| Coord 2000 | 20109+3857 |
Discov num | DAM 198 |
Comp | Coord arcsec 2000 | 20 10 56.63 +38 56 45.0 |
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| Date first | 1998 |
Date last | 2015 |
Obs | 8 |
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| Pa first | 263 |
Pa last | 263 |
P.A. Now (θ) | 263° |
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| Sep first | 6.4 |
Sep last | 6.4 |
Sep. Now (ρ) | 6.4" |
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| Mag pri | 11.50 |
Mag sec | 14.50 |
delta mag (ΔM) | 3 |
Spectral class | A5 (white) |
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| Pri motion ra | +001 |
Sec motion ra | |||||||||
| Pri motion dec | -004 |
Sec motion dec | |||||||||
| Notes | |||||||||||
| Precise pa | 263.3 |
Precise sep | 6.439 |
Constellation | Cygnus |
Tycho2 | 3151-01701-1 |
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| Gaia DR2 | 43810466432 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20109+3857 | DAM 198 | 2000 | 2 | 263 | 6.4 | 11.50 | 14.50 | A5 | D | 201056.63+385645.0 | |
| 20109+3857 | DAM 198 | 2002 | 3 | 264 | 6.4 | 11.50 | 14.50 | A5 | D | 201056.63+385645.0 | |
| 20109+3857 | DAM 198 | 2010 | 3 | 264 | 6.6 | 11.50 | 14.50 | A5 | 201056.63+385645.0 | ||
| 20109+3857 | DAM 198 | 2015 | 4 | 263 | 6.4 | 11.50 | 14.50 | A5 | 201056.63+385645.0 |