Coord 2000 | 20169+5017 |
Discov num | ENG 73 |
Comp | AB |
Coord arcsec 2000 | 20 16 54.53 +50 16 43.4 |
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Date first | 1892 |
Date last | 2015 |
Obs | 16 |
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Pa first | 96 |
Pa last | 74 |
P.A. Now (θ) | 74° |
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Sep first | 54.5 |
Sep last | 81.4 |
Sep. Now (ρ) | 81.4" |
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Mag pri | 8.24 |
Mag sec | 10.30 |
delta mag (ΔM) | 2.06 |
Spectral class | G5 (yellow) |
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Pri motion ra | -222 |
Sec motion ra | -022 |
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Pri motion dec | -215 |
Sec motion dec | +004 |
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Notes |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 32429 | 20 16 55 +50 16 43 | ENG 73 AB | 2015 | 16 | 74 | 81.4 | 8.24 | 10.30 | 2.06 | Y | <=== | |
Show | 32429 | 20 16 55 +50 16 43 | ENG 73 AC | 2003 | 10 | 158 | 92.7 | 8.24 | 11.00 | 2.76 | |||
Show | 32429 | 20 16 55 +50 16 43 | ENG 73 AD | 2003 | 11 | 340 | 122.5 | 8.24 | 10.61 | 2.37 | |||
Show | 32429 | 20 16 55 +50 16 43 | ENG 73 AE | 2003 | 11 | 118 | 162.5 | 8.24 | 12.30 | 4.06 | |||
Show | 32429 | 20 16 55 +50 16 43 | GIC 155 AF | 2015 | 6 | 287 | 105.9 | 8.24 | 12.99 | 4.75 | |||
Show | 32429 | 20 16 55 +50 16 43 | MET 89 AH | 2003 | 1 | 67 | 4.2 | 6.40 | 18.60 | 12.20 | |||
Show | 32429 | 20 16 55 +50 16 43 | MET 89 AI | 2003 | 1 | 44 | 8.7 | 6.40 | 16.94 | 10.54 | |||
Show | 32429 | 20 16 55 +50 16 43 | MET 89 AJ | 2004 | 1 | 326 | 11.3 | 6.40 | 18.49 | 12.09 | |||
Show | 32429 | 20 16 55 +50 16 43 | MET 89 AK | 2003 | 1 | 232 | 11.7 | 6.40 | 18.41 | 12.01 | |||
Show | 32429 | 20 17 02 +50 17 03 | BUP 243 BG | 2015 | 10 | 193 | 10.5 | 10.30 | 11.04 | 0.74 | |||
Show | 32429 | 20 16 50 +50 18 38 | BUP 243 DF | 2015 | 15 | 216 | 105.9 | 10.61 | 12.99 | 2.38 | |||
Show | 32429 | 20 16 44 +50 17 14 | RAO 70 FL | 2015 | 4 | 266 | 15.1 | 12.99 | 16.40 | 3.41 |
Precise pa | 73.9 |
Precise sep | 81.427 |
Constellation | Cygnus |
SAO | 32429 |
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HIP | 99965 |
Tycho2 | 3580-00583-1 |
Gaia DR2 | 2085008267746614912 |
HD | 193216 |
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BD | BD+49 3245 |
Distance | 30.77 |
Distance ly | 100.37 |
last precise pa | 73.9 |
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last precise sep | 81.427 |
Period (P) | 418.77d | Periastron (T) | 50218d (1996.368y) | Semi-major axis (a) | 3.7m | ± 0.8 | ||
Eccentricity (e) | 0.084 | Inclination (i) | 124.9° | ± 12.1 | Longitude of periastron (ω) | 243° | ||
Node (Ω) | 174.1° | ± 8.6 | Note | Grade | 9 | (1=Definitive, 9=Indet.) | ||
Equinox | 2000 | Last observation |
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st. |
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![]() Measures: green=micrometric, blue=interferometric, purple=photographic |
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coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
20169+5017 | ENG 73 | AB | 2004 | 13 | 76 | 78.2 | 8.24 | 10.30 | G5 | NLD | 201654.53+501643.4 |
20169+5017 | ENG 73 | AB | 2012 | 15 | 74 | 81.0 | 8.24 | 10.30 | G5 | NLD | 201654.53+501643.4 |
20169+5017 | ENG 73 | AB | 2015 | 16 | 74 | 81.4 | 8.24 | 10.30 | G5 | NL U | 201654.53+501643.4 |