HR2874

HR2874 is a double supergiant star in the constellation of Puppis.

HR2874 visual magnitude is 4.85. Because of its moderate brightness, HR2874 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 HR2874:

Color of HR2874 ⬤

Magnitude of HR2874 4.85

Class Supergiant

VISIBILITY RIGHT NOW HR2874 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR2874

HR2874 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR2874 are provided in the following table:

Right Ascension J2000 07h 29m 51s

Declination J2000 -23° 01’ 27”

Galactic Longitude 237.67°

Galactic Latitude -2.39°

Constellation Puppis

The simplified sky map below shows the position of HR2874 in the sky:

Simplified finder chart for HR2874.

Visibility of HR2874 from your location

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

Today's HR2874 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 113.0° RISE 12:16

Max altitude: 15.5° TRANSIT 16:06

Azimuth: 247.0° SET 19:55

RIGHT NOW HR2874 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR2874

The image below is a photograph of HR2874 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 HR2874 is -0.004 arcsec per year in Right Ascension and -0.006 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of HR2874. The red arrow shows the motion of HR2874 during the next 100000 years (-6.67 arcmin in Right Ascension and -10.00 arcmin in declination);

Distance of HR2874 from the Sun and relative movement

HR2874 is distant 3,227.72 light years from the Sun and it is moving far from the Sun at the speed of 37 kilometers per second.

Distance (parsec) 990.10 pc

Distance (light year) 3,227.72 ly

Heliocentric radial velocity 37 km/s

Proper Motion RA -0.004 arcsec/year

Proper Motion Dec -0.006 arcsec/year

Spectral properties of HR2874

HR2874 belongs to spectral class A5 and has a luminosity class of I corresponding to a supergiant star.

Absolute magnitude -5.13

Spectral Type A5I

Color Index (B-V) 0.23

Temperature of HR2874 7938K

The red dot in the diagram below shows where HR2874 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2874. Attribution: Richard Powell / CC BY-SA

HR2874 star system properties

HR2874 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR2874 double sysyem:

Main star magnitude 4.85

Secondary star magnitude 10.75

Magnitude difference 5.9

Separation 3 arcsec

Alternative designations of HR2874

Henry Draper Catalogue HD59612

SAO Catalogue SAO173864

Hipparcos Catalogue HIP36431

Durchmusterung Catalogue BD-22 1897

In Evidence

Other stars in Puppis