Registry · deep sky

Bol 4

GlobCluster SIMBAD GlC 42 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: 00h 40m 17.92s
Declination: +41° 22′ 40.3″
Galactic l, b: 120.69, -21.45
Magnitude V: 16.95
Redshift z: -0.0012564
Radial velocity: -376.89 km/s
Proper motion: -0.602, 0.255 mas/yr

Also known as

9 identifiers

AP J00401791+4122403AP J00401792+4122402Bol 4Gaia DR2 381234804868065664Gaia DR3 381234804868065664HBK 4-50M31GC J004018+412240SKHB 50[BHB2000] 004-050

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
WSTB 37W56	Radio	154.6″	—
MLA 219	PlanetaryNeb	162″	20.56
Bol 12	GlobCluster	173″	15.17
Bol 244	GlobCluster	263″	18.27
Bol D1	GlobCluster Candidate	264.5″	18.2
M31GC J004031+412627	Galaxy	269.1″	20.93
Bol 13	GlobCluster	282.9″	17.19
[SK98] 122	EclBin	298.4″	13.82
Bol 6	GlobCluster	302.1″	15.74
Bol 16	GlobCluster	308.3″	17.58
GSC 02805-00267	**	357.9″	11.1

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/bol-4 · Registry entry updated 2026-08-14.