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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: 6:04  
clear_day Transit: 12:06  
SunsetSet: 18:09
sunny DaytimeWhat's Visible Now?
All Constellations » Orion » 

HR1709

Altitude: -18.0°   Azimuth: 55.9°   Direction: North-East

HR1709 is a variable giant star in the constellation of Orion.

HR1709 visual magnitude is 5.5. Because of its reltive faintness, HR1709 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 HR1709 is -0.001 arcsec per year in Right Ascension and 0.004 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR1709 star
DSS2 image of HR1709. The red arrow shows the motion of HR1709 during the next 100000 years (-1.67 arcmin in Right Ascension and 6.67 arcmin in declination);

Key facts about HR1709

5.5
Giant

HR1709 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -18.0°
Azimuth: 55.9°
Direction: North-East

Celestial coordinates and finder chart of HR1709

HR1709 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR1709 are provided in the following table:

05h 14m 44s
+05° 09’ 21”
196.62°
-18.79°
Orion

The simplified sky map below shows the position of HR1709 in the sky:

Finder chart HR1709 star
Simplified finder chart for HR1709.

Visibility of HR1709 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 HR1709 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: 84.8°
Max altitude: 43.7°
Azimuth: 275.2°

Distance of HR1709 from the Sun and relative movement

HR1709 is distant 598.17 light years from the Sun and it is moving towards the Sun at the speed of 8 kilometers per second.

183.49 pc
598.17 ly
-8 km/s
-0.001 arcsec/year
0.004 arcsec/year

Spectral properties of HR1709

HR1709 belongs to spectral class K4

-0.82
K4
4000K

The red dot in the diagram below shows where HR1709 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1709. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1709

SAO112556
SAO112556