21 Virginis

Above the horizon. Rise: 16:30 | Tran: 21:40 | Set: 2:53

Alt: 12.90° Az: 124.22° Direction: South-East

21 Virginis is a hypergiant star of spectral class A0 in the constellation of Virgo.

21 Virginis visual magnitude is 5.48. Because of its faintness, 21 Virginis 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 21 Virginis. The red arrow shows the motion of 21 Virginis during the next 10000 years (-13.33 arcmin in Right Ascension and 1.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 12h 35m 05s

Declination -09° 35’ 29”

Hour Angle 20h 20m 40s

Sidereal Time 08h 55m 45s

J2000

Right Ascension 12h 33m 46s

Declination -09° 27’ 06”

Galactic Coordinates

Galactic Longitude 295.66°

Galactic Latitude 53.17°

Finder Chart

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Finder chart for 21 Virginis.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.48

Class Hypergiant

Absolute magnitude 0.96

Spectral Type A0V

Color Index (B-V) -0.03

Temperature 10516K

The red dot in the diagram below shows where 21 Virginis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 21 Virginis. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

21 Virginis is distant 261.43 light years from the Sun and it is moving towards the Sun at the speed of 11 kilometers per second.

Distance (parsec) 80.19

Distance (light year) 261.43

Radial Speed -11 km/s

Proper Motion RA -0.08 arcsec/y

Proper Motion Dec 0.007"/y

Alternative Designations

Flamsteed designation 21 Virginis

Henry Draper Catalogue HD109309

SAO Catalogue SAO138845

Hipparcos Catalogue HIP61318

Durchmusterung Catalogue BD-08 3372

Visibility from Your Location

Today's 21 Virginis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 99.6° RISE 16:30

Max altitude: 28.9° TRANSIT 21:40

Azimuth: 260.4° SET 2:53

Set Location

Other stars in Virgo