Coord 2000 | 20095+4752 |
Discov num | BLL 45 |
Comp | Coord arcsec 2000 | 20 09 30.09 +47 52 17.2 |
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Date first | 1879 |
Date last | 2019 |
Obs | 15 |
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Pa first | 140 |
Pa last | 140 |
P.A. Now (θ) | 140° |
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Sep first | 145.2 |
Sep last | 145.4 |
Sep. Now (ρ) | 145.4" |
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Mag pri | 9.01 |
Mag sec | 9.92 |
delta mag (ΔM) | 0.91 |
Spectral class | N (deep red) |
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Pri motion ra | -001 |
Sec motion ra | -011 |
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Pri motion dec | -004 |
Sec motion dec | -008 |
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Notes | N
(See Notes) |
Precise pa | 139.5 |
Precise sep | 145.37 |
Var name | SV Cyg |
Constellation | Cygnus |
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HIP | 99310 |
Tycho2 | 3563-00462-1 |
Gaia DR2 | 2082896582641906816 |
HD | 191738 |
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BD | BD+47 3031 |
Distance | 980.39 |
Distance ly | 3198.03 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
20095+4752 | BLL 45 | 2004 | 7 | 139 | 145.2 | 9.01 | 9.92 | N | N | 200930.09+475217.2 | |
20095+4752 | BLL 45 | 2010 | 10 | 139 | 145.0 | 9.01 | 9.92 | N | N | 200930.09+475217.2 | |
20095+4752 | BLL 45 | 2015 | 11 | 139 | 144.9 | 9.01 | 9.92 | N | N | 200930.09+475217.2 | |
20095+4752 | BLL 45 | 2019 | 15 | 140 | 145.4 | 9.01 | 9.92 | N | N | 200930.09+475217.2 |