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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:06 
Transit: 12:56 
Sunset: 20:47
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All Constellations » Delphinus » 

HR7907

Above the horizon.  Rise: 23:00 | Tran: 6:00 | Set: 12:56
Alt: 1.84°   Az: 285.99°   Direction: West-North-West

HR7907 is a double sub-giant star of spectral class F8 in the constellation of Delphinus.

HR7907 visual magnitude is 6.42. Because of its faintness, HR7907 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.

Image of HR7907 star
DSS2 image of HR7907. The red arrow shows the motion of HR7907 during the next 10000 years (10.00 arcmin in Right Ascension and 14.67 arcmin in declination);

Celestial Coordinates

Apparent

20h 41m 04s
+11° 20’ 26”
06h 45m 59s
03h 27m 04s

J2000

20h 39m 51s
+11° 14’ 58”

Galactic Coordinates

56.31°
-17.99°

Finder Chart

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Finder chart for HR7907.

Magnitude, Color, Spectral Class

6.42
Sub-giant

3.83
F8IV
6170K

The red dot in the diagram below shows where HR7907 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7907. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR7907 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR7907 double sysyem:

6.42
10.42
4
191.9 arcsec

Distance, Radial Speed, Proper Motion

HR7907 is distant 107.56 light years from the Sun and it is moving towards the Sun at the speed of 28 kilometers per second.

32.99
107.56
-28 km/s
0.06 arcsec/y
0.088"/y

Alternative Designations

SAO106360
SAO106360

Visibility from Your Location

Today's HR7907 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 78.7°
Max altitude: 49.9°
Azimuth: 281.3°