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public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 5:15 
Transit: 13:06 
Sunset: 20:56
sunny   (Daytime)   What's Visible Now?
All Constellations » Cetus » 

HR638

Above the horizon.  Rise: 1:51 | Tran: 6:58 | Set: 12:06
Alt: 16.55°   Az: 228.51°   Direction: South-West

HR638 is a main-sequence star of spectral class F5 in the constellation of Cetus.

HR638 visual magnitude is 6.01. Because of its faintness, HR638 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 HR638 star
DSS2 image of HR638. The red arrow shows the motion of HR638 during the next 1000 years (-0.37 arcmin in Right Ascension and -2.77 arcmin in declination);

Celestial Coordinates

Apparent

02h 12m 34s
-09° 56’ 15”
03h 07m 11s
05h 19m 46s

J2000

02h 11m 22s
-10° 03’ 07”

Galactic Coordinates

174.54°
-64.57°

Finder Chart

Finder chart HR638 star
Simplified finder chart for HR638.

Magnitude, Color, Spectral Class

6.01
Main-sequence

2.52
F5V
6934K

The red dot in the diagram below shows where HR638 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR638. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR638 is distant 163.00 light years from the Sun and it is moving far from the Sun at the speed of 11 kilometers per second.

50.00
163.00
11 km/s
-0.022 arcsec/y
-0.166"/y

Alternative Designations

SAO148262
SAO148262

Visibility from Your Location

Today's HR638 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 99.9°
Max altitude: 28.6°
Azimuth: 260.1°