HR2817

Above the horizon. Rise: 0:09 | Tran: 7:32 | Set: 14:51

Alt: 24.66° Az: 263.94° Direction: West

HR2817 is a variable main-sequence star of spectral class B2 in the constellation of Gemini.

HR2817 visual magnitude is 6.41. Because of its faintness, HR2817 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 HR2817. The red arrow shows the motion of HR2817 during the next 10000 years (1.83 arcmin in Right Ascension and 0.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 07h 25m 52s

Declination +15° 28’ 01”

Hour Angle 04h 38m 40s

Sideral Time 12h 04m 33s

J2000

Right Ascension 07h 24m 27s

Declination +15° 31’ 01”

Galactic Coordinates

Galactic Longitude 202.53°

Galactic Latitude 14.19°

Finder Chart

Simplified finder chart for HR2817.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.41

Class Main-sequence

Absolute magnitude -4.46

Spectral Type B2V

Color Index (B-V) -0.18

Temperature 13121K

The red dot in the diagram below shows where HR2817 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2817. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR2817 is distant 4,865.67 light years from the Sun and it is moving far from the Sun at the speed of 37 kilometers per second.

Distance (parsec) 1,492.54

Distance (light year) 4,865.67

Radial Speed 37 km/s

Proper Motion RA 0.011 arcsec/y

Proper Motion Dec 0.004"/y

Alternative Designations

Henry Draper Catalogue HD58050

SAO Catalogue SAO96866

Hipparcos Catalogue HIP35933

Durchmusterung Catalogue BD+15 1564

General Catalogue of Variable Stars OT Gem

Visibility from Your Location

Today's HR2817 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 74.5° RISE 0:09

Max altitude: 54.0° TRANSIT 7:32

Azimuth: 285.5° SET 14:51

Set Location

Other stars in Gemini