HR6992

HR6992 is a main-sequence star in the constellation of Ophiuchus.

HR6992 visual magnitude is 6.42. Because of its reltive faintness, HR6992 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 HR6992:

Color of HR6992 ⬤

Magnitude of HR6992 6.42

Class Main-sequence

VISIBILITY RIGHT NOW HR6992 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 39°.

Celestial coordinates and finder chart of HR6992

HR6992 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 HR6992 are provided in the following table:

Right Ascension J2000 18h 37m 12s

Declination J2000 +11° 25’ 18”

Galactic Longitude 41.56°

Galactic Latitude 8.3°

Constellation Ophiuchus

The simplified sky map below shows the position of HR6992 in the sky:

Simplified finder chart for HR6992.

Visibility of HR6992 from your location

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

Today's HR6992 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 78.6° RISE 0:11

Max altitude: 49.9° TRANSIT 7:11

Azimuth: 281.4° SET 14:08

RIGHT NOW HR6992 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR6992

The image below is a photograph of HR6992 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 HR6992 is -0.021 arcsec per year in Right Ascension and -0.011 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR6992. The red arrow shows the motion of HR6992 during the next 10000 years (-3.50 arcmin in Right Ascension and -1.83 arcmin in declination);

Distance of HR6992 from the Sun and relative movement

HR6992 is distant 576.99 light years from the Sun and it is moving towards the Sun at the speed of 27 kilometers per second.

Distance (parsec) 176.99 pc

Distance (light year) 576.99 ly

Heliocentric radial velocity -27 km/s

Proper Motion RA -0.021 arcsec/year

Proper Motion Dec -0.011 arcsec/year

Spectral properties of HR6992

HR6992 belongs to spectral class B9 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 0.18

Spectral Type B9V

Color Index (B-V) -0.02

Temperature of HR6992 10382K

The red dot in the diagram below shows where HR6992 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6992. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6992

Henry Draper Catalogue HD171975

SAO Catalogue SAO103912

Hipparcos Catalogue HIP91286

Durchmusterung Catalogue BD+11 3530

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In Evidence

Other stars in Ophiuchus