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

HR4185

HR4185 is a variable star in the constellation of Carina.

HR4185 visual magnitude is 5.52. Because of its reltive faintness, HR4185 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 HR4185:

5.52
HR4185 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR4185

HR4185 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 HR4185 are provided in the following table:

10h 40m 11s
-65° 06’ 02”
289.68°
-5.66°
Carina

The simplified sky map below shows the position of HR4185 in the sky:

Finder chart HR4185 star
Simplified finder chart for HR4185.

Visibility of HR4185 from your location

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

HR4185 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR4185

The image below is a photograph of HR4185 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 HR4185 is -0.027 arcsec per year in Right Ascension and 0.003 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4185 star
DSS2 image of HR4185. The red arrow shows the motion of HR4185 during the next 10000 years (-4.50 arcmin in Right Ascension and 0.50 arcmin in declination);

Distance of HR4185 from the Sun and relative movement

HR4185 is distant 465.71 light years from the Sun and it is moving far from the Sun at the speed of 30 kilometers per second.

142.86 pc
465.71 ly
30 km/s
-0.027 arcsec/year
0.003 arcsec/year

Spectral properties of HR4185

HR4185 belongs to spectral class B9 HR4185 is also a Si chemically peculiar star.

-0.25
B9
12692K

The red dot in the diagram below shows where HR4185 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4185. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4185

SAO251059
SAO251059