Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
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All Constellations » Puppis » 

HR2984

HR2984 is a sub-giant star in the constellation of Puppis.

HR2984 visual magnitude is 6.41. Because of its reltive faintness, HR2984 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 HR2984:

6.41
Sub-giant
HR2984 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR2984

HR2984 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 HR2984 are provided in the following table:

07h 41m 21s
-44° 37’ 55”
257.96°
-10.57°
Puppis

The simplified sky map below shows the position of HR2984 in the sky:

Finder chart HR2984 star
Simplified finder chart for HR2984.

Visibility of HR2984 from your location

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

HR2984 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR2984

The image below is a photograph of HR2984 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 HR2984 is 0.01 arcsec per year in Right Ascension and 0 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2984 star
DSS2 image of HR2984. The red arrow shows the motion of HR2984 during the next 10000 years (1.67 arcmin in Right Ascension and 0.00 arcmin in declination);

Distance of HR2984 from the Sun and relative movement

HR2984 is distant 1,139.86 light years from the Sun and it is moving far from the Sun at the speed of 27 kilometers per second.

349.65 pc
1,139.86 ly
27 km/s
0.01 arcsec/year

Spectral properties of HR2984

HR2984 belongs to spectral class B7 and has a luminosity class of IV corresponding to a sub-giant star.

-1.31
B7IV
10125K

The red dot in the diagram below shows where HR2984 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR2984. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2984

SAO218905
SAO218905