| Coord 2000 | 20240+4457 |
Discov num | ES 1331 |
Comp | Coord arcsec 2000 | 20 23 57.00 +44 56 33.5 |
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| Date first | 1914 |
Date last | 2016 |
Obs | 9 |
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| Pa first | 77 |
Pa last | 78 |
P.A. Now (θ) | 78° |
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| Sep first | 1.3 |
Sep last | 1.3 |
Sep. Now (ρ) | 1.3" |
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| Mag pri | 10.43 |
Mag sec | 10.81 |
delta mag (ΔM) | 0.38 |
Spectral class | A5 (white) |
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| Pri motion ra | +008 |
Sec motion ra | +008 |
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| Pri motion dec | +004 |
Sec motion dec | +004 |
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| Notes | |||||||||||
| Precise pa | 77.6 |
Precise sep | 1.263 |
Constellation | Cygnus |
Tycho2 | 3164-00855-1 |
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| Gaia DR2 | 2069403758200415104 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20240+4457 | ES 1331 | 1991 | 6 | 78 | 1.2 | 10.43 | 10.81 | A5 | 202357.00+445633.5 | ||
| 20240+4457 | ES 1331 | 2015 | 7 | 78 | 1.2 | 10.43 | 10.81 | A5 | 202357.00+445633.5 | ||
| 20240+4457 | ES 1331 | 2016 | 8 | 78 | 1.3 | 10.43 | 10.81 | A5 | 202357.00+445633.5 |