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public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 5:14 
Transit: 13:06 
Sunset: 20:58
wb_twilight   (Nautical Twilight)   What's Visible Now?
All Constellations » Leo » 

HR4028

Below the horizon.  Rise: 7:34 | Tran: 15:06 | Set: 22:38
Alt: -20.19°   Az: 11.52°   Direction: North-North-East

HR4028 is a double sub-giant star of spectral class A9 in the constellation of Leo.

HR4028 visual magnitude is 6.55. Because of its faintness, HR4028 is not visible to the naked eye.

Image of HR4028 star
DSS2 image of HR4028. The red arrow shows the motion of HR4028 during the next 100000 years (-10.00 arcmin in Right Ascension and 1.67 arcmin in declination);

Celestial Coordinates

Apparent

10h 17m 36s
+17° 37’ 01”
12h 45m 21s
23h 02m 57s

J2000

10h 16m 16s
+17° 44’ 25”

Galactic Coordinates

219.37°
53.09°

Finder Chart

Finder chart HR4028 star
Simplified finder chart for HR4028.

Magnitude, Color, Spectral Class

6.55
Sub-giant

1.44
A9IV
10125K

The red dot in the diagram below shows where HR4028 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4028. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR4028 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR4028 double sysyem:

6.55
6.85
0.3
1.1 arcsec

Distance, Radial Speed, Proper Motion

HR4028 is distant 343.16 light years from the Sun and it is moving towards the Sun at the speed of 8 kilometers per second.

105.26
343.16
-8 km/s
-0.006 arcsec/y
0.001"/y

Alternative Designations

SAO99032
SAO99032

Visibility from Your Location

Today's HR4028 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 72.4°
Max altitude: 56.1°
Azimuth: 287.6°