| Coord 2000 | 20357+3747 |
Discov num | TOB 190 |
Comp | Coord arcsec 2000 | 20 35 41.37 +37 46 47.6 |
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| Date first | 1983 |
Date last | 2014 |
Obs | 8 |
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| Pa first | 69 |
Pa last | 68 |
P.A. Now (θ) | 68° |
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| Sep first | 17.7 |
Sep last | 17.8 |
Sep. Now (ρ) | 17.8" |
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| Mag pri | 9.80 |
Mag sec | 12.60 |
delta mag (ΔM) | 2.8 |
Spectral class | B8 (blue-white) |
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| Pri motion ra | -003 |
Sec motion ra | -003 |
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| Pri motion dec | -005 |
Sec motion dec | +000 |
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| Notes | |||||||||||
| Precise pa | 67.5 |
Precise sep | 17.77 |
Constellation | Cygnus |
SAO | 70243 |
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| Tycho2 | 3153-00112-1 |
Gaia DR2 | 2063147571396189184 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20357+3747 | TOB 190 | 1998 | 2 | 68 | 17.8 | 9.80 | 12.60 | D | 203541.37+374647.6 | ||
| 20357+3747 | TOB 190 | 2009 | 3 | 69 | 17.8 | 9.80 | 12.60 | D | 203541.37+374647.6 | ||
| 20357+3747 | TOB 190 | 2010 | 5 | 68 | 17.7 | 9.80 | 12.60 | B8 | 203541.37+374647.6 | ||
| 20357+3747 | TOB 190 | 2014 | 8 | 68 | 17.8 | 9.80 | 12.60 | B8 | 203541.37+374647.6 |