HR173

HR173 is a main-sequence star in the constellation of Cetus.

HR173 visual magnitude is 6.14. Because of its reltive faintness, HR173 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 HR173:

Color of HR173 ⬤

Magnitude of HR173 6.14

Class Main-sequence

VISIBILITY RIGHT NOW HR173 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR173

HR173 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 HR173 are provided in the following table:

Right Ascension J2000 00h 40m 32s

Declination J2000 -23° 48’ 15”

Galactic Longitude 85.79°

Galactic Latitude -85.86°

Constellation Cetus

The simplified sky map below shows the position of HR173 in the sky:

Simplified finder chart for HR173.

Visibility of HR173 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 HR173 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: 113.8° RISE 5:14

Max altitude: 14.7° TRANSIT 8:58

Azimuth: 246.2° SET 12:42

RIGHT NOW HR173 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR173

The image below is a photograph of HR173 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 HR173 is 0.644 arcsec per year in Right Ascension and -0.333 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

DSS2 image of HR173. The red arrow shows the motion of HR173 during the next 1000 years (10.73 arcmin in Right Ascension and -5.55 arcmin in declination);

Distance of HR173 from the Sun and relative movement

HR173 is distant 93.09 light years from the Sun and it is moving towards the Sun at the speed of 53 kilometers per second.

Distance (parsec) 28.56 pc

Distance (light year) 93.09 ly

Heliocentric radial velocity -53 km/s

Proper Motion RA 0.644 arcsec/year

Proper Motion Dec -0.333 arcsec/year

Spectral properties of HR173

HR173 belongs to spectral class G3 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 3.86

Spectral Type G3V

Color Index (B-V) 0.7

Temperature of HR173 5602K

The red dot in the diagram below shows where HR173 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR173. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR173

Henry Draper Catalogue HD3795

SAO Catalogue SAO166475

Hipparcos Catalogue HIP3185

Durchmusterung Catalogue CD-24 263

Gliese Catalogue Gl 27.2

In Evidence

Other stars in Cetus