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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:43  
clear_day Transit: 11:47  
SunsetSet: 15:52 south
sunny DaytimeWhat's Visible Now?
All Constellations » Piscis Austrinus » 

ι Piscis Austrini (iota Piscis Austrini)

Altitude: -21.1°   Azimuth: 116.9°   Direction: East-South-East

ι Piscis Austrini is a double hypergiant star in the constellation of Piscis Austrinus.

ι Piscis Austrini visual magnitude is 4.34. Because of its moderate brightness, ι Piscis Austrini 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 ι Piscis Austrini:

4.34
Hypergiant

ι Piscis Austrini (iota Piscis Austrini) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -21.1°
Azimuth: 116.9°
Direction: East-South-East

Celestial coordinates and finder chart of ι Piscis Austrini

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

21h 44m 56s
-33° 01’ 32”
12.88°
-49.55°
Piscis Austrinus

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

Finder chart ι Piscis Austrini (iota Piscis Austrini) star
Simplified finder chart for ι Piscis Austrini (iota Piscis Austrini).

Visibility of ι Piscis Austrini 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 ι Piscis Austrini (iota Piscis Austrini) 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: 123.0°
Max altitude: 5.5°
Azimuth: 237.0°

Digitized Sky Survey image of ι Piscis Austrini

The image below is a photograph of ι 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 ι Piscis Austrini is 0.034 arcsec per year in Right Ascension and -0.094 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of ι Piscis Austrini (iota Piscis Austrini) star
DSS2 image of ι Piscis Austrini. The red arrow shows the motion of ι Piscis Austrini during the next 1000 years (0.57 arcmin in Right Ascension and -1.57 arcmin in declination);

Distance of ι Piscis Austrini from the Sun and relative movement

ι Piscis Austrini is distant 204.65 light years from the Sun and it is moving far from the Sun at the speed of 2 kilometers per second.

62.77 pc
204.65 ly
2 km/s
0.034 arcsec/year
-0.094 arcsec/year

Spectral properties of ι Piscis Austrini

ι Piscis Austrini belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.

0.35
A0V
10795K

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

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

ι Piscis Austrini star system properties

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

4.34
11.34
7
20 arcsec

Alternative designations of ι Piscis Austrini

ι Piscis Austrini
(iota Piscis Austrini)
9 Piscis Austrini
SAO213258
SAO213258