HR4758

Below the horizon. Rise: 16:48 | Tran: 21:36 | Set: 2:28

Alt: -19.81° Az: 86.96° Direction: East

HR4758 is a multiple hypergiant star of spectral class G0 in the constellation of Corvus.

HR4758 visual magnitude is 6.35. Because of its faintness, HR4758 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 HR4758. The red arrow shows the motion of HR4758 during the next 1000 years (-4.13 arcmin in Right Ascension and -0.68 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 12h 31m 23s

Declination -13° 31’ 59”

Hour Angle 17h 00m 22s

Sidereal Time 05h 31m 46s

J2000

Right Ascension 12h 30m 04s

Declination -13° 23’ 35”

Galactic Coordinates

Galactic Longitude 294.98°

Galactic Latitude 49.15°

Finder Chart

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Finder chart for HR4758.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.35

Class Hypergiant

Absolute magnitude 4.36

Spectral Type G0V

Color Index (B-V) 0.56

Temperature 6129K

The red dot in the diagram below shows where HR4758 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4758. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR4758 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR4758 double sysyem:

Main star magnitude 6.35

Secondary star magnitude 9.05

Magnitude difference 2.7

Separation 1.5 arcsec

Distance, Radial Speed, Proper Motion

HR4758 is distant 81.44 light years from the Sun

Distance (parsec) 24.98

Distance (light year) 81.44

Proper Motion RA -0.248 arcsec/y

Proper Motion Dec -0.041"/y

Alternative Designations

Henry Draper Catalogue HD108799

SAO Catalogue SAO157326

Hipparcos Catalogue HIP60994

Durchmusterung Catalogue BD-12 3647

Gliese Catalogue Gl 469.2A

Aitken Double Star Catalogue ADS8573

Visibility from Your Location

Today's HR4758 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 103.5° RISE 16:48

Max altitude: 25.0° TRANSIT 21:36

Azimuth: 256.5° SET 2:28

Set Location

Other stars in Corvus