HD 170991

Query : HD 170991

Basic data :
HD 170991 -- Star
Other object types: otypes_help 		* (HD,BD,...), NIR (2MASS), IR (IRAS)
ICRS coord. (ep=J2000) : 		18 33 02.0241022080 -16 33 36.682138116 (Optical) [ 0.0189 0.0167 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		18 30 08.5255027468 -16 35 54.396761094 [ 0.0189 0.0167 90 ]
Gal coord. (ep=J2000) : 		016.1173546825396 -03.5279047498854 [ 0.0189 0.0167 90 ]
Proper motions mas/yr : 		3.372 0.196 [0.023 0.018 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) -16.60 [0.16] / z(spectroscopic) -0.000055 [0.000001] / cz -16.60 [0.16]
   (Opt) A 2018yCat.1345....0G
Parallaxes (mas): 		2.1666 [0.0209] A 2020yCat.1350....0G
Spectral type: 		K0/1II/III E 1988MSS...C04....0H
Fluxes (6) :
B 8.41 [~] E ~
V 6.98 [~] E ~
G 6.443842 [0.002765] C 2020yCat.1350....0G
J 4.808 [0.294] D 2003yCat.2246....0C
H 3.938 [0.248] D 2003yCat.2246....0C
K 3.849 [0.246] D 2003yCat.2246....0C
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Identifiers (18) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

HD 170991 HIP 90939 SKY# 33949 Gaia DR2 4102805103454380544
BD-16 4922 IRAS 18301-1635 TIC 433048343 Gaia DR3 4102805103454380544
GEN# +1.00170991 2MASS J18330202-1633367 TYC 6267-762-1 Gaia DR1 4102805099064498688
GSC 06267-00762 PPM 234690 UBV M 23033
HIC 90939 SAO 161590 YZ 106 6812

References (13 between 1850 and 2026) (Total 13)
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    Plx : 5    PM : 4    SpT : 2   

   

External archives :

Data at NED - NASA/IPAC Extragalactic Database : HD 170991

Link by name to the catalogue in VizieR :

HD 170991 BD-16 4922 GSC 06267-00762 HIC 90939 HIP 90939
IRAS 18301-1635 2MASS J18330202-1633367 PPM 234690 SAO 161590 TYC 6267-762-1
Gaia DR2 4102805103454380544 Gaia DR3 4102805103454380544 Gaia DR1 4102805099064498688

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