HR2722

Above the horizon. Rise: 5:49 | Tran: 14:08 | Set: 22:26

Alt: 63.18° Az: 179.68° Direction: South-South-West

HR2722 is a multiple star of spectral class A1 in the constellation of Gemini.

HR2722 visual magnitude is 6.89. Because of its faintness, HR2722 is not visible to the naked eye.

DSS2 image of HR2722. The red arrow shows the motion of HR2722 during the next 10000 years (0.50 arcmin in Right Ascension and -2.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 07h 15m 59s

Declination +24° 39’ 54”

Hour Angle 23h 59m 21s

Sidereal Time 07h 15m 21s

J2000

Right Ascension 07h 14m 26s

Declination +24° 42’ 38”

Galactic Coordinates

Galactic Longitude 192.84°

Galactic Latitude 15.76°

Finder Chart

Loading map...

Finder chart for HR2722.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.89

Class

HR2722 is also a SrCr chemically peculiar star.

Absolute magnitude 0.28

Spectral Type A1

Color Index (B-V) -0.03

Temperature 10516K

The red dot in the diagram below shows where HR2722 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2722. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR2722 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR2722 double sysyem:

Main star magnitude 6.89

Secondary star magnitude 10.39

Magnitude difference 3.5

Separation 27.5 arcsec

Distance, Radial Speed, Proper Motion

HR2722 is distant 683.44 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

Distance (parsec) 209.64

Distance (light year) 683.44

Radial Speed 3 km/s

Proper Motion RA 0.003 arcsec/y

Proper Motion Dec -0.016"/y

Alternative Designations

Henry Draper Catalogue HD55579

SAO Catalogue SAO79191

Hipparcos Catalogue HIP34995

Durchmusterung Catalogue BD+24 1576

Visibility from Your Location

Today's HR2722 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 65.3° RISE 5:49

Max altitude: 63.2° TRANSIT 14:08

Azimuth: 294.7° SET 22:26

Set Location

Other stars in Gemini