54 Persei

Below the horizon. Rise: 20:09 | Tran: 6:10 | Set: 16:08

Alt: -2.21° Az: 344.06° Direction: North-North-West

54 Persei is a double giant star of spectral class G8 in the constellation of Perseus.

54 Persei visual magnitude is 4.93. Because of its moderate brightness, 54 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 54 Persei. The red arrow shows the motion of 54 Persei during the next 10000 years (-4.17 arcmin in Right Ascension and -0.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 04h 22m 01s

Declination +34° 37’ 26”

Hour Angle 10h 42m 05s

Sideral Time 15h 04m 07s

J2000

Right Ascension 04h 20m 24s

Declination +34° 34’ 00”

Galactic Coordinates

Galactic Longitude 164.47°

Galactic Latitude -10.95°

Finder Chart

Simplified finder chart for 54 Persei.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.93

Class Giant

Absolute magnitude 0.72

Spectral Type G8III

Color Index (B-V) 0.94

Temperature 4892K

The red dot in the diagram below shows where 54 Persei is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 54 Persei. Attribution: Richard Powell / CC BY-SA

Star System Properties

54 Persei 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 54 Persei double sysyem:

Main star magnitude 4.93

Secondary star magnitude 12.83

Magnitude difference 7.9

Separation 110 arcsec

Distance, Radial Speed, Proper Motion

54 Persei is distant 226.07 light years from the Sun and it is moving towards the Sun at the speed of 27 kilometers per second.

Distance (parsec) 69.35

Distance (light year) 226.07

Radial Speed -27 km/s

Proper Motion RA -0.025 arcsec/y

Proper Motion Dec -0.005"/y

Alternative Designations

Flamsteed designation 54 Persei

Henry Draper Catalogue HD27348

SAO Catalogue SAO57171

Hipparcos Catalogue HIP20252

Durchmusterung Catalogue BD+34 860

FK5 Catalogue 158

Visibility from Your Location

Today's 54 Persei rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 55.4° RISE 20:09

Max altitude: 73.1° TRANSIT 6:10

Azimuth: 304.6° SET 16:08

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

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Location

Other stars in Perseus