15 Andromedae

15 Andromedae is a variable main-sequence star in the constellation of Andromeda.

15 Andromedae visual magnitude is 5.59. Because of its reltive faintness, 15 Andromedae should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about 15 Andromedae:

Color of 15 Andromedae ⬤

Magnitude of 15 Andromedae 5.59

Class Main-sequence

VISIBILITY RIGHT NOW 15 Andromedae is above the horizon from Greenwich, United Kingdom [change]. Altitude: 65°.

Celestial coordinates and finder chart of 15 Andromedae

15 Andromedae is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 15 Andromedae are provided in the following table:

Right Ascension J2000 23h 34m 37s

Declination J2000 +40° 14’ 11”

Galactic Longitude 107.4°

Galactic Latitude -20.31°

Constellation Andromeda

The simplified sky map below shows the position of 15 Andromedae in the sky:

Simplified finder chart for 15 Andromedae.

Visibility of 15 Andromedae from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

15 Andromedae is circumpolar and transits at 11:00 UTC (altitude: 78.8°)

Digitized Sky Survey image of 15 Andromedae

The image below is a photograph of 15 Andromedae from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of 15 Andromedae is -0.017 arcsec per year in Right Ascension and -0.046 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of 15 Andromedae. The red arrow shows the motion of 15 Andromedae during the next 10000 years (-2.83 arcmin in Right Ascension and -7.67 arcmin in declination);

Distance of 15 Andromedae from the Sun and relative movement

15 Andromedae is distant 233.36 light years from the Sun and it is moving far from the Sun at the speed of 13 kilometers per second.

Distance (parsec) 71.58 pc

Distance (light year) 233.36 ly

Heliocentric radial velocity 13 km/s

Proper Motion RA -0.017 arcsec/year

Proper Motion Dec -0.046 arcsec/year

Spectral properties of 15 Andromedae

15 Andromedae belongs to spectral class A1 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 1.32

Spectral Type A1V

Color Index (B-V) 0.1

Temperature of 15 Andromedae 9028K

The red dot in the diagram below shows where 15 Andromedae is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 15 Andromedae. Attribution: Richard Powell / CC BY-SA

Alternative designations of 15 Andromedae

Flamsteed designation 15 Andromedae

Henry Draper Catalogue HD221756

SAO Catalogue SAO73346

Hipparcos Catalogue HIP116354

Durchmusterung Catalogue BD+39 5114

FK5 Catalogue 1616

General Catalogue of Variable Stars 14627

How to support us

In Evidence

Other stars in Andromeda