Coord 2000 | 19521+3148 |
Discov num | ES 2428 |
Comp | AB |
Coord arcsec 2000 | 19 52 08.30 +31 47 46.0 |
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Date first | 1902 |
Date last | 2015 |
Obs | 10 |
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Pa first | 90 |
Pa last | 90 |
P.A. Now (θ) | 90° |
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Sep first | 87.7 |
Sep last | 89.1 |
Sep. Now (ρ) | 89.1" |
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Mag pri | 8.82 |
Mag sec | 11.10 |
delta mag (ΔM) | 2.28 |
Spectral class | B8 (blue-white) |
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Pri motion ra | +002 |
Sec motion ra | +020 |
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Pri motion dec | +002 |
Sec motion dec | -006 |
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Notes |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 68995 | 19 52 08 +31 47 46 | ES 2428 AB | 2015 | 10 | 90 | 89.1 | 8.82 | 11.10 | 2.28 | <=== | ||
Show | 68995 | 19 52 15 +31 47 46 | ES 2428 BC | 2015 | 8 | 256 | 5.1 | 11.10 | 11.10 | 0.00 |
Precise pa | 90.1 |
Precise sep | 89.145 |
Constellation | Cygnus |
SAO | 68995 |
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HIP | 97778 |
Tycho2 | 2669-00944-1 |
Gaia DR2 | 2033819301358898304 |
HD | 331413 |
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BD | BD+31 3815 |
Distance | 558.66 |
Distance ly | 1822.35 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
19521+3148 | ES 2428 | AB | 1930 | 2 | 92 | 87.0 | 8.60 | 11.10 | B8 | 195208.30+314746.0 | |
19521+3148 | ES 2428 | AB | 1998 | 3 | 90 | 89.0 | 8.60 | 11.10 | B8 | 195208.30+314746.0 | |
19521+3148 | ES 2428 | AB | 2011 | 4 | 90 | 89.2 | 8.60 | 11.10 | B8 | 195208.30+314746.0 | |
19521+3148 | ES 2428 | AB | 2014 | 6 | 90 | 89.1 | 8.60 | 11.10 | B8 | 195208.30+314746.0 | |
19521+3148 | ES 2428 | AB | 2015 | 10 | 90 | 89.1 | 8.82 | 11.10 | B8 | 195208.30+314746.0 |