Matar - η Pegasi (eta Pegasi)
Matar, also designated as η Pegasi (eta Pegasi), is a variable and multiple bright giant star in the constellation of Pegasus.
Matar visual magnitude is 2.94. Thanks to its high brightness, Matar is clearly visible when observed from locations with dark skyes, and should be also quite easily visible from light polluted areas.
The table below summarizes the key facts about Matar:
Celestial coordinates and finder chart of Matar
Matar 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 Matar are provided in the following table:
The simplified sky map below shows the position of Matar in the sky:
Visibility of Matar from your location
Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Today's Matar - η Pegasi (eta Pegasi) rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):
Digitized Sky Survey image of Matar
The image below is a photograph of Matar 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 Matar is 0.015 arcsec per year in Right Ascension and -0.025 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of Matar from the Sun and relative movement
Matar is distant 214.76 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.
Spectral properties of Matar
Matar belongs to spectral class G2 and has a luminosity class of II corresponding to a bright giant star.
The red dot in the diagram below shows where Matar is situated in the Hertzsprung–Russell diagram.
Matar star system properties
Matar 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 Matar double sysyem: