HD 170742

Query : HD 170742

Basic data :
HD 170742 -- Star
Other object types: otypes_help 		* (HD,BD,...), NIR (2MASS)
ICRS coord. (ep=J2000) : 		18 31 47.7342772728 -18 45 14.629717332 (Optical) [ 0.0163 0.0146 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		18 28 51.4455089148 -18 47 26.563102881 [ 0.0163 0.0146 90 ]
Gal coord. (ep=J2000) : 		014.0271140198564 -04.2703545312925 [ 0.0163 0.0146 90 ]
Proper motions mas/yr : 		-1.741 -6.085 [0.018 0.015 90] A 2020yCat.1350....0G
Parallaxes (mas): 		1.5778 [0.0181] A 2020yCat.1350....0G
Spectral type: 		B6/7IV D 1988MSS...C04....0H
Fluxes (6) :
B 10.8 [~] E ~
V 10.5 [~] E ~
G 10.231380 [0.002770] C 2020yCat.1350....0G
J 9.607 [0.026] C 2003yCat.2246....0C
H 9.495 [0.028] C 2003yCat.2246....0C
K 9.389 [0.023] C 2003yCat.2246....0C
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Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 2 : 4478 Display criteria :

Identifiers (13) :
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HD 170742 GSC 06274-01236 TYC 6274-1236-1 Gaia DR1 4093304631399040640
BD-18 4991 2MASS J18314773-1845145 UBV 15748
Cl* IC 4725 L 48069 PPM 719408 Gaia DR2 4093304631399040640
GEN# +3.47250273 TIC 186639156 Gaia DR3 4093304631399040640

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

Distance : 2    Plx : 3    PM : 2    SpT : 2   

   

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Link by name to the catalogue in VizieR :

HD 170742 BD-18 4991 GSC 06274-01236 2MASS J18314773-1845145 PPM 719408
TYC 6274-1236-1 Gaia DR2 4093304631399040640 Gaia DR3 4093304631399040640 Gaia DR1 4093304631399040640

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