HR2678

Above the horizon. Rise: 3:16 | Tran: 8:17 | Set: 13:17

Alt: 19.67° Az: 141.63° Direction: South-East

HR2678 is a variable and multiple hypergiant star of spectral class B0 in the constellation of Canis Major.

HR2678 visual magnitude is 5.39. Because of its faintness, HR2678 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 HR2678. The red arrow shows the motion of HR2678 during the next 10000 years (-1.83 arcmin in Right Ascension and -0.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 07h 07m 50s

Declination -11° 20’ 02”

Hour Angle 21h 33m 37s

Sideral Time 04h 41m 28s

J2000

Right Ascension 07h 06m 40s

Declination -11° 17’ 39”

Galactic Coordinates

Galactic Longitude 224.71°

Galactic Latitude -1.79°

Finder Chart

Simplified finder chart for HR2678.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.39

Class Hypergiant

Absolute magnitude -4.31

Spectral Type B0IV

Color Index (B-V) 0.05

Temperature 9542K

The red dot in the diagram below shows where HR2678 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2678. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR2678 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR2678 double sysyem:

Main star magnitude 5.39

Secondary star magnitude 6.69

Magnitude difference 1.3

Separation 0.5 arcsec

Distance, Radial Speed, Proper Motion

HR2678 is distant 2,834.78 light years from the Sun and it is moving far from the Sun at the speed of 31 kilometers per second.

Distance (parsec) 869.57

Distance (light year) 2,834.78

Radial Speed 31 km/s

Proper Motion RA -0.011 arcsec/y

Proper Motion Dec -0.005"/y

Alternative Designations

Henry Draper Catalogue HD53974

SAO Catalogue SAO152394

Hipparcos Catalogue HIP34301

Durchmusterung Catalogue BD-11 1790

General Catalogue of Variable Stars FN CMa

Aitken Double Star Catalogue ADS5795

Visibility from Your Location

Today's HR2678 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 101.3° RISE 3:16

Max altitude: 27.2° TRANSIT 8:17

Azimuth: 258.7° SET 13:17

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

Location

Other stars in Canis Major