Registry · deep sky

HD 204121

HighPM* SIMBAD PM* F5V 98 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 26m 28.05s
Declination: +01° 06′ 12.1″
Galactic l, b: 54.14, -33.25
Parallax: 21.278 mas
Redshift z: 4.637e-05
Radial velocity: 13.9 km/s
Proper motion: 110.1, -162.1 mas/yr

Also known as

36 identifiers

1RXS J212628.5+0106202MASS J21262805+0106118AG+00 2689ASCC 1173189BD+00 4726FK5 3711Gaia DR1 2691084670673622784Gaia DR2 2691084468810926592Gaia DR3 2691084468810926592GC 30022GCRV 13483GEN# +1.00204121GSC 00529-01510HD 204121HIC 105864HIP 105864HR 8205IRAS 21239+0053LSPM J2126+0106PLX 5161PLX 5161.00PPM 171745ROT 3122RX J2126.4+0106SAO 126794SKY# 40868TD1 28090TIC 352568874TYC 529-1510-1UBV 18489UBV M 25708uvby98 100204121WEB 19200YZ 0 5454USNO-B1.0 0911-00536374[ZEH2003] RX J2126.4+0106 1

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
SDSS J212614.85+010701.0	QSO	204″	—
SDSS J212633.58+010214.8	QSO	251.4″	—
2MASS J21263217+0101102	RGB*	308.1″	—
SDSS J212641.37+005959.1	QSO	423.2″	—
SDSS J212630.35+005900.4	QSO	433″	—
SDSS J212617.18+005922.8	QSO	440.5″	—
SDSS J212558.21+010514.6	QSO	451.2″	—
PHL 4	HotSubdwarf	469.3″	14.1
SDSS J212612.98+011355.4	QSO	515.5″	—
SDSS J212553.04+010549.5	QSO	525.6″	—

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-204121 · Registry entry updated 2026-08-14.