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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:59  
clear_day Transit: 12:12  
SunsetSet: 17:25
sunny DaytimeWhat's Visible Now?
All Constellations » Carina » 

HR2638

Altitude: -29.0°   Azimuth: 146.3°   Direction: South-South-East

HR2638 is a bright giant star in the constellation of Carina.

HR2638 visual magnitude is 6.45. Because of its reltive faintness, HR2638 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The proper motion of HR2638 is -0.03 arcsec per year in Right Ascension and -0.028 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2638 star
DSS2 image of HR2638. The red arrow shows the motion of HR2638 during the next 10000 years (-5.00 arcmin in Right Ascension and -4.67 arcmin in declination);

Key facts about HR2638

6.45
Bright giant

HR2638 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -29.0°
Azimuth: 146.3°
Direction: South-South-East

Celestial coordinates and finder chart of HR2638

HR2638 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR2638 are provided in the following table:

06h 58m 36s
-56° 23’ 40”
266.49°
-21.37°
Carina

The simplified sky map below shows the position of HR2638 in the sky:

Finder chart HR2638 star
Simplified finder chart for HR2638.

Visibility of HR2638 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR2638 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR2638 from the Sun and relative movement

HR2638 is distant 325.67 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.

99.90 pc
325.67 ly
-3 km/s
-0.03 arcsec/year
-0.028 arcsec/year

Spectral properties of HR2638

HR2638 belongs to spectral class F2 and has a luminosity class of II corresponding to a bright giant star.

1.45
F2II
6934K

The red dot in the diagram below shows where HR2638 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2638. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2638

SAO234825
SAO234825