HR2957

HR2957 is a variable supergiant star in the constellation of Puppis.

HR2957 visual magnitude is 5.68. Because of its reltive faintness, HR2957 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 HR2957:

Color of HR2957 ⬤

Magnitude of HR2957 5.68

Class Supergiant

VISIBILITY RIGHT NOW HR2957 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR2957

HR2957 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 HR2957 are provided in the following table:

Right Ascension J2000 07h 38m 18s

Declination J2000 -48° 36’ 03”

Galactic Longitude 261.31°

Galactic Latitude -12.86°

Constellation Puppis

The simplified sky map below shows the position of HR2957 in the sky:

Simplified finder chart for HR2957.

Visibility of HR2957 from your location

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

HR2957 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR2957

The image below is a photograph of HR2957 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 HR2957 is 0.002 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 HR2957. The red arrow shows the motion of HR2957 during the next 100000 years (3.33 arcmin in Right Ascension and 13.33 arcmin in declination);

Distance of HR2957 from the Sun and relative movement

HR2957 is distant 5,015.38 light years from the Sun and it is moving far from the Sun at the speed of 11 kilometers per second.

Distance (parsec) 1,538.46 pc

Distance (light year) 5,015.38 ly

Heliocentric radial velocity 11 km/s

Proper Motion RA 0.002 arcsec/year

Proper Motion Dec 0.008 arcsec/year

Spectral properties of HR2957

HR2957 belongs to spectral class F4 and has a luminosity class of I corresponding to a supergiant star.

Absolute magnitude -5.26

Spectral Type F4I

Color Index (B-V) 0.65

Temperature of HR2957 5778K

The red dot in the diagram below shows where HR2957 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2957. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2957

Henry Draper Catalogue HD61715

SAO Catalogue SAO218852

Hipparcos Catalogue HIP37174

Durchmusterung Catalogue CD-48 3091

General Catalogue of Variable Stars MY Pup

In Evidence

Other stars in Puppis