HR7137

HR7137 is a giant star in the constellation of Draco.

HR7137 visual magnitude is 4.92. Because of its moderate brightness, HR7137 should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about HR7137:

Color of HR7137 ⬤

Magnitude of HR7137 4.92

Class Giant

VISIBILITY RIGHT NOW HR7137 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 19°.

Celestial coordinates and finder chart of HR7137

HR7137 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 HR7137 are provided in the following table:

Right Ascension J2000 18h 53m 13s

Declination J2000 +50° 42’ 29”

Galactic Longitude 80.43°

Galactic Latitude 20.4°

Constellation Draco

The simplified sky map below shows the position of HR7137 in the sky:

Simplified finder chart for HR7137.

Visibility of HR7137 from your location

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

HR7137 is circumpolar and transits at 02:23 UTC (altitude: 89.2°)

Digitized Sky Survey image of HR7137

The image below is a photograph of HR7137 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 HR7137 is 0.005 arcsec per year in Right Ascension and -0.025 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR7137. The red arrow shows the motion of HR7137 during the next 10000 years (0.83 arcmin in Right Ascension and -4.17 arcmin in declination);

Distance of HR7137 from the Sun and relative movement

HR7137 is distant 337.13 light years from the Sun and it is moving far from the Sun at the speed of 8 kilometers per second.

Distance (parsec) 103.41 pc

Distance (light year) 337.13 ly

Heliocentric radial velocity 8 km/s

Proper Motion RA 0.005 arcsec/year

Proper Motion Dec -0.025 arcsec/year

Spectral properties of HR7137

HR7137 belongs to spectral class G7 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -0.15

Spectral Type G7III

Color Index (B-V) 0.9

Temperature of HR7137 4996K

The red dot in the diagram below shows where HR7137 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7137. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7137

Henry Draper Catalogue HD175535

SAO Catalogue SAO31241

Hipparcos Catalogue HIP92689

Durchmusterung Catalogue BD+50 2686

In Evidence

Other stars in Draco