HR2800

Altitude: -1.5° Azimuth: 134.0° Direction: South-East

HR2800 is a variable and double main-sequence star in the constellation of Canis Major.

HR2800 visual magnitude is 6.01. Because of its reltive faintness, HR2800 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 HR2800:

Color of HR2800 ⬤

Magnitude of HR2800 6.01

Class Main-sequence

VISIBILITY RIGHT NOW

HR2800 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -1.5°
Azimuth: 134.0°
Direction: South-East

Celestial coordinates and finder chart of HR2800

HR2800 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 HR2800 are provided in the following table:

Right Ascension J2000 07h 20m 54s

Declination J2000 -26° 57’ 48”

Galactic Longitude 240.2°

Galactic Latitude -6.03°

Constellation Canis Major

The simplified sky map below shows the position of HR2800 in the sky:

Simplified finder chart for HR2800.

Visibility of HR2800 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 HR2800 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: 117.0° RISE 23:10

Max altitude: 11.6° TRANSIT 2:34

Azimuth: 243.0° SET 5:54

Digitized Sky Survey image of HR2800

The image below is a photograph of HR2800 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 HR2800 is 0.01 arcsec per year in Right Ascension and 0.019 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR2800. The red arrow shows the motion of HR2800 during the next 10000 years (1.67 arcmin in Right Ascension and 3.17 arcmin in declination);

Distance of HR2800 from the Sun and relative movement

HR2800 is distant 1,801.10 light years from the Sun and it is moving far from the Sun at the speed of 18 kilometers per second.

Distance (parsec) 552.49 pc

Distance (light year) 1,801.10 ly

Heliocentric radial velocity 18 km/s

Proper Motion RA 0.01 arcsec/year

Proper Motion Dec 0.019 arcsec/year

Spectral properties of HR2800

HR2800 belongs to spectral class B2 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude -2.70

Spectral Type B2V

Color Index (B-V) -0.17

Temperature of HR2800 12902K

The red dot in the diagram below shows where HR2800 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2800. Attribution: Richard Powell / CC BY-SA

HR2800 star system properties

HR2800 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 HR2800 double sysyem:

Main star magnitude 6.01

Secondary star magnitude 13.21

Magnitude difference 7.2

Separation 8.2 arcsec

Alternative designations of HR2800

Henry Draper Catalogue HD57593

SAO Catalogue SAO173522

Hipparcos Catalogue HIP35611

Durchmusterung Catalogue CD-26 4223

General Catalogue of Variable Stars HQ CMa

Aitken Double Star Catalogue ADS6015

Support us

In Evidence

Other stars in Canis Major