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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: 5:55  
clear_day Transit: 12:57  
SunsetSet: 20:00
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All Constellations » Mensa » 

HR1964

Altitude: -37.4°   Azimuth: 191.6°   Direction: South-South-West

HR1964 is a variable giant star in the constellation of Mensa.

HR1964 visual magnitude is 5.78. Because of its reltive faintness, HR1964 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 HR1964 is -0.003 arcsec per year in Right Ascension and 0.033 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR1964 star
DSS2 image of HR1964. The red arrow shows the motion of HR1964 during the next 10000 years (-0.50 arcmin in Right Ascension and 5.50 arcmin in declination);

Key facts about HR1964

5.78
Giant

HR1964 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -37.4°
Azimuth: 191.6°
Direction: South-South-West

Celestial coordinates and finder chart of HR1964

HR1964 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 HR1964 are provided in the following table:

05h 34m 44s
-73° 44’ 29”
284.9°
-31.3°
Mensa

The simplified sky map below shows the position of HR1964 in the sky:

Finder chart HR1964 star
Simplified finder chart for HR1964.

Visibility of HR1964 from your location

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

HR1964 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR1964 from the Sun and relative movement

HR1964 is distant 1,044.87 light years from the Sun and it is moving towards the Sun at the speed of 11 kilometers per second.

320.51 pc
1,044.87 ly
-11 km/s
-0.003 arcsec/year
0.033 arcsec/year

Spectral properties of HR1964

HR1964 belongs to spectral class M3 and has a luminosity class of III corresponding to a giant star.

-1.75
M3III
3503K

The red dot in the diagram below shows where HR1964 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1964. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1964

SAO256208
SAO256208