HR6997

Above the horizon. Rise: 17:55 | Tran: 3:41 | Set: 13:23

Alt: 9.39° Az: 313.66° Direction: North-West

HR6997 is a variable and double bright giant star of spectral class B8 in the constellation of Lyra.

HR6997 visual magnitude is 5.42. Because of its faintness, HR6997 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

DSS2 image of HR6997. The red arrow shows the motion of HR6997 during the next 10000 years (-3.17 arcmin in Right Ascension and 0.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 18h 37m 33s

Declination +33° 29’ 29”

Hour Angle 08h 04m 34s

Sidereal Time 02h 42m 07s

J2000

Right Ascension 18h 36m 37s

Declination +33° 28’ 08”

Galactic Coordinates

Galactic Longitude 62.18°

Galactic Latitude 17.42°

Finder Chart

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Finder chart for HR6997.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.42

Class Bright giant

HR6997 is also a Hg chemically peculiar star.

Absolute magnitude -0.60

Spectral Type B8II

Color Index (B-V) -0.1

Temperature 11573K

The red dot in the diagram below shows where HR6997 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6997. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR6997 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR6997 double sysyem:

Main star magnitude 5.42

Secondary star magnitude 10.02

Magnitude difference 4.6

Separation 7.3 arcsec

Distance, Radial Speed, Proper Motion

HR6997 is distant 521.60 light years from the Sun and it is moving towards the Sun at the speed of 26 kilometers per second.

Distance (parsec) 160.00

Distance (light year) 521.60

Radial Speed -26 km/s

Proper Motion RA -0.019 arcsec/y

Alternative Designations

Henry Draper Catalogue HD172044

SAO Catalogue SAO67164

Hipparcos Catalogue HIP91235

Durchmusterung Catalogue BD+33 3154

General Catalogue of Variable Stars 11113

Aitken Double Star Catalogue ADS11504

Visibility from Your Location

Today's HR6997 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 56.5° RISE 17:55

Max altitude: 72.0° TRANSIT 3:41

Azimuth: 303.5° SET 13:23

Set Location

Other stars in Lyra