HR7550

Above the horizon. Rise: 11:26 | Tran: 21:36 | Set: 7:49

Alt: 4.47° Az: 326.53° Direction: North-North-West

HR7550 is a double main-sequence star of spectral class F4 in the constellation of Cygnus.

HR7550 visual magnitude is 6.53. Because of its faintness, HR7550 is not visible to the naked eye.

DSS2 image of HR7550. The red arrow shows the motion of HR7550 during the next 10000 years (14.17 arcmin in Right Ascension and 10.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 19h 49m 39s

Declination +35° 22’ 27”

Hour Angle 09h 10m 23s

Sideral Time 05h 00m 02s

J2000

Right Ascension 19h 48m 43s

Declination +35° 18’ 41”

Galactic Coordinates

Galactic Longitude 70.42°

Galactic Latitude 4.81°

Finder Chart

Simplified finder chart for HR7550.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.53

Class Main-sequence

Absolute magnitude 2.41

Spectral Type F4V

Color Index (B-V) 0.44

Temperature 6674K

The red dot in the diagram below shows where HR7550 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7550. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR7550 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR7550 double sysyem:

Main star magnitude 6.53

Secondary star magnitude 7.13

Magnitude difference 0.6

Separation 0.6 arcsec

Distance, Radial Speed, Proper Motion

HR7550 is distant 217.48 light years from the Sun and it is moving towards the Sun at the speed of 27 kilometers per second.

Distance (parsec) 66.71

Distance (light year) 217.48

Radial Speed -27 km/s

Proper Motion RA 0.085 arcsec/y

Proper Motion Dec 0.062"/y

Alternative Designations

Henry Draper Catalogue HD187458

SAO Catalogue SAO68893

Hipparcos Catalogue HIP97477

Durchmusterung Catalogue BD+34 3727

Aitken Double Star Catalogue ADS12972

Visibility from Your Location

Today's HR7550 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 54.6° RISE 11:26

Max altitude: 73.9° TRANSIT 21:36

Azimuth: 305.4° SET 7:49

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

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Location

Other stars in Cygnus