HR1881

Below the horizon. Rise: 3:14 | Tran: 5:05 | Set: 6:56

Alt: -3.44° Az: 148.21° Direction: South-South-East

HR1881 is a variable hypergiant star of spectral class K0 in the constellation of Columba.

HR1881 visual magnitude is 5.78. Because of its faintness, HR1881 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 HR1881. The red arrow shows the motion of HR1881 during the next 1000 years (1.62 arcmin in Right Ascension and -0.68 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 05h 34m 00s

Declination -35° 07’ 25”

Hour Angle 21h 19m 58s

Sidereal Time 02h 53m 59s

J2000

Right Ascension 05h 33m 07s

Declination -35° 08’ 22”

Galactic Coordinates

Galactic Longitude 239.62°

Galactic Latitude -30.42°

Finder Chart

Simplified finder chart for HR1881.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.78

Class Hypergiant

Absolute magnitude 1.13

Spectral Type K0III

Color Index (B-V) 1.07

Temperature 4581K

The red dot in the diagram below shows where HR1881 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1881. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR1881 is distant 277.68 light years from the Sun and it is moving far from the Sun at the speed of 15 kilometers per second.

Distance (parsec) 85.18

Distance (light year) 277.68

Radial Speed 15 km/s

Proper Motion RA 0.097 arcsec/y

Proper Motion Dec -0.041"/y

Alternative Designations

Henry Draper Catalogue HD36874

SAO Catalogue SAO195952

Hipparcos Catalogue HIP26019

Durchmusterung Catalogue CD-35 2367

General Catalogue of Variable Stars 2158

Visibility from Your Location

Today's HR1881 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 125.1° RISE 3:14

Max altitude: 3.4° TRANSIT 5:05

Azimuth: 234.9° SET 6:56

Set Location

Other stars in Columba