Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Ara |
Right ascension | 17h 27m 57.60196s [1] |
Declination | −52° 17′ 49.8161″ [1] |
Apparent magnitude (V) | 5.75 [2] |
Characteristics | |
Spectral type | K2III [3] |
B−V color index | +1.17 [2] |
Astrometry | |
Radial velocity (Rv) | −8.70 [4] km/s |
Proper motion (μ) |
RA: −14.50
[1]
mas/
yr Dec.: −58.43 [1] mas/ yr |
Parallax (π) | 9.12 ± 0.53 mas [1] |
Distance | 360 ± 20
ly (110 ± 6 pc) |
Details | |
Luminosity | 81 [5] L☉ |
Temperature | 4,564 [5] K |
Other designations | |
Database references | |
SIMBAD | data |
HD 157753 is giant star in the southern constellation of Ara. It may be an astrometric binary, [6] and it has a faint, magnitude 13 companion at an angular separation of 31.5″ along a position angle of 356° (as of 2000). [7]
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Ara |
Right ascension | 17h 27m 57.60196s [1] |
Declination | −52° 17′ 49.8161″ [1] |
Apparent magnitude (V) | 5.75 [2] |
Characteristics | |
Spectral type | K2III [3] |
B−V color index | +1.17 [2] |
Astrometry | |
Radial velocity (Rv) | −8.70 [4] km/s |
Proper motion (μ) |
RA: −14.50
[1]
mas/
yr Dec.: −58.43 [1] mas/ yr |
Parallax (π) | 9.12 ± 0.53 mas [1] |
Distance | 360 ± 20
ly (110 ± 6 pc) |
Details | |
Luminosity | 81 [5] L☉ |
Temperature | 4,564 [5] K |
Other designations | |
Database references | |
SIMBAD | data |
HD 157753 is giant star in the southern constellation of Ara. It may be an astrometric binary, [6] and it has a faint, magnitude 13 companion at an angular separation of 31.5″ along a position angle of 356° (as of 2000). [7]