80 Pegasi

Altitude: 38.0° Azimuth: 229.3° Direction: South-West

80 Pegasi is a variable giant star in the constellation of Pegasus.

80 Pegasi visual magnitude is 5.79. Because of its reltive faintness, 80 Pegasi 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 80 Pegasi:

Color of 80 Pegasi ⬤

Magnitude of 80 Pegasi 5.79

Class Giant

VISIBILITY RIGHT NOW

80 Pegasi is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 38.0°
Azimuth: 229.3°
Direction: South-West

Celestial coordinates and finder chart of 80 Pegasi

80 Pegasi is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 80 Pegasi are provided in the following table:

Right Ascension J2000 23h 51m 21s

Declination J2000 +09° 18’ 47”

Galactic Longitude 99.09°

Galactic Latitude -50.75°

Constellation Pegasus

The simplified sky map below shows the position of 80 Pegasi in the sky:

Simplified finder chart for 80 Pegasi.

Visibility of 80 Pegasi from your location

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

Today's 80 Pegasi rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 80.7° RISE 12:32

Max altitude: 47.8° TRANSIT 19:17

Azimuth: 279.3° SET 2:06

Digitized Sky Survey image of 80 Pegasi

The image below is a photograph of 80 Pegasi 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 80 Pegasi is -0.016 arcsec per year in Right Ascension and -0.063 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of 80 Pegasi. The red arrow shows the motion of 80 Pegasi during the next 10000 years (-2.67 arcmin in Right Ascension and -10.50 arcmin in declination);

Distance of 80 Pegasi from the Sun and relative movement

80 Pegasi is distant 806.93 light years from the Sun and it is moving towards the Sun at the speed of 9 kilometers per second.

Distance (parsec) 247.52 pc

Distance (light year) 806.93 ly

Heliocentric radial velocity -9 km/s

Proper Motion RA -0.016 arcsec/year

Proper Motion Dec -0.063 arcsec/year

Spectral properties of 80 Pegasi

80 Pegasi belongs to spectral class M3 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -1.18

Spectral Type M3III

Color Index (B-V) 1.66

Temperature of 80 Pegasi 3568K

The red dot in the diagram below shows where 80 Pegasi is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 80 Pegasi. Attribution: Richard Powell / CC BY-SA

Alternative designations of 80 Pegasi

Flamsteed designation 80 Pegasi

Henry Draper Catalogue HD223637

SAO Catalogue SAO128421

Hipparcos Catalogue HIP117628

Durchmusterung Catalogue BD+08 5127

General Catalogue of Variable Stars HH Peg

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In Evidence

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