| Coord 2000 | 20139+2942 |
Discov num | TOB 180 |
Comp | Coord arcsec 2000 | 20 13 51.07 +29 42 17.7 |
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| Date first | 1894 |
Date last | 2015 |
Obs | 11 |
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| Pa first | 300 |
Pa last | 299 |
P.A. Now (θ) | 299° |
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| Sep first | 23.2 |
Sep last | 23.4 |
Sep. Now (ρ) | 23.4" |
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| Mag pri | 9.80 |
Mag sec | 12.40 |
delta mag (ΔM) | 2.6 |
Spectral class | B5 (blue-white) |
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| Pri motion ra | +001 |
Sec motion ra | -003 |
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| Pri motion dec | -001 |
Sec motion dec | -001 |
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| Notes | |||||||||||
| Precise pa | 299.4 |
Precise sep | 23.417 |
Constellation | Cygnus |
Tycho2 | 2166-00382-1 |
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| Gaia DR2 | 85364574208 |
HD | 333832 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20139+2942 | TOB 180 | 1999 | 4 | 299 | 23.4 | 9.80 | 12.40 | D | 201351.07+294217.7 | ||
| 20139+2942 | TOB 180 | 2002 | 5 | 300 | 23.4 | 9.80 | 12.40 | D | 201351.07+294217.7 | ||
| 20139+2942 | TOB 180 | 2010 | 6 | 300 | 23.4 | 9.80 | 12.40 | B5 | 201351.07+294217.7 | ||
| 20139+2942 | TOB 180 | 2015 | 7 | 299 | 23.4 | 9.80 | 12.40 | B5 | 201351.07+294217.7 |