UPSA Object Registry
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Hoag's Object

Galaxy SIMBAD G 57 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 17m 14.41s
Declination
+21° 35′ 07.9″
Galactic l, b
31.518, 56.45
Magnitude V
15.1
Redshift z
0.04242
Radial velocity
12,448 km/s
Angular size
0.3424′ × 0.3176′

Also known as

11 identifiers

2MASS J15171440+2135078AGC 250437Anon 1515+2146Gaia DR2 1214955817502973568Gaia DR3 1214955817502973568LEDA 54559PRC D-51SDSS J151714.40+213507.8TIC 355734269Hoag ObjectHoag's Object

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
LEDA 3843622 Galaxy 266.3″ —
SDSS J151732.97+213229.9 QSO 303.3″ —
SDSS J151653.06+213049.2 QSO 394.4″ —
SDSS J151716.78+212633.1 QSO 515.9″ 20.22

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/hoag-s-object · Registry entry updated 2026-08-14.