48 Persei

Above the horizon. Circumpolar today

Alt: 9.39° Az: 4.09° Direction: South-West

48 Persei is a variable main-sequence star of spectral class B3 in the constellation of Perseus.

48 Persei visual magnitude is 4.04. Because of its moderate brightness, 48 Persei 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.

DSS2 image of 48 Persei. The red arrow shows the motion of 48 Persei during the next 10000 years (3.50 arcmin in Right Ascension and -5.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 04h 10m 31s

Declination +47° 46’ 41”

Hour Angle 12h 24m 03s

Sidereal Time 16h 34m 35s

J2000

Right Ascension 04h 08m 39s

Declination +47° 42’ 44”

Galactic Coordinates

Galactic Longitude 153.65°

Galactic Latitude -3.04°

Finder Chart

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Finder chart for 48 Persei.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.04

Class Main-sequence

Absolute magnitude -2.11

Spectral Type B3V

Color Index (B-V) -0.03

Temperature 10516K

The red dot in the diagram below shows where 48 Persei is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 48 Persei. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

48 Persei is distant 553.48 light years from the Sun and it is moving far from the Sun at the speed of 1 kilometers per second.

Distance (parsec) 169.78

Distance (light year) 553.48

Radial Speed 1 km/s

Proper Motion RA 0.021 arcsec/y

Proper Motion Dec -0.03"/y

Alternative Designations

Flamsteed designation 48 Persei

Henry Draper Catalogue HD25940

SAO Catalogue SAO39336

Hipparcos Catalogue HIP19343

Durchmusterung Catalogue BD+47 939

FK5 Catalogue 152

General Catalogue of Variable Stars MX Per

Visibility from Your Location

48 Persei is circumpolar and transits at 10:07 UTC (altitude: 86.3°)

Set Location

Other stars in Perseus