HR8161

Altitude: 76.1° Azimuth: 270.4° Direction: West

HR8161 is a main-sequence star in the constellation of Cygnus.

HR8161 visual magnitude is 5.76. Because of its reltive faintness, HR8161 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 HR8161:

Color of HR8161 ⬤

Magnitude of HR8161 5.76

Class Main-sequence

VISIBILITY RIGHT NOW

HR8161 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 76.1°
Azimuth: 270.4°
Direction: West

Celestial coordinates and finder chart of HR8161

HR8161 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR8161 are provided in the following table:

Right Ascension J2000 21h 19m 28s

Declination J2000 +49° 30’ 37”

Galactic Longitude 91.7°

Galactic Latitude -0.06°

Constellation Cygnus

The simplified sky map below shows the position of HR8161 in the sky:

Simplified finder chart for HR8161.

Visibility of HR8161 from your location

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

HR8161 is circumpolar and transits at 16:14 UTC (altitude: 88.0°)

Digitized Sky Survey image of HR8161

The image below is a photograph of HR8161 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 HR8161 is 0.017 arcsec per year in Right Ascension and 0.002 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR8161. The red arrow shows the motion of HR8161 during the next 10000 years (2.83 arcmin in Right Ascension and 0.33 arcmin in declination);

Distance of HR8161 from the Sun and relative movement

HR8161 is distant 536.18 light years from the Sun and it is moving towards the Sun at the speed of 23 kilometers per second.

Distance (parsec) 164.47 pc

Distance (light year) 536.18 ly

Heliocentric radial velocity -23 km/s

Proper Motion RA 0.017 arcsec/year

Proper Motion Dec 0.002 arcsec/year

Spectral properties of HR8161

HR8161 belongs to spectral class B6 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude -0.32

Spectral Type B6V

Color Index (B-V) -0.15

Temperature of HR8161 12489K

The red dot in the diagram below shows where HR8161 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8161. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8161

Henry Draper Catalogue HD203245

SAO Catalogue SAO50713

Hipparcos Catalogue HIP105282

Durchmusterung Catalogue BD+48 3345

FK5 Catalogue 3702

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In Evidence

Other stars in Cygnus