Coord 2000 | 18517+5116 |
Discov num | ES 788 |
Comp | Coord arcsec 2000 | 18 51 39.23 +51 15 50.7 |
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Date first | 1909 |
Date last | 2017 |
Obs | 9 |
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Pa first | 317 |
Pa last | 319 |
P.A. Now (θ) | 319° |
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Sep first | 3.1 |
Sep last | 3.4 |
Sep. Now (ρ) | 3.4" |
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Mag pri | 9.41 |
Mag sec | 11.99 |
delta mag (ΔM) | 2.58 |
Spectral class | G5 (yellow) |
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Pri motion ra | +018 |
Sec motion ra | +016 |
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Pri motion dec | +020 |
Sec motion dec | +025 |
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Notes |
Precise pa | 319.4 |
Precise sep | 3.36 |
Constellation | Draco |
SAO | 31216 |
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HIP | 92556 |
Tycho2 | 3552-00978-1 |
Gaia DR2 | 2144499440301348480 |
HD | 234729 |
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BD | BD+51 2441 |
Distance | 228.83 |
Distance ly | 746.44 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
18517+5116 | ES 788 | 1993 | 7 | 319 | 3.6 | 9.41 | 11.99 | G5 | 185139.23+511550.7 | ||
18517+5116 | ES 788 | 2017 | 9 | 319 | 3.4 | 9.41 | 11.99 | G5 | 185139.23+511550.7 |