HR6776

HR6776 is a double main-sequence star in the constellation of Ophiuchus.

HR6776 visual magnitude is 6.63. Because of its reltive faintness, HR6776 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 HR6776:

Color of HR6776 ⬤

Magnitude of HR6776 6.63

Class Main-sequence

VISIBILITY RIGHT NOW HR6776 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR6776

HR6776 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 HR6776 are provided in the following table:

Right Ascension J2000 18h 07m 48s

Declination J2000 +13° 04’ 15”

Galactic Longitude 39.92°

Galactic Latitude 15.5°

Constellation Ophiuchus

The simplified sky map below shows the position of HR6776 in the sky:

Simplified finder chart for HR6776.

Visibility of HR6776 from your location

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

Today's HR6776 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 76.9° RISE 23:36

Max altitude: 51.6° TRANSIT 6:46

Azimuth: 283.1° SET 13:51

RIGHT NOW HR6776 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR6776

The image below is a photograph of HR6776 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 HR6776 is 0.016 arcsec per year in Right Ascension and 0.008 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR6776. The red arrow shows the motion of HR6776 during the next 10000 years (2.67 arcmin in Right Ascension and 1.33 arcmin in declination);

Distance of HR6776 from the Sun and relative movement

HR6776 is distant 650.70 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

Distance (parsec) 199.60 pc

Distance (light year) 650.70 ly

Heliocentric radial velocity -17 km/s

Proper Motion RA 0.016 arcsec/year

Proper Motion Dec 0.008 arcsec/year

Spectral properties of HR6776

HR6776 belongs to spectral class A2 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 0.13

Spectral Type A2V

Color Index (B-V) 0.07

Temperature of HR6776 9328K

The red dot in the diagram below shows where HR6776 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6776. Attribution: Richard Powell / CC BY-SA

HR6776 star system properties

HR6776 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR6776 double sysyem:

Main star magnitude 6.63

Secondary star magnitude 10.43

Magnitude difference 3.8

Separation 42.3 arcsec

Alternative designations of HR6776

Henry Draper Catalogue HD165910

SAO Catalogue SAO103406

Hipparcos Catalogue HIP88814

Durchmusterung Catalogue BD+13 3529

Aitken Double Star Catalogue ADS11086

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Other stars in Ophiuchus