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public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 5:12 
Transit: 13:06 
Sunset: 20:59
sunny   (Daytime)   What's Visible Now?
All Constellations » Carina » 

HR3157

Below the horizon.  Never rises today
Alt: -37.78°   Az: 133.00°   Direction: South-East

HR3157 is a variable and double sub-giant star of spectral class B2 in the constellation of Carina.

HR3157 visual magnitude is 6.1. Because of its faintness, HR3157 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of HR3157 star
DSS2 image of HR3157. The red arrow shows the motion of HR3157 during the next 10000 years (-3.00 arcmin in Right Ascension and 3.50 arcmin in declination);

Celestial Coordinates

Apparent

08h 01m 58s
-54° 35’ 03”
18h 15m 55s
02h 17m 53s

J2000

08h 01m 22s
-54° 30’ 54”

Galactic Coordinates

268.39°
-12.48°

Finder Chart

Finder chart HR3157 star
Simplified finder chart for HR3157.

Magnitude, Color, Spectral Class

6.1
Sub-giant

-1.94
B2IV
10653K

The red dot in the diagram below shows where HR3157 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3157. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR3157 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR3157 double sysyem:

6.1
8.1
2
40.2 arcsec

Distance, Radial Speed, Proper Motion

HR3157 is distant 1,319.84 light years from the Sun and it is moving far from the Sun at the speed of 34 kilometers per second.

404.86
1,319.84
34 km/s
-0.018 arcsec/y
0.021"/y

Alternative Designations

SAO235686
SAO235686

Visibility from Your Location

HR3157 is currently not visible from Greenwich, UK