Registry · deep sky

ATO J278.3657-10.5901

HighMassXBin SIMBAD HXB B0.5Ve 28 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 33m 27.77s
Declination: −10° 35′ 24.4″
Galactic l, b: 21.471, -0.8742
Magnitude V: 11.9
Parallax: 1.0774 mas
Proper motion: 0.937, -0.605 mas/yr

Also known as

12 identifiers

1XMM J183327.7-1035232MASS J18332777-10352432XMM J183327.7-1035233XMM J183327.7-103524ALS 20350ATO J278.3657-10.5901Gaia DR2 4155000844481174656Gaia DR3 4155000844481174656SS 397SSTGLMC G021.4706-00.8743TIC 217831925USNO-B1.0 0794-00410181

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
SNR G021.5-00.9	SNRemnant	115.4″	—
RFS 324	HIIReg	120.5″	—
ATO J278.3414-10.6407	EclBin	201.5″	—
GES J18332325-1030460	Star	286.2″	—
GES J18332485-1030345	Star	293″	—
2MASS J18330703-1035390	LongPeriodV* Candidate	306.1″	—
GES J18331629-1030423	Star	328.9″	—
GES J18332606-1029562	Star	329″	—
GES J18332359-1029521	EclBin	337.9″	—
GES J18332010-1029295	Star	372.4″	—
GES J18332544-1029003	Star	385.5″	—

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/ato-j278-3657-10-5901 · Registry entry updated 2026-08-14.