20599+4016 LSC 1 Aa1,2
20h 59m 55.28s +40° 15' 31.8" P.A. 257.00 sep 0.0 mag 7.00,8.20 Sp F8V dist. 40.95 pc (133.58 l.y.)
Coord 2000 |
20599+4016 |
|
Discov num |
LSC 1 |
|
Comp |
Aa1,2 |
|
Coord arcsec 2000 |
20 59 55.28 +40 15 31.8 |
|
Date first |
2012 |
|
Date last |
2012 |
|
Obs |
2 |
|
Pa first |
258 |
|
Pa last |
256.7 |
|
P.A. Now (θ) |
256.7° |
|
Sep first |
0.0 |
|
Sep last |
0.023 |
|
Sep. Now (ρ) |
0.023" |
|
Mag pri |
7.00 |
|
Mag sec |
8.20 |
|
delta mag (ΔM) |
1.2 |
|
Spectral class |
F8V (yellow-white) |
|
Pri motion ra |
+232 |
|
Sec motion ra |
|
|
Pri motion dec |
+210 |
|
Sec motion dec |
|
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
20599+4016 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
50331 |
20 59 55 +40 15 32 |
LSC 1 Aa1,2 |
2012 |
2 |
257 |
0.0 |
7.00 |
8.20 |
1.20 |
Y |
<=== |
Show |
|
50331 |
20 59 55 +40 15 32 |
COU 2431 Aa,Ab |
2018 |
12 |
205 |
2.2 |
6.66 |
10.80 |
4.14 |
|
|
Show |
HD 200077 |
50331 |
20 59 55 +40 15 32 |
ENG 79 AB |
2003 |
10 |
219 |
165.9 |
6.66 |
9.76 |
3.10 |
|
|
Show |
|
50331 |
20 59 55 +40 15 32 |
BUP 221 AC |
2003 |
9 |
154 |
210.3 |
6.66 |
9.71 |
3.05 |
|
|
Show |
|
50331 |
20 59 55 +40 15 32 |
LEP 98 AD |
2016 |
8 |
258 |
999.9 |
6.66 |
10.90 |
4.24 |
|
|
Show |
|
|
20 59 46 +40 13 24 |
BUP 221 BC |
2015 |
13 |
107 |
203.7 |
9.76 |
9.71 |
0.05 |
|
|
Show |
|
|
21 00 03 +40 12 23 |
SEI 1363 CR |
2015 |
25 |
37 |
8.7 |
9.71 |
10.67 |
0.96 |
|
|
Show |
|
|
20 58 11 +40 11 29 |
HDS 2989 Da,Db |
2018 |
11 |
143 |
0.1 |
11.16 |
12.46 |
1.30 |
Y |
|
Show |
|
|
20 58 11 +40 11 29 |
RAO 72 DE |
2012 |
3 |
118 |
19.8 |
11.00 |
15.80 |
4.80 |
|
|
Ninefold system
6 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
SAO |
50331 |
|
HIP |
103641 |
|
Tycho2 |
3171-01508-1 |
|
Gaia DR2 |
1873356986678591744 |
|
HD |
200077 |
|
BD |
BD+39 4400 |
|
Distance |
40.95 |
|
Distance ly |
133.58 |
|
SUSPECTED ORBITAL ELEMENTS
SUSPECTED ORBITAL ELEMENTS SOLUTION #1
Identifier | 20599+4016 |
coord_arcsec_2000 | 205955.28+401531.8 |
Period (P) | 112.5132d | ± 0.0013 |
Periastron (T) | 53830.169m (2006.259y) | ± 0.014 |
Semi-major axis (a) | 14.453m | ± 0.018 |
Eccentricity (e) | 0.66227 | ± 0.00051 |
Inclination (i) | 118.682° | ± 0.08 |
Longitude of periastron (ω) | 197.072° | ± 0.025 |
Node (Ω) | 89.403° | ± 0.028 |
Notes | n | |
Reference | Knc2010 | |
Equinox | 2000 | |
Last observation | | |
Grade | 8 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000-01-01 |
70.1 |
0.019 |
2001-01-01 |
348.6 |
0.005 |
2002-01-01 |
101.6 |
0.015 |
2003-01-01 |
84.9 |
0.023 |
2004-01-01 |
71.3 |
0.019 |
2005-01-01 |
6.4 |
0.005 |
2006-01-01 |
103.6 |
0.014 |
2007-01-01 |
85.7 |
0.023 |
2008-01-01 |
72.4 |
0.020 |
2009-01-01 |
20.1 |
0.006 |
2010-01-01 |
105.8 |
0.013 |
2011-01-01 |
86.5 |
0.023 |
2012-01-01 |
73.4 |
0.020 |
2013-01-01 |
30.3 |
0.007 |
2014-01-01 |
108.6 |
0.012 |
2015-01-01 |
87.2 |
0.023 |
2016-01-01 |
74.3 |
0.021 |
2017-01-01 |
38.0 |
0.008 |
2018-01-01 |
112.1 |
0.010 |
2019-01-01 |
88.0 |
0.023 |
2020-01-01 |
75.3 |
0.021 |
2021-01-01 |
43.8 |
0.009 |
2022-01-01 |
116.6 |
0.009 |
2023-01-01 |
88.8 |
0.022 |
2024-01-01 |
76.2 |
0.022 |
2025-01-01 |
48.4 |
0.010 |
2026-01-01 |
123.1 |
0.007 |
2027-01-01 |
89.7 |
0.022 |
2028-01-01 |
77.0 |
0.022 |
2029-01-01 |
52.2 |
0.011 |
2030-01-01 |
133.1 |
0.006 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
SUSPECTED ORBITAL ELEMENTS
SUSPECTED ORBITAL ELEMENTS SOLUTION #2
Identifier | 20599+4016 |
coord_arcsec_2000 | 205955.28+401531.8 |
Period (P) | 0.3081y | |
Periastron (T) | 2013.0444y | |
Semi-major axis (a) | 0.01391a | |
Eccentricity (e) | 0.6565 | |
Inclination (i) | 59.8° | |
Longitude of periastron (ω) | 17.3° | |
Node (Ω) | 69.8° | |
Notes | n | |
Reference | Doc2013c | |
Equinox | 2000 | |
Last observation | 2012 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
268.7 |
0.019 |
2001 |
330.2 |
0.005 |
2002 |
233.8 |
0.013 |
2003 |
253.4 |
0.022 |
2004 |
267.4 |
0.019 |
2005 |
316.5 |
0.006 |
2006 |
230.8 |
0.012 |
2007 |
252.5 |
0.022 |
2008 |
266.2 |
0.020 |
2009 |
306.6 |
0.007 |
2010 |
227.0 |
0.010 |
2011 |
251.5 |
0.022 |
2012 |
265.1 |
0.020 |
2013 |
299.2 |
0.008 |
2014 |
221.9 |
0.009 |
2015 |
250.5 |
0.021 |
2016 |
264.0 |
0.021 |
2017 |
293.5 |
0.010 |
2018 |
214.5 |
0.007 |
2019 |
249.5 |
0.021 |
2020 |
262.9 |
0.021 |
2021 |
289.0 |
0.011 |
2022 |
202.6 |
0.005 |
2023 |
248.5 |
0.021 |
2024 |
261.9 |
0.021 |
2025 |
285.3 |
0.012 |
2026 |
180.6 |
0.004 |
2027 |
247.4 |
0.020 |
2028 |
261.0 |
0.022 |
2029 |
282.3 |
0.013 |
2030 |
141.7 |
0.003 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
SUSPECTED ORBITAL ELEMENTS
SUSPECTED ORBITAL ELEMENTS SOLUTION #3
Identifier | 20599+4016 |
coord_arcsec_2000 | 205955.28+401531.8 |
Period (P) | 0.3081y | |
Periastron (T) | 2013.0444y | |
Semi-major axis (a) | 0.01391a | |
Eccentricity (e) | 0.6565 | |
Inclination (i) | 120.2° | |
Longitude of periastron (ω) | 17.3° | |
Node (Ω) | 84.7° | |
Notes | n | |
Reference | Doc2013c | |
Equinox | 2000 | |
Last observation | 2012 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
245.8 |
0.019 |
2001 |
184.3 |
0.005 |
2002 |
280.7 |
0.013 |
2003 |
261.1 |
0.022 |
2004 |
247.1 |
0.019 |
2005 |
198.0 |
0.006 |
2006 |
283.7 |
0.012 |
2007 |
262.0 |
0.022 |
2008 |
248.3 |
0.020 |
2009 |
207.9 |
0.007 |
2010 |
287.5 |
0.010 |
2011 |
263.0 |
0.022 |
2012 |
249.4 |
0.020 |
2013 |
215.3 |
0.008 |
2014 |
292.6 |
0.009 |
2015 |
264.0 |
0.021 |
2016 |
250.5 |
0.021 |
2017 |
221.0 |
0.010 |
2018 |
300.0 |
0.007 |
2019 |
265.0 |
0.021 |
2020 |
251.6 |
0.021 |
2021 |
225.5 |
0.011 |
2022 |
311.9 |
0.005 |
2023 |
266.0 |
0.021 |
2024 |
252.6 |
0.021 |
2025 |
229.2 |
0.012 |
2026 |
333.9 |
0.004 |
2027 |
267.1 |
0.020 |
2028 |
253.5 |
0.022 |
2029 |
232.2 |
0.013 |
2030 |
12.8 |
0.003 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|