Sadalbari - μ Pegasi (mu Pegasi)

Sadalbari, also designated as μ Pegasi (mu Pegasi), is a giant star in the constellation of Pegasus.

Sadalbari visual magnitude is 3.48. Because of its moderate brightness, Sadalbari should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about Sadalbari:

Color of Sadalbari ⬤

Magnitude of Sadalbari 3.48

Class Giant

VISIBILITY RIGHT NOW Sadalbari - μ Pegasi (mu Pegasi) is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of Sadalbari

Sadalbari 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 Sadalbari are provided in the following table:

Right Ascension J2000 22h 50m 00s

Declination J2000 +24° 36’ 06”

Galactic Longitude 90.68°

Galactic Latitude -30.56°

Constellation Pegasus

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

Finder chart Sadalbari - μ Pegasi (mu Pegasi) star

Simplified finder chart for Sadalbari - μ Pegasi (mu Pegasi).

Visibility of Sadalbari from your location

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

Today's Sadalbari - μ Pegasi (mu Pegasi) rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 65.4° RISE 2:33

Max altitude: 63.1° TRANSIT 10:51

Azimuth: 294.6° SET 19:08

RIGHT NOW Sadalbari - μ Pegasi (mu Pegasi) is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of Sadalbari

The image below is a photograph of Sadalbari 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 Sadalbari is 0.147 arcsec per year in Right Ascension and -0.042 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of Sadalbari - μ Pegasi (mu Pegasi) star

DSS2 image of Sadalbari. The red arrow shows the motion of Sadalbari during the next 1000 years (2.45 arcmin in Right Ascension and -0.70 arcmin in declination);

Distance of Sadalbari from the Sun and relative movement

Sadalbari is distant 116.64 light years from the Sun and it is moving far from the Sun at the speed of 14 kilometers per second.

Distance (parsec) 35.78 pc

Distance (light year) 116.64 ly

Heliocentric radial velocity 14 km/s

Proper Motion RA 0.147 arcsec/year

Proper Motion Dec -0.042 arcsec/year

Spectral properties of Sadalbari

Sadalbari belongs to spectral class G8 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 0.71

Spectral Type G8III

Color Index (B-V) 0.93

Temperature of Sadalbari 4917K

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

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

Alternative designations of Sadalbari

Proper Name Sadalbari

Bayer designation μ Pegasi
(mu Pegasi)

Flamsteed designation 48 Pegasi

Henry Draper Catalogue HD216131

SAO Catalogue SAO90816

Hipparcos Catalogue HIP112748

Durchmusterung Catalogue BD+23 4615

Gliese Catalogue NN 4298

FK5 Catalogue 862

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