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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: 5:39  
clear_day Transit: 12:56  
SunsetSet: 20:14
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All Constellations » Octans » 

HR5491

Altitude: -53.3°   Azimuth: 180.2°   Direction: South

HR5491 is a variable star in the constellation of Octans.

HR5491 visual magnitude is 6.48. Because of its reltive faintness, HR5491 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 HR5491 is -0.091 arcsec per year in Right Ascension and -0.077 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR5491 star
DSS2 image of HR5491. The red arrow shows the motion of HR5491 during the next 1000 years (-1.52 arcmin in Right Ascension and -1.28 arcmin in declination);

Key facts about HR5491

6.48

HR5491 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -53.3°
Azimuth: 180.2°
Direction: South

Celestial coordinates and finder chart of HR5491

HR5491 is situated close to the southern celestial pole and, as such, it is easilty visible for most part of the year from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR5491 are provided in the following table:

15h 28m 19s
-88° 07’ 59”
304.24°
-25.68°
Octans

The simplified sky map below shows the position of HR5491 in the sky:

Finder chart HR5491 star
Simplified finder chart for HR5491.

Visibility of HR5491 from your location

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

HR5491 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR5491 from the Sun and relative movement

HR5491 is distant 209.78 light years from the Sun and it is moving towards the Sun at the speed of 15 kilometers per second.

64.35 pc
209.78 ly
-15 km/s
-0.091 arcsec/year
-0.077 arcsec/year

Spectral properties of HR5491

HR5491 belongs to spectral class A HR5491 is also a so called metallic star.

2.44
A
7462K

The red dot in the diagram below shows where HR5491 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR5491. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR5491

SAO258720
SAO258720