HR4857

Below the horizon. Rise: 14:11 | Tran: 18:49 | Set: 23:27

Alt: -37.45° Az: 264.47° Direction: West

HR4857 is a giant star of spectral class B8 in the constellation of Hydra.

HR4857 visual magnitude is 6.44. Because of its faintness, HR4857 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 HR4857. The red arrow shows the motion of HR4857 during the next 10000 years (-6.83 arcmin in Right Ascension and 6.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 12h 49m 15s

Declination -24° 59’ 25”

Hour Angle 07h 57m 19s

Sidereal Time 20h 46m 35s

J2000

Right Ascension 12h 47m 53s

Declination -24° 51’ 06”

Galactic Coordinates

Galactic Longitude 301.91°

Galactic Latitude 38.01°

Finder Chart

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Finder chart for HR4857.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.44

Class Giant

Absolute magnitude -0.65

Spectral Type B8III

Color Index (B-V) -0.06

Temperature 10941K

The red dot in the diagram below shows where HR4857 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4857. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4857 is distant 853.40 light years from the Sun and it is moving far from the Sun at the speed of 49 kilometers per second.

Distance (parsec) 261.78

Distance (light year) 853.40

Radial Speed 49 km/s

Proper Motion RA -0.041 arcsec/y

Proper Motion Dec 0.04"/y

Alternative Designations

Henry Draper Catalogue HD111226

SAO Catalogue SAO181105

Hipparcos Catalogue HIP62448

Durchmusterung Catalogue CD-2410540

FK5 Catalogue 1329

Visibility from Your Location

Today's HR4857 rise, transit and set times from Kremastí, Grecia are the following (all times relative to the local timezone Europe/Athens):

Azimuth: 115.0° RISE 14:11

Max altitude: 28.6° TRANSIT 18:49

Azimuth: 245.0° SET 23:27

Name:	Kremastí, Grecia
Latitude:	36° 24' 40.0" N
Longitude:	28° 7' 8.0" E
Timezone:	Europe/Athens

Set Location

Other stars in Hydra