W Comae Berenices

	W Comae Berenices
Observationsdata; Epok: J2000.0
Rektascension	12t 21m 31,69s
Deklination	+28° 13′ 58,50″
Skenbar magnitud ()	+11,5 (maximum), 17,5 (minimum) Berenikes hår
Stjärntyp
Variabeltyp	Blazar (BL LAC)
Astrometri
Radialhastighet ()	29266 ± 48 km/s
Andra beteckningar
	7C 1219+2830, 3FGL J1221.4+2814, QSO B1219+28, ATZ98 D115, 1AGL J1222+2851, 1FHL J1221.6+2814, QSO B1219+285, CRJ2004 J1221.5+2813, AN 10.1916, FIRST J122131.6+281358, RGB J1221+282, DGT2001 B1219+285, B2 1219+28, GB6 B1219+2830, RGB J1221.5+2813, GGR94 1219+285, B2.2 1219+28, 87GB 121900.8+283039, RORF 1219+285, HB93 1219+285, BWE 1219+2830, GeV J1222+2837, RX J1221.5+2814, IN88 1219+285, CAIRNS J122131.69+281358.5, ICRF J122131.6+281358, RX J1221.5+2813, MGL2009 BZB J1221+2813, CGRaBS J1221+2813, IERS B1219+285, 1RXS J122131.1+281402, P82 1219+285, CLASS J122131.6935+281358.496, INTREF 489, S3 1219+28, VV2000b J122131.7+281358, 2E 2673, IVS B1219+285, SDSS J122131.69+281358.4, VV2003b J122131.7+281358, 2E 1219.0+2830, JVAS J1221+2813, TXS 1219+285, VV2006b J122131.7+281358, 2EG J1222+2821, JVAS B1219+285, VV2010b J122131.7+281358, 3EG J1222+2841, LINEAR 3472523, VIPS J12215+2813, VV98b J122131.7+281358, EGR J1222+2845, MASIV J1221+2813, VIPS 550, VYP98 1219+285, 2EGS J1222+2821, 2MASS J12213168+2813585, VRO 28.12.02, W72 1219+28, 1ES 1218+28.5, MITG J122132+2814, WB 1219+2830, ZEH2003 RX J1221.5+2814 2, 0FGL J1221.7+2814, NRAO 1219+28, WISE J122131.68+281358.4, AAVSO 1216+28, 1FGL J1221.5+2814, NVSS J122131+281358, WISE J122131.69+281358.5, 2FGL J1221.4+2814, OHIO N 231, 2XMM J122131.6+281358

W Comae Berenices är en variabel aktiv galax^[2] i stjärnbilden Berenikes hår. Den fick variabeldesignation åsatt innan det stod klart att den var en blazar. Därför finns den också listad bland stjärnbildens variabla stjärnor.

Objektet har en bolometrisk magnitud som varierar mellan 11,5 och 17,5.^[2]

Referenser redigera

Noter redigera

^ [a b] ”Basic data: V* 7C 1219+2830 – BL Lac-type object” (på engelska). Centre de Données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=W+Com&submit=SIMBAD+search. Läst 13 maj 2017.
^ [a b c d] ”W Com” (på engelska). The International Variable Star Index. AAVSO – American Association of Variable Star Observers. http://www.aavso.org/vsx/index.php?view=detail.top&oid=9608. Läst 13 maj 2017.

[SIMBAD-1] [a b] ”Basic data: V* 7C 1219+2830 – BL Lac-type object” (på engelska). Centre de Données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=W+Com&submit=SIMBAD+search. Läst 13 maj 2017.

[magnitud-2] [a b c d] ”W Com” (på engelska). The International Variable Star Index. AAVSO – American Association of Variable Star Observers. http://www.aavso.org/vsx/index.php?view=detail.top&oid=9608. Läst 13 maj 2017.

[2]

[1]

Observationsdata Epok: J2000.0
W Comae Berenices
Rektascension	12^t 21^m 31,69^s
Deklination	+28° 13′ 58,50″^[1]
Skenbar magnitud ( $V$ )	+11,5 (maximum), 17,5 (minimum)^[2] Berenikes hår
Stjärntyp
Variabeltyp	Blazar (BL LAC)^[2]
Astrometri
Radialhastighet ( $R_{v}$ )	29266 ± 48 km/s
Andra beteckningar
7C 1219+2830, 3FGL J1221.4+2814, QSO B1219+28, ATZ98 D115, 1AGL J1222+2851, 1FHL J1221.6+2814, QSO B1219+285, CRJ2004 J1221.5+2813, AN 10.1916, FIRST J122131.6+281358, RGB J1221+282, DGT2001 B1219+285, B2 1219+28, GB6 B1219+2830, RGB J1221.5+2813, GGR94 1219+285, B2.2 1219+28, 87GB 121900.8+283039, RORF 1219+285, HB93 1219+285, BWE 1219+2830, GeV J1222+2837, RX J1221.5+2814, IN88 1219+285, CAIRNS J122131.69+281358.5, ICRF J122131.6+281358, RX J1221.5+2813, MGL2009 BZB J1221+2813, CGRaBS J1221+2813, IERS B1219+285, 1RXS J122131.1+281402, P82 1219+285, CLASS J122131.6935+281358.496, INTREF 489, S3 1219+28, VV2000b J122131.7+281358, 2E 2673, IVS B1219+285, SDSS J122131.69+281358.4, VV2003b J122131.7+281358, 2E 1219.0+2830, JVAS J1221+2813, TXS 1219+285, VV2006b J122131.7+281358, 2EG J1222+2821, JVAS B1219+285, VV2010b J122131.7+281358, 3EG J1222+2841, LINEAR 3472523, VIPS J12215+2813, VV98b J122131.7+281358, EGR J1222+2845, MASIV J1221+2813, VIPS 550, VYP98 1219+285, 2EGS J1222+2821, 2MASS J12213168+2813585, VRO 28.12.02, W72 1219+28, 1ES 1218+28.5, MITG J122132+2814, WB 1219+2830, ZEH2003 RX J1221.5+2814 2, 0FGL J1221.7+2814, NRAO 1219+28, WISE J122131.68+281358.4, AAVSO 1216+28, 1FGL J1221.5+2814, NVSS J122131+281358, WISE J122131.69+281358.5, 2FGL J1221.4+2814, OHIO N 231, 2XMM J122131.6+281358^[1]