HR6493

HR6493 is a variable main-sequence star in the constellation of Ophiuchus.

HR6493 visual magnitude is 4.54. Because of its moderate brightness, HR6493 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 HR6493:

Color of HR6493 ⬤

Magnitude of HR6493 4.54

Class Main-sequence

VISIBILITY RIGHT NOW HR6493 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 29°.

Celestial coordinates and finder chart of HR6493

HR6493 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 HR6493 are provided in the following table:

Right Ascension J2000 17h 26m 37s

Declination J2000 -05° 05’ 12”

Galactic Longitude 18.26°

Galactic Latitude 16.27°

Constellation Ophiuchus

The simplified sky map below shows the position of HR6493 in the sky:

Simplified finder chart for HR6493.

Visibility of HR6493 from your location

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

Today's HR6493 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 95.1° RISE 0:36

Max altitude: 33.4° TRANSIT 6:13

Azimuth: 264.9° SET 11:45

RIGHT NOW HR6493 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR6493

The image below is a photograph of HR6493 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 HR6493 is -0.092 arcsec per year in Right Ascension and -0.043 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

DSS2 image of HR6493. The red arrow shows the motion of HR6493 during the next 1000 years (-1.53 arcmin in Right Ascension and -0.72 arcmin in declination);

Distance of HR6493 from the Sun and relative movement

HR6493 is distant 97.96 light years from the Sun

Distance (parsec) 30.05 pc

Distance (light year) 97.96 ly

Proper Motion RA -0.092 arcsec/year

Proper Motion Dec -0.043 arcsec/year

Spectral properties of HR6493

HR6493 belongs to spectral class F3 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 2.15

Spectral Type F3V

Color Index (B-V) 0.39

Temperature of HR6493 6934K

The red dot in the diagram below shows where HR6493 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6493. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6493

Henry Draper Catalogue HD157950

SAO Catalogue SAO141665

Hipparcos Catalogue HIP85365

Durchmusterung Catalogue BD-04 4275

FK5 Catalogue 647

General Catalogue of Variable Stars 8662

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Other stars in Ophiuchus