HR2730

HR2730 is a variable giant star in the constellation of Canis Major.

HR2730 visual magnitude is 6.01. Because of its reltive faintness, HR2730 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 HR2730:

Color of HR2730 ⬤

Magnitude of HR2730 6.01

Class Giant

VISIBILITY RIGHT NOW HR2730 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR2730

HR2730 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR2730 are provided in the following table:

Right Ascension J2000 07h 13m 23s

Declination J2000 -22° 40’ 23”

Galactic Longitude 235.58°

Galactic Latitude -5.58°

Constellation Canis Major

The simplified sky map below shows the position of HR2730 in the sky:

Simplified finder chart for HR2730.

Visibility of HR2730 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 HR2730 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: 112.7° RISE 11:57

Max altitude: 15.8° TRANSIT 15:49

Azimuth: 247.3° SET 19:41

RIGHT NOW HR2730 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR2730

The image below is a photograph of HR2730 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 HR2730 is 0.006 arcsec per year in Right Ascension and -0.008 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of HR2730. The red arrow shows the motion of HR2730 during the next 100000 years (10.00 arcmin in Right Ascension and -13.33 arcmin in declination);

Distance of HR2730 from the Sun and relative movement

HR2730 is distant 779.90 light years from the Sun and it is moving towards the Sun at the speed of 5 kilometers per second.

Distance (parsec) 239.23 pc

Distance (light year) 779.90 ly

Heliocentric radial velocity -5 km/s

Proper Motion RA 0.006 arcsec/year

Proper Motion Dec -0.008 arcsec/year

Spectral properties of HR2730

HR2730 belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -0.88

Spectral Type K2III

Color Index (B-V) 1.48

Temperature of HR2730 3824K

The red dot in the diagram below shows where HR2730 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2730. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2730

Henry Draper Catalogue HD55762

SAO Catalogue SAO173230

Hipparcos Catalogue HIP34914

Durchmusterung Catalogue BD-22 1756

General Catalogue of Variable Stars 3467

In Evidence

Other stars in Canis Major