73 Virginis

Below the horizon. Rise: 18:09 | Tran: 22:26 | Set: 2:47

Alt: -13.61° Az: 103.29° Direction: East-South-East

73 Virginis is a variable and double hypergiant star of spectral class F0 in the constellation of Virgo.

73 Virginis visual magnitude is 6.01. Because of its faintness, 73 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 73 Virginis. The red arrow shows the motion of 73 Virginis during the next 1000 years (-1.65 arcmin in Right Ascension and -0.23 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 13h 33m 25s

Declination -18° 51’ 31”

Hour Angle 18h 06m 51s

Sidereal Time 07h 40m 17s

J2000

Right Ascension 13h 32m 02s

Declination -18° 43’ 44”

Galactic Coordinates

Galactic Longitude 316.15°

Galactic Latitude 43.1°

Finder Chart

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Finder chart for 73 Virginis.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.01

Class Hypergiant

Absolute magnitude 1.73

Spectral Type F0IV

Color Index (B-V) 0.18

Temperature 8321K

The red dot in the diagram below shows where 73 Virginis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 73 Virginis. Attribution: Richard Powell / CC BY-SA

Star System Properties

73 Virginis 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 73 Virginis double sysyem:

Main star magnitude 6.01

Secondary star magnitude 6.21

Magnitude difference 0.2

Separation 0.1 arcsec

Distance, Radial Speed, Proper Motion

73 Virginis is distant 233.86 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

Distance (parsec) 71.74

Distance (light year) 233.86

Radial Speed -18 km/s

Proper Motion RA -0.099 arcsec/y

Proper Motion Dec -0.014"/y

Alternative Designations

Flamsteed designation 73 Virginis

Henry Draper Catalogue HD117661

SAO Catalogue SAO157987

Hipparcos Catalogue HIP66015

Durchmusterung Catalogue BD-17 3877

FK5 Catalogue 3078

General Catalogue of Variable Stars HX Vir

Visibility from Your Location

Today's 73 Virginis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 108.9° RISE 18:09

Max altitude: 19.7° TRANSIT 22:26

Azimuth: 251.1° SET 2:47

Set Location

Other stars in Virgo