DR 21

Query : DR 21

Basic data :
DR 21 -- Star Forming Region
Other object types: otypes_help 		Rad (DR,ECX6,...), HII ([WAM82],[WWB83]), SFR (2014MNRAS), UV (GALEX), IR (RAFGL)
ICRS coord. (ep=J2000) : 		20 39 01.6 +42 19 38 (Radio) [ 4145 3000 90 ] D 1991A&A...241..551W
FK4 coord. (ep=B1950 eq=1950) : 		20 37 14.6 +42 09 00 [ 4145 3000 90 ]
Gal coord. (ep=J2000) : 		081.6807 +00.5374 [ 4145 3000 90 ]
Spectral type: 		O4.5 D ~
Angular size (arcmin): 		2.2 2.2 90 (Rad) D 2006ApJ...653.1226Q
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Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 195 		Display criteria :

Identifiers (18) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

DR 21 GAL 081.68+00.54 RAFGL 2624 [WM90] W 75 CO 4
ECX6-31 GAL 081.681+00.54 W 1e [WM90] W 75 NH3 2
GALEX J232349.9+451654 GRS G081.70 +00.50 [KCW94] 081.683+00.541 [WWB83] G081.68+0.54
GALEX J232349.8+451653 18P 78 [W70] G81.7+0.5
GAL 081.7+00.5 36P 19 [WAM82] 081.68+0.54

References (1121 between 1850 and 2026) (Total 1121)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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Collections of Measurements Description of Measurements

Distance : 1   

   

Observing logs
Herschel : 31    ISO : 31   

   

External archives :

Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Link by name to the catalogue in VizieR :

GALEX J232349.9+451654 GALEX J232349.8+451653 RAFGL 2624

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Annotations :
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