Registry · deep sky

HD 207840

Star SIMBAD * B8III 73 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 51m 34.25s
Declination: +19° 49′ 36.1″
Galactic l, b: 75.252, -25.96
Magnitude V: 5.768
Parallax: 6.3737 mas
Redshift z: -6.804e-05
Radial velocity: -20.4 km/s
Proper motion: 20.92, 13.63 mas/yr

Also known as

32 identifiers

2MASS J21513424+1949361ADS 15383 AAG+19 2248ALS 16470BD+19 4797BD+19 4797ACCDM J21516+1950ACSI+19 4797 1Gaia DR2 1780482957460615040Gaia DR3 1780482957460615040GC 30594GCRV 13728GEN# +1.00207840AGSC 01674-00925HD 207840HIC 107887HIP 107887HR 8348IDS 21469+1921 APPM 140729Renson 57780SAO 107445SKY# 41649TD1 28528TIC 257953417TYC 1674-925-1UBV 18722UBV M 25970uvby98 100207840 AWDS J21516+1950AWEB 19452YZ 19 8916

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
SDSS J215136.93+194606.0	QSO	213.5″	—
SDSS J215112.21+194845.2	QSO	315.1″	—
SDSS J215149.09+194349.6	QSO	404.8″	—

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-207840 · Registry entry updated 2026-08-14.