Coord 2000 | 20347+4957 |
Discov num | ES 2696 |
Comp | Coord arcsec 2000 | 20 34 40.94 +49 57 11.3 |
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Date first | 1911 |
Date last | 2015 |
Obs | 11 |
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Pa first | 148 |
Pa last | 147 |
P.A. Now (θ) | 147° |
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Sep first | 10.8 |
Sep last | 12.2 |
Sep. Now (ρ) | 12.2" |
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Mag pri | 9.86 |
Mag sec | 10.72 |
delta mag (ΔM) | 0.86 |
Spectral class | B8 (blue-white) |
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Pri motion ra | -004 |
Sec motion ra | +004 |
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Pri motion dec | -006 |
Sec motion dec | -016 |
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Notes |
Precise pa | 147 |
Precise sep | 12.171 |
Constellation | Cygnus |
SAO | 49829 |
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Tycho2 | 3581-02032-1 |
Gaia DR2 | 59133173632 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
20347+4957 | ES 2696 | 2003 | 4 | 148 | 12.1 | 9.80 | 10.40 | B8 | D | 203440.94+495711.3 | |
20347+4957 | ES 2696 | 2010 | 6 | 147 | 11.8 | 9.86 | 10.72 | B8 | 203440.94+495711.3 | ||
20347+4957 | ES 2696 | 2015 | 7 | 147 | 12.2 | 9.86 | 10.72 | B8 | 203440.94+495711.3 |