Smethells 21

Query : Smethells 21

Basic data :
Smethells 21 -- Long-Period Variable
Other object types: otypes_help 		* (GEN#,Smethells,...), LP* (2022yCat), NIR (2MASS)
ICRS coord. (ep=J2000) : 		18 49 28.2848855112 -62 01 50.084395932 (Optical) [ 0.0153 0.0160 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		18 44 51.1721021153 -62 05 14.836410919 [ 0.0153 0.0160 90 ]
Gal coord. (ep=J2000) : 		333.6953085483826 -23.5245844430971 [ 0.0153 0.0160 90 ]
Proper motions mas/yr : 		-2.107 -0.849 [0.019 0.016 90] A 2020yCat.1350....0G
Parallaxes (mas): 		0.17 [0.0233] A 2020yCat.1350....0G
Spectral type: 		M2V C 1974PhDT........10S
Fluxes (8) :
B 12.14 [~] D 1982MNRAS.201...51R
V 10.70 [~] D 1982MNRAS.201...51R
R 9.73 [~] D 1982MNRAS.201...51R
G 11.968271 [0.006393] C 2020yCat.1350....0G
I 8.68 [~] D 1982MNRAS.201...51R
J 8.844 [0.029] C 2003yCat.2246....0C
H 7.974 [0.046] C 2003yCat.2246....0C
K 7.639 [0.027] C 2003yCat.2246....0C
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Identifiers (8) :
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2MASS J18492828-6201501 Smethells 21 UCAC3 56-417903 Gaia DR2 6631769086616826368
GEN# +6.20145021 TIC 464444975 USNO-B1.0 0279-00873844 Gaia DR3 6631769086616826368

References (4 between 1850 and 2026) (Total 4)
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

Var : 1    Plx : 2    PM : 2    SpT : 1   

   

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2MASS J18492828-6201501 UCAC3 56-417903 USNO-B1.0 0279-00873844 Gaia DR2 6631769086616826368 Gaia DR3 6631769086616826368

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