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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: 6:46  
clear_day Transit: 12:11  
SunsetSet: 17:36
sleep NighttimeWhat's Visible Now?
All Constellations » Columba » 

HR2164

Altitude: -26.2°   Azimuth: 254.4°   Direction: West-South-West

HR2164 is a main-sequence star in the constellation of Columba.

HR2164 visual magnitude is 5.81. Because of its reltive faintness, HR2164 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR2164 is 0.013 arcsec per year in Right Ascension and -0.041 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2164 star
DSS2 image of HR2164. The red arrow shows the motion of HR2164 during the next 10000 years (2.17 arcmin in Right Ascension and -6.83 arcmin in declination);

Key facts about HR2164

5.81
Main-sequence

HR2164 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -26.2°
Azimuth: 254.4°
Direction: West-South-West

Celestial coordinates and finder chart of HR2164

HR2164 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 HR2164 are provided in the following table:

06h 06m 05s
-29° 45’ 30”
236.08°
-22.22°
Columba

The simplified sky map below shows the position of HR2164 in the sky:

Finder chart HR2164 star
Simplified finder chart for HR2164.

Visibility of HR2164 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 HR2164 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: 119.8°
Max altitude: 8.8°
Azimuth: 240.2°

Distance of HR2164 from the Sun and relative movement

HR2164 is distant 266.12 light years from the Sun and it is moving far from the Sun at the speed of 7 kilometers per second.

81.63 pc
266.12 ly
7 km/s
0.013 arcsec/year
-0.041 arcsec/year

Spectral properties of HR2164

HR2164 belongs to spectral class A1 and has a luminosity class of V corresponding to a main-sequence star.

1.25
A1V
9542K

The red dot in the diagram below shows where HR2164 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR2164. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2164

SAO171231
SAO171231