HR4185

Altitude: -62.2° Azimuth: 137.7° Direction: South-East

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:

Color of HR4185 ⬤

Magnitude of HR4185 5.52

Class

VISIBILITY RIGHT NOW

HR4185 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -62.2°
Azimuth: 137.7°
Direction: South-East

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 hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4185 are provided in the following table:

Right Ascension J2000 10h 40m 11s

Declination J2000 -65° 06’ 02”

Galactic Longitude 289.68°

Galactic Latitude -5.66°

Constellation Carina

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

Simplified finder chart for HR4185.

Visibility of HR4185 from your location

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

HR4185 is currently not visible from Greenwich, United Kingdom edit_location_alt

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.

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.

Distance (parsec) 142.86 pc

Distance (light year) 465.71 ly

Heliocentric radial velocity 30 km/s

Proper Motion RA -0.027 arcsec/year

Proper Motion Dec 0.003 arcsec/year

Spectral properties of HR4185

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

Absolute magnitude -0.25

Spectral Type B9

Color Index (B-V) -0.16

Temperature of HR4185 12692K

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

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

Alternative designations of HR4185

Henry Draper Catalogue HD92664

SAO Catalogue SAO251059

Hipparcos Catalogue HIP52221

Durchmusterung Catalogue CP-64 1403

General Catalogue of Variable Stars V364 Car

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In Evidence

Other stars in Carina