Registry · deep sky

RX J0909.3+4236

Seyfert1 SIMBAD Sy1 9 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: 09h 09m 23.87s
Declination: +42° 36′ 24.0″
Galactic l, b: 178.72, 42.81
Magnitude V: 18.03
Redshift z: 0.1771
Radial velocity: 48,454 km/s
Angular size: 0.2166′ × 0.138′

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
SDSS J090939.37+423259.7	QSO	266.6″	19.56
[VV2006] J090906.4+423220	QSO	310.7″	18.59
SDSS J090926.65+424228.6	Seyfert1	365.9″	18.56
SDSS J090930.48+422950.7	QSO	400″	—
SDSS J090901.41+423034.5	QSO	428.6″	—
SDSS J091000.91+423304.9	QSO	455″	—
HAT 137-05109	Eruptive*	526.7″	15.26

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/rx-j0909-3-4236 · Registry entry updated 2026-08-14.