| Coord 2000 | 20200+3616 |
Discov num | BU 431 |
Comp | Coord arcsec 2000 | 20 19 57.83 +36 16 08.0 |
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| Date first | 1877 |
Date last | 2019 |
Obs | 38 |
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| Pa first | 221 |
Pa last | 209 |
P.A. Now (θ) | 209° |
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| Sep first | 0.6 |
Sep last | 0.5 |
Sep. Now (ρ) | 0.5" |
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| Mag pri | 8.62 |
Mag sec | 8.96 |
delta mag (ΔM) | 0.34 |
Spectral class | A7III (white) |
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| Pri motion ra | +005 |
Sec motion ra | +005 |
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| Pri motion dec | -009 |
Sec motion dec | -009 |
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| Notes | |||||||||||
| Precise pa | 209.1 |
Precise sep | 0.505 |
Constellation | Cygnus |
SAO | 69847 |
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| Tycho2 | 2684-00608-1 |
HD | 193636 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20200+3616 | BU 431 | 2000 | 32 | 28 | 0.5 | 8.96 | 8.62 | A7III | 201957.83+361608.0 | ||
| 20200+3616 | BU 431 | 2006 | 34 | 30 | 0.5 | 8.96 | 8.62 | A7III | 201957.83+361608.0 | ||
| 20200+3616 | BU 431 | 2010 | 35 | 28 | 0.5 | 8.96 | 8.62 | A7III | 201957.83+361608.0 | ||
| 20200+3616 | BU 431 | 2011 | 37 | 209 | 0.5 | 8.62 | 8.96 | A7III | 201957.83+361608.0 | ||
| 20200+3616 | BU 431 | 2019 | 38 | 209 | 0.5 | 8.62 | 8.96 | A7III | 201957.83+361608.0 |