HR2931

Below the horizon. Rise: 7:44 | Tran: 12:47 | Set: 17:46

Alt: -46.25° Az: 85.10° Direction: East

HR2931 is a main-sequence star of spectral class A2 in the constellation of Gemini.

HR2931 visual magnitude is 6.17. Because of its faintness, HR2931 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 HR2931. The red arrow shows the motion of HR2931 during the next 10000 years (-2.00 arcmin in Right Ascension and 0.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 07h 40m 44s

Declination +24° 09’ 45”

Hour Angle 15h 16m 09s

Sidereal Time 22h 56m 53s

J2000

Right Ascension 07h 39m 11s

Declination +24° 13’ 21”

Galactic Coordinates

Galactic Longitude 195.56°

Galactic Latitude 20.79°

Finder Chart

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Finder chart for HR2931.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.17

Class Main-sequence

Absolute magnitude 0.55

Spectral Type A2V

Color Index (B-V) 0.01

Temperature 10002K

The red dot in the diagram below shows where HR2931 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2931. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR2931 is distant 434.67 light years from the Sun and it is moving towards the Sun at the speed of 11 kilometers per second.

Distance (parsec) 133.33

Distance (light year) 434.67

Radial Speed -11 km/s

Proper Motion RA -0.012 arcsec/y

Proper Motion Dec 0.002"/y

Alternative Designations

Henry Draper Catalogue HD61219

SAO Catalogue SAO79580

Hipparcos Catalogue HIP37269

Durchmusterung Catalogue BD+24 1730

Visibility from Your Location

Today's HR2931 rise, transit and set times from South Grafton, Australia are the following (all times relative to the local timezone Australia/Sydney):

Azimuth: 65.8° RISE 7:44

Max altitude: 36.1° TRANSIT 12:47

Azimuth: 294.2° SET 17:46

Name:	South Grafton, Australia
Latitude:	29° 42' 27.4" S
Longitude:	152° 55' 33.6" E
Timezone:	Australia/Sydney

Set Location

Other stars in Gemini