18043+4206 COU 1786 Aa,Ab
18h 04m 16.91s +42° 05' 45.0" P.A. 11.00 sep 0.2 mag 8.33,9.11 Sp F0 dist. 141.04 pc (460.07 l.y.)
Coord 2000 |
18043+4206 |
|
Discov num |
COU1786 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
18 04 16.91 +42 05 45.0 |
|
Date first |
1979 |
|
Date last |
2016 |
|
Obs |
35 |
|
Pa first |
75 |
|
Pa last |
11.4 |
|
P.A. Now (θ) |
17.7° |
|
Sep first |
0.1 |
|
Sep last |
0.152 |
|
Sep. Now (ρ) |
0.187" |
|
Mag pri |
8.33 |
|
Mag sec |
9.11 |
|
delta mag (ΔM) |
0.78 |
|
Spectral class |
F0 (yellow-white) |
|
Pri motion ra |
+009 |
|
Sec motion ra |
|
|
Pri motion dec |
+029 |
|
Sec motion dec |
|
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
18043+4206 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
47188 |
18 04 17 +42 05 45 |
COU 1786 Aa,Ab |
2016 |
35 |
11 |
0.2 |
8.33 |
9.11 |
0.78 |
Y |
<=== |
Show |
HD 165503 |
47188 |
18 04 17 +42 05 45 |
ROE 1 AB |
2015 |
14 |
186 |
24.3 |
8.33 |
12.40 |
4.07 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
SAO |
47188 |
|
HIP |
88498 |
|
Tycho2 |
3110-01491-1 |
|
Gaia DR2 |
2113742900320323968 |
|
HD |
165503 |
|
BD |
BD+42 2995 |
|
Distance |
141.04 |
|
Distance ly |
460.07 |
|
ORBITAL ELEMENTS
Period (P) | 56.97y | ± 9.62 |
Periastron (T) | 2045.61y | ± 10.85 |
Semi-major axis (a) | 0.148a | ± 0.015 |
Eccentricity (e) | 0.304 | ± 0.068 |
Inclination (i) | 42.3° | ± 2.9 |
Longitude of periastron (ω) | 332.8° | ± 6.8 |
Node (Ω) | 202.1° | ± 9 |
Notes | n | |
Reference | Hrt2009 | |
Equinox | | |
Last observation | 2007 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
278.3 |
0.110 |
2001 |
286.2 |
0.113 |
2002 |
293.6 |
0.116 |
2003 |
300.6 |
0.120 |
2004 |
307.2 |
0.124 |
2005 |
313.2 |
0.129 |
2006 |
318.8 |
0.134 |
2007 |
324.0 |
0.140 |
2008 |
328.8 |
0.145 |
2009 |
333.3 |
0.151 |
2010 |
337.5 |
0.156 |
2011 |
341.4 |
0.161 |
2012 |
345.0 |
0.166 |
2013 |
348.5 |
0.170 |
2014 |
351.8 |
0.174 |
2015 |
354.9 |
0.178 |
2016 |
358.0 |
0.181 |
2017 |
0.9 |
0.183 |
2018 |
3.8 |
0.185 |
2019 |
6.6 |
0.187 |
2020 |
9.4 |
0.188 |
2021 |
12.1 |
0.188 |
2022 |
14.9 |
0.188 |
2023 |
17.7 |
0.187 |
2024 |
20.5 |
0.185 |
2025 |
23.3 |
0.183 |
2026 |
26.3 |
0.180 |
2027 |
29.4 |
0.176 |
2028 |
32.6 |
0.172 |
2029 |
36.0 |
0.167 |
2030 |
39.6 |
0.161 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 18043+4206 COU 1786 Aa,Ab : NOTES
discov_num |
notes |
refcode |
COU1786 |
Malkov et al. (2012) derive dynamical, photometric, and spectroscopic |
|
|
masses of 2.80 +/- 1.44, 3.07, and 1.45 Msun, respectively. |
Mlk2012 |
REFERENCES
refcode |
metd |
author |
reference |
Hrt2009 |
Su j |
Hartkopf, W.I. & Mason, B.D. |
2009AJ....138..813H |
Hrt2009 |
+orb |
AJ 138, 813, 2009 |
|
Mlk2012 |
not - |
Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. |
2012A&A...546A..69M |
Mlk2012 |
|
A&A 546, A69, 2012 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
COU |
Couteau, P. |
240 |
ROE |
Roe, E.D. |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
18043+4206 |
COU1786 |
Aa,Ab |
2009 |
33 |
338 |
0.1 |
8.33 |
9.11 |
F0 |
NO |
180416.91+420545.0 |
18043+4206 |
COU1786 |
Aa,Ab |
2016 |
34 |
11 |
0.2 |
8.33 |
9.11 |
F0 |
NO |
180416.91+420545.0 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 18043+4206 COU 1786 Aa,Ab : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 18043+4206 COU 1786 Aa,Ab : MEASURES
No records found.
WDS 18043+4206 : 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 18043+4206 : ALADIN DSS IMAGE @ 18h 04m 16.91s +42° 05' 45.0"
WDS 18043+4206 COU 1786 Aa,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 |
|
18043+4206 |
COU1786 |
Aa,Ab |
11 |
0.2 |
|
Show |
|
18043+4206 |
ROE 1 |
AB |
186 |
24.3 |
|
Show |
|
18026+4204 |
UC 3480 |
|
18 |
23.8 |
19 |
Show |
|
18058+4215 |
KPP2613 |
|
113 |
24.0 |
20 |
Show |
|
18063+4213 |
ROE 18 |
|
171 |
14.9 |
24 |
Show |
|
18031+4158 |
DOO 10 |
|
292 |
4.9 |
28 |
Show |
|
18019+4202 |
DAM 103 |
|
206 |
11.0 |
28 |
Show |
|
18050+4233 |
UC 3488 |
|
313 |
4.2 |
29 |
Show |
|
18007+4145 |
ES 1558 |
|
298 |
6.3 |
44 |
Show |
|
18055+4301 |
TDS 903 |
|
173 |
1.1 |
57 |
Show |
|
18029+4109 |
ES 1648 |
|
9 |
3.7 |
59 |
Show |
|
18054+4306 |
COU1787 |
|
325 |
0.4 |
62 |
Show |
|
17587+4231 |
POP 123 |
|
232 |
3.4 |
69 |
Show |
|
18109+4242 |
ROE 5 |
AB |
115 |
14.9 |
72 |
Show |
|
18109+4242 |
ROE 5 |
AC |
32 |
193.5 |
72 |
Show |
|
18108+4212 |
TDT 724 |
|
56 |
0.5 |
73 |
Show |
|
18058+4054 |
TDT 677 |
|
231 |
0.5 |
74 |
Show |
|
18109+4242 |
ROE 6 |
CD |
228 |
11.1 |
75 |
Show |
|
17592+4115 |
COU1783 |
|
47 |
2.8 |
76 |
Show |
|
18018+4052 |
BVD 259 |
|
277 |
10.6 |
80 |
Show |
|
17596+4314 |
COU1784 |
|
97 |
2.2 |
86 |
Show |
|
17572+4131 |
COU1782 |
|
190 |
0.4 |
87 |
Show |
|
18092+4314 |
ES 1417 |
BC |
277 |
4.2 |
87 |
Show |
|
18092+4314 |
ES 1417 |
AB |
206 |
13.9 |
87 |
Show |
|
17590+4058 |
BRT 345 |
|
138 |
2.8 |
91 |
Show |
|
18094+4319 |
ES 1418 |
|
303 |
4.3 |
93 |
Show |
|
18035+4032 |
COU1785 |
|
30 |
0.2 |
95 |
Show |
|
17572+4112 |
KPP4072 |
|
266 |
1.5 |
97 |
Show |
|
17569+4115 |
STF2255 |
|
343 |
9.1 |
98 |
Show |
|
17571+4303 |
CBL 520 |
|
111 |
35.8 |
98 |
Show |
|
18126+4123 |
STF2298 |
AB |
172 |
1.9 |
103 |
Show |
|
18126+4123 |
STF2298 |
AC |
40 |
72.9 |
103 |
Show |
|
18126+4123 |
WAL 89 |
AB,D |
71 |
46.6 |
103 |
Show |
|
18131+4129 |
TOK 319 |
|
301 |
94.2 |
106 |
Show |
|
18097+4334 |
CVR 868 |
|
207 |
28.7 |
107 |
Show |
|
18130+4251 |
ES 473 |
AB |
98 |
30.7 |
107 |
Show |
|
18130+4251 |
SLV 6 |
AC |
129 |
42.8 |
107 |
Show |
|
18065+4022 |
STF2282 |
AB |
83 |
2.7 |
108 |
Show |
|
18065+4022 |
STF2282 |
AC |
80 |
2.7 |
108 |
Show |
|
18065+4022 |
STF2282 |
BC |
48 |
0.2 |
108 |
Show |
|
18130+4251 |
ES 473 |
BC |
173 |
22.5 |
108 |
Show |
|
18015+4019 |
HO 77 |
|
312 |
2.0 |
111 |
Show |
|
17555+4108 |
COU1601 |
Aa,Ab |
63 |
0.5 |
115 |
Show |
|
17555+4108 |
ES 1557 |
AB |
11 |
11.5 |
115 |
Show |
|
17555+4108 |
ES 1557 |
AC |
216 |
27.0 |
115 |
Show |
|
17555+4108 |
ES 1557 |
AD |
312 |
40.1 |
115 |
Show |
|
17555+4108 |
ABH 92 |
AE |
324 |
71.1 |
115 |
Show |
|
18058+4400 |
LDS4775 |
|
53 |
15.7 |
116 |
Show |
|
18017+4011 |
STF2267 |
|
280 |
0.4 |
119 |
Show |
|
17550+4107 |
UC 3444 |
|
130 |
12.0 |
120 |
Show |
|
18132+4315 |
A 576 |
|
282 |
0.4 |
121 |
|
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WDS 18043+4206 : COMPONENTS
|
A |
Ab |
Ab |
pa=8.5°
sep=0.15"
| |
B |
pa=184.5°
sep=24.20"
| pa=184.5°
sep=24.35"
|
18043+4206 A
Name |
HD 165503 |
|
Coord arcsec 2000 |
180416.91+420545.0 |
|
Mag |
8.33 |
|
Spectral class |
A8III (white) |
|
PmRA |
9.00 |
|
PmDE |
29.0 |
|
SAO |
47188 |
|
HIP |
88498 |
|
Tycho2 |
3110-01491-1 |
|
HD |
165503 |
|
BD |
BD+42 2995 |
|
Tycho2 |
3110-01491-1 |
|
Pflag |
|
|
RAmdeg |
271.07043886 |
|
DEmdeg |
42.09586570 |
|
PmRA |
-2.0 |
|
PmDE |
15.7 |
|
E RAmdeg |
5 |
|
E DEmdeg |
5 |
|
E pmRA |
1.1 |
|
E pmDE |
1.2 |
|
EpRAm |
1991.25 |
|
EpDEm |
1991.28 |
|
Num |
9 |
|
Q RAmdeg |
0.8 |
|
Q DEmdeg |
1.4 |
|
Q pmRA |
0.9 |
|
Q pmDE |
1.3 |
|
BTmag |
8.139 |
|
E BTmag |
0.016 |
|
VTmag |
7.863 |
|
E VTmag |
0.011 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
88498 |
|
CCDM |
AS |
|
RAdeg |
271.07044528 |
|
DEdeg |
42.09582944 |
|
EpRA 1990 |
1.62 |
|
EpDE 1990 |
1.62 |
|
E RAdeg |
4.9 |
|
E DEdeg |
4.9 |
|
Posflg |
P |
|
Corr |
-0.1 |
|
SAO |
47188 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0006 |
|
DE1950 |
|
|
PmDE1950 |
0.01 |
|
Vmag |
7.5 |
|
SpType |
F0 |
|
Double code |
|
|
Source |
4 |
|
CatNum |
1554 |
|
DM |
BD+42 2995 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
165503 |
|
M HD |
0 |
|
GC |
|
|
RA1950rad |
4.72427507 |
|
DE1950rad |
0.73463139 |
|
PmRA2000 |
-0.0002 |
|
PmDE2000 |
0.01 |
|
Catalog |
H |
|
HIP |
88498 |
|
Proxy |
H |
|
RAhms |
18 04 16.91 |
|
DEdms |
+42 05 45.0 |
|
Vmag |
7.84 |
|
VarFlag |
|
|
R Vmag |
G |
|
RAdeg |
271.07 |
|
DEdeg |
42.0958 |
|
AstroRef |
* |
|
Plx |
6.59 |
|
CCDM |
18043+4206 |
|
N CCDM |
M |
|
Nsys |
1 |
|
Ncomp |
2 |
|
MultFlag |
C |
|
Source |
S |
|
Qual |
B |
|
M HIP |
AS |
|
Theta |
7 |
|
Rho |
0.11 |
|
HD |
165503 |
|
BD |
BD+42 2995 |
|
CD |
|
|
CP |
|
|
Dm number |
+42 2995 |
|
VIred |
0.34 |
|
SpType |
F0 |
|
R SpType |
|
|
Coord arcsec 2000 |
180416.91+420545.0 |
|
HIP |
88498 |
|
Sn |
55 |
|
So |
3 |
|
Nc |
2 |
|
RArad |
4.7310717659 |
|
DErad |
0.7347107858 |
|
Plx |
7.09 |
|
PmRA |
-0.69 |
|
PmDE |
16.57 |
|
E RArad |
0.46 |
|
E DErad |
0.49 |
|
E Plx |
0.56 |
|
E pmRA |
0.51 |
|
E pmDE |
0.6 |
|
Hpmag |
7.9019 |
|
E Hpmag |
0.0013 |
|
SHp |
0.012 |
|
VA |
0 |
|
BV |
0.296 |
|
E BV |
0.006 |
|
VI |
0.34 |
|
Ccdm |
18043+4206 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
-1.09 |
|
DDEs |
-14.2 |
|
R dRAs |
10 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
2 |
|
Vmag |
8.2 |
|
Sp |
F0 |
|
PmNote |
* |
|
PmRA |
14 |
|
PmDE |
30 |
|
Dm number |
+42 2995 |
|
Cat1 |
BD |
|
Name2 |
+42 1554 |
|
Cat2 |
AGK2/3 |
|
HD |
165503 |
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
18012N4205A |
|
HIC |
88498 |
|
18043+4206 Ab
Coord arcsec 2000 |
180416.91+420545.1 |
|
Mag |
9.11 |
|
Calc delta mag |
0.78 |
|
Calc coord |
yes |
|
18043+4206 B
Coord arcsec 2000 |
180416.74+420520.9 |
|
Mag |
12.4 |
|
Calc delta mag |
4.07 |
|
Calc coord |
yes |
|
Ccdm |
18043+4206 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
* |
|
Note2 |
|
|
Discov num |
COU1786 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1979 |
|
Theta |
72 |
|
Rho |
0.1 |
|
Obs |
4 |
|
Vmag |
8.2 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
18012N4205B |
|
HIC |
88498 |
|