| Coord 2000 | 20091+3339 |
Discov num | STF2638 |
Comp | Coord arcsec 2000 | 20 09 08.73 +33 39 21.1 |
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| Date first | 1893 |
Date last | 2015 |
Obs | 22 |
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| Pa first | 75 |
Pa last | 69 |
P.A. Now (θ) | 69° |
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| Sep first | 17.9 |
Sep last | 14.0 |
Sep. Now (ρ) | 14" |
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| Mag pri | 8.29 |
Mag sec | 10.50 |
delta mag (ΔM) | 2.21 |
Spectral class | G5II (yellow) |
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| Pri motion ra | +006 |
Sec motion ra | -019 |
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| Pri motion dec | -006 |
Sec motion dec | +000 |
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| Notes | |||||||||||
| Precise pa | 68.6 |
Precise sep | 14.026 |
Constellation | Cygnus |
SAO | 69508 |
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| Tycho2 | 2675-03140-1 |
Gaia DR2 | 38445307904 |
HD | 191511 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20091+3339 | STF2638 | 2005 | 15 | 69 | 14.3 | 8.29 | 10.50 | G5II | D | 200908.73+333921.1 | |
| 20091+3339 | STF2638 | 2010 | 17 | 69 | 13.7 | 8.29 | 10.50 | G5II | 200908.73+333921.1 | ||
| 20091+3339 | STF2638 | 2015 | 18 | 69 | 14.0 | 8.29 | 10.50 | G5II | 200908.73+333921.1 |