HR2734

Altitude: 3.3° Azimuth: 215.7° Direction: South-West

HR2734 is a variable hypergiant star in the constellation of Canis Major.

HR2734 visual magnitude is 6.12. Because of its reltive faintness, HR2734 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR2734:

Color of HR2734 ⬤

Magnitude of HR2734 6.12

Class Hypergiant

VISIBILITY RIGHT NOW

HR2734 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 3.3°
Azimuth: 215.7°
Direction: South-West

Celestial coordinates and finder chart of HR2734

HR2734 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR2734 are provided in the following table:

Right Ascension J2000 07h 13m 36s

Declination J2000 -27° 21’ 23”

Galactic Longitude 239.81°

Galactic Latitude -7.65°

Constellation Canis Major

The simplified sky map below shows the position of HR2734 in the sky:

Simplified finder chart for HR2734.

Visibility of HR2734 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's HR2734 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 117.4° RISE 12:05

Max altitude: 11.2° TRANSIT 15:22

Azimuth: 242.6° SET 18:39

RIGHT NOW HR2734 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR2734

The image below is a photograph of HR2734 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR2734 is -0.025 arcsec per year in Right Ascension and 0.006 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR2734. The red arrow shows the motion of HR2734 during the next 10000 years (-4.17 arcmin in Right Ascension and 1.00 arcmin in declination);

Distance of HR2734 from the Sun and relative movement

HR2734 is distant 5,174.60 light years from the Sun and it is moving far from the Sun at the speed of 43 kilometers per second.

Distance (parsec) 1,587.30 pc

Distance (light year) 5,174.60 ly

Heliocentric radial velocity 43 km/s

Proper Motion RA -0.025 arcsec/year

Proper Motion Dec 0.006 arcsec/year

Spectral properties of HR2734

HR2734 belongs to spectral class B0 and has a luminosity class of V corresponding to a hypergiant star.

Absolute magnitude -4.88

Spectral Type B0V

Color Index (B-V) -0.23

Temperature of HR2734 14354K

The red dot in the diagram below shows where HR2734 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2734. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2734

Henry Draper Catalogue HD55857

SAO Catalogue SAO173244

Hipparcos Catalogue HIP34924

Durchmusterung Catalogue CD-27 3789

General Catalogue of Variable Stars GY CMa

In Evidence

Other stars in Canis Major