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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:06 
Transit: 12:56 
Sunset: 20:47
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All Constellations » Columba » 

HR1772

Below the horizon.  Rise: 12:37 | Tran: 14:40 | Set: 16:43
Alt: -11.30°   Az: 132.24°   Direction: South-East

HR1772 is a variable and double sub-giant star of spectral class B5 in the constellation of Columba.

HR1772 visual magnitude is 6.09. Because of its faintness, HR1772 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 HR1772 star
DSS2 image of HR1772. The red arrow shows the motion of HR1772 during the next 100000 years (15.00 arcmin in Right Ascension and 1.67 arcmin in declination);

Celestial Coordinates

Apparent

05h 22m 12s
-34° 19’ 18”
19h 53m 52s
01h 16m 04s

J2000

05h 21m 16s
-34° 20’ 43”

Galactic Coordinates

238.07°
-32.61°

Finder Chart

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Finder chart for HR1772.

Magnitude, Color, Spectral Class

6.09
Sub-giant

-2.73
B5IV
13348K

The red dot in the diagram below shows where HR1772 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1772. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR1772 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 HR1772 double sysyem:

6.09
10.89
4.8
2.2 arcsec

Distance, Radial Speed, Proper Motion

HR1772 is distant 1,895.35 light years from the Sun and it is moving far from the Sun at the speed of 20 kilometers per second.

581.40
1,895.35
20 km/s
0.009 arcsec/y
0.001"/y

Alternative Designations

SAO195770
SAO195770

Visibility from Your Location

Today's HR1772 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 124.3°
Max altitude: 4.2°
Azimuth: 235.7°