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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:08  
clear_day Transit: 12:59  
SunsetSet: 19:51
sunny DaytimeWhat's Visible Now?
All Constellations » Capricornus » 

HR7902

Altitude: 5.2°   Azimuth: 213.1°   Direction: South-South-West

HR7902 is a main-sequence star in the constellation of Capricornus.

HR7902 visual magnitude is 6.51. Because of its reltive faintness, HR7902 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 HR7902 is 0.033 arcsec per year in Right Ascension and -0.017 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR7902 star
DSS2 image of HR7902. The red arrow shows the motion of HR7902 during the next 10000 years (5.50 arcmin in Right Ascension and -2.83 arcmin in declination);

Key facts about HR7902

6.51
Main-sequence

HR7902 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 5.2°
Azimuth: 213.1°
Direction: South-South-West

Celestial coordinates and finder chart of HR7902

HR7902 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR7902 are provided in the following table:

20h 40m 36s
-26° 38’ 41”
17.97°
-34.7°
Capricornus

The simplified sky map below shows the position of HR7902 in the sky:

Finder chart HR7902 star
Simplified finder chart for HR7902.

Visibility of HR7902 from your location

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

Today's HR7902 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 116.6°
Max altitude: 11.9°
Azimuth: 243.4°

Distance of HR7902 from the Sun and relative movement

HR7902 is distant 377.31 light years from the Sun and it is moving towards the Sun at the speed of 6 kilometers per second.

115.74 pc
377.31 ly
-6 km/s
0.033 arcsec/year
-0.017 arcsec/year

Spectral properties of HR7902

HR7902 belongs to spectral class F7 and has a luminosity class of V corresponding to a main-sequence star.

1.19
F7V
6088K

The red dot in the diagram below shows where HR7902 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7902. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7902

SAO189559
SAO189559