Registry · deep sky

RAFGL 5123

YSO SIMBAD Y*O K3V/M3III 904 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: 04h 31m 34.08s
Declination: +18° 08′ 04.9″
Galactic l, b: 178.93, -20.05
Angular size: 0.867′ × 0.347′

Also known as

34 identifiers

2MASS J04313407+18080492MASX J04313407+1808048AP J04313407+1808049EPIC 210683818GBS-VLA J043134.15+180804.6GBS-VLA J043134.16+180804.6HBC 393HH 154IRAS 04287+1801JCMTSE J043134.1+180802JCMTSF J043134.1+180802** LOO 6RAFGL 5123[SB86] L1551 1SSV LDN 1551 5TIC 10001840386TIC 353752589WDS J04316+1808ABWISE J043134.12+180804.9WISE J043134.13+180804.8XEST 22-040XMMU J043134.0+180806AKARI-IRC-V1 J0431341+180804[BFR2003] 31[FGM2003] 26[FGM2003] S20[GBA2007] 1316[GMM2009] Tau L1551 1[GRL2000] 12L1551 IRS 5LDN 1551 IRS 5LDN 1551 IRS 5 3rd ComponentLDN 1551 IRS 5 third[SFJ2010] Tau-1

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
LDN 1551S	DarkNeb	10.41″	—
2MASS J04312927+1808498	HighPM*	81.89″	16.06
LDN 1551B	DarkNeb	103.3″	—
HH 260	HerbigHaroObj	123.4″	—
HH 454A	HerbigHaroObj	123.7″	—
HH 454	HerbigHaroObj	123.9″	—
HH 29	HerbigHaroObj	133.6″	—
LDN 1551C	DarkNeb	134″	—
2MASS J04314444+1808315	YSO	150.2″	—
[MPB2000b] A	Radio	150.6″	—
HH 263	HerbigHaroObj	153.4″	—

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/rafgl-5123 · Registry entry updated 2026-08-14.