Star profile
107 Aquarii
What is 107 Aquarii
107 Aquarii is in fact an intimate pair: two F-type giants separated by less than seven arcseconds, a couple only a modest telescope can split. The two components —magnitudes 5.72 and 6.72— circle entwined at 239 light-years in Aquarius, offering one of those visual doubles that show how many stars do not live alone. Their combined light barely reaches magnitude 5.28.
Where it is and when to see it
107 Aquarii lies in the southern celestial hemisphere. It is visible to the naked eye under a dark sky. Its best month of the year is September, when it culminates around midnight.
- From London it culminates about 20° above the horizon.
- From New York it culminates about 31° above the horizon.
- From Sydney it culminates about 75° above the horizon.
It can be seen from anywhere south of 71° N.
It ranks no. 45 in brightness among the 99 stars of Aquarius in our catalogue. To find it, start from Sadalsuud, the brightest: it lies about 35° away (a fist at arm's length covers about 10°).
The light you see today left it about 240 years ago.
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Astronomical data for 107 Aquarii
- Constellation
- Aquarius
- Apparent magnitude
- 5.28
- Distance
- 238.8 light years
- Coordinates (J2000)
- RA 356.504° · Dec -18.678°
- Catalogue
- HIP 117218 · HD 223024
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Other stars in Aquarius
Aquarius has 99 stars in Stelvia's catalogue. Here are a few of them.
- SadalsuudBeta Aquarii2.90
- SadalmelikAlpha Aquarii2.95
- SkatDelta Aquarii3.27
- 68 Aquarii5.24
- 106 Aquarii5.24
- HIP 1169575.27
- 32 Aquarii5.29
- 41 Aquarii5.33