
Star profile
Tau Piscis Austrini
What is Tau Piscis Austrini
Tau Piscis Austrini is a relatively close yellow-white star, barely 60 light years away, in the constellation of the Southern Fish — home of the famous Fomalhaut. It shares its spectral type with many stars that host planetary systems, and its proximity makes it one of the modest but accessible neighbours of our galactic surroundings. Its light set out around 1965, at the very dawn of the space age.
Where it is and when to see it
Tau Piscis Austrini lies in the southern celestial hemisphere. It is visible to the naked eye under a dark sky. Its best month of the year is August, when it culminates around midnight.
- From London it culminates about 6° above the horizon.
- From New York it culminates about 17° above the horizon.
- From Sydney it culminates about 89° above the horizon.
It can be seen from anywhere south of 57° N.
It ranks no. 8 in brightness among the 26 stars of Piscis Austrinus in our catalogue. To find it, start from Fomalhaut, the brightest: it lies about 11° away (a fist at arm's length covers about 10°).
The light you see today left it about 60 years ago.
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Astronomical data for Tau Piscis Austrini
- Constellation
- Piscis Austrinus
- Apparent magnitude
- 4.94
- Distance
- 59.6 light years
- Coordinates (J2000)
- RA 332.536° · Dec -32.548°
- Catalogue
- HIP 109422 · HD 210302
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Other stars in Piscis Austrinus
Piscis Austrinus has 26 stars in Stelvia's catalogue. Here are a few of them.
- FomalhautAlpha Piscis Austrini1.17
- Epsilon Piscis Austrini4.18
- Delta Piscis Austrini4.20
- Iota Piscis Austrini4.35
- Gamma Piscis Austrini4.46
- Mu Piscis Austrini4.50
- Upsilon Piscis Austrini4.99
- Theta Piscis Austrini5.02