| Coord 2000 | 19420+3802 |
Discov num | SEI 662 |
Comp | Coord arcsec 2000 | 19 41 54.64 +38 01 53.2 |
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| Date first | 1896 |
Date last | 2015 |
Obs | 10 |
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| Pa first | 279 |
Pa last | 282 |
P.A. Now (θ) | 282° |
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| Sep first | 29.0 |
Sep last | 27.9 |
Sep. Now (ρ) | 27.9" |
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| Mag pri | 9.99 |
Mag sec | 12.65 |
delta mag (ΔM) | 2.66 |
Spectral class | A2 (white) |
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| Pri motion ra | +001 |
Sec motion ra | +011 |
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| Pri motion dec | -002 |
Sec motion dec | +005 |
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| Notes | |||||||||||
| Precise pa | 281.7 |
Precise sep | 27.925 |
Constellation | Cygnus |
Tycho2 | 3136-00527-1 |
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| Gaia DR2 | 2049058188893465344 |
HD | 225429 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 19420+3802 | SEI 662 | 1998 | 3 | 281 | 28.1 | 9.98 | 12.30 | D | 194154.64+380153.2 | ||
| 19420+3802 | SEI 662 | 2002 | 4 | 282 | 28.0 | 9.98 | 12.30 | D | 194154.64+380153.2 | ||
| 19420+3802 | SEI 662 | 2010 | 5 | 282 | 28.0 | 9.99 | 12.65 | A2 | 194154.64+380153.2 | ||
| 19420+3802 | SEI 662 | 2015 | 6 | 282 | 27.9 | 9.99 | 12.65 | A2 | 194154.64+380153.2 |