52 Herculis

52 Herculis is a variable and multiple main-sequence star in the constellation of Hercules.

52 Herculis visual magnitude is 4.82. Because of its moderate brightness, 52 Herculis 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 52 Herculis:

Color of 52 Herculis ⬤

Magnitude of 52 Herculis 4.82

Class Main-sequence

VISIBILITY RIGHT NOW 52 Herculis is above the horizon from Greenwich, United Kingdom [change]. Altitude: 73°.

Celestial coordinates and finder chart of 52 Herculis

52 Herculis 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 52 Herculis are provided in the following table:

Right Ascension J2000 16h 49m 14s

Declination J2000 +45° 58’ 59”

Galactic Longitude 71.61°

Galactic Latitude 39.96°

Constellation Hercules

The simplified sky map below shows the position of 52 Herculis in the sky:

Simplified finder chart for 52 Herculis.

Visibility of 52 Herculis from your location

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

52 Herculis is circumpolar and transits at 04:43 UTC (altitude: 84.5°)

Digitized Sky Survey image of 52 Herculis

The image below is a photograph of 52 Herculis 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 52 Herculis is 0.026 arcsec per year in Right Ascension and -0.055 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of 52 Herculis. The red arrow shows the motion of 52 Herculis during the next 10000 years (4.33 arcmin in Right Ascension and -9.17 arcmin in declination);

Distance of 52 Herculis from the Sun and relative movement

52 Herculis is distant 175.08 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.

Distance (parsec) 53.71 pc

Distance (light year) 175.08 ly

Heliocentric radial velocity -1 km/s

Proper Motion RA 0.026 arcsec/year

Proper Motion Dec -0.055 arcsec/year

Spectral properties of 52 Herculis

52 Herculis belongs to spectral class A2 and has a luminosity class of V corresponding to a main-sequence star. 52 Herculis is also a SrCrEu chemically peculiar star.

Absolute magnitude 1.17

Spectral Type A2V

Color Index (B-V) 0.09

Temperature of 52 Herculis 9125K

The red dot in the diagram below shows where 52 Herculis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 52 Herculis. Attribution: Richard Powell / CC BY-SA

52 Herculis star system properties

52 Herculis is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the 52 Herculis double sysyem:

Main star magnitude 4.82

Secondary star magnitude 9.42

Magnitude difference 4.6

Separation 1.8 arcsec

Alternative designations of 52 Herculis

Flamsteed designation 52 Herculis

Henry Draper Catalogue HD152107

SAO Catalogue SAO46305

Hipparcos Catalogue HIP82321

Durchmusterung Catalogue BD+46 2220

General Catalogue of Variable Stars V637 Her

Aitken Double Star Catalogue ADS10227

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In Evidence

Other stars in Hercules