| Coord 2000 | 20138+4055 |
Discov num | TDT2106 |
Comp | Coord arcsec 2000 | 20 13 50.50 +40 54 43.7 |
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| Date first | 1991 |
Date last | 1991 |
Obs | 1 |
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| Pa first | 358 |
Pa last | 358 |
P.A. Now (θ) | 358° |
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| Sep first | 0.5 |
Sep last | 0.5 |
Sep. Now (ρ) | 0.5" |
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| Mag pri | 11.45 |
Mag sec | 11.90 |
delta mag (ΔM) | 0.45 |
Spectral class | A0 (white) |
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| Pri motion ra | +010 |
Sec motion ra | +010 |
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| Pri motion dec | -001 |
Sec motion dec | -001 |
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| Notes | |||||||||||
| Precise pa | 358.4 |
Precise sep | 0.52 |
Constellation | Cygnus |
Tycho2 | 3155-01593-1 |
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| Gaia DR2 | 2062585617885197824 |
HD | 228454 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20138+4055 | TDT2106 | 1991 | 1 | 358 | 0.5 | 11.45 | 11.90 | 201350.50+405443.7 |