EntityQ1987201· pop 23· linked from 155 articlesQ1987201Sign in to savefirst gamma-ray burst for which an afterglow was observedConnectionsX-rayEntitygamma-ray burstEntitystarEntitylightEntityMilky WayEntitygalaxyEntityInternational Standard Book NumberEntityUTCEntitylight-yearEntityconstellationEntityelectromagnetic radiationEntityOrionEntityinfrared radiationEntityWayback MachineEntitynebulaEntityjouleEntitysupernovaEntitydigital object identifierEntitygamma rayEntityradio waveEntityCategoriesAstronomical objects discovered in 1997February 1997Long-duration gamma-ray burstsOrion (constellation)