Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:52  
clear_day Transit: 12:55  
SunsetSet: 20:59 south
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All Constellations » Puppis » 

HR2907

HR2907 is a sub-giant star in the constellation of Puppis.

HR2907 visual magnitude is 6.26. Because of its reltive faintness, HR2907 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 HR2907:

6.26
Sub-giant
HR2907 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR2907

HR2907 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 HR2907 are provided in the following table:

07h 33m 13s
-40° 03’ 32”
253.13°
-9.78°
Puppis

The simplified sky map below shows the position of HR2907 in the sky:

Finder chart HR2907 star
Simplified finder chart for HR2907.

Visibility of HR2907 from your location

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

HR2907 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR2907

The image below is a photograph of HR2907 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 HR2907 is 0.02 arcsec per year in Right Ascension and -0.01 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2907 star
DSS2 image of HR2907. The red arrow shows the motion of HR2907 during the next 10000 years (3.33 arcmin in Right Ascension and -1.67 arcmin in declination);

Distance of HR2907 from the Sun and relative movement

HR2907 is distant 672.16 light years from the Sun and it is moving far from the Sun at the speed of 14 kilometers per second.

206.19 pc
672.16 ly
14 km/s
0.02 arcsec/year
-0.01 arcsec/year

Spectral properties of HR2907

HR2907 belongs to spectral class B8 and has a luminosity class of IV corresponding to a sub-giant star. HR2907 is also a Si chemically peculiar star.

-0.31
B8IV
11920K

The red dot in the diagram below shows where HR2907 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR2907. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2907

SAO198120
SAO198120