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

HR3639

Above the horizon.  Rise: 4:49 | Tran: 14:01 | Set: 23:12
Alt: 50.48°   Az: 103.21°   Direction: East-South-East

HR3639 is a variable giant star of spectral class M6 in the constellation of Cancer.

HR3639 visual magnitude is 5.95. Because of its faintness, HR3639 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 HR3639 star
DSS2 image of HR3639. The red arrow shows the motion of HR3639 during the next 10000 years (-3.50 arcmin in Right Ascension and -5.67 arcmin in declination);

Celestial Coordinates

Apparent

09h 12m 07s
+30° 51’ 42”
20h 55m 14s
06h 07m 21s

J2000

09h 10m 38s
+30° 57’ 47”

Galactic Coordinates

194.5°
42.08°

Finder Chart

Finder chart HR3639 star
Simplified finder chart for HR3639.

Magnitude, Color, Spectral Class

5.95
Giant

0.52
M6III
3555K

The red dot in the diagram below shows where HR3639 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3639. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR3639 is distant 397.08 light years from the Sun and it is moving far from the Sun at the speed of 14 kilometers per second.

121.80
397.08
14 km/s
-0.021 arcsec/y
-0.034"/y

Alternative Designations

SAO61306
SAO61306

Visibility from Your Location

Today's HR3639 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 59.1°
Max altitude: 69.4°
Azimuth: 300.9°