φ Andromedae (phi Andromedae)

Below the horizon. Rise: 22:21 | Tran: 7:32 | Set: 16:39

Alt: -6.00° Az: 15.09° Direction: South

φ Andromedae is a variable and double main-sequence star of spectral class B7 in the constellation of Andromeda.

φ Andromedae visual magnitude is 4.25. Because of its moderate brightness, φ Andromedae is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of φ Andromedae (phi Andromedae) star

DSS2 image of φ Andromedae. The red arrow shows the motion of φ Andromedae during the next 10000 years (1.67 arcmin in Right Ascension and -1.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 01h 10m 59s

Declination +47° 22’ 37”

Hour Angle 13h 29m 54s

Sidereal Time 14h 40m 53s

J2000

Right Ascension 01h 09m 30s

Declination +47° 14’ 30”

Galactic Coordinates

Galactic Longitude 126.11°

Galactic Latitude -15.52°

Finder Chart

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Finder chart for φ Andromedae (phi Andromedae).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.25

Class Main-sequence

Absolute magnitude -2.52

Spectral Type B7V

Color Index (B-V) -0.07

Temperature 11092K

The red dot in the diagram below shows where φ Andromedae is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of φ Andromedae. Attribution: Richard Powell / CC BY-SA

Star System Properties

φ Andromedae is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the φ Andromedae double sysyem:

Main star magnitude 4.25

Secondary star magnitude 5.45

Magnitude difference 1.2

Separation 0.4 arcsec

Distance, Radial Speed, Proper Motion

φ Andromedae is distant 735.89 light years from the Sun

Distance (parsec) 225.73

Distance (light year) 735.89

Proper Motion RA 0.01 arcsec/y

Proper Motion Dec -0.009"/y

Alternative Designations

Bayer designation φ Andromedae
(phi Andromedae)

Flamsteed designation 42 Andromedae

Henry Draper Catalogue HD6811

SAO Catalogue SAO36972

Hipparcos Catalogue HIP5434

Durchmusterung Catalogue BD+46 275

General Catalogue of Variable Stars Var?

Aitken Double Star Catalogue ADS940

Visibility from Your Location

Today's φ Andromedae (phi Andromedae) rise, transit and set times from Leh, India are the following (all times relative to the local timezone Asia/Kolkata):

Azimuth: 42.6° RISE 22:21

Max altitude: 76.8° TRANSIT 7:32

Azimuth: 317.4° SET 16:39

Name:	Leh, India
Latitude:	34° 9' 54.0" N
Longitude:	77° 35' 2.4" E
Timezone:	Asia/Kolkata

Set Location

Other stars in Andromeda