20521+0205 A 2286 AB
20h 52m 08.54s +02° 05' 15.6" P.A. 5.00 sep 0.0 mag 9.14,9.30 Sp F0
Coord 2000 |
20521+0205 |
|
Discov num |
A 2286 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 52 08.54 +02 05 15.6 |
|
Date first |
1910 |
|
Date last |
2021 |
|
Obs |
13 |
|
Pa first |
127 |
|
Pa last |
5.1 |
|
P.A. Now (θ) |
5.1° |
|
Sep first |
0.3 |
|
Sep last |
0.047 |
|
Sep. Now (ρ) |
0.047" |
|
Mag pri |
9.14 |
|
Mag sec |
9.30 |
|
delta mag (ΔM) |
0.16 |
|
Spectral class |
F0 (yellow-white) |
|
Pri motion ra |
+016 |
|
Sec motion ra |
|
|
Pri motion dec |
+010 |
|
Sec motion dec |
|
|
Notes |
O
(Orbital solution) |
|
This double is physical.
20521+0205 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
126310 |
20 52 09 +02 05 16 |
A 2286 AB |
2021 |
13 |
5 |
0.0 |
9.14 |
9.30 |
0.16 |
Y |
<=== |
Show |
HD 198706 |
126310 |
20 52 09 +02 05 16 |
A 2286 AB,C |
2021 |
21 |
48 |
1.1 |
9.14 |
10.09 |
0.95 |
|
|
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Aquarius |
|
SAO |
126310 |
|
Tycho2 |
0516-01427-1 |
|
Gaia DR2 |
1730803581854622592 |
|
HD |
198706 |
|
ADS |
14372 |
|
ORBITAL ELEMENTS
Period (P) | 273y | |
Periastron (T) | 2015.07y | |
Semi-major axis (a) | 0.311a | |
Eccentricity (e) | 0.687 | |
Inclination (i) | 60.6° | |
Longitude of periastron (ω) | 226.8° | |
Node (Ω) | 83.3° | |
Notes | | |
Reference | Tok2020e | |
Equinox | | |
Last observation | 2019 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
234.9 |
0.133 |
2001 |
237.5 |
0.132 |
2002 |
240.1 |
0.131 |
2003 |
242.7 |
0.130 |
2004 |
245.4 |
0.129 |
2005 |
248.2 |
0.127 |
2006 |
251.1 |
0.125 |
2007 |
254.0 |
0.123 |
2008 |
257.1 |
0.119 |
2009 |
260.4 |
0.115 |
2010 |
264.0 |
0.111 |
2011 |
267.9 |
0.105 |
2012 |
272.3 |
0.099 |
2013 |
277.3 |
0.092 |
2014 |
283.2 |
0.084 |
2015 |
290.3 |
0.076 |
2016 |
299.2 |
0.068 |
2017 |
310.3 |
0.061 |
2018 |
323.9 |
0.055 |
2019 |
339.5 |
0.053 |
2020 |
355.6 |
0.054 |
2021 |
10.1 |
0.058 |
2022 |
22.1 |
0.065 |
2023 |
31.6 |
0.074 |
2024 |
39.0 |
0.083 |
2025 |
44.8 |
0.093 |
2026 |
49.5 |
0.104 |
2027 |
53.3 |
0.114 |
2028 |
56.5 |
0.124 |
2029 |
59.3 |
0.135 |
2030 |
61.6 |
0.145 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 20521+0205 A 2286 AB : NOTES
No records found.
REFERENCES
refcode |
metd |
author |
reference |
Tok2020e |
St j |
Tokovinin, A., Mason, B.D., Mendez, R.A., Costa, E. & Horch, E.P. |
2020AJ....160....7T |
Tok2020e |
+orb |
AJ 160, 7, 2020 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
A |
Aitken, R.G. |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
20521+0205 |
A 2286 |
AB |
1984 |
8 |
276 |
0.2 |
9.14 |
9.30 |
F0 |
|
205208.54+020515.6 |
20521+0205 |
A 2286 |
AB |
2017 |
9 |
328 |
0.1 |
9.14 |
9.30 |
F0 |
|
205208.54+020515.6 |
20521+0205 |
A 2286 |
AB |
2018 |
10 |
327 |
0.1 |
9.14 |
9.30 |
F0 |
|
205208.54+020515.6 |
20521+0205 |
A 2286 |
AB |
2019 |
11 |
349 |
0.1 |
9.14 |
9.30 |
F0 |
|
205208.54+020515.6 |
20521+0205 |
A 2286 |
AB |
2021 |
13 |
5 |
0.0 |
9.14 |
9.30 |
F0 |
|
205208.54+020515.6 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 20521+0205 A 2286 AB : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 20521+0205 A 2286 AB : MEASURES
No records found.
WDS 20521+0205 : VIRTUAL EYEPIECE
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
|
|
WDS 20521+0205 : ALADIN DSS IMAGE @ 20h 52m 08.54s +02° 05' 15.6"
WDS 20521+0205 A 2286 AB : NEIGHBORHOODS
|
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
|
Show |
name |
coord_2000 |
discov# |
comp |
pa |
sep |
dist(') |
Show |
|
20521+0205 |
A 2286 |
AB |
5 |
0.0 |
|
Show |
|
20521+0205 |
A 2286 |
AB,C |
48 |
1.1 |
|
Show |
|
20510+0210 |
BAL1574 |
|
21 |
18.3 |
19 |
Show |
|
20510+0211 |
BAL1573 |
|
225 |
5.6 |
20 |
Show |
|
20521+0225 |
TDT2592 |
|
183 |
1.5 |
21 |
Show |
|
20537+0154 |
RST5473 |
|
20 |
3.0 |
27 |
Show |
|
20510+0227 |
BAL2037 |
|
2 |
6.4 |
29 |
Show |
|
20504+0222 |
GWP3004 |
|
12 |
15.6 |
32 |
Show |
|
20525+0130 |
BAL1575 |
|
175 |
16.6 |
37 |
Show |
|
20493+0156 |
OSO 136 |
|
109 |
12.8 |
44 |
Show |
|
20535+0300 |
HEI 819 |
|
135 |
0.2 |
59 |
Show |
|
20485+0143 |
RST5471 |
|
14 |
0.6 |
60 |
Show |
|
20481+0224 |
BAL2035 |
|
304 |
12.9 |
63 |
Show |
|
20544+0112 |
LDS4860 |
|
138 |
3.4 |
64 |
Show |
|
20531+0104 |
TDT2604 |
|
87 |
0.7 |
64 |
Show |
|
20525+0310 |
GWP3009 |
|
237 |
76.6 |
66 |
Show |
|
20509+0101 |
TDT2577 |
Aa,Ab |
104 |
0.5 |
67 |
Show |
|
20509+0101 |
RST5472 |
AB |
77 |
3.7 |
67 |
Show |
|
20528+0311 |
HLD 43 |
|
9 |
2.2 |
67 |
Show |
|
20572+0144 |
UC 4342 |
|
239 |
14.2 |
79 |
Show |
|
20575+0214 |
BAL1577 |
|
221 |
4.9 |
82 |
Show |
|
20551+0314 |
UC 4324 |
|
290 |
9.9 |
83 |
Show |
|
20543+0321 |
BAL2039 |
|
28 |
14.7 |
83 |
Show |
|
20552+0314 |
BAL2040 |
|
68 |
8.4 |
83 |
Show |
|
20571+0128 |
J 2332 |
|
231 |
3.1 |
84 |
Show |
|
20472+0247 |
UC 4286 |
|
114 |
31.3 |
85 |
Show |
|
20514-0041 |
SKF1771 |
|
13 |
1.2 |
85 |
Show |
|
20549+0051 |
SKF1772 |
|
334 |
2.5 |
85 |
Show |
|
20486-0055 |
BAL 616 |
|
206 |
2.4 |
89 |
Show |
|
20471+0253 |
TDT2536 |
|
352 |
1.6 |
90 |
Show |
|
20510-0038 |
J 1711 |
|
222 |
8.4 |
91 |
Show |
|
20546-0042 |
A 877 |
|
9 |
0.6 |
92 |
Show |
|
20475+0105 |
BAL1220 |
|
193 |
21.1 |
93 |
Show |
|
20529+0337 |
BAL2547 |
|
220 |
8.5 |
93 |
Show |
|
20537+0336 |
BAL2548 |
|
258 |
7.5 |
94 |
Show |
|
20459+0211 |
GRV 377 |
|
354 |
27.3 |
94 |
Show |
|
20481+0053 |
CVR 873 |
|
324 |
12.3 |
95 |
Show |
|
20523-0030 |
BAL 927 |
|
285 |
4.5 |
95 |
Show |
|
20539-0035 |
J 2328 |
|
351 |
3.2 |
96 |
Show |
|
20585+0143 |
GWP3023 |
|
358 |
76.3 |
98 |
Show |
|
20455+0201 |
BAL1571 |
|
307 |
6.8 |
100 |
Show |
|
20584+0118 |
RST5474 |
|
194 |
2.0 |
105 |
Show |
|
20508-0020 |
BAL 926 |
|
239 |
2.4 |
108 |
Show |
|
20513+0353 |
GWP3006 |
|
117 |
24.4 |
109 |
Show |
|
20541+0357 |
HJ 3005 |
|
300 |
30.5 |
116 |
Show |
|
20551-0018 |
UC 4325 |
|
271 |
61.6 |
116 |
Show |
|
20595+0242 |
HJ 928 |
|
74 |
16.5 |
116 |
Show |
|
20578-0043 |
UC 4344 |
|
15 |
42.7 |
119 |
Show |
|
20575+0036 |
HWE 101 |
AB |
139 |
40.7 |
120 |
Show |
|
20575+0036 |
HWE 101 |
AC |
313 |
11.7 |
120 |
Show |
|
20572+0028 |
HWE 55 |
AB |
71 |
26.3 |
124 |
|
|
WDS 20521+0205 : COMPONENTS
|
A |
B |
B |
pa=5.1°
sep=0.05"
| |
C |
pa=47.8°
sep=1.08"
| pa=49.5°
sep=1.05"
|
20521+0205 A
Coord arcsec 2000 |
205208.54+020515.6 |
|
Mag |
9.14 |
|
Spectral class |
F0 (yellow-white) |
|
PmRA |
16.00 |
|
PmDE |
10.0 |
|
SAO |
126310 |
|
Tycho2 |
0516-01427-1 |
|
HD |
198706 |
|
ADS |
14372 |
|
DM |
BD+01 4383 |
|
Tycho2 |
0516-01427-1 |
|
Pflag |
P |
|
RAmdeg |
313.03560259 |
|
DEmdeg |
2.08767343 |
|
PmRA |
16.3 |
|
PmDE |
0.2 |
|
E RAmdeg |
6 |
|
E DEmdeg |
10 |
|
E pmRA |
1.4 |
|
E pmDE |
1.4 |
|
EpRAm |
1991.54 |
|
EpDEm |
1990.67 |
|
Num |
6 |
|
Q RAmdeg |
1.0 |
|
Q DEmdeg |
0.7 |
|
Q pmRA |
1.1 |
|
Q pmDE |
0.6 |
|
BTmag |
9.450 |
|
E BTmag |
0.017 |
|
VTmag |
9.135 |
|
E VTmag |
0.015 |
|
Prox |
10 |
|
TYC |
T |
|
HIP |
|
|
CCDM |
|
|
RAdeg |
313.03552778 |
|
DEdeg |
2.08763583 |
|
EpRA 1990 |
1.80 |
|
EpDE 1990 |
1.45 |
|
E RAdeg |
6.3 |
|
E DEdeg |
9.5 |
|
Posflg |
D |
|
Corr |
0.0 |
|
SAO |
126310 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
0.0011 |
|
DE1950 |
|
|
PmDE1950 |
0.013 |
|
Vmag |
8.9 |
|
SpType |
F0 |
|
Double code |
|
|
Source |
30 |
|
CatNum |
7308 |
|
DM |
BD+01 4383 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
198706 |
|
M HD |
0 |
|
GC |
|
|
RA1950rad |
5.45243998 |
|
DE1950rad |
0.03313918 |
|
PmRA2000 |
0.0013 |
|
PmDE2000 |
0.01 |
|
Ccdm |
20521+0205 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
2.49 |
|
DDEs |
15.9 |
|
R dRAs |
10 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
3 |
|
Vmag |
9.2 |
|
Sp |
F0 |
|
PmNote |
* |
|
PmRA |
21 |
|
PmDE |
6 |
|
Dm number |
+01 4383 |
|
Cat1 |
BD |
|
Name2 |
+01 2511 |
|
Cat2 |
AGK2/3 |
|
HD |
198706 |
|
M HD |
|
|
ADS BDS |
A14372 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
20471N0143A |
|
HIC |
|
|
20521+0205 B
Coord arcsec 2000 |
205208.54+020515.6 |
|
Mag |
9.3 |
|
Calc delta mag |
0.16 |
|
Calc coord |
yes |
|
Ccdm |
20521+0205 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
A 2286 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1944 |
|
Theta |
129 |
|
Rho |
0.3 |
|
Obs |
5 |
|
Vmag |
9.4 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A14372 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
20471N0143B |
|
HIC |
|
|
20521+0205 C
Coord arcsec 2000 |
205208.59+020516.3 |
|
Mag |
10.09 |
|
PmRA |
16.00 |
|
PmDE |
0.0 |
|
Tycho2 |
0516-01427-2 |
|
Calc delta mag |
0.95 |
|
Calc coord |
yes |
|
Tycho2 |
0516-01427-2 |
|
Pflag |
P |
|
RAmdeg |
313.03560259 |
|
DEmdeg |
2.08767343 |
|
PmRA |
16.3 |
|
PmDE |
0.2 |
|
E RAmdeg |
6 |
|
E DEmdeg |
10 |
|
E pmRA |
1.4 |
|
E pmDE |
1.4 |
|
EpRAm |
1991.54 |
|
EpDEm |
1990.67 |
|
Num |
6 |
|
Q RAmdeg |
1.0 |
|
Q DEmdeg |
0.7 |
|
Q pmRA |
1.1 |
|
Q pmDE |
0.6 |
|
BTmag |
10.516 |
|
E BTmag |
0.029 |
|
VTmag |
10.085 |
|
E VTmag |
0.027 |
|
Prox |
10 |
|
TYC |
|
|
HIP |
|
|
CCDM |
|
|
RAdeg |
313.03572833 |
|
DEdeg |
2.08783333 |
|
EpRA 1990 |
1.80 |
|
EpDE 1990 |
1.45 |
|
E RAdeg |
13.3 |
|
E DEdeg |
21.0 |
|
Posflg |
D |
|
Corr |
0.0 |
|
Ccdm |
20521+0205 |
|
RComp |
|
|
Comp |
C |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
A 2286 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1951 |
|
Theta |
034 |
|
Rho |
0.9 |
|
Obs |
7 |
|
Vmag |
10.0 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A14372 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
20471N0143C |
|
HIC |
|
|