Star profile
110 Herculis
What is 110 Herculis
110 Herculis shines from just 63 light-years away, one of the closer F-type stars within easy naked-eye reach. Infrared observations have revealed an excess of heat surrounding it —the telltale signature of a circumstellar dust disk, possibly a leftover from planet formation. Slightly hotter and more massive than the Sun, it traces the northeastern reach of Hercules with a clean, faintly golden white.
Where it is and when to see it
110 Herculis lies in the northern 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 59° above the horizon.
- From New York it culminates about 70° above the horizon.
- From Sydney it culminates about 36° above the horizon.
It can be seen from anywhere north of 69° S.
It ranks no. 17 in brightness among the 136 stars of Hercules in our catalogue. To find it, start from Kornephoros, the brightest: it lies about 32° away (a fist at arm's length covers about 10°).
The light you see today left it about 63 years ago.
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Astronomical data for 110 Herculis
- Constellation
- Hercules
- Apparent magnitude
- 4.19
- Distance
- 62.7 light years
- Coordinates (J2000)
- RA 281.416° · Dec 20.546°
- Catalogue
- HIP 92043 · HD 173667
A symbolic commemorative gift: neither the signature nor the chosen name implies ownership of the star or recognition by the IAU.
Other stars in Hercules
Hercules has 136 stars in Stelvia's catalogue. Here are a few of them.
- KornephorosBeta Herculis2.78
- RasalgethiAlpha 1 Herculis2.78
- Zeta Herculis2.81
- Tau Herculis3.91
- Epsilon Herculis3.92
- Rho Herculis4.15
- Sigma Herculis4.20
- Phi Herculis4.23