93 Herculis

93 Herculis is a hypergiant star in the constellation of Hercules.

93 Herculis visual magnitude is 4.67. Because of its moderate brightness, 93 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 93 Herculis:

Color of 93 Herculis ⬤

Magnitude of 93 Herculis 4.67

Class Hypergiant

VISIBILITY RIGHT NOW 93 Herculis is above the horizon from Greenwich, United Kingdom [change]. Altitude: 3°.

Celestial coordinates and finder chart of 93 Herculis

93 Herculis 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 93 Herculis are provided in the following table:

Right Ascension J2000 18h 00m 03s

Declination J2000 +16° 45’ 02”

Galactic Longitude 42.62°

Galactic Latitude 18.72°

Constellation Hercules

The simplified sky map below shows the position of 93 Herculis in the sky:

Simplified finder chart for 93 Herculis.

Visibility of 93 Herculis from your location

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

Today's 93 Herculis rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 73.2° RISE 22:39

Max altitude: 55.3° TRANSIT 6:09

Azimuth: 286.8° SET 13:36

RIGHT NOW 93 Herculis is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 93 Herculis

The image below is a photograph of 93 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 93 Herculis is -0.007 arcsec per year in Right Ascension and -0.01 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of 93 Herculis. The red arrow shows the motion of 93 Herculis during the next 10000 years (-1.17 arcmin in Right Ascension and -1.67 arcmin in declination);

Distance of 93 Herculis from the Sun and relative movement

93 Herculis is distant 655.94 light years from the Sun and it is moving towards the Sun at the speed of 24 kilometers per second.

Distance (parsec) 201.21 pc

Distance (light year) 655.94 ly

Heliocentric radial velocity -24 km/s

Proper Motion RA -0.007 arcsec/year

Proper Motion Dec -0.01 arcsec/year

Spectral properties of 93 Herculis

93 Herculis belongs to spectral class K0 and has a luminosity class of II corresponding to a hypergiant star.

Absolute magnitude -1.85

Spectral Type K0II

Color Index (B-V) 1.26

Temperature of 93 Herculis 4194K

The red dot in the diagram below shows where 93 Herculis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 93 Herculis. Attribution: Richard Powell / CC BY-SA

Alternative designations of 93 Herculis

Flamsteed designation 93 Herculis

Henry Draper Catalogue HD164349

SAO Catalogue SAO103285

Hipparcos Catalogue HIP88128

Durchmusterung Catalogue BD+16 3335

FK5 Catalogue 1469

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In Evidence

Other stars in Hercules