Registry · deep sky

RX J2039.3+5219

BLLac SIMBAD BLL 85 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 39m 23.52s
Declination: +52° 19′ 50.0″
Galactic l, b: 89.693, 6.553
Magnitude V: 19
Redshift z: 0.054
Radial velocity: 15,752 km/s
Proper motion: -0.021, -0.231 mas/yr
Angular size: 0.32′ × 0.237′

Also known as

35 identifiers

1ES 2037+52.11RXS J203923.4+5219582E 2037.9+52092E 44052FGL J2039.6+52182MASS J20392353+52195012MASX J20392354+52194983FGL J2039.5+52173FHL J2039.4+52193HSP J203923.5+5219504FGL J2039.5+5218BWE 2037+5209FL8Y J2039.5+5218Gaia DR3 2180843075613856128GB6 B2037+5209LEDA 5061279NVSS J203923+521950QSO B2037+521RGB J2039+523RX J2039.3+5219TeV J2039+523TGSSADR J203922.9+521952TIC 416582146WISE J203923.52+521950.2WISEA J203923.51+521950.1WN B2037.9+5209[BSF97] J203923.50+521949.9[DGT2001] J2039+523[MGL2009] BZB J2039+5219[MML2015] 5BZB J2039+5219[VV2000b] J203923.5+521950[VV2003b] J203923.5+521950[VV2006b] J203923.5+521950[VV2010b] J203923.5+521950[VV98b] J203923.5+521950

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
ATO J309.6982+52.4021	EclBin	418″	—

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/rx-j2039-3-5219 · Registry entry updated 2026-08-14.