HR2621

Altitude: -64.6° Azimuth: 44.2° Direction: North-East

HR2621 is a multiple main-sequence star in the constellation of Canis Major.

HR2621 visual magnitude is 6.42. Because of its reltive faintness, HR2621 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 HR2621:

Color of HR2621 ⬤

Magnitude of HR2621 6.42

Class Main-sequence

VISIBILITY RIGHT NOW

HR2621 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -64.6°
Azimuth: 44.2°
Direction: North-East

Celestial coordinates and finder chart of HR2621

HR2621 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 HR2621 are provided in the following table:

Right Ascension J2000 06h 58m 43s

Declination J2000 -30° 59’ 52”

Galactic Longitude 241.72°

Galactic Latitude -12.16°

Constellation Canis Major

The simplified sky map below shows the position of HR2621 in the sky:

Simplified finder chart for HR2621.

Visibility of HR2621 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 HR2621 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: 121.0° RISE 23:05

Max altitude: 7.5° TRANSIT 1:52

Azimuth: 239.0° SET 4:35

Digitized Sky Survey image of HR2621

The image below is a photograph of HR2621 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 HR2621 is 0.004 arcsec per year in Right Ascension and 0.021 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR2621. The red arrow shows the motion of HR2621 during the next 10000 years (0.67 arcmin in Right Ascension and 3.50 arcmin in declination);

Distance of HR2621 from the Sun and relative movement

HR2621 is distant 770.69 light years from the Sun and it is moving far from the Sun at the speed of 14 kilometers per second.

Distance (parsec) 236.41 pc

Distance (light year) 770.69 ly

Heliocentric radial velocity 14 km/s

Proper Motion RA 0.004 arcsec/year

Proper Motion Dec 0.021 arcsec/year

Spectral properties of HR2621

HR2621 belongs to spectral class B3 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude -0.45

Spectral Type B3V

Color Index (B-V) -0.14

Temperature of HR2621 12293K

The red dot in the diagram below shows where HR2621 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2621. Attribution: Richard Powell / CC BY-SA

HR2621 star system properties

HR2621 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR2621 double sysyem:

Main star magnitude 6.42

Secondary star magnitude 9.02

Magnitude difference 2.6

Separation 35 arcsec

Alternative designations of HR2621

Henry Draper Catalogue HD52140

SAO Catalogue SAO197432

Hipparcos Catalogue HIP33591

Durchmusterung Catalogue CD-30 3757

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In Evidence

Other stars in Canis Major