Star profile
47 Piscium
Variable starWhat is 47 Piscium
47 Piscium is a long-period variable red giant about 529 light-years away, embedded in the silent zigzag of Pisces. Its brightness slides very slowly through time, a stellar tide that takes months to shift. M-class and cool by stellar standards —barely warm enough to tint the sky deep red— it yields only to eyes that seek it far from city glare.
Where it is and when to see it
47 Piscium lies in the northern celestial hemisphere. It is visible to the naked eye under a dark sky. Its best month of the year is October, when it culminates around midnight.
- From London it culminates about 56° above the horizon.
- From New York it culminates about 67° above the horizon.
- From Sydney it culminates about 38° above the horizon.
It can be seen from anywhere north of 72° S.
It ranks no. 24 in brightness among the 79 stars of Pisces in our catalogue. To find it, start from Alpherg, the brightest: it lies about 15° away (a fist at arm's length covers about 10°).
The light you see today left it about 530 years ago.
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Astronomical data for 47 Piscium
- Constellation
- Pisces
- Apparent magnitude
- 5.01
- Distance
- 528.7 light years
- Coordinates (J2000)
- RA 7.012° · Dec 17.893°
- Catalogue
- HIP 2219 · HD 2411
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Other stars in Pisces
Pisces has 79 stars in Stelvia's catalogue. Here are a few of them.
- AlphergEta Piscium3.62
- Gamma Piscium3.70
- AlreschaAlpha Piscium3.82
- 27 Piscium4.88
- Kappa Piscium4.95
- 19 Piscium4.95
- 7 Piscium5.05
- 64 Piscium5.07