HR4807

Above the horizon. Rise: 15:22 | Tran: 21:28 | Set: 3:39

Alt: 32.69° Az: 221.48° Direction: South-West

HR4807 is a variable giant star of spectral class M3 in the constellation of Virgo.

HR4807 visual magnitude is 5.71. Because of its faintness, HR4807 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 HR4807. The red arrow shows the motion of HR4807 during the next 10000 years (-13.33 arcmin in Right Ascension and -3.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 12h 39m 40s

Declination +01° 42’ 55”

Hour Angle 02h 15m 34s

Sidereal Time 14h 55m 14s

J2000

Right Ascension 12h 38m 22s

Declination +01° 51’ 16”

Galactic Coordinates

Galactic Longitude 295.32°

Galactic Latitude 64.53°

Finder Chart

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Finder chart for HR4807.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.71

Class Giant

Absolute magnitude -0.22

Spectral Type M3III

Color Index (B-V) 1.6

Temperature 3649K

The red dot in the diagram below shows where HR4807 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4807. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4807 is distant 500.77 light years from the Sun and it is moving towards the Sun at the speed of 16 kilometers per second.

Distance (parsec) 153.61

Distance (light year) 500.77

Radial Speed -16 km/s

Proper Motion RA -0.08 arcsec/y

Proper Motion Dec -0.018"/y

Alternative Designations

Henry Draper Catalogue HD109896

SAO Catalogue SAO119508

Hipparcos Catalogue HIP61658

Durchmusterung Catalogue BD+02 2560

FK5 Catalogue 3009

General Catalogue of Variable Stars FW Vir

Visibility from Your Location

Today's HR4807 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 88.3° RISE 15:22

Max altitude: 40.2° TRANSIT 21:28

Azimuth: 271.7° SET 3:39

Set Location

Other stars in Virgo