Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Aquila |
Right ascension | 19h 15m 20.08999s[1] |
Declination | +15° 05′ 01.1456″[1] |
Apparent magnitude (V) | 5.57[2] (5.75 + 7.69)[3] |
Characteristics | |
Spectral type | G8II-III + A1V[3] |
U−B color index | +0.85[2] |
B−V color index | +1.10[2] |
R−I color index | 0.54 |
Astrometry | |
Radial velocity (Rv) | −25.2[4] km/s |
Proper motion (μ) | RA: +0.55[1] mas/yr Dec.: −11.10[1] mas/yr |
Parallax (π) | 5.32 ± 0.9 mas[1] |
Distance | approx. 600 ly (approx. 190 pc) |
Details | |
HD 180262 A | |
Radius | 50[5] R☉ |
Luminosity | 323[6] L☉ |
Surface gravity (log g) | 2.0[7] cgs |
Temperature | 4,308[8] K |
Metallicity [Fe/H] | 0.21[8] dex |
Rotational velocity (v sin i) | 1.4[7] km/s |
Other designations | |
Database references | |
SIMBAD | data |
Database references | |
SIMBAD | data |
HD 180262 is a wide double star in the equatorial constellation of Aquila. The pair have an angular separation of 89.823″.[3]
van Leeuwen2007
was invoked but never defined (see the help page).MERMILLIOD
was invoked but never defined (see the help page).mnras389_2_869
was invoked but never defined (see the help page).Gontcharov
was invoked but never defined (see the help page).aaa367_521
was invoked but never defined (see the help page).Mcdonald2012
was invoked but never defined (see the help page).aa450_3_1173
was invoked but never defined (see the help page).aj127_172
was invoked but never defined (see the help page).