HD 191721

Query : HD 191721

Basic data :
HD 191721 -- Double or Multiple Star
Other object types: otypes_help 		* (2022AJ,HD,...), ** (**,WDS), HS? (2019A&A), blu (2019A&A), UV (TD1), NIR (2MASS)
ICRS coord. (ep=J2000) : 		20 10 45.1483747752 +20 29 12.679560564 (Optical) [ 0.2963 0.2520 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		20 08 32.3621808598 +20 20 15.966940571 [ 0.2963 0.2520 90 ]
Gal coord. (ep=J2000) : 		060.3115284339560 -07.0771936584918 [ 0.2963 0.2520 90 ]
Proper motions mas/yr : 		-0.942 -9.204 [0.427 0.346 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) 26.556601 [0.188886] / z(spectroscopic) 0.000089 [0.000001] / cz 26.56 [0.19]
   (NIR) A 2020AJ....160..120J
Parallaxes (mas): 		3.192 [0.4337] A 2020yCat.1350....0G
Spectral type: 		B8V D ~
Angular size (arcmin): 		0.0050 0.0 235 (Opt) D 2001AJ....122.3466M
Fluxes (6) :
B 7.37 [0.01] D 2000A&A...355L..27H
V 7.45 [0.01] D 2000A&A...355L..27H
G 7.511336 [0.003900] C 2020yCat.1350....0G
J 7.599 [0.044] C 2003yCat.2246....0C
H 7.670 [0.055] C 2003yCat.2246....0C
K 7.674 [0.031] C 2003yCat.2246....0C
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Identifiers (20) :
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HD 191721 GSC 01626-00634 SAO 88299 WDS J20108+2029AB
** HDS 2875 HIC 99421 SKY# 37978 YZ 0 1145
AG+20 2213 HIP 99421 TD1 26186 YZ 20 7528
AP J20104513+2029125 2MASS J20104513+2029125 TIC 395530534 Gaia DR2 1828813777784480128
BD+20 4461 PPM 110578 TYC 1626-634-1 Gaia DR3 1828813777787323264

References (17 between 1850 and 2026) (Total 17)
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 : 1    Rot : 1    Fe/H : 1    Plx : 4    PM : 5    SpT : 1   

   

External archives :

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

Link by name to the catalogue in VizieR :

HD 191721 AG+20 2213 AP J20104513+2029125 BD+20 4461 GSC 01626-00634
HIC 99421 HIP 99421 2MASS J20104513+2029125 PPM 110578 SAO 88299
TD1 26186 TYC 1626-634-1 WDS J20108+2029AB Gaia DR2 1828813777784480128 Gaia DR3 1828813777787323264

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