Registry · deep sky

RLP 644

SB* SIMBAD SB* B2V+B3V 21 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: 20h 32m 42.89s
Declination: +41° 20′ 16.5″
Galactic l, b: 80.183, 0.8825
Magnitude V: 13.87
Parallax: 0.549 mas
Redshift z: 4.070e-05
Radial velocity: 12.2 km/s
Proper motion: -2.42, -4.295 mas/yr

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
2MASS J20324580+4121083	Star	61.42″	15.91
2MASS J20323576+4120103	Star	80.57″	—
Schulte 33	Star	154.2″	15.81
2MASS J20325218+4118160	Star	159.4″	—
Schulte 34	Star	163.1″	14.78
RLP 492	SB*	181.2″	13.08
TYC 3161-1256-1	Star	187.4″	11.38
2MASS J20323413+4122560	Star	187.6″	15.45
RLP 631	SB*	194.9″	14.15
2MASS J20323233+4122578	Star	200.5″	14.68
2MASS J20325933+4121379	YSO Candidate	202.1″	15.42

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/rlp-644 · Registry entry updated 2026-08-14.