71 Pegasi

Altitude: 2.2° Azimuth: 55.5° Direction: North-East

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

71 Pegasi visual magnitude is 5.32. Because of its reltive faintness, 71 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 71 Pegasi:

Color of 71 Pegasi ⬤

Magnitude of 71 Pegasi 5.32

Class Giant

VISIBILITY RIGHT NOW

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

Altitude: 2.2°
Azimuth: 55.5°
Direction: North-East

Celestial coordinates and finder chart of 71 Pegasi

71 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 71 Pegasi are provided in the following table:

Right Ascension J2000 23h 33m 28s

Declination J2000 +22° 29’ 56”

Galactic Longitude 100.25°

Galactic Latitude -36.92°

Constellation Pegasus

The simplified sky map below shows the position of 71 Pegasi in the sky:

Simplified finder chart for 71 Pegasi.

Visibility of 71 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 71 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: 67.5° RISE 16:28

Max altitude: 61.0° TRANSIT 0:31

Azimuth: 292.5° SET 8:37

Digitized Sky Survey image of 71 Pegasi

The image below is a photograph of 71 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 71 Pegasi is 0.01 arcsec per year in Right Ascension and -0.017 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of 71 Pegasi. The red arrow shows the motion of 71 Pegasi during the next 10000 years (1.67 arcmin in Right Ascension and -2.83 arcmin in declination);

Distance of 71 Pegasi from the Sun and relative movement

71 Pegasi is distant 574.96 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

Distance (parsec) 176.37 pc

Distance (light year) 574.96 ly

Heliocentric radial velocity 3 km/s

Proper Motion RA 0.01 arcsec/year

Proper Motion Dec -0.017 arcsec/year

Spectral properties of 71 Pegasi

71 Pegasi belongs to spectral class M5 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -0.91

Spectral Type M5III

Color Index (B-V) 1.6

Temperature of 71 Pegasi 3649K

The red dot in the diagram below shows where 71 Pegasi is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 71 Pegasi. Attribution: Richard Powell / CC BY-SA

Alternative designations of 71 Pegasi

Flamsteed designation 71 Pegasi

Henry Draper Catalogue HD221615

SAO Catalogue SAO91340

Hipparcos Catalogue HIP116264

Durchmusterung Catalogue BD+21 4952

FK5 Catalogue 3889

General Catalogue of Variable Stars HW Peg

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In Evidence

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