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

HR4022

HR4022 is a main-sequence star in the constellation of Carina.

HR4022 visual magnitude is 6.41. Because of its reltive faintness, HR4022 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR4022:

6.41
Main-sequence
HR4022 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR4022

HR4022 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 HR4022 are provided in the following table:

10h 13m 21s
-61° 39’ 32”
285.3°
-4.33°
Carina

The simplified sky map below shows the position of HR4022 in the sky:

Finder chart HR4022 star
Simplified finder chart for HR4022.

Visibility of HR4022 from your location

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

HR4022 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR4022

The image below is a photograph of HR4022 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 HR4022 is -0.019 arcsec per year in Right Ascension and -0.002 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4022 star
DSS2 image of HR4022. The red arrow shows the motion of HR4022 during the next 10000 years (-3.17 arcmin in Right Ascension and -0.33 arcmin in declination);

Distance of HR4022 from the Sun and relative movement

HR4022 is distant 1,021.94 light years from the Sun and it is moving far from the Sun at the speed of 13 kilometers per second.

313.48 pc
1,021.94 ly
13 km/s
-0.019 arcsec/year
-0.002 arcsec/year

Spectral properties of HR4022

HR4022 belongs to spectral class B2 and has a luminosity class of V corresponding to a main-sequence star.

-1.07
B2V
11744K

The red dot in the diagram below shows where HR4022 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4022. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4022

SAO250875
SAO250875