Registry · deep sky

EM* LkHA 257

Ae* SIMBAD Ae* B5/A2e 66 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 54m 18.78s
Declination: +47° 12′ 09.7″
Galactic l, b: 94.465, -5.642
Magnitude V: 13.16
Parallax: 1.2482 mas
Proper motion: -2.682, -2.401 mas/yr

Also known as

20 identifiers

2MASS J21541877+4712096EM* LkHA 257Gaia DR2 1976042404824692736Gaia DR3 1976042404824692736GEN# +3.51460076GEN# +6.20038257HBC 312IC 5146 76IRAS 21523+4657JP11 5305[KW97] 60-26NSV 13953SSTgbs J2154187+471209SSTgbs J21541877+4712097TIC 455573060UBV M 39372[BNM2013] 41.04 11CSI+46-21524[GMM2009] IC5146 147[HHJ2008] 132

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
ZTF J215408.79+471357.5	OrionV*	148.2″	—
2MASS J21541257+4714353	YSO	158.7″	—
TYC 3608-775-1	Star	211.9″	10.28
2MASS J21540145+4714219	YSO	220.6″	—
HIP 108087	Star	245.5″	10.81
HD 208362	SB*	250.1″	7.45
2MASS J21540871+4707548	Star	274.7″	—
SDSS J215417.64+470731.5	WhiteDwarf	278.4″	—
ZTF J215350.18+471039.0	RSCVnV*	305.2″	—
UCAC4 686-111028	Star	325.7″	—
2MASS J21534523+4712351	YSO Candidate	342.7″	13.89

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/em-lkha-257 · Registry entry updated 2026-08-14.