Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:50  
clear_day Transit: 12:56  
SunsetSet: 21:03 south
wb_twilight Astronomical TwilightWhat's Visible Now
All Constellations » Columba » 

HR1758

HR1758 is a hypergiant star in the constellation of Columba.

HR1758 visual magnitude is 5.99. Because of its reltive faintness, HR1758 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 HR1758:

5.99
Hypergiant
HR1758 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR1758

HR1758 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 HR1758 are provided in the following table:

05h 19m 23s
-27° 22’ 08”
229.99°
-31.24°
Columba

The simplified sky map below shows the position of HR1758 in the sky:

Finder chart HR1758 star
Simplified finder chart for HR1758.

Visibility of HR1758 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 HR1758 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: 117.4°
Max altitude: 11.2°
Azimuth: 242.6°
HR1758 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR1758

The image below is a photograph of HR1758 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 HR1758 is 0 arcsec per year in Right Ascension and -0.01 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR1758 star
DSS2 image of HR1758. The red arrow shows the motion of HR1758 during the next 10000 years (0.00 arcmin in Right Ascension and -1.67 arcmin in declination);

Distance of HR1758 from the Sun and relative movement

HR1758 is distant 445.96 light years from the Sun and it is moving far from the Sun at the speed of 18 kilometers per second.

136.80 pc
445.96 ly
18 km/s
-0.01 arcsec/year

Spectral properties of HR1758

HR1758 belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.

0.31
A0V
10653K

The red dot in the diagram below shows where HR1758 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1758. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1758

SAO170311
SAO170311