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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
north SunriseRise: 7:47  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
sleep NighttimeWhat's Visible Now?
All Constellations » Lepus » 

HR1723

Altitude: -8.2°   Azimuth: 236.3°   Direction: West-South-West

HR1723 is a main-sequence star in the constellation of Lepus.

HR1723 visual magnitude is 5.07. Because of its reltive faintness, HR1723 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 HR1723:

5.07
Main-sequence

HR1723 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -8.2°
Azimuth: 236.3°
Direction: West-South-West

Celestial coordinates and finder chart of HR1723

HR1723 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 HR1723 are provided in the following table:

05h 15m 24s
-26° 56’ 35”
229.22°
-31.97°
Lepus

The simplified sky map below shows the position of HR1723 in the sky:

Finder chart HR1723 star
Simplified finder chart for HR1723.

Visibility of HR1723 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 HR1723 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: 116.9°
Max altitude: 11.6°
Azimuth: 243.1°

Digitized Sky Survey image of HR1723

The image below is a photograph of HR1723 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 HR1723 is 0.01 arcsec per year in Right Ascension and -0.018 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR1723 star
DSS2 image of HR1723. The red arrow shows the motion of HR1723 during the next 10000 years (1.67 arcmin in Right Ascension and -3.00 arcmin in declination);

Distance of HR1723 from the Sun and relative movement

HR1723 is distant 272.12 light years from the Sun and it is moving far from the Sun at the speed of 29 kilometers per second.

83.47 pc
272.12 ly
29 km/s
0.01 arcsec/year
-0.018 arcsec/year

Spectral properties of HR1723

HR1723 belongs to spectral class B9 and has a luminosity class of V corresponding to a main-sequence star.

0.46
B9V
11573K

The red dot in the diagram below shows where HR1723 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1723. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1723

SAO170238
SAO170238