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🌎  Greenwich, United Kingdom [change]

HR3103

HR3103 is a variable hypergiant star in the constellation of Canis Minor.

HR3103 visual magnitude is 6.41. Because of its reltive faintness, HR3103 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 HR3103:

6.41
Hypergiant
HR3103 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 46°.

Celestial coordinates and finder chart of HR3103

HR3103 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 HR3103 are provided in the following table:

07h 58m 05s
+07° 12’ 48”
214.02°
18.09°
Canis Minor

The simplified sky map below shows the position of HR3103 in the sky:

Finder chart HR3103 star
Simplified finder chart for HR3103.

Visibility of HR3103 from your location

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

Today's HR3103 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 82.8°
Max altitude: 45.7°
Azimuth: 277.2°
HR3103 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR3103

The image below is a photograph of HR3103 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 HR3103 is -0.02 arcsec per year in Right Ascension and -0.007 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3103 star
DSS2 image of HR3103. The red arrow shows the motion of HR3103 during the next 10000 years (-3.33 arcmin in Right Ascension and -1.17 arcmin in declination);

Distance of HR3103 from the Sun and relative movement

HR3103 is distant 842.38 light years from the Sun and it is moving far from the Sun at the speed of 35 kilometers per second.

258.40 pc
842.38 ly
35 km/s
-0.02 arcsec/year
-0.007 arcsec/year

Spectral properties of HR3103

HR3103 belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.

-0.65
A0V
10653K

The red dot in the diagram below shows where HR3103 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3103. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3103

SAO116179
SAO116179