Registry · deep sky

V* V490 Cep

HighMassXBin SIMBAD HXB B1-B2Ve 189 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: 21h 39m 30.69s
Declination: +56° 59′ 10.4″
Galactic l, b: 99.012, 3.313
Magnitude V: 14.44
Parallax: 0.1048 mas
Proper motion: -2.964, -2.204 mas/yr

Also known as

24 identifiers

1H 2138+5791WGA J2139.4+56592CXO J213930.6+5659102MASS J21393068+56591042SXPS J213930.6+5659083A 2129+5714U 2135+57AAVSO 2136+56Cl* IC 1396 SBZ 2-75Cl* Trumpler 37 KUN 193Cl* Trumpler 37 MVA 1488Gaia DR2 2178178409188167296Gaia DR3 2178178409188167296Ginga 2137+57Ginga 2138+56HBHA 5704-07[KW97] 58-53PBC J2139.3+5659TIC 341320747UCAC4 735-076954V* V490 CepWISE J213930.68+565910.4X Cep X-4[NSW2012] 340

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
Cl* Trumpler 37 KUN 327	YSO	69.53″	12.39
Cl Trumpler 37 177	Star	108.8″	11.89
Gaia DR3 2178177172231125760	WhiteDwarf	237.8″	—
HD 239725	Star	249.3″	9.15
[BVD2011] 79	OrionV*	252.7″	—
ZTF J213946.42+570507.2	OrionV*	379.2″	17.26
ZTF J213903.37+570450.7	YSO	406.8″	—
[BVD2011] 81	OrionV*	440.4″	—
CGCS 5403	LongPeriodV*	485.3″	—
HD 206183	Star	528.4″	7.41

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/v-v490-cep · Registry entry updated 2026-08-14.