HR2922

Altitude: -1.3° Azimuth: 222.7° Direction: South-West

HR2922 is a multiple main-sequence star in the constellation of Puppis.

HR2922 visual magnitude is 4.64. Because of its moderate brightness, HR2922 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 HR2922:

Color of HR2922 ⬤

Magnitude of HR2922 4.64

Class Main-sequence

VISIBILITY RIGHT NOW

HR2922 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -1.3°
Azimuth: 222.7°
Direction: South-West

Celestial coordinates and finder chart of HR2922

HR2922 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 HR2922 are provided in the following table:

Right Ascension J2000 07h 35m 22s

Declination J2000 -28° 22’ 09”

Galactic Longitude 242.96°

Galactic Latitude -3.87°

Constellation Puppis

The simplified sky map below shows the position of HR2922 in the sky:

Simplified finder chart for HR2922.

Visibility of HR2922 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 HR2922 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: 118.4° RISE 23:09

Max altitude: 10.2° TRANSIT 2:21

Azimuth: 241.6° SET 5:29

Digitized Sky Survey image of HR2922

The image below is a photograph of HR2922 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 HR2922 is -0.074 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 HR2922. The red arrow shows the motion of HR2922 during the next 10000 years (-12.33 arcmin in Right Ascension and -3.17 arcmin in declination);

Distance of HR2922 from the Sun and relative movement

HR2922 is distant 224.83 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

Distance (parsec) 68.97 pc

Distance (light year) 224.83 ly

Heliocentric radial velocity 3 km/s

Proper Motion RA -0.074 arcsec/year

Proper Motion Dec -0.019 arcsec/year

Spectral properties of HR2922

HR2922 belongs to spectral class B8 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 0.45

Spectral Type B8V

Color Index (B-V) -0.11

Temperature of HR2922 11744K

The red dot in the diagram below shows where HR2922 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2922. Attribution: Richard Powell / CC BY-SA

HR2922 star system properties

HR2922 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 HR2922 double sysyem:

Main star magnitude 4.64

Secondary star magnitude 9.14

Magnitude difference 4.5

Separation 38.4 arcsec

Alternative designations of HR2922

Henry Draper Catalogue HD60863

SAO Catalogue SAO174058

Hipparcos Catalogue HIP36917

Durchmusterung Catalogue CD-28 4566

Aitken Double Star Catalogue ADS6205

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In Evidence

Other stars in Puppis