HR7810

Below the horizon. Rise: 20:31 | Tran: 3:24 | Set: 10:14

Alt: -12.95° Az: 54.61° Direction: South-South-West

HR7810 is a variable giant star of spectral class K5 in the constellation of Delphinus.

HR7810 visual magnitude is 6.33. Because of its faintness, HR7810 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 HR7810. The red arrow shows the motion of HR7810 during the next 10000 years (0.33 arcmin in Right Ascension and -5.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 26m 57s

Declination +10° 08’ 27”

Hour Angle 15h 35m 16s

Sidereal Time 12h 02m 13s

J2000

Right Ascension 20h 25m 44s

Declination +10° 03’ 23”

Galactic Coordinates

Galactic Longitude 53.3°

Galactic Latitude -15.71°

Finder Chart

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Finder chart for HR7810.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.33

Class Giant

Absolute magnitude -0.82

Spectral Type K5III

Color Index (B-V) 1.56

Temperature 3705K

The red dot in the diagram below shows where HR7810 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7810. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR7810 is distant 876.34 light years from the Sun and it is moving towards the Sun at the speed of 77 kilometers per second.

Distance (parsec) 268.82

Distance (light year) 876.34

Radial Speed -77 km/s

Proper Motion RA 0.002 arcsec/y

Proper Motion Dec -0.03"/y

Alternative Designations

Henry Draper Catalogue HD194526

SAO Catalogue SAO125797

Hipparcos Catalogue HIP100762

Durchmusterung Catalogue BD+09 4526

General Catalogue of Variable Stars 13076

Visibility from Your Location

Today's HR7810 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 79.9° RISE 20:31

Max altitude: 48.7° TRANSIT 3:24

Azimuth: 280.1° SET 10:14

Set Location

Other stars in Delphinus