HR3078

HR3078 is a variable sub-giant star in the constellation of Puppis.

HR3078 visual magnitude is 6.04. Because of its reltive faintness, HR3078 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 HR3078:

Color of HR3078 ⬤

Magnitude of HR3078 6.04

Class Sub-giant

VISIBILITY RIGHT NOW HR3078 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR3078

HR3078 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 HR3078 are provided in the following table:

Right Ascension J2000 07h 51m 40s

Declination J2000 -42° 53’ 17”

Galactic Longitude 257.32°

Galactic Latitude -8.1°

Constellation Puppis

The simplified sky map below shows the position of HR3078 in the sky:

Simplified finder chart for HR3078.

Visibility of HR3078 from your location

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

HR3078 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR3078

The image below is a photograph of HR3078 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 HR3078 is -0.016 arcsec per year in Right Ascension and 0.004 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR3078. The red arrow shows the motion of HR3078 during the next 10000 years (-2.67 arcmin in Right Ascension and 0.67 arcmin in declination);

Distance of HR3078 from the Sun and relative movement

HR3078 is distant 1,762.16 light years from the Sun and it is moving far from the Sun at the speed of 32 kilometers per second.

Distance (parsec) 540.54 pc

Distance (light year) 1,762.16 ly

Heliocentric radial velocity 32 km/s

Proper Motion RA -0.016 arcsec/year

Proper Motion Dec 0.004 arcsec/year

Spectral properties of HR3078

HR3078 belongs to spectral class B2 and has a luminosity class of IV corresponding to a sub-giant star.

Absolute magnitude -2.62

Spectral Type B2IV

Color Index (B-V) -0.18

Temperature of HR3078 13121K

The red dot in the diagram below shows where HR3078 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3078. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3078

Henry Draper Catalogue HD64365

SAO Catalogue SAO219076

Hipparcos Catalogue HIP38370

Durchmusterung Catalogue CD-42 3610

General Catalogue of Variable Stars QU Pup

In Evidence

Other stars in Puppis