HR4138 is a main-sequence star in the constellation of Carina.
HR4138 visual magnitude is 4.74. Because of its moderate brightness, HR4138 should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.
The table below summarizes the key facts about HR4138:
Celestial coordinates and finder chart of 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:
The simplified sky map below shows the position of HR4138 in the sky:
Visibility of HR4138 from your location
Digitized Sky Survey image of HR4138
The image below is a photograph of HR4138 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR4138 is 0.025 arcsec per year in Right Ascension and -0.037 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
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.
Spectral properties of HR4138
HR4138 belongs to spectral class A1 and has a luminosity class of V corresponding to a main-sequence star.
The red dot in the diagram below shows where HR4138 is situated in the Hertzsprung–Russell diagram.