TWA 20

Query : TWA 20

Basic data :
TWA 20 -- Orion Variable
Other object types: otypes_help 		* (2014AJ,GSC,...), V* (ASAS,1SWASP), MIR (WISEA,WISE), Or* (2023A&A), Y*? (2018A&A), PM* (2018yCat), Ro* (2012AcA), blu (A2), X (1RXS), NIR (2MASS)
ICRS coord. (ep=J2000) : 		12 31 38.0691576600 -45 58 59.457923688 (Optical) [ 0.0167 0.0142 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		12 28 55.4857103480 -45 42 24.667499606 [ 0.0167 0.0142 90 ]
Gal coord. (ep=J2000) : 		299.3414066914572 +16.7504586535117 [ 0.0167 0.0142 90 ]
Proper motions mas/yr : 		-49.682 -20.950 [0.019 0.015 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) 13.07 [9.80] / z(spectroscopic) 0.000044 [0.000033] / cz 13.07 [9.80]
   (Opt) D 2020AJ....160...83S
Parallaxes (mas): 		12.4678 [0.024] A 2020yCat.1350....0G
Spectral type: 		M3IVe C 2016MNRAS.461..794P
Fluxes (7) :
B 14.10 [~] D 2010A&A...520A..15M
V 13.240 [0.129] D 2012AcA....62...67K
G 12.059723 [0.002825] C 2020yCat.1350....0G
I 10.682 [0.026] C 2012AcA....62...67K
J 9.331 [0.030] C 2003yCat.2246....0C
H 8.693 [0.063] C 2003yCat.2246....0C
K 8.412 [0.029] C 2003yCat.2246....0C
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Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 3 : 3390 Display criteria :

Identifiers (14) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

GSC 08231-02642 2MASS J12313807-4558593 TIC 72564426 Gaia DR3 6132146982868270976
A2 146 RAVE J123138.1-455859 TWA 20 Gaia DR2 6132146982868270976
ASAS J123138-4559.0 1RXS J123139.1-455837 WISEA J123138.02-455859.6
ASAS J123139-4558.6 1SWASP J123138.06-455859.3 WISE J123138.03-455859.6

References (58 between 1850 and 2026) (Total 58)
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 : 2    Var : 2    Fe/H : 2    Plx : 2    PM : 2    SpT : 2   

   

External archives :

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

Link by name to the catalogue in VizieR :

GSC 08231-02642 2MASS J12313807-4558593 RAVE J123138.1-455859 1RXS J123139.1-455837 WISEA J123138.02-455859.6
WISE J123138.03-455859.6 Gaia DR3 6132146982868270976 Gaia DR2 6132146982868270976

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