HD 157662

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HD 157662
Observation data Epoch J2000 Equinox J2000
Constellation	Ara
Right ascension	17^h 27^m 12.4635^s
Declination	−50° 37′ 49.333″
Apparent magnitude (V)	5.905
Characteristics
Spectral type	B9II
B−V color index	0.08
Astrometry

Radial velocity (R_v)	11 km/s
Proper motion (μ)	RA: 3.04 mas/yr Dec.: -1.93 mas/yr
Parallax (π)	1.95 ± 0.92 mas
Distance	approx. 1,700 ly (approx. 500 pc)
Absolute magnitude (M_V)	5.959

Details

Mass	18 M_☉
Radius	7 R_☉
Luminosity	20,000 L_☉
Temperature	10,000–30,000 K

Other designations
HIP 85409, SAO 244755, HR 6478, CD-50° 11283.
Database references
SIMBAD	data
Data sources:
Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.)
Database references
SIMBAD	data

HD 157662 is a star in a double system.

References

v t e Stars of Ara

Bayer	α (Choo) β γ δ ε¹ ε² ζ η θ ι κ λ μ ν¹ ν² π ρ¹ ρ² σ

Variable	R S RW AE AT BF OY V535 V626 V750 V801 V821 V824 V837 V828 V829 V854 V862 V872

HR	6167 6177 6187 6188 6197 6207 6215 6219 6236 6251 6253 6275 6297 6300 6312 6320 6323 6356 6368 6408 6423 6438 6440 6442 6447 6471 6475 6477 6478 6483 6487 6505 6513 6525 6530 6547 6572 6614 6640 6759

HD	150897 152079 152220 153201 154577 154672 154857 155951 156385 156411 158907 163071 164896

Gliese	Gliese 674 Gliese 676

Other	41 G. CPD -56 8032 CXO J164710.2-455216 PSR J1644-4559 4U 1702-42 Westerlund 1-26 XTE J1650-500 XTE J1701-462

List

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