Phi Andromedae

Starbox begin
name=φ AndromedaeStarbox image


caption = Starbox observe
epoch=J2000
ra=01h 09m 30.1255s
dec=+47° 14' 30.453"'
appmag_v=4.252
constell=Andromeda Starbox character
class=B7V
r-i = -0.05
v-r =
b-v=-0.07
u-b=-0.34
variable=Emission-line Star Starbox astrometry
radial_v=-0.1
prop_mo_ra=3.81
prop_mo_dec=-13.02
gal_lat=-15.5184
gal_lon=126.1122
parallax=4.43
p_error=0.80
absmag_v=4.197 Starbox detail
mass=18
radius=7
luminosity=20.000
temperature=10.000–30.000
metal=
gravity=
rotation=71 Km/s
0,013684245239 Year
age= Starbox visbin
name=φ Andromedae B
period=371.6
axis=0.447
eccentricity=0.21
inclination=131
node=148.2
periastron=1889.9 Starbox visbin
name=φ Andromedae C
period=
axis=10
eccentricity=
inclination=224
node=
periastron= Starbox visbin
name=φ Andromedae D
period=
axis=27.7
eccentricity=
inclination=64
node=
periastron=

Starbox catalog
names=42 Andromedae, HR 335,HD 6811, BD+46°275, HIP 5434, SAO 36972, GC 1394, ADS 940, CCDM 01095+4715. Starbox reference
Simbad=Phi+Andromedae Starbox reference
Simbad=ADS+940

Phi Andromedae is a binary star system near the border of the constellation of Andromeda, approximately 735 light years from Earth. It has the traditional name Keun Nan Mun, which it shares with χ Andromedae. This name derives from Mandarin 軍南門 "jūnnánmén", meaning 'the south gate of the camp'.

The primary component, Phi Andromedae A, is a blue-white B-type subgiant with an apparent magnitude of +4.6. The companion star, Phi Andromedae B, is a blue-white B-type main sequence dwarf with an apparent magnitude of 5.6. The two stars are separated by 0.64 arcseconds and have an orbital period of 371.6 years. The combined brightness of the system is +4.26 magnitudes.

Location

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

References

* [http://www.alcyone.de/cgi-bin/search.pl?object=HR0335 HR 0335]
* [http://aladin.u-strasbg.fr/AladinPreview?-c=BD%2B46+++275A&ident=BD%2B46+++275A&submit=Aladin+previewer Image φ Andromedae]
* [http://www.astro.uiuc.edu/~kaler/sow/phiand.html www.astro.uiuc.edu/]
* [http://webviz.u-strasbg.fr/viz-bin/VizieR-S?HR%20335 HR 0335]
* [http://webviz.u-strasbg.fr/viz-bin/VizieR-S?CCDM%20J01095%2b4715AB CCDM J01095+4715AB]

Components