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🌎  Greenwich, United Kingdom [change]

η Piscis Austrini (eta Piscis Austrini)

η Piscis Austrini is a variable and double main-sequence star in the constellation of Piscis Austrinus.

η Piscis Austrini visual magnitude is 5.42. Because of its reltive faintness, η Piscis Austrini 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 η Piscis Austrini:

5.42
Main-sequence
η Piscis Austrini (eta Piscis Austrini) is above the horizon from Greenwich, United Kingdom [change]. Altitude: 4°.

Celestial coordinates and finder chart of η Piscis Austrini

η Piscis Austrini is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of η Piscis Austrini are provided in the following table:

22h 00m 50s
-28° 27’ 12”
20.7°
-52.44°
Piscis Austrinus

The simplified sky map below shows the position of η Piscis Austrini in the sky:

Finder chart η Piscis Austrini (eta Piscis Austrini) star
Simplified finder chart for η Piscis Austrini (eta Piscis Austrini).

Visibility of η Piscis Austrini from your location

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

Today's η Piscis Austrini (eta Piscis Austrini) rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 118.5°
Max altitude: 10.1°
Azimuth: 241.5°
η Piscis Austrini (eta Piscis Austrini) is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of η Piscis Austrini

The image below is a photograph of η Piscis Austrini 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 η Piscis Austrini is 0.016 arcsec per year in Right Ascension and 0.006 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of η Piscis Austrini (eta Piscis Austrini) star
DSS2 image of η Piscis Austrini. The red arrow shows the motion of η Piscis Austrini during the next 10000 years (2.67 arcmin in Right Ascension and 1.00 arcmin in declination);

Distance of η Piscis Austrini from the Sun and relative movement

η Piscis Austrini is distant 1,012.42 light years from the Sun and it is moving towards the Sun at the speed of 5 kilometers per second.

310.56 pc
1,012.42 ly
-5 km/s
0.016 arcsec/year
0.006 arcsec/year

Spectral properties of η Piscis Austrini

η Piscis Austrini belongs to spectral class B8 and has a luminosity class of V corresponding to a main-sequence star.

-2.04
B8V
11407K

The red dot in the diagram below shows where η Piscis Austrini is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of η Piscis Austrini. Attribution: Richard Powell / CC BY-SA

η Piscis Austrini star system properties

η Piscis Austrini is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the η Piscis Austrini double sysyem:

5.42
6.42
1
1.9 arcsec

Alternative designations of η Piscis Austrini

η Piscis Austrini
(eta Piscis Austrini)
12 Piscis Austrini
SAO190822
SAO190822