HR2378

Below the horizon. Rise: 1:04 | Tran: 8:02 | Set: 15:00

Alt: -20.87° Az: 34.30° Direction: North-East

HR2378 is a double hypergiant star of spectral class K0 in the constellation of Monoceros.

HR2378 visual magnitude is 6.03. Because of its faintness, HR2378 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 HR2378. The red arrow shows the motion of HR2378 during the next 10000 years (1.67 arcmin in Right Ascension and -5.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 06h 33m 46s

Declination +11° 39’ 13”

Hour Angle 14h 10m 05s

Sideral Time 20h 43m 51s

J2000

Right Ascension 06h 32m 23s

Declination +11° 40’ 24”

Galactic Coordinates

Galactic Longitude 200.39°

Galactic Latitude 1.14°

Finder Chart

Simplified finder chart for HR2378.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.03

Class Hypergiant

Absolute magnitude -1.01

Spectral Type K0III

Color Index (B-V) 1.07

Temperature 4581K

The red dot in the diagram below shows where HR2378 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2378. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR2378 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR2378 double sysyem:

Main star magnitude 6.03

Secondary star magnitude 10.23

Magnitude difference 4.2

Separation 31.1 arcsec

Distance, Radial Speed, Proper Motion

HR2378 is distant 833.76 light years from the Sun and it is moving towards the Sun at the speed of 21 kilometers per second.

Distance (parsec) 255.75

Distance (light year) 833.76

Radial Speed -21 km/s

Proper Motion RA 0.01 arcsec/y

Proper Motion Dec -0.031"/y

Alternative Designations

Henry Draper Catalogue HD46178

SAO Catalogue SAO95803

Hipparcos Catalogue HIP31168

Durchmusterung Catalogue BD+11 1213

Aitken Double Star Catalogue ADS5170

Visibility from Your Location

Today's HR2378 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 78.3° RISE 1:04

Max altitude: 50.2° TRANSIT 8:02

Azimuth: 281.7° SET 15:00

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

Location

Other stars in Monoceros