Coord 2000 | 19450+4508 |
Discov num | DAL 37 |
Comp | FG |
Coord arcsec 2000 | 19 45 11.17 +45 08 51.4 |
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Date first | 2007 |
Date last | 2015 |
Obs | 2 |
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Pa first | 311 |
Pa last | 312 |
P.A. Now (θ) | 312° |
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Sep first | 3.2 |
Sep last | 3.1 |
Sep. Now (ρ) | 3.1" |
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Mag pri | 13.00 |
Mag sec | 13.80 |
delta mag (ΔM) | 0.8 |
Spectral class | |||||
Pri motion ra | -001 |
Sec motion ra | |||||||||
Pri motion dec | -009 |
Sec motion dec | |||||||||
Notes | N
(See Notes) |
Show | name | SAO | coord_2000 | discov# | comp | first | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | Del Cyg | 48796 | 19450+4508 | STF2579 | AB | 1826 | 2017 | 487 | 215 | 2.8 | 2.89 | 6.27 | 3.38 | Y | |
Show | 48796 | 19450+4508 | STF2579 | AC | 1913 | 2017 | 8 | 67 | 62.5 | 2.89 | 12.00 | 9.11 | |||
Show | 48796 | 19450+4508 | DAL 37 | AD | 1998 | 2007 | 3 | 246 | 42.0 | 2.89 | 14.80 | 11.91 | |||
Show | 48796 | 19450+4508 | DAL 37 | AF | 1998 | 2007 | 3 | 66 | 147.5 | 2.89 | 12.80 | 9.91 | |||
Show | 48796 | 19450+4508 | DAL 37 | DE | 1998 | 2015 | 4 | 251 | 3.5 | 14.80 | 15.20 | 0.40 | |||
Show | 48796 | 19450+4508 | DAL 37 | FG | 2007 | 2015 | 2 | 312 | 3.1 | 13.00 | 13.80 | 0.80 | <=== |
Precise pa | 311.5 |
Precise sep | 3.055 |
Constellation | Cygnus |
SAO | 48796 |
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Gaia DR2 | 28029245440 |
HD | 186882 |
HR | 7528 |
DM | BD+44 3234 |
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Flamsteed | 18 Cygni |
Flamsteed name | 18 Cyg |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
19450+4508 | DAL 37 | FG | 2007 | 1 | 311 | 3.2 | 13.10 | 13.80 | 194511.17+450851.4 | ||
19450+4508 | DAL 37 | FG | 2015 | 2 | 312 | 3.1 | 13.00 | 13.80 | N | 194511.17+450851.4 |