{"id":1755105,"slug":"grb-970228","name":"GRB 970228","domain":"deep-sky","class":"source","otype":"gB","otype_label":"gammaBurst","ra":75.44458333333334,"dec":11.781388888888888,"coo_err_mas":null,"coo_bibcode":"2012ApJ...746..156C","plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":144981.97,"redshift":0.695,"dist_pc":null,"vmag":null,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":651,"simbad_oid":746445,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-09-04T18:03:48.160378+00:00","views":14,"first_seen":"2026-08-14T16:50:15.847052+00:00","updated_at":"2026-08-14T16:50:15.847052+00:00","identifiers":["GRB 970228","XRF 970228"],"measurements":[{"parameter":"radial_velocity","value":0.695,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"z","source":"simbad","reference":"2005ApJ...634.1155X","ref_year":2005},{"parameter":"sed_flux","value":1.06e-05,"value_text":null,"unit":"Jy","err_plus":1.3e-06,"err_minus":1.3e-06,"band":"SDSS:i","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":5.78e-06,"value_text":null,"unit":"Jy","err_plus":9.6e-07,"err_minus":9.6e-07,"band":"SDSS:r","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":1.06e-05,"value_text":null,"unit":"Jy","err_plus":1.3e-06,"err_minus":1.3e-06,"band":"PAN-STARRS/PS1:i","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":5.76e-06,"value_text":null,"unit":"Jy","err_plus":9.5e-07,"err_minus":9.5e-07,"band":"PAN-STARRS/PS1:r","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":6.18e-06,"value_text":null,"unit":"Jy","err_plus":3.8e-07,"err_minus":3.8e-07,"band":"Spitzer/IRAC:3.6","method":"II/368/sstsl2","source":"vizier","reference":"II/368/sstsl2","ref_year":null},{"parameter":"sed_flux","value":1.06e-05,"value_text":null,"unit":"Jy","err_plus":1.2e-06,"err_minus":1.2e-06,"band":"PAN-STARRS/PS1:i","method":"II/389/ps1_dr2","source":"vizier","reference":"II/389/ps1_dr2","ref_year":null},{"parameter":"sed_flux","value":5.76e-06,"value_text":null,"unit":"Jy","err_plus":9.5e-07,"err_minus":9.5e-07,"band":"PAN-STARRS/PS1:r","method":"II/389/ps1_dr2","source":"vizier","reference":"II/389/ps1_dr2","ref_year":null},{"parameter":"sed_flux","value":2.2e-05,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":":=701.0nm","method":"J/ApJ/746/156/table1","source":"vizier","reference":"J/ApJ/746/156/table1","ref_year":null}],"orbit":null,"exoplanet":null,"sources":[{"source":"simbad","url":"https://simbad.cds.unistra.fr/simbad/sim-basic?Ident=GRB 970228","fetched_at":"2026-09-04T18:03:42.461749+00:00"},{"source":"vizier","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-4?-c=75.444583%20+11.781389&-c.rs=5","fetched_at":"2026-09-04T18:03:48.158912+00:00"}]}