Registry · deep sky

QSO J1550+4001

QSO SIMBAD QSO 52 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: 15h 50m 48.30s
Declination: +40° 01′ 44.9″
Galactic l, b: 63.964, 50.94
Magnitude V: 17.3
Redshift z: 0.49653
Radial velocity: 1.1471e+05 km/s
Proper motion: 0.031, 0.061 mas/yr

Also known as

14 identifiers

1RXS J155048.3+4001511WGA J1550.8+40012MASS J15504830+4001449Gaia DR2 1376970195886176128Gaia DR3 1376970195886176128QSO J1550+4001RX J1550.8+4001SDSS J155048.29+400144.8SDSS J155048.29+400144.9TIC 29289308WISEA J155048.30+400144.9[VV2006] J155048.3+400144[VV2010] J155048.3+400144[ZEH2003] RX J1550.8+4001 1

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
[TTW2011] SDSS J1550+4001 197-23	Galaxy	23.3″	—
[TTW2011] SDSS J1550+4001 97-33	Galaxy	32.47″	—
LEDA 2159942	Galaxy	119.9″	—
[VV2006] J155043.5+395934	QSO	141.1″	19.23
LEDA 2160007	Galaxy	214.9″	—
LEDA 2160344	Galaxy	216.7″	—
LEDA 2159873	Galaxy	415.9″	—

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/qso-j1550-4001 · Registry entry updated 2026-08-14.