| Coord 2000 | 19539+3746 |
Discov num | ALI 644 |
Comp | Coord arcsec 2000 | 19 53 54.72 +37 45 36.1 |
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| Date first | 1929 |
Date last | 2015 |
Obs | 10 |
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| Pa first | 210 |
Pa last | 210 |
P.A. Now (θ) | 210° |
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| Sep first | 13.8 |
Sep last | 14.5 |
Sep. Now (ρ) | 14.5" |
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| Mag pri | 11.97 |
Mag sec | 13.26 |
delta mag (ΔM) | 1.29 |
Spectral class | |||||
| Pri motion ra | -004 |
Sec motion ra | -004 |
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| Pri motion dec | +000 |
Sec motion dec | -007 |
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| Notes | |||||||||||
| Precise pa | 209.6 |
Precise sep | 14.47 |
Constellation | Cygnus |
Tycho2 | 3137-00062-1 |
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| Gaia DR2 | 2072119925587650432 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 19539+3746 | ALI 644 | 1998 | 3 | 210 | 14.4 | 11.97 | 13.26 | D | 195354.72+374536.1 | ||
| 19539+3746 | ALI 644 | 2002 | 4 | 210 | 14.4 | 11.97 | 13.26 | D | 195354.72+374536.1 | ||
| 19539+3746 | ALI 644 | 2010 | 5 | 210 | 14.3 | 11.97 | 13.26 | 195354.72+374536.1 | |||
| 19539+3746 | ALI 644 | 2015 | 6 | 210 | 14.5 | 11.97 | 13.26 | 195354.72+374536.1 |