| Coord 2000 | 20121+4402 |
Discov num | BRT2256 |
Comp | Coord arcsec 2000 | 20 12 05.18 +44 01 52.2 |
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| Date first | 1892 |
Date last | 2018 |
Obs | 6 |
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| Pa first | 28 |
Pa last | 27 |
P.A. Now (θ) | 27° |
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| Sep first | 3.2 |
Sep last | 3.3 |
Sep. Now (ρ) | 3.3" |
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| Mag pri | 11.20 |
Mag sec | 12.40 |
delta mag (ΔM) | 1.2 |
Spectral class | A (white) |
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| Pri motion ra | -016 |
Sec motion ra | |||||||||
| Pri motion dec | -030 |
Sec motion dec | |||||||||
| Notes | |||||||||||
| Precise pa | 26.8 |
Precise sep | 3.272 |
Constellation | Cygnus |
Tycho2 | 3163-00987-1 |
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| Gaia DR2 | 08816792704 |
HD | 192242 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20121+4402 | BRT2256 | 2006 | 3 | 25 | 3.3 | 9.20 | 9.70 | A | 201205.18+440152.2 | ||
| 20121+4402 | BRT2256 | 2015 | 5 | 27 | 3.3 | 11.20 | 12.40 | A | 201205.18+440152.2 | ||
| 20121+4402 | BRT2256 | 2018 | 6 | 27 | 3.3 | 11.20 | 12.40 | A | 201205.18+440152.2 |