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public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 5:24 
Transit: 12:55 
Sunset: 20:27
sunny   (Daytime)   What's Visible Now?

HR7975

Altitude: -32.5°   Azimuth: 349.4°   Direction: North

HR7975 is a double hypergiant star in the constellation of Delphinus.

HR7975 visual magnitude is 6.21. Because of its reltive faintness, HR7975 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR7975 is 0.04 arcsec per year in Right Ascension and 0.006 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR7975 star
DSS2 image of HR7975. The red arrow shows the motion of HR7975 during the next 10000 years (6.67 arcmin in Right Ascension and 1.00 arcmin in declination);

Key facts about HR7975

6.21
Hypergiant

HR7975 is below the horizon from Greenwich, United Kingdom.

Altitude: -32.5°
Azimuth: 349.4°
Direction: North

Celestial coordinates and finder chart of HR7975

HR7975 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR7975 are provided in the following table:

20h 49m 59s
+05° 32’ 40”
52.67°
-23.2°
Delphinus

The simplified sky map below shows the position of HR7975 in the sky:

Finder chart HR7975 star
Simplified finder chart for HR7975.

Visibility of HR7975 from your location

Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's HR7975 rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):

Azimuth: 84.5°
Max altitude: 44.1°
Azimuth: 275.5°

Distance of HR7975 from the Sun and relative movement

HR7975 is distant 495.44 light years from the Sun and it is moving towards the Sun at the speed of 22 kilometers per second.

151.98 pc
495.44 ly
-22 km/s
0.04 arcsec/year
0.006 arcsec/year

Spectral properties of HR7975

HR7975 belongs to spectral class K0

0.30
K0
4791K

The red dot in the diagram below shows where HR7975 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7975. Attribution: Richard Powell / CC BY-SA

HR7975 star system properties

HR7975 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR7975 double sysyem:

6.21
8.71
2.5
79.9 arcsec

Alternative designations of HR7975

SAO126267
SAO126267