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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: 7:49  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
wb_twilight Nautical TwilightWhat's Visible Now?
All Constellations » Lepus » 

HR2140

Altitude: -21.3°   Azimuth: 254.2°   Direction: West-South-West

HR2140 is a multiple giant star in the constellation of Lepus.

HR2140 visual magnitude is 5.04. Because of its reltive faintness, HR2140 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 HR2140:

5.04
Giant

HR2140 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -21.3°
Azimuth: 254.2°
Direction: West-South-West

Celestial coordinates and finder chart of HR2140

HR2140 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 HR2140 are provided in the following table:

06h 03m 15s
-26° 17’ 03”
232.33°
-21.62°
Lepus

The simplified sky map below shows the position of HR2140 in the sky:

Finder chart HR2140 star
Simplified finder chart for HR2140.

Visibility of HR2140 from your location

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

Today's HR2140 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 116.3°
Max altitude: 12.2°
Azimuth: 243.7°

Digitized Sky Survey image of HR2140

The image below is a photograph of HR2140 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 HR2140 is 0.056 arcsec per year in Right Ascension and 0.092 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR2140 star
DSS2 image of HR2140. The red arrow shows the motion of HR2140 during the next 1000 years (0.93 arcmin in Right Ascension and 1.53 arcmin in declination);

Distance of HR2140 from the Sun and relative movement

HR2140 is distant 387.63 light years from the Sun and it is moving far from the Sun at the speed of 182 kilometers per second.

118.91 pc
387.63 ly
182 km/s
0.056 arcsec/year
0.092 arcsec/year

Spectral properties of HR2140

HR2140 belongs to spectral class K3 and has a luminosity class of III corresponding to a giant star.

-0.34
K3III
4051K

The red dot in the diagram below shows where HR2140 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR2140. Attribution: Richard Powell / CC BY-SA

HR2140 star system properties

HR2140 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR2140 double sysyem:

5.04
12.34
7.3
2.2 arcsec

Alternative designations of HR2140

SAO171180
SAO171180