Registry · deep sky

HD 161840

Star SIMBAD * B8Ib/II 65 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: 17h 49m 10.48s
Declination: −31° 42′ 11.5″
Galactic l, b: 358.03, -2.088
Magnitude V: 4.797
Parallax: 5.8527 mas
Redshift z: -4.436e-05
Radial velocity: -13.3 km/s
Proper motion: 5.506, -9.468 mas/yr

Also known as

30 identifiers

2MASS J17491048-3142117[B10] 4498CD-31 14609CPC 17 9472CPD-31 4995Gaia DR2 4055612002737545216Gaia DR3 4055612002737545216GC 24176GCRV 10301GEN# +1.00161840GSC 07377-01056HD 161840HIC 87220HIP 87220HR 6628PPM 296839ROT 2491SAO 209303[SC95] M 72[SC96] GC 186[SC96] Mis 701SKY# 32230SRS 43771TD1 21000TIC 114135190TYC 7377-1056-1UBV 15144UBV M 22405uvby98 100161840WEB 14715

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
OGLE BLG535.32 14653	RVTauV*	309.3″	—
2FGL J1749.7-3134c	gamma	342.7″	—
OGLE BLG-T2CEP-738	RVTauV*	343.9″	—
OGLE BLG-ECL-123685	EclBin	449.2″	18.46
OGLE BLG-T2CEP-744	Type2Cep	464.7″	—

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/hd-161840 · Registry entry updated 2026-08-14.