HR2579

HR2579 is a double main-sequence star in the constellation of Puppis.

HR2579 visual magnitude is 6.46. Because of its reltive faintness, HR2579 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 HR2579:

Color of HR2579 ⬤

Magnitude of HR2579 6.46

Class Main-sequence

VISIBILITY RIGHT NOW HR2579 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR2579

HR2579 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 HR2579 are provided in the following table:

Right Ascension J2000 06h 52m 47s

Declination J2000 -43° 58’ 32”

Galactic Longitude 253.67°

Galactic Latitude -18.23°

Constellation Puppis

The simplified sky map below shows the position of HR2579 in the sky:

Simplified finder chart for HR2579.

Visibility of HR2579 from your location

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

HR2579 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR2579

The image below is a photograph of HR2579 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 HR2579 is -0.005 arcsec per year in Right Ascension and 0.001 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of HR2579. The red arrow shows the motion of HR2579 during the next 100000 years (-8.33 arcmin in Right Ascension and 1.67 arcmin in declination);

Distance of HR2579 from the Sun and relative movement

HR2579 is distant 423.93 light years from the Sun and it is moving far from the Sun at the speed of 26 kilometers per second.

Distance (parsec) 130.04 pc

Distance (light year) 423.93 ly

Heliocentric radial velocity 26 km/s

Proper Motion RA -0.005 arcsec/year

Proper Motion Dec 0.001 arcsec/year

Spectral properties of HR2579

HR2579 belongs to spectral class B8 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 0.89

Spectral Type B8V

Color Index (B-V) -0.1

Temperature of HR2579 11573K

The red dot in the diagram below shows where HR2579 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2579. Attribution: Richard Powell / CC BY-SA

HR2579 star system properties

HR2579 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 HR2579 double sysyem:

Main star magnitude 6.46

Secondary star magnitude 12.46

Magnitude difference 6

Separation 10 arcsec

Alternative designations of HR2579

Henry Draper Catalogue HD50860

SAO Catalogue SAO218278

Hipparcos Catalogue HIP33015

Durchmusterung Catalogue CD-43 2756

In Evidence

Other stars in Puppis