ο1 Canis Majoris (omicron1 Canis Majoris)

Above the horizon. Rise: 9:26 | Tran: 13:55 | Set: 18:24

Alt: 25.27° Az: 186.53° Direction: South-South-West

ο1 Canis Majoris is a variable supergiant star of spectral class K2 in the constellation of Canis Major.

ο1 Canis Majoris visual magnitude is 3.87. Because of its moderate brightness, ο1 Canis Majoris is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of ο1 Canis Majoris (omicron1 Canis Majoris) star

DSS2 image of ο1 Canis Majoris. The red arrow shows the motion of ο1 Canis Majoris during the next 10000 years (-1.33 arcmin in Right Ascension and 2.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 06h 55m 11s

Declination -24° 13’ 02”

Hour Angle 00h 25m 53s

Sidereal Time 07h 21m 04s

J2000

Right Ascension 06h 54m 07s

Declination -24° 11’ 02”

Galactic Coordinates

Galactic Longitude 234.98°

Galactic Latitude -10.21°

Finder Chart

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Finder chart for ο1 Canis Majoris (omicron1 Canis Majoris).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 3.87

Class Supergiant

Absolute magnitude -5.04

Spectral Type K2I

Color Index (B-V) 1.73

Temperature 3477K

The red dot in the diagram below shows where ο1 Canis Majoris is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of ο1 Canis Majoris. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

ο1 Canis Majoris is distant 1,975.76 light years from the Sun and it is moving far from the Sun at the speed of 36 kilometers per second.

Distance (parsec) 606.06

Distance (light year) 1,975.76

Radial Speed 36 km/s

Proper Motion RA -0.008 arcsec/y

Proper Motion Dec 0.013"/y

Alternative Designations

Bayer designation ο1 Canis Majoris
(omicron1 Canis Majoris)

Flamsteed designation 16 Canis Majoris

Henry Draper Catalogue HD50877

SAO Catalogue SAO172542

Hipparcos Catalogue HIP33152

Durchmusterung Catalogue CD-24 4567

General Catalogue of Variable Stars Omi1 CMa

Visibility from Your Location

Today's ο1 Canis Majoris (omicron1 Canis Majoris) rise, transit and set times from Denver, United States are the following (all times relative to the local timezone America/New_York):

Azimuth: 114.2° RISE 9:26

Max altitude: 25.5° TRANSIT 13:55

Azimuth: 245.8° SET 18:24

Name:	Denver, United States
Latitude:	40° 13' 59.5" N
Longitude:	76° 8' 13.9" W
Timezone:	America/New_York

Set Location

Other stars in Canis Major