Your guide to the Solar System and the night sky
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🌎  Greenwich, United Kingdom [change]

HR1725

HR1725 is a hypergiant star in the constellation of Auriga.

HR1725 visual magnitude is 6.18. Because of its reltive faintness, HR1725 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 HR1725:

6.18
Hypergiant
HR1725 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 2°.

Celestial coordinates and finder chart of HR1725

HR1725 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR1725 are provided in the following table:

05h 18m 40s
+40° 27’ 54”
167.33°
1.68°
Auriga

The simplified sky map below shows the position of HR1725 in the sky:

Finder chart HR1725 star
Simplified finder chart for HR1725.

Visibility of HR1725 from your location

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

HR1725 is circumpolar and transits at 04:23 UTC (altitude: 79.0°)

Digitized Sky Survey image of HR1725

The image below is a photograph of HR1725 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 HR1725 is 0.017 arcsec per year in Right Ascension and -0.015 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR1725 star
DSS2 image of HR1725. The red arrow shows the motion of HR1725 during the next 10000 years (2.83 arcmin in Right Ascension and -2.50 arcmin in declination);

Distance of HR1725 from the Sun and relative movement

HR1725 is distant 676.35 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

207.47 pc
676.35 ly
-17 km/s
0.017 arcsec/year
-0.015 arcsec/year

Spectral properties of HR1725

HR1725 belongs to spectral class K0

-0.40
K0
4000K

The red dot in the diagram below shows where HR1725 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1725. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1725

SAO40224
SAO40224