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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:10 
Transit: 11:43 
Sunset: 16:16
sunny   (Daytime)  
What's Visible Now • Tonight Timeline
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All Constellations » Crater » 

HR4490

Above the horizon.  Rise: 3:39 | Tran: 8:21 | Set: 13:03
Alt: 6.33°   Az: 236.86°   Direction: West-South-West

HR4490 is a double main-sequence star of spectral class A1 in the constellation of Crater.

HR4490 visual magnitude is 6.21. Because of its faintness, HR4490 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 HR4490 star
DSS2 image of HR4490. The red arrow shows the motion of HR4490 during the next 10000 years (-6.33 arcmin in Right Ascension and -1.83 arcmin in declination);

Celestial Coordinates

Apparent

11h 41m 06s
-14° 36’ 23”
03h 57m 17s
15h 38m 24s

J2000

11h 39m 51s
-14° 28’ 06”

Galactic Coordinates

278.08°
44.92°

Finder Chart

Finder chart HR4490 star
Simplified finder chart for HR4490.

Magnitude, Color, Spectral Class

6.21
Main-sequence

-0.10
A1V
10125K

The red dot in the diagram below shows where HR4490 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4490. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR4490 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 HR4490 double sysyem:

6.21
12.21
6
7.8 arcsec

Distance, Radial Speed, Proper Motion

HR4490 is distant 597.07 light years from the Sun and it is moving far from the Sun at the speed of 5 kilometers per second.

183.15
597.07
5 km/s
-0.038 arcsec/y
-0.011"/y

Alternative Designations

SAO156820
SAO156820

Visibility from Your Location

Today's HR4490 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 104.6°
Max altitude: 23.9°
Azimuth: 255.4°