Registry · deep sky

PG 1218+304

BLLac SIMBAD BLL 505 papers

harvesting The full record is being pulled from the archives right now — measurement tables, the Gaia row, catalogue photometry. This page will fill itself in.

Right ascension: 12h 21m 21.94s
Declination: +30° 10′ 37.2″
Galactic l, b: 186.36, 82.73
Magnitude V: 15.85
Redshift z: 0.18388
Radial velocity: 50,130 km/s
Proper motion: -0.021, 0.142 mas/yr
Angular size: 0.17′ × 0.119′

Also known as

73 identifiers

1ES 1218+30.41FGL J1221.3+30081FHL J1221.3+30111H 1219+3011REX J122121+3010.61RXS J122121.7+3010412A 1218+3042A 1219+3052FGL J1221.3+30102FHL J1221.3+30092MASS J12212194+30103702MASX J12212192+30103682WHSP J122121.9+3010362XMM J122121.9+3010363A 1218+3033FGL J1221.3+30103FHL J1221.3+30103HSP J122122.0+3010374FGL J1221.3+301087GB 121852.6+3027159Y-MST J1221+3010B2 1218+30BWE 1218+3027CAIRNS J122121.94+301037.1CLASS J122121.9466+301037.152CSO 133EXO 1218.8+3027FBQS J1221+3010FIRST J122121.9+301037FL8Y J1221.3+3010Gaia DR2 4013476071428318720Gaia DR3 4013476071428318720GB6 B1218+3027GB6 J1221+3010H 1218+304H 1219+305[HB93] 1218+304IERS B1218+304[IN88] 1218+304INTREF 488IVS B1218+304LAMOST J122121.94+301037.2LEDA 1893319NVSS J122121+301036PBC J1221.3+3008PG 1218+304QSO B1218+304RBPL J1221+3010RBS 1100RGB J1221+301[RS65] 4RX J1221.3+3010RX J1221.4+3010SDSS J122121.94+301037.2SHBL J122121.9+301037SWIFT J1221.3+3012TeV J1221+301TIC 357187187VER J1221+301WISE J122121.95+301037.2WISEA J122121.94+301037.1WN B1218.8+3027XMMSL1 J122121.9+301040[ATZ98] D113[DGT2001] B1218+304[MGL2009] BZB J1221+3010[MML2015] 5BZB J1221+3010[VV2000b] J122121.9+301037[VV2003b] J122121.9+301037[VV2006b] J122121.9+301037[VV2010b] J122121.9+301037[VV98b] J122121.9+301037[ZEH2003] RX J1221.3+3010 1

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
SDSS J122114.98+300556.1	QSO	295.1″	—
2XMM J122118.2+301543	Seyfert1	310.3″	19.64
SDSS J122120.21+301611.3	QSO	334.9″	—
LEDA 1892750	Galaxy	369.5″	—
CBS 59	WhiteDwarf Candidate	432.5″	—
LEDA 1888866	Galaxy	458.1″	—

Provenance

where this card came from

Archive	Read at (UTC)	Record
Seeded from the bulk archive load; no per-object fetch yet.

Machine-readable: /api/v1/object/pg-1218-304 · Registry entry updated 2026-08-14.