HR6577

HR6577 is a giant star in the constellation of Ophiuchus.

HR6577 visual magnitude is 6.12. Because of its reltive faintness, HR6577 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 HR6577:

Color of HR6577 ⬤

Magnitude of HR6577 6.12

Class Giant

VISIBILITY RIGHT NOW HR6577 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 42°.

Celestial coordinates and finder chart of HR6577

HR6577 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 HR6577 are provided in the following table:

Right Ascension J2000 17h 38m 57s

Declination J2000 +13° 19’ 45”

Galactic Longitude 37.09°

Galactic Latitude 21.99°

Constellation Ophiuchus

The simplified sky map below shows the position of HR6577 in the sky:

Simplified finder chart for HR6577.

Visibility of HR6577 from your location

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

Today's HR6577 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 76.7° RISE 23:02

Max altitude: 51.8° TRANSIT 6:13

Azimuth: 283.3° SET 13:20

RIGHT NOW HR6577 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR6577

The image below is a photograph of HR6577 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 HR6577 is -0.023 arcsec per year in Right Ascension and 0.038 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR6577. The red arrow shows the motion of HR6577 during the next 10000 years (-3.83 arcmin in Right Ascension and 6.33 arcmin in declination);

Distance of HR6577 from the Sun and relative movement

HR6577 is distant 305.24 light years from the Sun

Distance (parsec) 93.63 pc

Distance (light year) 305.24 ly

Proper Motion RA -0.023 arcsec/year

Proper Motion Dec 0.038 arcsec/year

Spectral properties of HR6577

HR6577 belongs to spectral class F6 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 1.26

Spectral Type F6III

Color Index (B-V) 0.56

Temperature of HR6577 6129K

The red dot in the diagram below shows where HR6577 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6577. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6577

Henry Draper Catalogue HD160365

SAO Catalogue SAO102999

Hipparcos Catalogue HIP86373

Durchmusterung Catalogue BD+13 3421

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In Evidence

Other stars in Ophiuchus