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public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 5:08 
Transit: 13:06 
Sunset: 21:03
wb_twilight   (Astronomical Twilight)   What's Visible Now?
All Constellations » Cetus » 

HR46

Above the horizon.  Rise: 23:58 | Tran: 5:21 | Set: 10:41
Alt: 17.81°   Az: 128.90°   Direction: South-East

HR46 is a variable and double giant star of spectral class M3 in the constellation of Cetus.

HR46 visual magnitude is 5.12. Because of its faintness, HR46 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 HR46 star
DSS2 image of HR46. The red arrow shows the motion of HR46 during the next 10000 years (9.83 arcmin in Right Ascension and 0.67 arcmin in declination);

Celestial Coordinates

Apparent

00h 15m 42s
-07° 38’ 39”
20h 46m 27s
21h 02m 10s

J2000

00h 14m 27s
-07° 46’ 50”

Galactic Coordinates

96.87°
-68.76°

Finder Chart

Finder chart HR46 star
Simplified finder chart for HR46.

Magnitude, Color, Spectral Class

5.12
Giant

-1.30
M3III
3622K

The red dot in the diagram below shows where HR46 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR46. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR46 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR46 double sysyem:

5.12
11.12
6
3 arcsec

Distance, Radial Speed, Proper Motion

HR46 is distant 625.72 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.

191.94
625.72
-2 km/s
0.059 arcsec/y
0.004"/y

Alternative Designations

SAO128655
SAO128655

Visibility from Your Location

Today's HR46 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 97.6°
Max altitude: 30.9°
Azimuth: 262.4°