CD-30 17706

Query : CD-30 17706

Basic data :
CD-30 17706 -- White Dwarf
Other object types: otypes_help 		* (2013MNRAS,CD,...), WD* (2012MNRAS,WD), PM* (2016ApJS,LTT,...), WD? (2018MNRAS), NIR (2MASS), MIR (WISEA)
ICRS coord. (ep=J2000) : 		20 10 56.8486912016 -30 13 06.627142663 (Optical) [ 0.0256 0.0210 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		20 07 51.4100625465 -30 21 50.567830431 [ 0.0256 0.0210 90 ]
Gal coord. (ep=J2000) : 		011.8078960138143 -29.4049910126517 [ 0.0256 0.0210 90 ]
Proper motions mas/yr : 		-340.866 -249.423 [0.031 0.022 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) 73.6 [0.5] / z(spectroscopic) 0.000246 [0.000002] / cz 73.61 [0.50]
   (Opt) A 2020A&A...638A.131N
Parallaxes (mas): 		61.6935 [0.0323] A 2020yCat.1350....0G
Spectral type: 		DA3.1 C 2011ApJ...743..138G
Fluxes (9) :
U 11.654 [~] C 2010MNRAS.403.1949K
B 12.286 [~] C 2010MNRAS.403.1949K
V 12.242 [~] C 2010MNRAS.403.1949K
R 12.311 [~] C 2010MNRAS.403.1949K
G 12.258787 [0.002787] C 2020yCat.1350....0G
I 12.381 [~] C 2010MNRAS.403.1949K
J 12.583 [0.024] C 2003yCat.2246....0C
H 12.641 [0.027] C 2003yCat.2246....0C
K 12.698 [0.032] C 2003yCat.2246....0C
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Identifiers (19) :
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CD-30 17706 HIP 99438 NLTT 48829 WD 2007-303
CNS5 5006 L 565-18 TIC 48938394 WISEA J201056.57-301309.2
EC 20078-3022 LP 926-40 TYC 7441-1025-1 Gaia DR2 6749419923164242816
GJ 2147 LTT 7987 UCAC2 19292099 Gaia DR3 6749419923164242816
HIC 99438 2MASS J20105686-3013064 USNO-B1.0 0597-00910820

References (267 between 1850 and 2026) (Total 267)
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

Velocities : 2    Distance : 5    Rot : 1    Fe/H : 7    Plx : 4    PM : 6    SpT : 6   

   

Observing logs
ISO : 2    IUE : 2   

   

External archives :

Link by name to the catalogue in VizieR :

CD-30 17706 GJ 2147 HIC 99438 HIP 99438 2MASS J20105686-3013064
NLTT 48829 TYC 7441-1025-1 UCAC2 19292099 USNO-B1.0 0597-00910820 WD 2007-303
WISEA J201056.57-301309.2 Gaia DR2 6749419923164242816 Gaia DR3 6749419923164242816

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