HD 188385

HD 188385
Observation data; Epoch J2000 Equinox J2000
Constellation	Aquila
Right ascension	19h 54m 40.20001s
Declination	+07° 08′ 25.2711″
Apparent magnitude (V)	6.15
Characteristics
Evolutionary stage	main sequence
Spectral type	A2V
U−B color index	+0.04
B−V color index	+0.03
Astrometry
Radial velocity (Rv)	−16.0 km/s
Proper motion (μ)	RA: +28.410 mas/yr ; Dec.: −0.093 mas/yr
Parallax (π)	12.6651±0.0321 mas
Distance	257.5 ± 0.7 ly ; (79.0 ± 0.2 pc)
Absolute magnitude (MV)	+1.58
Details
Mass	2.1 M☉
Radius	1.7 R☉
Luminosity	23 L☉
Temperature	9,037 K
Metallicity [Fe/H]	−0.50 dex
Rotation	27.2 days
Rotational velocity (v sin i)	118 km/s
Age	371 Myr
Other designations
	BD+06°4351, HD 188385, HIP 97970, HR 7598, SAO 125221
Database references
SIMBAD	data

HD 188385 is an A-type main sequence star in the equatorial constellation of Aquila.

Right ascension19^h 54^m 40.20001^s^[2]

Declination+07° 08′ 25.2711″^[2]

Quick facts Observation data Epoch J2000 Equinox J2000, Constellation ...

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Observation data Epoch J2000 Equinox J2000
Constellation	Aquila^[1]
Right ascension	19^h 54^m 40.20001^s^[2]
Declination	+07° 08′ 25.2711″^[2]
Apparent magnitude (V)	6.15^[3]
Characteristics
Evolutionary stage	main sequence^[2]^[4]
Spectral type	A2V^[5]
U−B color index	+0.04^[3]
B−V color index	+0.03^[3]
Astrometry
Radial velocity (R_v)	−16.0^[6] km/s
Proper motion (μ)	RA: +28.410^[2] mas/yr Dec.: −0.093^[2] mas/yr
Parallax (π)	12.6651±0.0321 mas^[2]
Distance	257.5 ± 0.7 ly (79.0 ± 0.2 pc)
Absolute magnitude (M_V)	+1.58^[1]
Details
Mass	2.1^[4] `M`_☉
Radius	1.7^[2] R_☉
Luminosity	23^[4] `L`_☉
Temperature	9,037^[4] K
Metallicity [Fe/H]	−0.50^[7] dex
Rotation	27.2^[8] days
Rotational velocity (v sin i)	118^[4] km/s
Age	371^[4] Myr
Other designations
BD+06°4351, HD 188385, HIP 97970, HR 7598, SAO 125221
Database references
SIMBAD	data

References