Coord 2000 | 20073+3738 |
Discov num | POP 189 |
Comp | AC |
Coord arcsec 2000 | 20 07 21.55 +37 38 00.2 |
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Date first | 1985 |
Date last | 2015 |
Obs | 5 |
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Pa first | 329 |
Pa last | 328 |
P.A. Now (θ) | 328° |
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Sep first | 7.0 |
Sep last | 7.7 |
Sep. Now (ρ) | 7.7" |
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Mag pri | 11.45 |
Mag sec | 13.00 |
delta mag (ΔM) | 1.55 |
Spectral class | B2 (blue-white) |
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Pri motion ra | -001 |
Sec motion ra | |||||||||
Pri motion dec | -006 |
Sec motion dec | |||||||||
Notes |
Show | name | SAO | coord_2000 | discov# | comp | first | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 69450 | 20073+3738 | TDT1995 | AB | 1991 | 1991 | 1 | 344 | 2.5 | 11.45 | 12.02 | 0.57 | |||
Show | 69450 | 20073+3738 | POP 189 | AC | 1985 | 2015 | 5 | 328 | 7.7 | 11.45 | 13.00 | 1.55 | <=== |
Precise pa | 327.6 |
Precise sep | 7.655 |
Constellation | Cygnus |
SAO | 69450 |
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Tycho2 | 3150-03138-1 |
Gaia DR2 | 92303641984 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
20073+3738 | POP 189 | AC | 1998 | 3 | 327 | 7.7 | 11.45 | 13.00 | D | 200721.55+373800.2 | |
20073+3738 | POP 189 | AC | 2002 | 4 | 328 | 7.6 | 11.45 | 13.00 | D | 200721.55+373800.2 | |
20073+3738 | POP 189 | AC | 2015 | 5 | 328 | 7.7 | 11.45 | 13.00 | B2 | 200721.55+373800.2 |