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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:44  
clear_day Transit: 11:48  
SunsetSet: 15:51 south
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All Constellations » Dorado » 


Altitude: -61.4°   Azimuth: 133.4°   Direction: South-East

HR2102 is a giant star in the constellation of Dorado.

HR2102 visual magnitude is 4.65. Because of its moderate brightness, HR2102 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 HR2102:


HR2102 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -61.4°
Azimuth: 133.4°
Direction: South-East

Celestial coordinates and finder chart of HR2102

HR2102 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 HR2102 are provided in the following table:

05h 54m 06s
-63° 05’ 24”

The simplified sky map below shows the position of HR2102 in the sky:

Finder chart HR2102 star
Simplified finder chart for HR2102.

Visibility of HR2102 from your location

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

HR2102 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR2102

The image below is a photograph of HR2102 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 HR2102 is 0.138 arcsec per year in Right Ascension and 0.537 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR2102 star
DSS2 image of HR2102. The red arrow shows the motion of HR2102 during the next 1000 years (2.30 arcmin in Right Ascension and 8.95 arcmin in declination);

Distance of HR2102 from the Sun and relative movement

HR2102 is distant 88.90 light years from the Sun and it is moving far from the Sun at the speed of 25 kilometers per second.

27.27 pc
88.90 ly
25 km/s
0.138 arcsec/year
0.537 arcsec/year

Spectral properties of HR2102

HR2102 belongs to spectral class K1 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR2102 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR2102. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2102

Gl 224.1