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public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 4:43 
Transit: 13:01 
Sunset: 21:18
sunny   (Daytime)   What's Visible Now?
All Constellations » Carina » 

HR4138

Below the horizon.  Never rises today
Altitude: -54.1°   Azimuth: 150.3°   Direction: South-South-East

HR4138 is a main-sequence star of spectral class A1 in the constellation of Carina.

HR4138 visual magnitude is 4.74. Because of its moderate brightness, HR4138 is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Celestial coordinates and finder chart of HR4138

Finder chart HR4138 star
Simplified finder chart for HR4138.

HR4138 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 HR4138 are provided in the following table:

10h 30m 20s
-71° 59’ 35”
292.41°
-12.07°
Carina
Image of HR4138 star
DSS2 image of HR4138. The red arrow shows the motion of HR4138 during the next 10000 years (4.17 arcmin in Right Ascension and -6.17 arcmin in declination);

Key facts about HR4138

4.74
Main-sequence

and has a luminosity class of V corresponding to a main-sequence star.

0.24
A1V
9652K

The red dot in the diagram below shows where HR4138 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4138. Attribution: Richard Powell / CC BY-SA

Distance of HR4138 from the Sun and relative movement

HR4138 is distant 258.73 light years from the Sun and it is moving far from the Sun at the speed of 8 kilometers per second.

79.37 pc
258.73 ly
8 km/s
0.025 arcsec/year
-0.037 arcsec/year

Alternative designations of HR4138

SAO256722
SAO256722

Visibility of HR4138 from your location

HR4138 is currently not visible from Greenwich, UK