HR61

HR61 is a variable giant star in the constellation of Cetus.

HR61 visual magnitude is 6.47. Because of its reltive faintness, HR61 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 HR61:

Color of HR61 ⬤

Magnitude of HR61 6.47

Class Giant

VISIBILITY RIGHT NOW HR61 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 18°.

Celestial coordinates and finder chart of HR61

HR61 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 HR61 are provided in the following table:

Right Ascension J2000 00h 16m 42s

Declination J2000 -20° 12’ 38”

Galactic Longitude 72.13°

Galactic Latitude -79.47°

Constellation Cetus

The simplified sky map below shows the position of HR61 in the sky:

Simplified finder chart for HR61.

Visibility of HR61 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 HR61 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: 110.2° RISE 4:41

Max altitude: 18.3° TRANSIT 8:50

Azimuth: 249.8° SET 12:58

RIGHT NOW HR61 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR61

The image below is a photograph of HR61 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 HR61 is 0.012 arcsec per year in Right Ascension and -0.014 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR61. The red arrow shows the motion of HR61 during the next 10000 years (2.00 arcmin in Right Ascension and -2.33 arcmin in declination);

Distance of HR61 from the Sun and relative movement

HR61 is distant 611.63 light years from the Sun and it is moving far from the Sun at the speed of 19 kilometers per second.

Distance (parsec) 187.62 pc

Distance (light year) 611.63 ly

Heliocentric radial velocity 19 km/s

Proper Motion RA 0.012 arcsec/year

Proper Motion Dec -0.014 arcsec/year

Spectral properties of HR61

HR61 belongs to spectral class B8 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 0.10

Spectral Type B8III

Color Index (B-V) -0.09

Temperature of HR61 11407K

The red dot in the diagram below shows where HR61 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR61. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR61

Henry Draper Catalogue HD1256

SAO Catalogue SAO166167

Hipparcos Catalogue HIP1331

Durchmusterung Catalogue BD-21 24

General Catalogue of Variable Stars 113

In Evidence

Other stars in Cetus