Registry · deep sky

HD 171990

HighPM* SIMBAD PM* F8V 96 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: 18h 47m 49.13s
Declination: −77° 52′ 05.7″
Galactic l, b: 316.49, -26.29
Magnitude V: 6.392
Parallax: 23.038 mas
Redshift z: 5.396e-05
Radial velocity: 16.177 km/s
Proper motion: -26.26, 148.7 mas/yr

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
CD-78 845	Star	496.1″	10.38
TYC 9462-1471-1	Star	503″	11.99

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-171990 · Registry entry updated 2026-08-14.