HR2921 is a variable and multiple main-sequence star in the constellation of Puppis.
HR2921 visual magnitude is 5.7. Because of its reltive faintness, HR2921 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 HR2921:
HR2921 is below the horizon from Greenwich, United Kingdom .
Celestial coordinates and finder chart of HR2921
HR2921 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 HR2921 are provided in the following table:
The simplified sky map below shows the position of HR2921 in the sky:
Visibility of HR2921 from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Today's HR2921 rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):
Digitized Sky Survey image of HR2921
The image below is a photograph of HR2921 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 HR2921 is -0.01 arcsec per year in Right Ascension and 0.003 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR2921 from the Sun and relative movement
HR2921 is distant 1,654.82 light years from the Sun and it is moving far from the Sun at the speed of 21 kilometers per second.
Spectral properties of HR2921
HR2921 belongs to spectral class B2 and has a luminosity class of V corresponding to a main-sequence star.
The red dot in the diagram below shows where HR2921 is situated in the Hertzsprung–Russell diagram.
HR2921 star system properties
HR2921 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 HR2921 double sysyem: