| Coord 2000 | 20176+3643 |
Discov num | SLE 988 |
Comp | Coord arcsec 2000 | 20 17 38.41 +36 42 34.0 |
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| Date first | 1985 |
Date last | 2015 |
Obs | 8 |
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| Pa first | 113 |
Pa last | 115 |
P.A. Now (θ) | 115° |
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| Sep first | 10.9 |
Sep last | 10.8 |
Sep. Now (ρ) | 10.8" |
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| Mag pri | 11.71 |
Mag sec | 13.10 |
delta mag (ΔM) | 1.39 |
Spectral class | |||||
| Pri motion ra | -002 |
Sec motion ra | +005 |
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| Pri motion dec | -003 |
Sec motion dec | -017 |
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| Notes | |||||||||||
| Precise pa | 114.5 |
Precise sep | 10.836 |
Constellation | Cygnus |
Tycho2 | 2684-01893-1 |
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| Gaia DR2 | 2060545675909596288 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20176+3643 | SLE 988 | 1985 | 1 | 113 | 10.9 | 11.40 | 12.70 | 201738.16+364317.0 | |||
| 20176+3643 | SLE 988 | 1998 | 2 | 114 | 10.8 | 11.71 | 13.10 | 201738.41+364234.0 | |||
| 20176+3643 | SLE 988 | 2002 | 3 | 114 | 10.9 | 11.71 | 13.10 | 201738.41+364234.0 | |||
| 20176+3643 | SLE 988 | 2015 | 4 | 115 | 10.9 | 11.71 | 13.10 | 201738.41+364234.0 |