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3C 345

Blazar SIMBAD Bla 1,825 papers

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Right ascension: 16h 42m 58.81s
Declination: +39° 48′ 37.0″
Galactic l, b: 63.455, 40.95
Magnitude V: 16.59
Parallax: 0.1854 mas
Redshift z: 0.59281
Radial velocity: 1.3028e+05 km/s
Proper motion: -0.478, -0.36 mas/yr

Also known as

138 identifiers

0FGL J1641.4+39391ES 1641+39.91FGL J1642.5+39471Jy 1641+391Jy 1641+3991RXS J164258.9+3948221WGA J1642.9+39482E 1641.2+39542E 37522FGL J1642.9+39492MASS J16425879+39483692MASSI J1642587+3948373C 3453C 345.03CR 3453FGL J1642.9+39503FHL J1642.9+39484C 39.484FGL J1642.9+39486C 164118+3954147C 164117.60+395412.0087GB 164117.2+3954059Y-MST J1642+3949[A97] J164258.8+394837AAVSO 1639+40B2 1641+39B2.3 1641+39B3 1641+399BWE 1641+3954CGRaBS J1642+3948CJF B1641+399CLASS J164258.8070+394836.993CRATES J164258+394842CTA 74DA 420EF B1641+3954EGR J1642+3940F2M J164258.80+394837.2FBQS J1642+3948FBS 1641+399FBS B 141FIRST J164258.7+394837FL8Y J1642.9+3948Gaia DR1 1355746696601015040Gaia DR2 1355746700891999360Gaia DR3 1355746700891999360GB6 B1641+3954GB6 J1642+3948[HB93] 1641+399AICRF J164258.8+394836IERS B1641+399ILT J164258.70+394837.4IRAS 16413+3954AIRAS F16413+3954IVS B1641+399JCMTSE J164258.7+394835JCMTSF J164258.7+394835JVAS B1641+399JVAS J1642+3948JVAS J1642+398LEDA 84767LHE 413MASIV J1642+3948MITG J1642+3948MITG J164259+3948MY 164118.4+394836.7NEWPS5 J1642+3948NRAO 513NVSS J164258+394837OHIO S 368[P82] 1641+399PBC J1643.0+3951PCCS1 030 G063.46+40.96PCCS2 143 G063.45+40.94[PD95] 9PKS 1641+399PSCz Q16413+3954QSO B1641+3954QSO B1641+399QSO B1641+399AQSO J1642+3948RBPL J1642+3948RBS 1603RFC J1642+3948RGB J1642+398RGB J1643.0+3948RORF 1641+399RX J164258+39485RX J164258.8+394837RX J1642.9+3948S4 1641+39S4 1641+399[S77] 338SDSS J164258.80+394836.9SDSS J164258.80+394837.0SDSS J164258.81+394836.9SWIFT J1643.1+3951TGSSADR J164258.7+394837TIC 57191769TXS 1641+399UT 1641+399VCS1 J1642+3948VLSS J1642.9+3948VLSSr J164259.1+394837VSOP J1642+3948[VV96] J164258.8+394837[VV98] J164258.8+394837WB 1641+3954WISE J164258.82+394837.0WISEA J164258.81+394836.9WMAP 35WMAP J1642+3948WN B1641.2+3954ZTF J164258.80+394837.0[BDW2002] q1641+3954[CAB95] IRAS F16413+3954[CCS88] 1641.3+3954[CGL99] 17[DGT2001] J1641+399[DML87] 420[GW2008] CoNFIG 259Her B[KB2007] J164258.8+394836.9[MGL2009] BZQ J1642+3948[MML2015] 5BZQ J1642+3948[PGB2011] J1642+3948[SRC2012b] J1642+3948[SRM2005] J164258.80+394836.9[UCP83] 3C 345 C4[UCP83] 3C 345 C7[VV2000] J164258.8+394837[VV2003] J164258.8+394837[VV2006] J164258.8+394837[VV2010] J164258.8+394837[VYP98] 1641+399[WCO2009] J164256+394844[WTW94] 1641+399A[ZEH2003] RX J1642.9+3948 1

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
UCAC4 650-056580	Star	68.43″	15.29
UCAC4 650-056582	Star	95.26″	15.3
QSO B1641+3959	QSO	212.3″	20.01
NGC 6212	Seyfert1	280.7″	—
V* V448 Her	RRLyrae	339.9″	13.55
LEDA 2154604	Galaxy	343.6″	—
QSO B1641+3956	QSO	367″	19.06
QSO B1641+398	QSO	381.6″	20.82
QSO B1641+3958	QSO	419.6″	18.32
QSO B1640+398	QSO	456.2″	18.85
SDSS J164336.70+395100.7	QSO	459.6″	—

Provenance

where this card came from

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Machine-readable: /api/v1/object/3c-345 · Registry entry updated 2026-08-14.