57 Herculis

57 Herculis is a giant star in the constellation of Hercules.

57 Herculis visual magnitude is 6.28. Because of its reltive faintness, 57 Herculis 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 57 Herculis:

Color of 57 Herculis ⬤

Magnitude of 57 Herculis 6.28

Class Giant

VISIBILITY RIGHT NOW 57 Herculis is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of 57 Herculis

57 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 57 Herculis are provided in the following table:

Right Ascension J2000 16h 57m 30s

Declination J2000 +25° 21’ 10”

Galactic Longitude 46.01°

Galactic Latitude 35.36°

Constellation Hercules

The simplified sky map below shows the position of 57 Herculis in the sky:

Simplified finder chart for 57 Herculis.

Visibility of 57 Herculis from your location

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

Today's 57 Herculis rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 64.6° RISE 20:24

Max altitude: 63.9° TRANSIT 4:51

Azimuth: 295.4° SET 13:15

RIGHT NOW 57 Herculis is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 57 Herculis

The image below is a photograph of 57 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 57 Herculis is 0.004 arcsec per year in Right Ascension and 0.013 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of 57 Herculis. The red arrow shows the motion of 57 Herculis during the next 10000 years (0.67 arcmin in Right Ascension and 2.17 arcmin in declination);

Distance of 57 Herculis from the Sun and relative movement

57 Herculis is distant 555.37 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.

Distance (parsec) 170.36 pc

Distance (light year) 555.37 ly

Heliocentric radial velocity 9 km/s

Proper Motion RA 0.004 arcsec/year

Proper Motion Dec 0.013 arcsec/year

Spectral properties of 57 Herculis

57 Herculis belongs to spectral class G5

Absolute magnitude 0.12

Spectral Type G5

Color Index (B-V) 0.9

Temperature of 57 Herculis 4996K

The red dot in the diagram below shows where 57 Herculis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 57 Herculis. Attribution: Richard Powell / CC BY-SA

Alternative designations of 57 Herculis

Flamsteed designation 57 Herculis

Henry Draper Catalogue HD153287

SAO Catalogue SAO84720

Hipparcos Catalogue HIP82987

Durchmusterung Catalogue BD+25 3166

How to support us

In Evidence

Other stars in Hercules