HR4877

Below the horizon. Rise: 17:16 | Tran: 22:21 | Set: 3:29

Alt: -15.76° Az: 272.94° Direction: West

HR4877 is a variable and multiple giant star of spectral class G8 in the constellation of Virgo.

HR4877 visual magnitude is 6.41. Because of its faintness, HR4877 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 HR4877. The red arrow shows the motion of HR4877 during the next 100000 years (-13.33 arcmin in Right Ascension and -10.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 12h 52m 42s

Declination -10° 28’ 33”

Hour Angle 06h 48m 47s

Sidereal Time 19h 41m 29s

J2000

Right Ascension 12h 51m 22s

Declination -10° 20’ 17”

Galactic Coordinates

Galactic Longitude 302.91°

Galactic Latitude 52.53°

Finder Chart

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Finder chart for HR4877.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.41

Class Giant

Absolute magnitude 1.04

Spectral Type G8III

Color Index (B-V) 1.02

Temperature 4695K

The red dot in the diagram below shows where HR4877 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4877. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR4877 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR4877 double sysyem:

Main star magnitude 6.41

Secondary star magnitude 9.71

Magnitude difference 3.3

Separation 30.2 arcsec

Distance, Radial Speed, Proper Motion

HR4877 is distant 385.80 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

Distance (parsec) 118.34

Distance (light year) 385.80

Radial Speed -17 km/s

Proper Motion RA -0.008 arcsec/y

Proper Motion Dec -0.006"/y

Alternative Designations

Henry Draper Catalogue HD111720

SAO Catalogue SAO157550

Hipparcos Catalogue HIP62743

Durchmusterung Catalogue BD-09 3569

General Catalogue of Variable Stars 5994

Aitken Double Star Catalogue ADS8684

Visibility from Your Location

Today's HR4877 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 100.5° RISE 17:16

Max altitude: 28.0° TRANSIT 22:21

Azimuth: 259.5° SET 3:29

Set Location

Other stars in Virgo