| Coord 2000 | 20204+3840 |
Discov num | SEI1089 |
Comp | AC |
Coord arcsec 2000 | 20 20 18.47 +38 39 29.5 |
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| Date first | 1895 |
Date last | 2015 |
Obs | 11 |
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| Pa first | 20 |
Pa last | 17 |
P.A. Now (θ) | 17° |
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| Sep first | 27.6 |
Sep last | 28.2 |
Sep. Now (ρ) | 28.2" |
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| Mag pri | 10.30 |
Mag sec | 10.47 |
delta mag (ΔM) | 0.17 |
Spectral class | |||||
| Pri motion ra | +036 |
Sec motion ra | -007 |
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| Pri motion dec | +019 |
Sec motion dec | +003 |
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| Notes | |||||||||||
| Show | name | SAO | coord_2000 | discov# | comp | first | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
| Show | 20204+3840 | SEI1088 | AB | 1896 | 2015 | 8 | 238 | 4.3 | 10.30 | 11.60 | 1.30 | ||||
| Show | 20204+3840 | SEI1089 | AC | 1895 | 2015 | 11 | 17 | 28.2 | 10.30 | 10.47 | 0.17 | <=== |
| Precise pa | 16.9 |
Precise sep | 28.23 |
Constellation | Cygnus |
Tycho2 | 3152-01641-1 |
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| Gaia DR2 | 80623328384 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20204+3840 | SEI1089 | AC | 2005 | 8 | 197 | 28.1 | 10.56 | 10.64 | D | 202019.18+383956.4 | |
| 20204+3840 | SEI1089 | AC | 2013 | 9 | 17 | 28.2 | 10.64 | 10.56 | 202019.18+383956.4 | ||
| 20204+3840 | SEI1089 | AC | 2015 | 11 | 17 | 28.2 | 10.30 | 10.47 | 202018.47+383929.5 |