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public  Shijak, Albania Shijak, Albania  ⓘ
TimezoneEurope/Tirane
Sunrise: 5:13 
Transit: 12:39 
Sunset: 20:05
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All Constellations » Perseus » 

δ Persei (delta Persei)

Above the horizon.  Rise: 0:51 | Tran: 11:57 | Set: 23:00
Alt: 78.62°   Az: 50.64°   Direction: North-East

δ Persei is a variable and double giant star of spectral class B5 in the constellation of Perseus.

δ Persei visual magnitude is 3.01. Because of its moderate brightness, δ 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.

Image of δ Persei (delta Persei) star
DSS2 image of δ Persei. The red arrow shows the motion of δ Persei during the next 10000 years (4.67 arcmin in Right Ascension and -5.67 arcmin in declination);

Celestial Coordinates

Apparent

03h 44m 44s
+47° 52’ 00”
23h 07m 24s
02h 52m 08s

J2000

03h 42m 55s
+47° 47’ 15”

Galactic Coordinates

150.28°
-5.77°

Finder Chart

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Finder chart for δ Persei (delta Persei).

Magnitude, Color, Spectral Class

3.01
Giant

-3.04
B5III
12103K

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

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

Star System Properties

δ 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 δ Persei double sysyem:

3.01
10.31
7.3
99.1 arcsec

Distance, Radial Speed, Proper Motion

δ Persei is distant 527.51 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

161.81
527.51
4 km/s
0.028 arcsec/y
-0.034"/y

Alternative Designations

δ Persei
(delta Persei)
SAO39053
SAO39053

Visibility from Your Location

Today's δ Persei (delta Persei) rise, transit and set times from Shijak, Albania are the following (all times relative to the local timezone Europe/Tirane):

Azimuth: 42.1°
Max altitude: 83.5°
Azimuth: 317.9°