HD 187734

HD 187734
Observation data; Epoch J2000 Equinox J2000
Constellation	Aquila
Right ascension	Template:RA
Declination	Template:DEC
Apparent magnitude (V)	Script error: No such module "val". (6.71 + 9.42)
Characteristics
Spectral type	K2III + A5V
Astrometry
Radial velocity (Rv)	Script error: No such module "val". km/s
Proper motion (μ)	RA: −1.70 mas/yr ; Dec.: −5.82 mas/yr
Parallax (π)	1.31±0.86 mas
Distance	approx. Template:Rnd ly ; (approx. Template:Rnd pc)
Details
HD 187734 A
Mass	Script error: No such module "val". Template:Solar mass
Radius	109 Template:Solar radius
Luminosity	3,339 Template:Solar luminosity
Surface gravity (log g)	1.17 cgs
Temperature	4,128 K
Age	Script error: No such module "val". Myr
HD 187734 B
Mass	2.7 Template:Solar mass
Radius	3.1 Template:Solar radius
Luminosity	100 Template:Solar luminosity
Surface gravity (log g)	3.89 cgs
Temperature	10.312 K
Metallicity [Fe/H]	dex
Other designations
	BD+03°4172, HD 188385, HIP 97709, SAO 125141, WDS J19514+0405
Database references
SIMBAD	data
	B

Script error: No such module "Check for unknown parameters".

HD 187734 is double star in the equatorial constellation of Aquila. The primary is a magnitude 6.6 giant star, while the companion is a magnitude 9.4 A-type main sequence star.^[4] As of 2014, the pair had an angular separation of 5″ along a position angle of 99°.^[3]

References

Script error: No such module "Check for unknown parameters".

Observation data Epoch J2000 Equinox J2000
Constellation	Aquila
Right ascension	Template:RA^[1]
Declination	Template:DEC^[1]
Apparent magnitude (V)	Script error: No such module "val".^[2] (6.71 + 9.42)^[3]
Characteristics
Spectral type	K2III + A5V^[4]
Astrometry

Radial velocity (R_v)	Script error: No such module "val".^[2] km/s
Proper motion (μ)	RA: −1.70^[1] mas/yr Dec.: −5.82^[1] mas/yr
Parallax (π)	1.31±0.86 mas^[1]
Distance	approx. Template:Rnd ly (approx. Template:Rnd pc)

Details
HD 187734 A
Mass	Script error: No such module "val".^[5] Template:Solar mass
Radius	109^[6] Template:Solar radius
Luminosity	3,339^[7] Template:Solar luminosity
Surface gravity (log g)	1.17^[6] cgs
Temperature	4,128^[7] K
Age	Script error: No such module "val". Myr
HD 187734 B
Mass	2.7^[8] Template:Solar mass
Radius	3.1^[8] Template:Solar radius
Luminosity	100^[8] Template:Solar luminosity
Surface gravity (log g)	3.89^[8] cgs
Temperature	10.312^[8] K
Metallicity [Fe/H]	dex
Other designations
BD+03°4172, HD 188385, HIP 97709, SAO 125141, WDS J19514+0405
Database references
SIMBAD	data
	B