Your guide to the Solar System and the night sky
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🌎  Observing from: Greenwich, United Kingdom [change]

HR4089

HR4089 is a main-sequence star in the constellation of Carina.

HR4089 visual magnitude is 4.99. Because of its moderate brightness, HR4089 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 HR4089:

4.99
Main-sequence
HR4089 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR4089

HR4089 is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4089 are provided in the following table:

10h 22m 58s
-66° 54’ 06”
289.1°
-8.11°
Carina

The simplified sky map below shows the position of HR4089 in the sky:

Finder chart HR4089 star
Simplified finder chart for HR4089.

Visibility of HR4089 from your location

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

HR4089 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR4089

The image below is a photograph of HR4089 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 HR4089 is -0.024 arcsec per year in Right Ascension and 0.008 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4089 star
DSS2 image of HR4089. The red arrow shows the motion of HR4089 during the next 10000 years (-4.00 arcmin in Right Ascension and 1.33 arcmin in declination);

Distance of HR4089 from the Sun and relative movement

HR4089 is distant 429.51 light years from the Sun and it is moving far from the Sun at the speed of 12 kilometers per second.

131.75 pc
429.51 ly
12 km/s
-0.024 arcsec/year
0.008 arcsec/year

Spectral properties of HR4089

HR4089 belongs to spectral class B8 and has a luminosity class of V corresponding to a main-sequence star.

-0.61
B8V
12103K

The red dot in the diagram below shows where HR4089 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4089. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4089

SAO250940
SAO250940