HR6242

HR6242 is a variable giant star in the constellation of Hercules.

HR6242 visual magnitude is 5.87. Because of its reltive faintness, HR6242 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 HR6242:

Color of HR6242 ⬤

Magnitude of HR6242 5.87

Class Giant

VISIBILITY RIGHT NOW HR6242 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 61°.

Celestial coordinates and finder chart of HR6242

HR6242 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 HR6242 are provided in the following table:

Right Ascension J2000 16h 47m 19s

Declination J2000 +42° 14’ 20”

Galactic Longitude 66.7°

Galactic Latitude 40.25°

Constellation Hercules

The simplified sky map below shows the position of HR6242 in the sky:

Simplified finder chart for HR6242.

Visibility of HR6242 from your location

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

HR6242 is circumpolar and transits at 00:06 UTC (altitude: 80.8°)

Digitized Sky Survey image of HR6242

The image below is a photograph of HR6242 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 HR6242 is 0.003 arcsec per year in Right Ascension and -0.026 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR6242. The red arrow shows the motion of HR6242 during the next 10000 years (0.50 arcmin in Right Ascension and -4.33 arcmin in declination);

Distance of HR6242 from the Sun and relative movement

HR6242 is distant 742.60 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

Distance (parsec) 227.79 pc

Distance (light year) 742.60 ly

Heliocentric radial velocity -7 km/s

Proper Motion RA 0.003 arcsec/year

Proper Motion Dec -0.026 arcsec/year

Spectral properties of HR6242

HR6242 belongs to spectral class M4 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -0.92

Spectral Type M4III

Color Index (B-V) 1.61

Temperature of HR6242 3635K

The red dot in the diagram below shows where HR6242 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6242. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6242

Henry Draper Catalogue HD151732

SAO Catalogue SAO46288

Hipparcos Catalogue HIP82172

Durchmusterung Catalogue BD+42 2749

FK5 Catalogue 3336

General Catalogue of Variable Stars V636 Her

In Evidence

Other stars in Hercules