HR3878

Below the horizon. Rise: 15:14 | Tran: 18:04 | Set: 20:54

Alt: -47.33° Az: 279.61° Direction: West

HR3878 is a hypergiant star of spectral class B0 in the constellation of Antlia.

HR3878 visual magnitude is 6.45. Because of its faintness, HR3878 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 HR3878. The red arrow shows the motion of HR3878 during the next 10000 years (-5.33 arcmin in Right Ascension and 0.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 09h 46m 29s

Declination -30° 19’ 14”

Hour Angle 08h 37m 04s

Sidereal Time 18h 23m 33s

J2000

Right Ascension 09h 45m 21s

Declination -30° 12’ 10”

Galactic Coordinates

Galactic Longitude 261.83°

Galactic Latitude 17.45°

Finder Chart

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Finder chart for HR3878.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.45

Class Hypergiant

Absolute magnitude -5.59

Spectral Type B0III

Color Index (B-V) -0.13

Temperature 12103K

The red dot in the diagram below shows where HR3878 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3878. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR3878 is distant 8,358.97 light years from the Sun and it is moving far from the Sun at the speed of 33 kilometers per second.

Distance (parsec) 2,564.10

Distance (light year) 8,358.97

Radial Speed 33 km/s

Proper Motion RA -0.032 arcsec/y

Proper Motion Dec 0.001"/y

Alternative Designations

Henry Draper Catalogue HD84567

SAO Catalogue SAO177939

Hipparcos Catalogue HIP47868

Durchmusterung Catalogue CD-29 7758

Visibility from Your Location

Today's HR3878 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 120.3° RISE 15:14

Max altitude: 8.2° TRANSIT 18:04

Azimuth: 239.7° SET 20:54

Set Location

Other stars in Antlia