021 November 6 04:37:31.2 UT | 0.7<z<1.4 | One of the widest and most energetic SGRB jets known to date. Associated with a neutron star merger. |
| First GRB linked to a supernova | GRB 980425 | 25 April 1998 21:49 UTC | SN 1998bw | GRB 030329 definitively linked SNe with GRBs, being associated with the hypernova SN 2003dh |
| First GRB of naked-eye brightness | GRB 080319B | 2008 March 19 06:12 UTC | Apparent magnitude: 5.7 | The first GRB bright enough to be visible to amateur astronomers with low powered scopes was GRB 990123 at magnitude 9 |
| First GRB with associated Gravitational wave detection | GRB 170817A | 2017 August 17 | GW170817 | |
| First GRB with tera-electron volt radiation from inverse Compton emission. | GRB 190114C | 2019 January 14 20:57:03 UT | z=0.4245; magnitude=15.60est | "light detected from the object had the highest energy ever observed: 1 Tera electron volt (TeV) -- about one trillion times as much energy per photon as visible light"; "the brightest light ever seen from Earth [to date]"; "this detection is considered a milestone in high-energy astrophysics". Its light energy was then overtaken by GRB 190829A with 3.3 TeV and then GRB 221009A with 18 TeV. |

## Most distant GRB

GRBs z>6 :
| GRB | Distance | Notes |
| GRB 090429B | z=9.4 | (photometric redshift) |
| GRB 090423 | z=8.2 | |
| GRB 080913 | z=6.7 | |
| GRB 060116 | z=6.60 | The high foreground extinction for this event makes this photometric redshift estimate very uncertain. |
| GRB 140515A | z=6.33 | |
| GRB 050904 | z=6.295 | |
| GRBs z>6 are used to explore the reionization era |||
Most Distant GRB Titleholders :
| GRB | Date | Distance | Notes |
| GRB 090429B | May 2011 — | z=9.4 | The GRB was observed in 2009, however its distance was not announced until 2011. |
| GRB 090423 | April 2009 — May 2011 | z=8.2 | This was the first GRB to become the most distant object in the universe. |
| GRB 080913 | September 2008 — April 2009 | z=6.7 | |
| GRB 050904 | September 2005 — September 2008 | z=6.29 | |
| GRB 000131 | January 2000 — September 2005 | z=4.50 | |
| GRB 971214 | December 1997 — January 2000 | z=3.42 | |
| GRB 970508 | May 1997 — December 1997 | z=0.835 | First GRB with its distance determined |