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🌎  Greenwich, United Kingdom [change]

HR2979

HR2979 is a double sub-giant star in the constellation of Volans.

HR2979 visual magnitude is 7.16. Because of its reltive faintness, HR2979 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 HR2979:

7.16
Sub-giant
HR2979 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR2979

HR2979 is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR2979 are provided in the following table:

07h 35m 21s
-74° 16’ 32”
286.11°
-23.14°
Volans

The simplified sky map below shows the position of HR2979 in the sky:

Finder chart HR2979 star
Simplified finder chart for HR2979.

Visibility of HR2979 from your location

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

HR2979 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR2979

The image below is a photograph of HR2979 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 HR2979 is -0.007 arcsec per year in Right Ascension and 0.009 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR2979 star
DSS2 image of HR2979. The red arrow shows the motion of HR2979 during the next 100000 years (-11.67 arcmin in Right Ascension and 15.00 arcmin in declination);

Distance of HR2979 from the Sun and relative movement

HR2979 is distant 958.82 light years from the Sun and it is moving far from the Sun at the speed of 13 kilometers per second.

294.12 pc
958.82 ly
13 km/s
-0.007 arcsec/year
0.009 arcsec/year

Spectral properties of HR2979

HR2979 belongs to spectral class B9 and has a luminosity class of IV corresponding to a sub-giant star.

-0.18
B9IV
10382K

The red dot in the diagram below shows where HR2979 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR2979. Attribution: Richard Powell / CC BY-SA

HR2979 star system properties

HR2979 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR2979 double sysyem:

7.16
7.26
0.1
1.8 arcsec

Alternative designations of HR2979

SAO256428
SAO256428