| Coord 2000 | 18104+3221 |
Discov num | HO 81 |
Comp | Coord arcsec 2000 | 18 10 26.23 +32 21 10.1 |
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| Date first | 1883 |
Date last | 2019 |
Obs | 13 |
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| Pa first | 211 |
Pa last | 215 |
P.A. Now (θ) | 215° |
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| Sep first | 2.5 |
Sep last | 3.3 |
Sep. Now (ρ) | 3.3" |
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| Mag pri | 8.23 |
Mag sec | 11.12 |
delta mag (ΔM) | 2.89 |
Spectral class | A2 (white) |
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| Pri motion ra | +018 |
Sec motion ra | +017 |
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| Pri motion dec | +001 |
Sec motion dec | -001 |
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| Notes | |||||||||||
| Precise pa | 215.4 |
Precise sep | 3.269 |
Constellation | Hercules |
SAO | 66709 |
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| HIP | 89041 |
Tycho2 | 2626-02090-1 |
Gaia DR2 | 4591403537887975296 |
HD | 166682 |
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| BD | BD+32 3061 |
Distance | 154.8 |
Distance ly | 504.96 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 18104+3221 | HO 81 | 2002 | 10 | 215 | 3.2 | 8.23 | 11.12 | A2 | 181026.23+322110.1 | ||
| 18104+3221 | HO 81 | 2019 | 13 | 215 | 3.3 | 8.23 | 11.12 | A2 | 181026.23+322110.1 |