Star profile
51 Aquilae
What is 51 Aquilae
51 Aquilae flies with the Eagle about 91 light-years away —practically in our galactic neighbourhood. F-type, slightly hotter than the Sun, its white light arrives clean and swift —if the adverb fits a ninety-year journey at all. A nearby star among the summer bird's feathers, close to the Altair–Aquila axis.
Where it is and when to see it
51 Aquilae lies in the southern celestial hemisphere. It is visible to the naked eye under a dark sky. Its best month of the year is July, when it culminates around midnight.
- From London it culminates about 28° above the horizon.
- From New York it culminates about 39° above the horizon.
- From Sydney it culminates about 67° above the horizon.
It can be seen from anywhere south of 79° N.
It ranks no. 38 in brightness among the 72 stars of Aquila in our catalogue. To find it, start from Altair, the brightest: it lies about 20° away (a fist at arm's length covers about 10°).
The light you see today left it about 91 years ago.
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Astronomical data for 51 Aquilae
- Constellation
- Aquila
- Apparent magnitude
- 5.38
- Distance
- 90.9 light years
- Coordinates (J2000)
- RA 297.695° · Dec -10.764°
- Catalogue
- HIP 97650 · HD 187532
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Other stars in Aquila
Aquila has 72 stars in Stelvia's catalogue. Here are a few of them.
- AltairAlpha Aquilae0.76
- TarazedGamma Aquilae2.72
- OkabZeta Aquilae2.99
- HIP 1005415.30
- HIP 931245.33
- 20 Aquilae5.35
- 14 Aquilae5.40
- 15 Aquilae5.40