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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:56 
Transit: 11:43 
Sunset: 16:29
wb_twilight   (Astronomical Twilight)  
What's Visible Now • Tonight Timeline
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All Constellations » Crater » 

HR4255

Above the horizon.  Rise: 3:21 | Tran: 8:07 | Set: 12:53
Alt: 15.70°   Az: 138.90°   Direction: South-East

HR4255 is a giant star of spectral class G4 in the constellation of Crater.

HR4255 visual magnitude is 5.66. Because of its faintness, HR4255 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 HR4255 star
DSS2 image of HR4255. The red arrow shows the motion of HR4255 during the next 100000 years (-8.33 arcmin in Right Ascension and 15.00 arcmin in declination);

Celestial Coordinates

Apparent

10h 55m 31s
-13° 53’ 26”
21h 17m 15s
08h 12m 47s

J2000

10h 54m 17s
-13° 45’ 29”

Galactic Coordinates

264.46°
40.21°

Finder Chart

Finder chart HR4255 star
Simplified finder chart for HR4255.

Magnitude, Color, Spectral Class

5.66
Giant

0.17
G4III
5192K

The red dot in the diagram below shows where HR4255 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4255. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4255 is distant 409.03 light years from the Sun and it is moving far from the Sun at the speed of 5 kilometers per second.

125.47
409.03
5 km/s
-0.005 arcsec/y
0.009"/y

Alternative Designations

SAO156310
SAO156310

Visibility from Your Location

Today's HR4255 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 103.9°
Max altitude: 24.6°
Azimuth: 256.1°