HR2948

HR2948 is a variable and multiple main-sequence star in the constellation of Puppis.

HR2948 visual magnitude is 4.5. Because of its moderate brightness, HR2948 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 HR2948:

Color of HR2948 ⬤

Magnitude of HR2948 4.5

Class Main-sequence

VISIBILITY RIGHT NOW HR2948 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR2948

HR2948 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 HR2948 are provided in the following table:

Right Ascension J2000 07h 38m 49s

Declination J2000 -26° 48’ 06”

Galactic Longitude 241.96°

Galactic Latitude -2.44°

Constellation Puppis

The simplified sky map below shows the position of HR2948 in the sky:

Simplified finder chart for HR2948.

Visibility of HR2948 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 HR2948 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: 116.8° RISE 12:53

Max altitude: 11.7° TRANSIT 16:15

Azimuth: 243.2° SET 19:36

RIGHT NOW HR2948 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR2948

The image below is a photograph of HR2948 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 HR2948 is -0.017 arcsec per year in Right Ascension and 0.019 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR2948. The red arrow shows the motion of HR2948 during the next 10000 years (-2.83 arcmin in Right Ascension and 3.17 arcmin in declination);

Distance of HR2948 from the Sun and relative movement

HR2948 is distant 454.04 light years from the Sun and it is moving far from the Sun at the speed of 24 kilometers per second.

Distance (parsec) 139.28 pc

Distance (light year) 454.04 ly

Heliocentric radial velocity 24 km/s

Proper Motion RA -0.017 arcsec/year

Proper Motion Dec 0.019 arcsec/year

Spectral properties of HR2948

HR2948 belongs to spectral class B6 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude -1.22

Spectral Type B6V

Color Index (B-V) -0.17

Temperature of HR2948 12902K

The red dot in the diagram below shows where HR2948 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2948. Attribution: Richard Powell / CC BY-SA

HR2948 star system properties

HR2948 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 HR2948 double sysyem:

Main star magnitude 4.5

Secondary star magnitude 4.7

Magnitude difference 0.2

Separation 9.9 arcsec

Alternative designations of HR2948

Henry Draper Catalogue HD61555

SAO Catalogue SAO174198

Hipparcos Catalogue HIP37229

Durchmusterung Catalogue CD-26 4707

General Catalogue of Variable Stars 3673

Aitken Double Star Catalogue ADS6255

In Evidence

Other stars in Puppis