Coord 2000 | 20177+4030 |
Discov num | HDS2897 |
Comp | Coord arcsec 2000 | 20 17 44.44 +40 30 24.7 |
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Date first | 1991 |
Date last | 2012 |
Obs | 6 |
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Pa first | 256 |
Pa last | 273 |
P.A. Now (θ) | 273° |
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Sep first | 0.3 |
Sep last | 0.3 |
Sep. Now (ρ) | 0.3" |
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Mag pri | 8.46 |
Mag sec | 10.76 |
delta mag (ΔM) | 2.3 |
Spectral class | G5 (yellow) |
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Pri motion ra | +011 |
Sec motion ra | |||||||||
Pri motion dec | +001 |
Sec motion dec | |||||||||
Notes |
Precise pa | 273 |
Precise sep | 0.266 |
Constellation | Cygnus |
SAO | 49432 |
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HIP | 100037 |
Tycho2 | 3155-01552-1 |
Gaia DR2 | 2062339808314219392 |
HD | 193246 |
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BD | BD+40 4098 |
Distance | 273.22 |
Distance ly | 891.24 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
20177+4030 | HDS2897 | 1991 | 1 | 256 | 0.3 | 8.46 | 10.76 | G5 | D | 201744.44+403024.7 | |
20177+4030 | HDS2897 | 2009 | 2 | 269 | 0.3 | 8.46 | 10.76 | G5 | D | 201744.44+403024.7 | |
20177+4030 | HDS2897 | 2010 | 3 | 275 | 0.3 | 8.46 | 10.76 | G5 | D | 201744.44+403024.7 |