HR3057

HR3057 is a hypergiant star in the constellation of Puppis.

HR3057 visual magnitude is 6.32. Because of its reltive faintness, HR3057 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 HR3057:

Color of HR3057 ⬤

Magnitude of HR3057 6.32

Class Hypergiant

VISIBILITY RIGHT NOW HR3057 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR3057

HR3057 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 HR3057 are provided in the following table:

Right Ascension J2000 07h 49m 28s

Declination J2000 -44° 45’ 06”

Galactic Longitude 258.76°

Galactic Latitude -9.36°

Constellation Puppis

The simplified sky map below shows the position of HR3057 in the sky:

Simplified finder chart for HR3057.

Visibility of HR3057 from your location

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

HR3057 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR3057

The image below is a photograph of HR3057 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 HR3057 is -0.048 arcsec per year in Right Ascension and 0.003 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR3057. The red arrow shows the motion of HR3057 during the next 10000 years (-8.00 arcmin in Right Ascension and 0.50 arcmin in declination);

Distance of HR3057 from the Sun and relative movement

HR3057 is distant 329.29 light years from the Sun and it is moving far from the Sun at the speed of 32 kilometers per second.

Distance (parsec) 101.01 pc

Distance (light year) 329.29 ly

Heliocentric radial velocity 32 km/s

Proper Motion RA -0.048 arcsec/year

Proper Motion Dec 0.003 arcsec/year

Spectral properties of HR3057

HR3057 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.

Absolute magnitude 1.30

Spectral Type K0III

Color Index (B-V) 0.96

Temperature of HR3057 4841K

The red dot in the diagram below shows where HR3057 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3057. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3057

Henry Draper Catalogue HD63948

SAO Catalogue SAO219040

Hipparcos Catalogue HIP38183

Durchmusterung Catalogue CD-44 3762

In Evidence

Other stars in Puppis