UPSA Object Registry
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QSO B1642+398

QSO SIMBAD QSO 18 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
16h 44m 06.70s
Declination
+39° 45′ 05.2″
Galactic l, b
63.396, 40.73
Magnitude V
20.5
Parallax
0.3412 mas
Redshift z
2.187
Radial velocity
2.4605e+05 km/s
Proper motion
-0.002, -0.213 mas/yr

Also known as

17 identifiers

[A97] J164406.7+394505[CC87] 1642.4+398[CR82] 1642.4+398Gaia DR2 1355731715750405760Gaia DR3 1355731715750405760[HB93] 1642+398QSO B1642+398QSO B1642.4+3950SDSS J164406.69+394505.1SDSS J164406.69+394505.2[VV96] J164406.7+394505[VV98] J164406.7+394505[CCS88] 1642.4+3950[VV2000] J164406.7+394505[VV2003] J164406.7+394505[VV2006] J164406.7+394505[VV2010] J164406.7+394505

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
Z 224-97 EmissionG 142.4″
QSO B1642.0+3947 QSO 328.8″ 20.6
ZTF J164408.12+395300.1 RRLyrae 475.2″ 17.47
ATO J251.1007+39.6278 RRLyrae 488.4″
SDSS J164336.70+395100.7 QSO 495.8″
NGC 6212 Seyfert1 539.8″

Provenance

where this card came from
ArchiveRead at (UTC)Record
Seeded from the bulk archive load; no per-object fetch yet.

Machine-readable: /api/v1/object/qso-b1642-398 · Registry entry updated 2026-08-14.