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4C 34.47

Blazar SIMBAD Bla 317 papers

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Right ascension: 17h 23m 20.80s
Declination: +34° 17′ 58.0″
Galactic l, b: 58.126, 32.18
Magnitude V: 15.46
Redshift z: 0.20601
Radial velocity: 55,509 km/s
Proper motion: 0.035, -0.072 mas/yr

Also known as

69 identifiers

1ES 1721+34.31RXS J172320.5+3417562E 1721.5+34202E 38962MASS J17232079+34175792MASSI J1723207+3417582XMM J172320.8+3417584C 34.477C 172130.19+342154.007C 172134.50+341908.0087GB 172131.7+342032B2 1721+34B2.3 1721+34BWE 1721+3420FBQS J1723+3417FIRST J172320.8+341757Gaia DR1 1335705554559394176Gaia DR2 1335705558855738624Gaia DR3 1335705558855738624GB6 B1721+3420GB6 J1723+3417GRA B1721+34GRA J1723+34[GV68] 300[HB93] 1721+343BICRF J172320.7+341757IERS B1721+343IVS B1721+343JVAS J1723+3417LEDA 2820372MITG J172321+3417MITG J172322+3418MY 172132.4+341759.6NVSS J172320+341757OHIO T 336PBC J1723.2+3417QSO B1721+343QSO B1721+343BQSO J1723+3417RBS 1644RGB J1723.3+3417RGB J1723+342RX J1723.3+3417S4 1721+34S4 1721+343SDSS J172320.79+341757.9SRGA J172321.0+341755SWIFT J1723.2+3418SWIFT J1723.4+3418TIC 9824055UT 1721+343VIPS 1078VIPS J17233+3417[VV96] J172320.8+341759[VV98] J172320.8+341759WB 1721+3420WISE J172320.79+341758.0WISE J172320.80+341758.0WN B1721.5+3420[CSC85] 1721.5+3434B[DGT2001] B1721+343[GW2008] CoNFIG 269[OCL83] 1721+343[VV2000] J172320.8+341759[VV2003] J172320.8+341759[VV2006] J172320.8+341759[VV2010] J172320.8+341759[WTW94] 1721+343[ZEH2003] RX J1723.3+3417 2

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
QSO B1721+343A	QSO	59.76″	19.74
SDSS J172336.16+341158.0	BrightestCG	407.2″	—
CSWA 14	GravLensSystem	407.4″	—
ClG J1723+3411	ClG	408.9″	—
[SAB2013] SDSS J1723+3411 source	LensedG	411.1″	—
SDSS J172355.82+342220.9	HotSubdwarf	507.4″	—

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/4c-34-47 · Registry entry updated 2026-08-14.