49 Herculis

49 Herculis is a variable star in the constellation of Hercules.

49 Herculis visual magnitude is 6.52. Because of its reltive faintness, 49 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 49 Herculis:

Color of 49 Herculis ⬤

Magnitude of 49 Herculis 6.52

Class

VISIBILITY RIGHT NOW 49 Herculis is above the horizon from Greenwich, United Kingdom [change]. Altitude: 53°.

Celestial coordinates and finder chart of 49 Herculis

49 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 49 Herculis are provided in the following table:

Right Ascension J2000 16h 52m 04s

Declination J2000 +14° 58’ 27”

Galactic Longitude 33.67°

Galactic Latitude 33.07°

Constellation Hercules

The simplified sky map below shows the position of 49 Herculis in the sky:

Simplified finder chart for 49 Herculis.

Visibility of 49 Herculis from your location

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

Today's 49 Herculis rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 75.0° RISE 22:10

Max altitude: 53.5° TRANSIT 5:30

Azimuth: 285.0° SET 12:46

RIGHT NOW 49 Herculis is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 49 Herculis

The image below is a photograph of 49 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 49 Herculis is 0.017 arcsec per year in Right Ascension and 0.004 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of 49 Herculis. The red arrow shows the motion of 49 Herculis during the next 10000 years (2.83 arcmin in Right Ascension and 0.67 arcmin in declination);

Distance of 49 Herculis from the Sun and relative movement

49 Herculis is distant 452.15 light years from the Sun and it is moving towards the Sun at the speed of 23 kilometers per second.

Distance (parsec) 138.70 pc

Distance (light year) 452.15 ly

Heliocentric radial velocity -23 km/s

Proper Motion RA 0.017 arcsec/year

Proper Motion Dec 0.004 arcsec/year

Spectral properties of 49 Herculis

49 Herculis belongs to spectral class B9 49 Herculis is also a Cr chemically peculiar star.

Absolute magnitude 0.81

Spectral Type B9

Color Index (B-V) -0.05

Temperature of 49 Herculis 10795K

The red dot in the diagram below shows where 49 Herculis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 49 Herculis. Attribution: Richard Powell / CC BY-SA

Alternative designations of 49 Herculis

Flamsteed designation 49 Herculis

Henry Draper Catalogue HD152308

SAO Catalogue SAO102435

Hipparcos Catalogue HIP82526

Durchmusterung Catalogue BD+15 3066

FK5 Catalogue 629

General Catalogue of Variable Stars V823 Her

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In Evidence

Other stars in Hercules