| Coord 2000 | 20249+3404 |
Discov num | A 290 |
Comp | Coord arcsec 2000 | 20 24 55.16 +34 03 39.8 |
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| Date first | 1901 |
Date last | 2016 |
Obs | 16 |
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| Pa first | 134 |
Pa last | 132 |
P.A. Now (θ) | 132° |
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| Sep first | 0.2 |
Sep last | 0.5 |
Sep. Now (ρ) | 0.5" |
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| Mag pri | 9.13 |
Mag sec | 8.68 |
delta mag (ΔM) | 0.45 |
Spectral class | A2 (white) |
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| Pri motion ra | +011 |
Sec motion ra | +011 |
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| Pri motion dec | +000 |
Sec motion dec | +000 |
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| Notes | |||||||||||
| Precise pa | 132.4 |
Precise sep | 0.497 |
Constellation | Cygnus |
SAO | 69984 |
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| Tycho2 | 2693-01271-1 |
HD | 194540 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20249+3404 | A 290 | 1991 | 12 | 131 | 0.4 | 9.13 | 8.68 | A2 | 202455.16+340339.8 | ||
| 20249+3404 | A 290 | 2007 | 13 | 312 | 0.5 | 9.13 | 8.68 | A2 | 202455.16+340339.8 | ||
| 20249+3404 | A 290 | 2009 | 14 | 310 | 0.5 | 9.13 | 8.68 | A2 | 202455.16+340339.8 | ||
| 20249+3404 | A 290 | 2016 | 15 | 312 | 0.5 | 9.13 | 8.68 | A2 | 202455.16+340339.8 |