HR2746

Altitude: -74.4° Azimuth: 285.3° Direction: West-North-West

HR2746 is a variable hypergiant star in the constellation of Puppis.

HR2746 visual magnitude is 4.89. Because of its moderate brightness, HR2746 should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about HR2746:

Color of HR2746 ⬤

Magnitude of HR2746 4.89

Class Hypergiant

VISIBILITY RIGHT NOW

HR2746 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -74.4°
Azimuth: 285.3°
Direction: West-North-West

Celestial coordinates and finder chart of HR2746

HR2746 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 HR2746 are provided in the following table:

Right Ascension J2000 07h 13m 13s

Declination J2000 -45° 10’ 59”

Galactic Longitude 256.26°

Galactic Latitude -15.3°

Constellation Puppis

The simplified sky map below shows the position of HR2746 in the sky:

Simplified finder chart for HR2746.

Visibility of HR2746 from your location

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

HR2746 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR2746

The image below is a photograph of HR2746 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 HR2746 is -0.019 arcsec per year in Right Ascension and -0.099 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

DSS2 image of HR2746. The red arrow shows the motion of HR2746 during the next 1000 years (-0.32 arcmin in Right Ascension and -1.65 arcmin in declination);

Distance of HR2746 from the Sun and relative movement

HR2746 is distant 181.41 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

Distance (parsec) 55.65 pc

Distance (light year) 181.41 ly

Heliocentric radial velocity 4 km/s

Proper Motion RA -0.019 arcsec/year

Proper Motion Dec -0.099 arcsec/year

Spectral properties of HR2746

HR2746 belongs to spectral class A0 HR2746 is also a Si chemically peculiar star.

Absolute magnitude 1.16

Spectral Type A0

Color Index (B-V) -0.02

Temperature of HR2746 10382K

The red dot in the diagram below shows where HR2746 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2746. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2746

Henry Draper Catalogue HD56022

SAO Catalogue SAO218546

Hipparcos Catalogue HIP34899

Durchmusterung Catalogue CD-44 3223

General Catalogue of Variable Stars OU Pup

In Evidence

Other stars in Puppis