HR7165

Below the horizon. Rise: 12:28 | Tran: 19:58 | Set: 3:32

Alt: -20.76° Az: 351.69° Direction: North

HR7165 is a variable and double supergiant star of spectral class F8 in the constellation of Aquila.

HR7165 visual magnitude is 5.38. Because of its faintness, HR7165 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 HR7165. The red arrow shows the motion of HR7165 during the next 100000 years (-5.00 arcmin in Right Ascension and -11.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 18h 59m 20s

Declination +17° 23’ 44”

Hour Angle 11h 27m 25s

Sideral Time 06h 26m 46s

J2000

Right Ascension 18h 58m 14s

Declination +17° 21’ 38”

Galactic Coordinates

Galactic Longitude 49.21°

Galactic Latitude 6.36°

Finder Chart

Simplified finder chart for HR7165.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.38

Class Supergiant

Absolute magnitude -4.02

Spectral Type F8I

Color Index (B-V) 0.8

Temperature 5281K

The red dot in the diagram below shows where HR7165 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7165. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR7165 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 HR7165 double sysyem:

Main star magnitude 5.38

Secondary star magnitude 10.68

Magnitude difference 5.3

Separation 6.6 arcsec

Distance, Radial Speed, Proper Motion

HR7165 is distant 2,469.70 light years from the Sun and it is moving towards the Sun at the speed of 22 kilometers per second.

Distance (parsec) 757.58

Distance (light year) 2,469.70

Radial Speed -22 km/s

Proper Motion RA -0.003 arcsec/y

Proper Motion Dec -0.007"/y

Alternative Designations

Henry Draper Catalogue HD176155

SAO Catalogue SAO104296

Hipparcos Catalogue HIP93124

Durchmusterung Catalogue BD+17 3799

General Catalogue of Variable Stars FF Aql

Aitken Double Star Catalogue ADS11884

Visibility from Your Location

Today's HR7165 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 72.6° RISE 12:28

Max altitude: 55.9° TRANSIT 19:58

Azimuth: 287.4° SET 3:32

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

Location

Other stars in Aquila