42 Persei

Above the horizon. Rise: 19:23 | Tran: 5:04 | Set: 14:42

Alt: 11.96° Az: 309.18° Direction: North-West

42 Persei is a variable main-sequence star of spectral class A3 in the constellation of Perseus.

42 Persei visual magnitude is 5.11. Because of its faintness, 42 Persei is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

DSS2 image of 42 Persei. The red arrow shows the motion of 42 Persei during the next 10000 years (-4.83 arcmin in Right Ascension and -0.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 03h 51m 06s

Declination +33° 09’ 54”

Hour Angle 07h 40m 11s

Sideral Time 11h 31m 18s

J2000

Right Ascension 03h 49m 32s

Declination +33° 05’ 29”

Galactic Coordinates

Galactic Longitude 160.7°

Galactic Latitude -16.42°

Finder Chart

Simplified finder chart for 42 Persei.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.11

Class Main-sequence

Absolute magnitude 0.31

Spectral Type A3V

Color Index (B-V) 0.07

Temperature 9328K

The red dot in the diagram below shows where 42 Persei is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 42 Persei. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

42 Persei is distant 297.45 light years from the Sun and it is moving towards the Sun at the speed of 14 kilometers per second.

Distance (parsec) 91.24

Distance (light year) 297.45

Radial Speed -14 km/s

Proper Motion RA -0.029 arcsec/y

Proper Motion Dec -0.001"/y

Alternative Designations

Flamsteed designation 42 Persei

Henry Draper Catalogue HD23848

SAO Catalogue SAO56727

Hipparcos Catalogue HIP17886

Durchmusterung Catalogue BD+32 667

General Catalogue of Variable Stars V467 Per

Visibility from Your Location

Today's 42 Persei rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 56.8° RISE 19:23

Max altitude: 71.7° TRANSIT 5:04

Azimuth: 303.2° SET 14:42

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

Location

Other stars in Perseus