Pi Andromedae

Starbox begin
name=π AndromedaeStarbox image


caption = Starbox observe
epoch=J2000
ra=00h 36m 52.8497s
dec=+33° 43' 09.637"'
appmag_v=4.335
constell=Andromeda Starbox character
class=B5V
b-v=-0.14
u-b=-0.55
variable=None Starbox astrometry
radial_v=8.7
prop_mo_ra=15.23
prop_mo_dec=-3.56
gal_lat=-29.0545
gal_lon=119.4693
parallax=4.97
p_error=0.82
absmag_v=4.223 Starbox detail
mass=18
radius=7
luminosity=20.000
temperature=10.000–30.000
metal=?
gravity=?
rotation= 0,393173169 year
age=? Starbox visbin
name=π Andromedae B
period= 103
axis=35.9
eccentricity=
inclination=173
node=
periastron= Starbox visbin
name=π Andromedae C
period=
axis=55.2
eccentricity=
inclination=357
node=
periastron=

Starbox visbin
name=π Andromedae D
period=
axis=0
eccentricity=
inclination=0
node=
periastron=

Starbox catalog
names= 29 Andromedae, HR 154,HD 3369, BD+32°101, FK5 18, HIP 2912, SAO 54033, GC 729, ADS 513, CCDM 00369+3343. Starbox reference
Simbad=Pi+Andromedae Starbox reference
Simbad=ADS+513

Pi Andromedae (π And / π Andromedae) is a star system in the constellation Andromeda. It is approximately 660 light years from Earth.

The primary component, Pi Andromedae A, is a blue-white B-type main sequence dwarf with an apparent magnitude of +4.34. It is a spectroscopic binary with an orbital period of 143.6065 days. The binary has a 9th magnitude companion, Pi Andromedae B, 35.9 arcseconds away. It is a white A-type main sequence dwarf and has an orbital period of about 103 thousand years. At 55 arcseconds separation is the 11th magnitude Pi Andromedae C, which appears to be an optical companion.

Location

This star's location in the constellation Andromeda can be seen in the following diagram:

Components

References

* http://www.alcyone.de/cgi-bin/search.pl?object=HR0154
* [http://aladin.u-strasbg.fr/AladinPreview?-c=NSV+++227&ident=NSV+++227&submit=Aladin+previewer Image Pi Andromedae]