Home
Search Objects
Major Solar System Objects
Comets
Asteroids
Spacecrafts
Star Maps
Orbits
public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:07 
Transit: 12:56 
Sunset: 20:45
warning Set your observing location to get relevant data
Search  close
All Constellations » Cetus » 

HR12

Below the horizon.  Rise: 5:37 | Tran: 9:31 | Set: 13:26
Alt: -37.28°   Az: 280.85°   Direction: West

HR12 is a variable and double main-sequence star of spectral class A2 in the constellation of Cetus.

HR12 visual magnitude is 5.94. Because of its faintness, HR12 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 HR12 star
DSS2 image of HR12. The red arrow shows the motion of HR12 during the next 10000 years (8.67 arcmin in Right Ascension and -7.33 arcmin in declination);

Celestial Coordinates

Apparent

00h 09m 04s
-22° 22’ 03”
08h 09m 16s
08h 18m 21s

J2000

00h 07m 46s
-22° 30’ 32”

Galactic Coordinates

55.56°
-79.07°

Finder Chart

loader
  Loading map...
Finder chart for HR12.

Magnitude, Color, Spectral Class

5.94
Main-sequence

1.42
A2V
8658K

The red dot in the diagram below shows where HR12 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR12. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR12 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR12 double sysyem:

5.94
11.04
5.1
1.9 arcsec

Distance, Radial Speed, Proper Motion

HR12 is distant 261.85 light years from the Sun and it is moving towards the Sun at the speed of 13 kilometers per second.

80.32
261.85
-13 km/s
0.052 arcsec/y
-0.044"/y

Alternative Designations

SAO166066
SAO166066

Visibility from Your Location

Today's HR12 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 112.4°
Max altitude: 16.2°
Azimuth: 247.6°