π Andromedae (pi Andromedae)

Below the horizon. Rise: 19:22 | Tran: 5:12 | Set: 14:59

Alt: -4.07° Az: 9.57° Direction: North

π Andromedae is a variable and multiple main-sequence star of spectral class B5 in the constellation of Andromeda.

π Andromedae visual magnitude is 4.36. Because of its moderate brightness, π 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 π Andromedae (pi Andromedae) star

DSS2 image of π Andromedae. The red arrow shows the motion of π Andromedae during the next 10000 years (2.50 arcmin in Right Ascension and -0.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 00h 38m 12s

Declination +33° 51’ 15”

Hour Angle 12h 46m 05s

Sideral Time 13h 24m 17s

J2000

Right Ascension 00h 36m 52s

Declination +33° 43’ 09”

Galactic Coordinates

Galactic Longitude 119.47°

Galactic Latitude -29.05°

Finder Chart

Simplified finder chart for π Andromedae (pi Andromedae).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.36

Class Main-sequence

Absolute magnitude -2.16

Spectral Type B5V

Color Index (B-V) -0.14

Temperature 12293K

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

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

Star System Properties

π Andromedae is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the π Andromedae double sysyem:

Main star magnitude 4.36

Secondary star magnitude 8.56

Magnitude difference 4.2

Separation 35.2 arcsec

Distance, Radial Speed, Proper Motion

π Andromedae is distant 655.94 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.

Distance (parsec) 201.21

Distance (light year) 655.94

Radial Speed 9 km/s

Proper Motion RA 0.015 arcsec/y

Proper Motion Dec -0.004"/y

Alternative Designations

Bayer designation π Andromedae
(pi Andromedae)

Flamsteed designation 29 Andromedae

Henry Draper Catalogue HD3369

SAO Catalogue SAO54033

Hipparcos Catalogue HIP2912

Durchmusterung Catalogue BD+32 101

FK5 Catalogue 18

General Catalogue of Variable Stars 227

Aitken Double Star Catalogue ADS513

Visibility from Your Location

Today's π Andromedae (pi Andromedae) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 56.1° RISE 19:22

Max altitude: 72.4° TRANSIT 5:12

Azimuth: 303.9° SET 14:59

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Other stars in Andromeda