HR4881

Below the horizon. Rise: 10:52 | Tran: 14:13 | Set: 17:34

Alt: -64.84° Az: 345.29° Direction: North-North-West

HR4881 is a hypergiant star of spectral class A0 in the constellation of Hydra.

HR4881 visual magnitude is 6.15. Because of its faintness, HR4881 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 HR4881. The red arrow shows the motion of HR4881 during the next 1000 years (-1.85 arcmin in Right Ascension and 0.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 12h 53m 17s

Declination -26° 52’ 19”

Hour Angle 11h 32m 11s

Sideral Time 00h 25m 29s

J2000

Right Ascension 12h 51m 57s

Declination -26° 44’ 17”

Galactic Coordinates

Galactic Longitude 303.08°

Galactic Latitude 36.13°

Finder Chart

Simplified finder chart for HR4881.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.15

Class Hypergiant

Absolute magnitude 2.25

Spectral Type A0III

Color Index (B-V) 0.23

Temperature 7938K

The red dot in the diagram below shows where HR4881 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4881. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4881 is distant 196.15 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

Distance (parsec) 60.17

Distance (light year) 196.15

Radial Speed -18 km/s

Proper Motion RA -0.111 arcsec/y

Proper Motion Dec 0.04"/y

Alternative Designations

Henry Draper Catalogue HD111786

SAO Catalogue SAO181169

Hipparcos Catalogue HIP62788

Durchmusterung Catalogue CD-26 9369

Visibility from Your Location

Today's HR4881 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 116.9° RISE 10:52

Max altitude: 11.6° TRANSIT 14:13

Azimuth: 243.1° SET 17:34

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

Location

Other stars in Hydra