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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:18 
Transit: 12:46 
Sunset: 18:13
sunny   (Daytime)  
What's Visible Now • Tonight Timeline
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All Constellations » Vulpecula » 

HR7540

Above the horizon.  Rise: 11:01 | Tran: 19:25 | Set: 3:53
Alt: 12.97°   Az: 65.25°   Direction: East-North-East

HR7540 is a hypergiant star of spectral class K0 in the constellation of Vulpecula.

HR7540 visual magnitude is 5.95. Because of its faintness, HR7540 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 HR7540 star
DSS2 image of HR7540. The red arrow shows the motion of HR7540 during the next 10000 years (13.67 arcmin in Right Ascension and -4.33 arcmin in declination);

Celestial Coordinates

Apparent

19h 48m 50s
+25° 26’ 48”
17h 14m 08s
13h 02m 59s

J2000

19h 47m 48s
+25° 23’ 02”

Galactic Coordinates

61.74°
-0.02°

Finder Chart

Finder chart HR7540 star
Simplified finder chart for HR7540.

Magnitude, Color, Spectral Class

5.95
Hypergiant

0.51
K0II
4767K

The red dot in the diagram below shows where HR7540 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7540. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR7540 is distant 399.51 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

122.55
399.51
-18 km/s
0.082 arcsec/y
-0.026"/y

Alternative Designations

SAO87729
SAO87729

Visibility from Your Location

Today's HR7540 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 64.6°
Max altitude: 64.0°
Azimuth: 295.4°