HR8549

Above the horizon. Rise: 18:24 | Tran: 5:25 | Set: 16:22

Alt: 1.42° Az: 18.51° Direction: South

HR8549 is a double main-sequence star of spectral class B2 in the constellation of Lacerta.

HR8549 visual magnitude is 6.46. Because of its faintness, HR8549 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 HR8549. The red arrow shows the motion of HR8549 during the next 10000 years (2.17 arcmin in Right Ascension and -0.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 22h 27m 53s

Declination +37° 34’ 27”

Hour Angle 13h 34m 24s

Sidereal Time 12h 02m 18s

J2000

Right Ascension 22h 26m 45s

Declination +37° 26’ 38”

Galactic Coordinates

Galactic Longitude 93.58°

Galactic Latitude -17.05°

Finder Chart

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Finder chart for HR8549.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.46

Class Main-sequence

Absolute magnitude -2.40

Spectral Type B2V

Color Index (B-V) -0.13

Temperature 12103K

The red dot in the diagram below shows where HR8549 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8549. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR8549 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 HR8549 double sysyem:

Main star magnitude 6.46

Secondary star magnitude 9.76

Magnitude difference 3.3

Separation 4.3 arcsec

Distance, Radial Speed, Proper Motion

HR8549 is distant 1,928.99 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

Distance (parsec) 591.72

Distance (light year) 1,928.99

Radial Speed -7 km/s

Proper Motion RA 0.013 arcsec/y

Proper Motion Dec -0.003"/y

Alternative Designations

Henry Draper Catalogue HD212883

SAO Catalogue SAO72344

Hipparcos Catalogue HIP110790

Durchmusterung Catalogue BD+36 4835

Aitken Double Star Catalogue ADS15942

Visibility from Your Location

Today's HR8549 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 52.4° RISE 18:24

Max altitude: 76.1° TRANSIT 5:25

Azimuth: 307.6° SET 16:22

Set Location

Other stars in Lacerta