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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
SunriseRise: 7:01  
clear_day Transit: 12:12  
SunsetSet: 17:24
sunny DaytimeWhat's Visible Now?
All Constellations » Columba » 


Altitude: -43.4°   Azimuth: 93.3°   Direction: East

HR2170 is a variable sub-giant star in the constellation of Columba.

HR2170 visual magnitude is 5.83. Because of its reltive faintness, HR2170 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The proper motion of HR2170 is 0.003 arcsec per year in Right Ascension and 0.003 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR2170 star
DSS2 image of HR2170. The red arrow shows the motion of HR2170 during the next 100000 years (5.00 arcmin in Right Ascension and 5.00 arcmin in declination);

Key facts about HR2170


HR2170 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -43.4°
Azimuth: 93.3°
Direction: East

Celestial coordinates and finder chart of HR2170

HR2170 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 HR2170 are provided in the following table:

06h 07m 03s
-34° 18’ 42”

The simplified sky map below shows the position of HR2170 in the sky:

Finder chart HR2170 star
Simplified finder chart for HR2170.

Visibility of HR2170 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 HR2170 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: 124.3°
Max altitude: 4.2°
Azimuth: 235.7°

Distance of HR2170 from the Sun and relative movement

HR2170 is distant 1,051.61 light years from the Sun and it is moving far from the Sun at the speed of 18 kilometers per second.

322.58 pc
1,051.61 ly
18 km/s
0.003 arcsec/year
0.003 arcsec/year

Spectral properties of HR2170

HR2170 belongs to spectral class B4 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR2170 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR2170. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2170