| Coord 2000 | 20181+4122 |
Discov num | ES 1674 |
Comp | Coord arcsec 2000 | 20 18 03.61 +41 22 14.8 |
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| Date first | 1892 |
Date last | 2015 |
Obs | 13 |
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| Pa first | 121 |
Pa last | 125 |
P.A. Now (θ) | 125° |
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| Sep first | 5.2 |
Sep last | 4.9 |
Sep. Now (ρ) | 4.9" |
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| Mag pri | 9.64 |
Mag sec | 10.27 |
delta mag (ΔM) | 0.63 |
Spectral class | B0 (blue-white) |
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| Pri motion ra | -008 |
Sec motion ra | -001 |
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| Pri motion dec | -003 |
Sec motion dec | -010 |
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| Notes | N
(See Notes) |
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| Precise pa | 124.9 |
Precise sep | 4.929 |
Constellation | Cygnus |
Tycho2 | 3159-01888-1 |
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| Gaia DR2 | 2068573175943278976 |
HD | 228827 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20181+4122 | ES 1674 | 2006 | 9 | 125 | 4.9 | 9.64 | 10.27 | B0 | N D | 201803.61+412214.8 | |
| 20181+4122 | ES 1674 | 2008 | 10 | 126 | 4.9 | 9.64 | 10.27 | B0 | N D | 201803.61+412214.8 | |
| 20181+4122 | ES 1674 | 2010 | 12 | 124 | 4.7 | 9.64 | 10.27 | B0 | N | 201803.61+412214.8 | |
| 20181+4122 | ES 1674 | 2015 | 13 | 125 | 4.9 | 9.64 | 10.27 | B0 | N | 201803.61+412214.8 |