| Coord 2000 | 20118+3936 |
Discov num | COU2415 |
Comp | AB |
Coord arcsec 2000 | 20 11 50.16 +39 36 28.3 |
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| Date first | 1987 |
Date last | 2011 |
Obs | 4 |
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| Pa first | 138 |
Pa last | 155 |
P.A. Now (θ) | 155° |
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| Sep first | 0.3 |
Sep last | 0.4 |
Sep. Now (ρ) | 0.4" |
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| Mag pri | 9.80 |
Mag sec | 10.20 |
delta mag (ΔM) | 0.4 |
Spectral class | B8III (blue-white) |
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| Pri motion ra | -002 |
Sec motion ra | |||||||||
| Pri motion dec | -003 |
Sec motion dec | |||||||||
| Notes | |||||||||||
| Show | name | SAO | coord_2000 | discov# | comp | first | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
| Show | 20118+3936 | COU2415 | AB | 1987 | 2011 | 4 | 155 | 0.4 | 9.80 | 10.20 | 0.40 | <=== | |||
| Show | 20118+3936 | ES 1973 | AB,C | 1922 | 2011 | 2 | 352 | 4.1 | 10.60 | 12.80 | 2.20 |
| Precise pa | 154.7 |
Precise sep | 0.36 |
Constellation | Cygnus |
Tycho2 | 3155-02052-1 |
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| HD | 228242 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20118+3936 | COU2415 | AB | 2007 | 3 | 160 | 0.4 | 9.80 | 10.20 | B8III | 201150.16+393628.3 | |
| 20118+3936 | COU2415 | AB | 2011 | 4 | 155 | 0.4 | 9.80 | 10.20 | B8III | 201150.16+393628.3 |