η Piscis Austrini (eta Piscis Austrini)

Below the horizon. Rise: 1:51 | Tran: 4:59 | Set: 8:08

Alt: -47.46° Az: 284.00° Direction: South

η Piscis Austrini is a variable and double main-sequence star of spectral class B8 in the constellation of Piscis Austrinus.

η Piscis Austrini visual magnitude is 5.42. Because of its faintness, η Piscis Austrini is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

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);

Celestial Coordinates

Apparent

Right Ascension 22h 02m 17s

Declination -28° 19’ 49”

Hour Angle 08h 47m 14s

Sidereal Time 06h 49m 32s

J2000

Right Ascension 22h 00m 50s

Declination -28° 27’ 12”

Galactic Coordinates

Galactic Longitude 20.7°

Galactic Latitude -52.44°

Finder Chart

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Finder chart for η Piscis Austrini (eta Piscis Austrini).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.42

Class Main-sequence

Absolute magnitude -2.04

Spectral Type B8V

Color Index (B-V) -0.09

Temperature 11407K

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

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

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:

Main star magnitude 5.42

Secondary star magnitude 6.42

Magnitude difference 1

Separation 1.9 arcsec

Distance, Radial Speed, Proper Motion

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.

Distance (parsec) 310.56

Distance (light year) 1,012.42

Radial Speed -5 km/s

Proper Motion RA 0.016 arcsec/y

Proper Motion Dec 0.006"/y

Alternative Designations

Bayer designation η Piscis Austrini
(eta Piscis Austrini)

Flamsteed designation 12 Piscis Austrini

Henry Draper Catalogue HD209014

SAO Catalogue SAO190822

Hipparcos Catalogue HIP108661

Durchmusterung Catalogue CD-2918119

General Catalogue of Variable Stars 13993

Aitken Double Star Catalogue ADS15536

Visibility from Your Location

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

Azimuth: 118.3° RISE 1:51

Max altitude: 10.2° TRANSIT 4:59

Azimuth: 241.7° SET 8:08

Set Location

Other stars in Piscis Austrinus