HR4691

Above the horizon. Rise: 15:18 | Tran: 19:12 | Set: 23:07

Alt: 4.38° Az: 135.05° Direction: South-West

HR4691 is a double sub-giant star of spectral class G3 in the constellation of Corvus.

HR4691 visual magnitude is 5.97. Because of its faintness, HR4691 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 HR4691. The red arrow shows the motion of HR4691 during the next 1000 years (-1.82 arcmin in Right Ascension and -0.42 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 12h 21m 30s

Declination -22° 19’ 00”

Hour Angle 20h 41m 37s

Sidereal Time 09h 03m 08s

J2000

Right Ascension 12h 20m 10s

Declination -22° 10’ 32”

Galactic Coordinates

Galactic Longitude 293.46°

Galactic Latitude 40.12°

Finder Chart

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Finder chart for HR4691.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.97

Class Sub-giant

Absolute magnitude 0.16

Spectral Type G3IV

Color Index (B-V) 0.82

Temperature 5221K

The red dot in the diagram below shows where HR4691 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4691. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR4691 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR4691 double sysyem:

Main star magnitude 5.97

Secondary star magnitude 7.77

Magnitude difference 1.8

Separation 0.3 arcsec

Distance, Radial Speed, Proper Motion

HR4691 is distant 473.84 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.

Distance (parsec) 145.35

Distance (light year) 473.84

Radial Speed -1 km/s

Proper Motion RA -0.109 arcsec/y

Proper Motion Dec -0.025"/y

Alternative Designations

Henry Draper Catalogue HD107295

SAO Catalogue SAO180695

Hipparcos Catalogue HIP60157

Durchmusterung Catalogue BD-21 3511

Aitken Double Star Catalogue ADS8515

Visibility from Your Location

Today's HR4691 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 112.3° RISE 15:18

Max altitude: 16.2° TRANSIT 19:12

Azimuth: 247.7° SET 23:07

Set Location

Other stars in Corvus