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Piscis Austrinus Constellation

Piscis Austrinus (Pronounciation:Pye-seas Ore-strin-us, Abbrev:PsA, Latin:Piscis Austrini) is a constellation, one of 88 constellations that the night sky is divided into. The sky is not divided up equally between the constellations. Piscis Austrinus takes up 245.375 sq. degrees of the night sky which equates to 0.59% of the night sky. The constellation gets its name as it name means The Southern Fish . The constellation is one of the original constellations that was devised by the Ancient Greco-Egyptian astronomer Ptolemy who lived between 90 A.D. and 168 A.D.

Piscis Austrinus is not a member of the Zodiac group of twelve constellations that appear when the Sun sets. Piscis Austrinus is a southern hemispheric constellation which means it can't be seen easily or at all from the northern hemisphere.

The brightest star in Piscis Austrinus is Fomalhaut. There are 5 Extrasolar Planets (Exoplanets) in this constellation that are detailed on this site.

Piscis Austrinus Star and Deep Space Object Count

The number of stars that have been catalogued as part of the Hipparcos Star Catalogue from Piscis Austrinus is 667. The number of stars that are of magnitude 6.0 or lower in the constellation is 26. The number of stars in the constellation that make up the outline is 7.

There are no deep space objects that were identified by Charles Messier in this constellation. There are no non-Messier deep space objects in this constellation that are covered at present on this site.

Stars of Interest

The nearest star to Earth is Lacaille 9352 which is roughly about 10.68 Light Years from the Earth. The nearest star to the Earth with an exoplanet is Fomalhaut which is about 25.13 Light Years. The furthest star that can be located in the constellation is HIP 106229 which is located about 81540.8 Light Years away from the Sun. The furthest figure is derived from either the 1997 or 2007 Hipparcos star catalogue parallax figure and it has been known to produce distances that are wrong.

The dimmest star that can be seen in Piscis Austrinus with the naked eye is 21 Piscis Austrini. The dim star has an apparent magnitude of 5.99. The dimmest star that a person is able to see with their naked eye is 6.0 magnitude based on the table in the reference. Ref: University of Michigan

The caveat of these stars are that they are catalogued on this site. If you know of a star that is nearer or further then do let me know in the comments and I'll add it to the site. The stars mentioned are from the Hipparcos catalogue or have been added because of their special status.

Legend of the constellation

Was the mother of Pisces. The Goddess Derecto was forced to marry a mortal by Aphrodite. After conceiving a daughter Semiramis, the spell wore off and she became a Goddess again. Derecto killed her daughter and jumped into the river therefore transforming herself into the Southern Fish.

Items of Interest

The bright star Fomalhaut is one of the earliest stars that scientists believe could have an orbit planet. It is a southern constellation and one that is known for its meteor shower in August albeit a not so bright one.

Meteor Showers

There are 1 Meteor Showers that occur during the year within this constellation based on information gathered from Adam Mickiewicz University (Poland). The Meteor Shower is known as the Piscis Austrinids.

Piscis Austrinus Facts


NamePiscis Austrinus
AbbreviationPsA
Is a Zodiac Sign No
Brightest StarFomalhaut
Area245.375 sq. deg.
Percentage of Night Sky0.59%
Size Position60th
Hemisphere Southern
Site Exoplanet Count5
Meteor Shower Count1
Nearest StarLacaille 9352
Nearest Star with Exoplanet(s)Fomalhaut
Dimmest Star21 Piscis Austrini
Furthest StarHIP 106229
Bright Star Count26
Hipparcos Star Count667
Main Star Count7
Messier Deep Space Object Count0
*Non-Messier Deep Space Object Count0
Bordering / Neighbouring / Surrounding ConstellationsAquarius
Capricornus
Microscopium
Grus
Sculptor

*Note: The number of Non-Messier Deep Space Object Count relates to how many are covered on this site not how many there are.


Piscis Austrinus Constellation Map


Piscis Austrinus Constellation Star Map

The map was generated using Night Vision, an awesome free application by Brian Simpson.

List of Stars with Exoplanets in Piscis Austrinus


StarDistance (Lt. Yrs.)Exoplanet CountDeclinationRight Ascension
Fomalhaut25.131-29d 37` 18.622h 57m 38.83
HD 205739351.471-31d 44` 14.221h 38m 08.39
HD 207832177.552-26d 01` 34.421h 52m 36.20
HD 216770116.031-26d 39` 30.022h 55m 53.56

List of Named Stars in Piscis Austrinus without Extrasolar Planets

As there's so many stars in the cosmos, not all the stars are listed here. The site has lots of stars not listed so if your star isn't listed and you know the Henry Draper or Hipparcos ID, type https://www.universeguide.com/star/ then followed by the HIPNNNNNN or HDNNNN where NNNNN is the number part of the name. The stars that I do list have either a traditional name, a bayer or other classification name.

StarDistance (Lt. Yrs.)DeclinationRight Ascension
13 Piscis Austrini2077.47-29d 54` 59.522h 04m 23.83
19 Piscis Austrini689.56-29d 21` 39.622h 42m 22.08
21 Piscis Austrini322.61-29d 32` 10.622h 51m 20.94
5 Piscis Austrini308.57-31d 14` 18.721h 29m 03.73
6 Piscis Austrini503.34-33d 56` 40.621h 32m 14.58
7 Piscis Austrini241.07-33d 02` 52.421h 36m 48.75
8 Piscis Austrini190.63-26d 10` 17.221h 36m 10.90
Beta Piscis Austrini142.80-32d 20` 45.722h 31m 30.29
Delta Piscis Austrini154.14-32d 32` 22.922h 55m 56.89
Epsilon Piscis Austrini486.81-27d 02` 37.022h 40m 39.33
Eta Piscis Austrini817.45-28d 27` 13.522h 00m 50.22
Gamma Piscis Austrini215.43-32d 52` 31.622h 52m 31.56
Iota Piscis Austrini204.24-33d 01` 32.021h 44m 56.79
Lacaille 935210.68-35d 51` 22.723h 05m 47.17
Lambda Piscis Austrini501.02-27d 46` 00.922h 14m 18.74
Mu Piscis Austrini135.84-32d 59` 18.222h 08m 22.95
Pi Piscis Austrini95.96-34d 44` 58.623h 03m 29.76
Tau Piscis Austrini59.62-32d 32` 54.422h 10m 08.48
Theta Piscis Austrini321.03-30d 53` 53.921h 47m 44.17
TW Piscis Austrini24.82-31d 33` 54.622h 56m 23.83
Upsilon Piscis Austrini424.14-34d 02` 37.422h 08m 25.93
UU Piscis Austrini1230.81-26d 49` 20.422h 04m 36.76
VZ Piscis Austrini423.59-33d 04` 53.022h 38m 51.46
WX Piscis Austrini312.42-29d 27` 44.422h 59m 35.76
Zeta Piscis Austrini432.00-26d 04` 24.822h 30m 53.75

Piscis Austrinus Constellation's Star Breakdown


Type Breakdown


TypeDescriptionCount
KLight Orange Star 3,700 - 5,200k203
GYellow 5,200 - 6,000k188
FYellow-White 6,000 - 7,500k165
AWhite 7,500 - 10,000k48
MRed Dwarf Star <3,700k24
BBlue-White 10,500 - 30,000k15

Size Breakdown


TypeDescriptionCount
VMain Sequence296
IIINormal Giant231
IVSubgiant71
IIBright Giant2

Breakdown of Carbon Stars by Type


TypeDescriptionCount
NN-Type Carbon Star1


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