BYB 18

Query : BYB 18

Basic data :
BYB 18 -- Orion Variable
Other object types: otypes_help 		* (2019AJ,CHSM,...), Y*O (2016A&A,[CCE98]), IR (BYB,ISO), BD* ([LES2004]), Or* (2023A&A), Y*? (2015ApJS), G (ESO), NIR (2MASS), MIR (SSTc2d)
ICRS coord. (ep=J2000) : 		11 04 42.5993270304 -77 41 57.167040408 (Optical) [ 0.0249 0.0258 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		11 03 22.4947516182 -77 25 44.436835519 [ 0.0249 0.0258 90 ]
Gal coord. (ep=J2000) : 		297.2196029560321 -16.0275702675216 [ 0.0249 0.0258 90 ]
Proper motions mas/yr : 		-23.025 1.855 [0.034 0.033 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) 15.520 [0.060] / z(~) 0.000052 [0.000000] / cz 15.52 [0.06]
   (Opt) A 2012ApJ...745..119N
Parallaxes (mas): 		5.2419 [0.03] A 2020yCat.1350....0G
Spectral type: 		M4.5e D 2004A&A...417..583C
Fluxes (5) :
G 15.170342 [0.003383] C 2020yCat.1350....0G
I 13.63 [~] D 2004ApJ...602..816L
J 11.814 [0.027] C 2003yCat.2246....0C
H 11.002 [0.023] C 2003yCat.2246....0C
K 10.642 [0.025] C 2003yCat.2246....0C
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Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 5 : 1175 Display criteria :

Identifiers (12) :
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2MASS J11044258-7741571 ESO-HA 558 SSTgbs J1104425-774157 [LES2004] ChaI 457
BYB 18 ISO-ChaI 52 TIC 454258470 Gaia DR2 5201168944070798848
CHSM 3319 SSTc2d J110442.6-774157 [CCE98] 1-26 Gaia DR3 5201168944070798848

References (63 between 1850 and 2026) (Total 63)
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 : 1    Distance : 2    Rot : 1    Plx : 2    PM : 2    SpT : 2   

   

Observing logs
Herschel : 1   

   

External archives :

Link by name to the catalogue in VizieR :

2MASS J11044258-7741571 Gaia DR2 5201168944070798848 Gaia DR3 5201168944070798848

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Annotations :
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