Registry · deep sky

Z 495-18

Seyfert1 SIMBAD Sy1 755 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: 22h 42m 39.34s
Declination: +29° 43′ 31.3″
Galactic l, b: 92.138, -25.34
Magnitude V: 14.16
Redshift z: 0.024285
Radial velocity: 7,192.1 km/s
Proper motion: 0.079, -0.075 mas/yr
Angular size: 0.7193′ × 0.5864′

Also known as

46 identifiers

1ES 2240+29.41RXS J224239.6+2943332MASS J22423934+29433122MASX J22423930+29433152XMM J224239.3+294331Anon 2240+29Ark 564B2 2240+29 BB2.1 2240+29 BCLU J224239.36+294331.4[DC78] UGC 12163Gaia DR2 1887923557236863104Gaia DR3 1887923557236863104[HB91] 2240+294INTREF 1087IRAS 22403+2927IRAS F22402+2927LEDA 69553NVSS J224239+294333PSCz Q22403+2927QSO J2242+2943RX J224239+29436RX J2242.6+2943SDSS J224239.33+294331.2TGSSADR J224239.3+294331TIC 118047990UGC 12163UZC J224239.4+294330WISE J224239.34+294331.3WISEA J224239.34+294331.3WN B2240.3+2927XSS J22423+2958Z 2240.3+2928Z 495-18[CHM2007] HDC 1202 J224239.30+2943315[CHM2007] LDC 1533 J224239.30+2943315[DML87] 540[FS2003] 1172[HSN2016] J340.66+29.72[HVG99b] 22403+2928MCG+05-53-012[VV2000c] J224239.3+294332[VV2003c] J224239.3+294332[VV2006c] J224239.3+294332[VV2010c] J224239.3+294332[VV98c] J224239.3+294332

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
HD 215126	**	64.38″	8.96
BD+28 4440	Star	134.6″	8.96
SDSS J224218.39+294730.6	QSO	362.9″	—
SDSS J224251.04+293647.0	QSO	432″	—

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/z-495-18 · Registry entry updated 2026-08-14.