20012-3835 HDO 294 (HD 189386)
20h 01m 12.74s -38° 35' 12.7" P.A. 33.00 sep 1.3 mag 8.08,9.11 Sp F3V dist. 68.49 pc (223.41 l.y.)
Coord 2000 |
20012-3835 |
|
Discov num |
HDO 294 |
|
Comp |
|
|
Coord arcsec 2000 |
20 01 12.74 -38 35 12.7 |
|
Date first |
1897 |
|
Date last |
2019 |
|
Obs |
63 |
|
Pa first |
120 |
|
Pa last |
33.2 |
|
P.A. Now (θ) |
33.2° |
|
Sep first |
1.5 |
|
Sep last |
1.26 |
|
Sep. Now (ρ) |
1.26" |
|
Mag pri |
8.08 |
|
Mag sec |
9.11 |
|
delta mag (ΔM) |
1.03 |
|
Spectral class |
F3V (yellow-white) |
|
Pri motion ra |
+018 |
|
Sec motion ra |
+018 |
|
Pri motion dec |
-070 |
|
Sec motion dec |
-070 |
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 189386 |
|
Constellation |
Sagittarius |
|
SAO |
211734 |
|
HIP |
98556 |
|
Tycho2 |
7947-00530-1 |
|
Gaia DR2 |
6690907208575405056 |
|
HD |
189386 |
|
GC |
27717 |
|
CD |
CD-3813809 |
|
CP |
CP-38 7919 |
|
Distance |
68.49 |
|
Distance ly |
223.41 |
|
ORBITAL ELEMENTS
Period (P) | 4484.5y | |
Periastron (T) | 1922.73y | |
Semi-major axis (a) | 4.916a | |
Eccentricity (e) | 0.9474 | |
Inclination (i) | 40.86° | |
Longitude of periastron (ω) | 137.62° | |
Node (Ω) | 116.65° | |
Notes | n | |
Reference | Dom1978 | |
Equinox | 1900 | |
Last observation | 1974 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
30.7 |
1.173 |
2001 |
31.0 |
1.184 |
2002 |
31.4 |
1.195 |
2003 |
31.7 |
1.206 |
2004 |
32.0 |
1.217 |
2005 |
32.3 |
1.228 |
2006 |
32.6 |
1.239 |
2007 |
32.9 |
1.250 |
2008 |
33.2 |
1.261 |
2009 |
33.5 |
1.271 |
2010 |
33.8 |
1.282 |
2011 |
34.1 |
1.293 |
2012 |
34.4 |
1.304 |
2013 |
34.7 |
1.314 |
2014 |
34.9 |
1.325 |
2015 |
35.2 |
1.336 |
2016 |
35.5 |
1.346 |
2017 |
35.7 |
1.357 |
2018 |
36.0 |
1.367 |
2019 |
36.2 |
1.378 |
2020 |
36.5 |
1.388 |
2021 |
36.7 |
1.399 |
2022 |
36.9 |
1.409 |
2023 |
37.2 |
1.419 |
2024 |
37.4 |
1.430 |
2025 |
37.6 |
1.440 |
2026 |
37.9 |
1.450 |
2027 |
38.1 |
1.460 |
2028 |
38.3 |
1.471 |
2029 |
38.5 |
1.481 |
2030 |
38.7 |
1.491 |
2031 |
38.9 |
1.501 |
2032 |
39.1 |
1.511 |
2033 |
39.3 |
1.521 |
2034 |
39.5 |
1.532 |
2035 |
39.7 |
1.542 |
2036 |
39.9 |
1.552 |
2037 |
40.1 |
1.562 |
2038 |
40.3 |
1.572 |
2039 |
40.5 |
1.582 |
2040 |
40.7 |
1.591 |
2041 |
40.9 |
1.601 |
2042 |
41.1 |
1.611 |
2043 |
41.2 |
1.621 |
2044 |
41.4 |
1.631 |
2045 |
41.6 |
1.641 |
2046 |
41.8 |
1.650 |
2047 |
41.9 |
1.660 |
2048 |
42.1 |
1.670 |
2049 |
42.3 |
1.680 |
2050 |
42.4 |
1.689 |
|
|

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 |
|
WDS 20012-3835 HDO 294 (HD 189386) : NOTES
discov_num |
notes |
refcode |
HDO 294 |
A premature orbit has been computed. |
|
REFERENCES
refcode |
metd |
author |
reference |
Dom1978 |
orb - |
Dommanget, J. |
1978BAORB...9...47D |
Dom1978 |
|
Bull. R. Astron. Obs. Belgium 9, 47-59, 1978 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
DOM |
Dommanget, J. |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
20012-3835 |
HDO 294 |
|
2002 |
52 |
30 |
1.2 |
8.08 |
9.11 |
F3V |
NOD |
200112.74-383512.7 |
20012-3835 |
HDO 294 |
|
2008 |
53 |
30 |
1.2 |
8.08 |
9.11 |
F3V |
NOD |
200112.74-383512.7 |
20012-3835 |
HDO 294 |
|
2010 |
54 |
29 |
1.2 |
8.08 |
9.11 |
F3V |
NOD |
200112.74-383512.7 |
20012-3835 |
HDO 294 |
|
2013 |
57 |
31 |
1.2 |
8.08 |
9.11 |
F3V |
NO |
200112.74-383512.7 |
20012-3835 |
HDO 294 |
|
2016 |
60 |
35 |
1.3 |
8.08 |
9.11 |
F3V |
NO |
200112.74-383512.7 |
20012-3835 |
HDO 294 |
|
2017 |
61 |
34 |
1.3 |
8.08 |
9.11 |
F3V |
NO |
200112.74-383512.7 |
20012-3835 |
HDO 294 |
|
2019 |
62 |
33 |
1.3 |
8.08 |
9.11 |
F3V |
NO |
200112.74-383512.7 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 20012-3835 HDO 294 (HD 189386) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 20012-3835 HDO 294 (HD 189386) : MEASURES
No records found.
WDS 20012-3835 (HD 189386) : 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 20012-3835 (HD 189386) : ALADIN DSS IMAGE @ 20h 01m 12.74s -38° 35' 12.7"
WDS 20012-3835 HDO 294 (HD 189386) : 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 |
|
20012-3835 |
HDO 294 |
|
33 |
1.3 |
0 |
Show |
|
20006-3836 |
KPP 450 |
|
104 |
3.7 |
8 |
Show |
|
20020-3816 |
TDT1925 |
|
66 |
0.5 |
22 |
Show |
|
19596-3813 |
RST2126 |
|
141 |
2.0 |
30 |
Show |
|
20003-3742 |
HDO 293 |
|
210 |
23.6 |
55 |
Show |
|
20002-3736 |
TDT1908 |
|
277 |
2.4 |
61 |
Show |
|
19562-3820 |
SEE 398 |
|
305 |
12.2 |
62 |
Show |
|
20064-3829 |
RST2132 |
|
119 |
0.4 |
62 |
Show |
|
20022-3936 |
UC 4068 |
|
138 |
34.2 |
62 |
Show |
|
20008-3938 |
WG 249 |
|
125 |
13.4 |
63 |
Show |
|
20027-3939 |
RST2131 |
|
301 |
0.5 |
67 |
Show |
|
20013-3722 |
SKF2084 |
|
12 |
17.4 |
74 |
Show |
|
20057-3743 |
HDS2865 |
|
185 |
0.1 |
75 |
Show |
|
20090-3843 |
SEE 407 |
|
259 |
3.3 |
92 |
Show |
|
20081-3929 |
RST2134 |
|
50 |
0.3 |
98 |
Show |
|
19581-4012 |
CRU9010 |
|
46 |
13.1 |
103 |
Show |
|
20079-3951 |
CRU9011 |
AB |
185 |
82.5 |
109 |
Show |
|
20079-3951 |
CRU9011 |
AC |
96 |
80.1 |
109 |
Show |
|
20079-3952 |
UC 4093 |
|
108 |
23.5 |
109 |
Show |
|
20108-3845 |
YMG 90 |
|
343 |
1.4 |
114 |
Show |
|
19597-4030 |
HJ 5159 |
|
30 |
27.1 |
117 |
Show |
|
20118-3825 |
TOK 904 |
|
315 |
4.2 |
117 |
Show |
|
19587-4029 |
RST2125 |
|
91 |
0.6 |
118 |
Show |
|
19578-3644 |
JSP 808 |
|
15 |
0.5 |
119 |
Show |
|
20098-3732 |
B 2883 |
|
130 |
8.3 |
121 |
Show |
|
19580-4031 |
SKF1095 |
|
104 |
48.9 |
122 |
Show |
|
20035-3636 |
B 463 |
AB |
200 |
1.3 |
123 |
Show |
|
20035-3636 |
SEE 402 |
AC |
312 |
24.6 |
123 |
Show |
|
20112-3926 |
HDS2878 |
|
37 |
0.3 |
128 |
Show |
|
19572-4035 |
RST2124 |
|
74 |
3.0 |
129 |
Show |
|
19511-3926 |
TDT1801 |
|
253 |
0.5 |
129 |
Show |
|
19510-3925 |
RST2121 |
|
249 |
1.2 |
129 |
Show |
|
20055-4034 |
UC 4080 |
|
89 |
18.9 |
129 |
Show |
|
19517-3730 |
B 2055 |
|
126 |
0.6 |
131 |
Show |
|
20123-3826 |
SKF2085 |
|
2 |
18.8 |
131 |
Show |
|
19507-3923 |
KPP1759 |
|
166 |
13.6 |
132 |
Show |
|
20068-4031 |
WG 250 |
|
330 |
16.7 |
133 |
Show |
|
19509-3936 |
UC 4037 |
AB |
179 |
100.4 |
135 |
Show |
|
20069-3633 |
JSP 809 |
|
74 |
0.4 |
140 |
Show |
|
19569-3623 |
B 456 |
AB |
50 |
0.7 |
143 |
Show |
|
19569-3623 |
SEE 399 |
AB,C |
31 |
5.0 |
143 |
Show |
|
20056-4048 |
UC 4083 |
|
34 |
47.0 |
143 |
Show |
|
19491-3904 |
UC 4029 |
|
61 |
17.7 |
145 |
Show |
|
20134-3821 |
B 472 |
|
24 |
1.0 |
145 |
Show |
|
20114-3715 |
B 470 |
|
253 |
3.2 |
146 |
Show |
|
20134-3927 |
TDT2102 |
|
269 |
0.5 |
151 |
Show |
|
19574-4100 |
I 1408 |
|
94 |
0.4 |
152 |
Show |
|
20123-3956 |
WG 251 |
|
306 |
9.6 |
152 |
Show |
|
19543-4049 |
SKF1160 |
AB |
225 |
140.4 |
156 |
Show |
|
19512-3654 |
HJ 5151 |
|
357 |
7.7 |
157 |
Show |
|
19516-4025 |
KPP3109 |
|
167 |
3.0 |
157 |
|
|
WDS 20012-3835 : COMPONENTS
20012-3835 A
Name |
HD 189386 |
|
Coord arcsec 2000 |
200112.74-383512.7 |
|
Mag |
8.08 |
|
Spectral class |
F3V (yellow-white) |
|
PmRA |
18.00 |
|
PmDE |
-70.0 |
|
SAO |
211734 |
|
HIP |
98556 |
|
Tycho2 |
7947-00530-1 |
|
HD |
189386 |
|
GC |
27717 |
|
CD |
CD-3813809 |
|
CP |
CP-38 7919 |
|
Tycho2 |
7947-00530-1 |
|
Pflag |
P |
|
RAmdeg |
300.30306789 |
|
DEmdeg |
-38.58686417 |
|
PmRA |
17.9 |
|
PmDE |
-69.9 |
|
E RAmdeg |
5 |
|
E DEmdeg |
7 |
|
E pmRA |
1.8 |
|
E pmDE |
1.7 |
|
EpRAm |
1991.70 |
|
EpDEm |
1991.33 |
|
Num |
7 |
|
Q RAmdeg |
1.8 |
|
Q DEmdeg |
1.4 |
|
Q pmRA |
1.8 |
|
Q pmDE |
1.5 |
|
BTmag |
8.469 |
|
E BTmag |
0.016 |
|
VTmag |
8.078 |
|
E VTmag |
0.012 |
|
Prox |
10 |
|
TYC |
T |
|
HIP |
98556 |
|
CCDM |
A |
|
RAdeg |
300.30299278 |
|
DEdeg |
-38.58674139 |
|
EpRA 1990 |
1.82 |
|
EpDE 1990 |
1.58 |
|
E RAdeg |
4.9 |
|
E DEdeg |
6.8 |
|
Posflg |
D |
|
Corr |
0.0 |
|
SAO |
211734 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
0.0037 |
|
DE1950 |
|
|
PmDE1950 |
-0.073 |
|
Vmag |
7.6 |
|
SpType |
F2 |
|
Double code |
|
|
Source |
70 |
|
CatNum |
27717 |
|
DM |
CD-3813809 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
189386 |
|
M HD |
0 |
|
GC |
27717 |
|
RA1950rad |
5.22672333 |
|
DE1950rad |
-0.67587198 |
|
PmRA2000 |
0.0038 |
|
PmDE2000 |
-0.075 |
|
Catalog |
H |
|
HIP |
98556 |
|
Proxy |
H |
|
RAhms |
20 01 12.72 |
|
DEdms |
-38 35 12.2 |
|
Vmag |
7.7 |
|
VarFlag |
|
|
R Vmag |
G |
|
RAdeg |
300.303 |
|
DEdeg |
-38.5867 |
|
AstroRef |
A |
|
Plx |
13.07 |
|
CCDM |
20012-3835 |
|
N CCDM |
I |
|
Nsys |
1 |
|
Ncomp |
2 |
|
MultFlag |
C |
|
Source |
|
|
Qual |
A |
|
M HIP |
AB |
|
Theta |
24 |
|
Rho |
1.053 |
|
HD |
189386 |
|
BD |
|
|
CD |
CD-3813809 |
|
CP |
CP-38 7919 |
|
Dm number |
-3813809 |
|
VIred |
0.48 |
|
SpType |
F3V |
|
R SpType |
|
|
Coord arcsec 2000 |
200112.72-383512.2 |
|
HIP |
98556 |
|
Sn |
15 |
|
So |
3 |
|
Nc |
2 |
|
RArad |
5.241275972 |
|
DErad |
-0.6734655409 |
|
Plx |
14.6 |
|
PmRA |
18.01 |
|
PmDE |
-68.01 |
|
E RArad |
0.9 |
|
E DErad |
0.48 |
|
E Plx |
0.97 |
|
E pmRA |
1.31 |
|
E pmDE |
0.8 |
|
Hpmag |
7.7868 |
|
E Hpmag |
0.0012 |
|
SHp |
0.009 |
|
VA |
0 |
|
BV |
0.413 |
|
E BV |
0.022 |
|
VI |
0.48 |
|
Ccdm |
20012-3835 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
0.72 |
|
DDEs |
-13.1 |
|
R dRAs |
10 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
2 |
|
Vmag |
8.1 |
|
Sp |
F2 |
|
PmNote |
* |
|
PmRA |
21 |
|
PmDE |
-75 |
|
Dm number |
-3813809 |
|
Cat1 |
CD |
|
Name2 |
211734 |
|
Cat2 |
SAO |
|
HD |
189386 |
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
19545S3852A |
|
HIC |
98556 |
|
20012-3835 B
Coord arcsec 2000 |
200112.79-383511.6 |
|
Mag |
9.11 |
|
PmRA |
18.00 |
|
PmDE |
-70.0 |
|
Tycho2 |
7947-00530-2 |
|
Calc delta mag |
1.03 |
|
Calc coord |
yes |
|
Tycho2 |
7947-00530-2 |
|
Pflag |
P |
|
RAmdeg |
300.30306789 |
|
DEmdeg |
-38.58686417 |
|
PmRA |
17.9 |
|
PmDE |
-69.9 |
|
E RAmdeg |
5 |
|
E DEmdeg |
7 |
|
E pmRA |
1.8 |
|
E pmDE |
1.7 |
|
EpRAm |
1991.70 |
|
EpDEm |
1991.33 |
|
Num |
7 |
|
Q RAmdeg |
1.8 |
|
Q DEmdeg |
1.4 |
|
Q pmRA |
1.8 |
|
Q pmDE |
1.5 |
|
BTmag |
9.749 |
|
E BTmag |
0.024 |
|
VTmag |
9.111 |
|
E VTmag |
0.019 |
|
Prox |
10 |
|
TYC |
|
|
HIP |
98556 |
|
CCDM |
B |
|
RAdeg |
300.30313861 |
|
DEdeg |
-38.58648083 |
|
EpRA 1990 |
1.82 |
|
EpDE 1990 |
1.58 |
|
E RAdeg |
9.2 |
|
E DEdeg |
14.3 |
|
Posflg |
D |
|
Corr |
0.0 |
|
Ccdm |
20012-3835 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
* |
|
Note2 |
|
|
Discov num |
HDO 294 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1901 |
|
Theta |
|
|
Rho |
|
|
Obs |
99 |
|
Vmag |
8.9 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
19545S3852B |
|
HIC |
98556 |
|