HETE2GCN ivo://nasa.heasarc/hete2gcn NASA/GSFC HEASARC Barthelmy; HEASARC 2026-10-09 NASA/GSFC HEASARC help desk heasarc-vo at athena.gsfc.nasa.gov GRB Transient HETE-2 (the High Energy Transient Explorer) is an international mission designed to help unravel the mystery of Gamma-Ray Bursts (GRBs). The primary goal of HETE-2 is to determine the origin and nature of cosmic gamma-ray bursts (GRBs) by simultaneous observation of soft and medium X-rays and gamma-rays to provide precise localization of GRBs and identification of counterparts to these explosions. HETE-2 carries three science instruments: a set of wide-field gamma-ray spectrometers (FREGATE), a wide-field X-ray monitor (WXM, and a set of soft X-ray cameras (SXC) HETE-2 was launched on October 9, 2000, and declared fully operational on February 6, 2001. The contents of this HEASARC database table are based on online tables created by Scott Barthelmy and available at the <a href="http://gcn.gsfc.nasa.gov/">http://gcn.gsfc.nasa.gov/</a> web site. The HEASARC table will be updated on a twice-per-week basis whenever the original tables are updated. This is a service provided by NASA HEASARC . https://heasarc.gsfc.nasa.gov/W3Browse/all/hete2gcn.html Catalog Research served-by HEASARC TAP https://heasarc.gsfc.nasa.gov/xamin/vo/cone?showoffsets&table=hete2gcn& GET text/xml 180 99999 true 315.56 -53.77 1 https://heasarc.gsfc.nasa.gov/xamin/vo/tap https://heasarc.gsfc.nasa.gov/cgi-bin/W3Browse/getvotable.pl?name=hete2gcn GET text/xml https://heasarc.gsfc.nasa.gov/cgi-bin/W3Browse/w3query.pl?tablehead=name=heasarc_hete2gcn&Action=More+Options&Action=Parameter+Search&ConeAdd=1 GAMMA-RAY BURSTS 1 Gamma-ray X-ray public hete2gcn HETE-2 GCN Triggers Catalog trigger_num GCN Trigger Number meta.id;meta.main int nullable "time" Burst Trigger Time (UT) mjd time.epoch double nullable type Type of Burst Notice: S/C Alert, S/C Update, S/C Lasts, GndAnalysis meta.note char nullable id_flag Flag Identifies Type of Event src.class short nullable id_verified Flag Indicates ID_Flag Verified by Human Inspector meta.code;src char nullable ra Right Ascension degree pos.eq.ra;meta.main double nullable dec Declination degree pos.eq.dec;meta.main double nullable error_radius Radius of Positional Error (arcmin) arcmin stat.error;pos double nullable instrument HETE-2 Instrument Which Triggered: WXM, SXC, TBD, none, neither instr char nullable "__x_ra_dec" System unit vector column double nullable "__y_ra_dec" System unit vector column double nullable "__z_ra_dec" System unit vector column double nullable "__row" System index column char nullable bii Galactic Latitude degree pos.galactic.lat double nullable lii Galactic Longitude degree pos.galactic.lon double nullable comments Trigger Comments meta.note char nullable