20089+6205 STF 2652 (HD 191940)
20h 08m 56.80s +62° 04' 36.0" P.A. 211.00 sep 0.3 mag 7.29,7.78 Sp A0V dist. 252.53 pc (823.75 l.y.)
Coord 2000 |
20089+6205 |
|
Discov num |
STF2652 |
|
Comp |
|
|
Coord arcsec 2000 |
20 08 56.80 +62 04 36.0 |
|
Date first |
1831 |
|
Date last |
2009 |
|
Obs |
76 |
|
Pa first |
285 |
|
Pa last |
211.2 |
|
P.A. Now (θ) |
211.2° |
|
Sep first |
0.5 |
|
Sep last |
0.313 |
|
Sep. Now (ρ) |
0.313" |
|
Mag pri |
7.29 |
|
Mag sec |
7.78 |
|
delta mag (ΔM) |
0.49 |
|
Spectral class |
A0V (white) |
|
Pri motion ra |
+012 |
|
Sec motion ra |
|
|
Pri motion dec |
-019 |
|
Sec motion dec |
|
|
Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 191940 |
|
Constellation |
Draco |
|
SAO |
18732 |
|
HIP |
99257 |
|
Tycho2 |
4236-01106-1 |
|
Gaia DR2 |
2237927966972481792 |
|
HD |
191940 |
|
GC |
27995 |
|
ADS |
13449 |
|
BD |
BD+61 1975 |
|
Distance |
252.53 |
|
Distance ly |
823.75 |
|
ORBITAL ELEMENTS
Period (P) | 495y | |
Periastron (T) | 2185y | |
Semi-major axis (a) | 0.495a | |
Eccentricity (e) | 0.72 | |
Inclination (i) | 111.2° | |
Longitude of periastron (ω) | 85.8° | |
Node (Ω) | 141.3° | |
Notes | | |
Reference | Zir2014a | |
Equinox | 2000 | |
Last observation | 2005 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
213.1 |
0.307 |
2001 |
212.6 |
0.308 |
2002 |
212.1 |
0.308 |
2003 |
211.6 |
0.308 |
2004 |
211.2 |
0.308 |
2005 |
210.7 |
0.309 |
2006 |
210.2 |
0.309 |
2007 |
209.8 |
0.309 |
2008 |
209.3 |
0.310 |
2009 |
208.8 |
0.310 |
2010 |
208.4 |
0.310 |
2011 |
207.9 |
0.311 |
2012 |
207.4 |
0.311 |
2013 |
207.0 |
0.311 |
2014 |
206.5 |
0.312 |
2015 |
206.1 |
0.312 |
2016 |
205.6 |
0.313 |
2017 |
205.1 |
0.313 |
2018 |
204.7 |
0.313 |
2019 |
204.2 |
0.314 |
2020 |
203.8 |
0.314 |
2021 |
203.3 |
0.315 |
2022 |
202.9 |
0.315 |
2023 |
202.4 |
0.315 |
2024 |
202.0 |
0.316 |
2025 |
201.5 |
0.316 |
2026 |
201.1 |
0.317 |
2027 |
200.6 |
0.317 |
2028 |
200.2 |
0.318 |
2029 |
199.8 |
0.318 |
2030 |
199.3 |
0.319 |
|
|
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 20089+6205 STF 2652 (HD 191940) : NOTES
No records found.
REFERENCES
refcode |
metd |
author |
reference |
Zir2014a |
orb - |
Zirm, H. |
2014IAUDS.182....1Z |
Zir2014a |
|
Inf. Circ. 182, 1, 2014 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
STF |
Struve, F.G.W. |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
20089+6205 |
STF2652 |
|
2005 |
73 |
207 |
0.3 |
7.29 |
7.78 |
A0V |
D |
200856.80+620436.0 |
20089+6205 |
STF2652 |
|
2006 |
74 |
210 |
0.3 |
7.29 |
7.78 |
A0V |
O |
200856.80+620436.0 |
20089+6205 |
STF2652 |
|
2009 |
75 |
214 |
0.3 |
7.29 |
7.78 |
A0V |
O |
200856.80+620436.0 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 20089+6205 STF 2652 (HD 191940) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 20089+6205 STF 2652 (HD 191940) : MEASURES
No records found.
WDS 20089+6205 (HD 191940) : 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 20089+6205 (HD 191940) : ALADIN DSS IMAGE @ 20h 08m 56.80s +62° 04' 36.0"
WDS 20089+6205 STF 2652 (HD 191940) : 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 |
|
20089+6205 |
STF2652 |
|
211 |
0.3 |
|
Show |
|
20109+6211 |
LDS2789 |
|
197 |
22.6 |
16 |
Show |
|
20097+6220 |
ES 1853 |
|
293 |
4.3 |
17 |
Show |
|
20116+6205 |
LDS2791 |
|
252 |
93.0 |
19 |
Show |
|
20067+6214 |
TOR 22 |
|
316 |
14.9 |
20 |
Show |
|
20080+6225 |
BVD 335 |
|
39 |
9.7 |
22 |
Show |
|
20081+6227 |
STI 946 |
|
302 |
5.3 |
24 |
Show |
|
20073+6143 |
ES 1852 |
AB |
156 |
6.4 |
25 |
Show |
|
20073+6143 |
WAL 128 |
AC |
22 |
19.0 |
25 |
Show |
|
20111+6133 |
KPP3355 |
|
150 |
19.0 |
36 |
Show |
|
20043+6225 |
STI 943 |
|
78 |
13.5 |
39 |
Show |
|
20145+6152 |
LDS2793 |
|
294 |
1.4 |
41 |
Show |
|
20030+6215 |
STI 942 |
|
93 |
9.4 |
43 |
Show |
|
20129+6236 |
STI 954 |
|
286 |
9.4 |
43 |
Show |
|
20019+6207 |
TDT1923 |
|
141 |
2.5 |
50 |
Show |
|
20085+6113 |
TDT2015 |
|
258 |
1.1 |
53 |
Show |
|
20014+6217 |
MLR 13 |
|
231 |
0.3 |
55 |
Show |
|
20082+6109 |
MLR 502 |
|
39 |
0.2 |
58 |
Show |
|
20193+6152 |
STI 965 |
|
315 |
11.8 |
74 |
Show |
|
20196+6215 |
GUL 2 |
|
347 |
0.3 |
76 |
Show |
|
20193+6142 |
TDT2165 |
|
15 |
1.3 |
77 |
Show |
|
20194+6135 |
STI 966 |
|
143 |
7.0 |
80 |
Show |
|
20185+6122 |
LDS1469 |
|
345 |
9.7 |
81 |
Show |
|
20198+6235 |
LDS1470 |
|
128 |
12.7 |
82 |
Show |
|
20086+6328 |
STI 948 |
|
321 |
17.9 |
83 |
Show |
|
20001+6110 |
KPP4180 |
|
47 |
1.9 |
83 |
Show |
|
20207+6157 |
STI 968 |
|
87 |
12.9 |
84 |
Show |
|
20202+6236 |
HU 958 |
|
354 |
0.9 |
85 |
Show |
|
19562+6154 |
TDT1861 |
|
351 |
2.1 |
91 |
Show |
|
19574+6124 |
HJ 2922 |
|
347 |
11.2 |
92 |
Show |
|
20202+6118 |
LDS1471 |
|
142 |
8.4 |
92 |
Show |
|
19579+6258 |
BU 9035 |
CD |
237 |
47.2 |
94 |
Show |
|
20034+6330 |
STF2632 |
|
299 |
26.2 |
94 |
Show |
|
19573+6253 |
HDS2841 |
|
21 |
0.1 |
95 |
Show |
|
19599+6056 |
LDS2786 |
AB |
325 |
9.0 |
95 |
Show |
|
19599+6056 |
LDS2786 |
Aa,Ab |
280 |
4.0 |
95 |
Show |
|
20185+6313 |
HJ 2958 |
|
316 |
9.5 |
96 |
Show |
|
20010+6323 |
STI 940 |
|
69 |
14.1 |
96 |
Show |
|
19579+6258 |
HJ 2923 |
AB |
351 |
28.5 |
97 |
Show |
|
19551+6211 |
TDT1846 |
|
268 |
0.5 |
97 |
Show |
|
19566+6122 |
ES 1851 |
|
156 |
6.3 |
98 |
Show |
|
19550+6214 |
STI 936 |
|
149 |
8.3 |
98 |
Show |
|
20227+6224 |
STI 973 |
|
65 |
4.0 |
99 |
Show |
|
19578+6105 |
TDT1879 |
|
263 |
2.0 |
100 |
Show |
|
20056+6342 |
STF2642 |
AB |
191 |
1.8 |
101 |
Show |
|
20056+6342 |
STF2642 |
AC |
34 |
68.6 |
101 |
Show |
|
20085+6024 |
CBL 525 |
|
355 |
74.1 |
101 |
Show |
|
20085+6346 |
STI 947 |
|
320 |
11.1 |
102 |
Show |
|
20052+6346 |
BU 470 |
|
210 |
2.6 |
105 |
Show |
|
19547+6240 |
UC 4052 |
|
95 |
85.4 |
106 |
Show |
|
20129+6023 |
HJ 2944 |
|
196 |
25.0 |
106 |
|
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WDS 20089+6205 : COMPONENTS
20089+6205 A
Componente originario normalizzato |
AB |
|
Name |
HD 191940 |
|
Coord arcsec 2000 |
200856.80+620436.0 |
|
Mag |
7.29 |
|
Spectral class |
A0V (white) |
|
PmRA |
12.00 |
|
PmDE |
-19.0 |
|
SAO |
18732 |
|
HIP |
99257 |
|
Tycho2 |
4236-01106-1 |
|
HD |
191940 |
|
GC |
27995 |
|
BD |
BD+61 1975 |
|
Tycho2 |
4236-01106-1 |
|
Pflag |
|
|
RAmdeg |
302.23666945 |
|
DEmdeg |
62.07661092 |
|
PmRA |
11.6 |
|
PmDE |
-13.0 |
|
E RAmdeg |
4 |
|
E DEmdeg |
4 |
|
E pmRA |
1.2 |
|
E pmDE |
1.4 |
|
EpRAm |
1991.53 |
|
EpDEm |
1991.59 |
|
Num |
12 |
|
Q RAmdeg |
1.5 |
|
Q DEmdeg |
1.0 |
|
Q pmRA |
1.6 |
|
Q pmDE |
0.9 |
|
BTmag |
6.786 |
|
E BTmag |
0.015 |
|
VTmag |
6.743 |
|
E VTmag |
0.010 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
99257 |
|
CCDM |
AB |
|
RAdeg |
302.23661250 |
|
DEdeg |
62.07664083 |
|
EpRA 1990 |
1.75 |
|
EpDE 1990 |
1.76 |
|
E RAdeg |
3.9 |
|
E DEdeg |
4.0 |
|
Posflg |
P |
|
Corr |
0.0 |
|
SAO |
18732 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0007 |
|
DE1950 |
|
|
PmDE1950 |
-0.009 |
|
Vmag |
6.6 |
|
SpType |
A0 |
|
Double code |
|
|
Source |
70 |
|
CatNum |
27995 |
|
DM |
BD+61 1975 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
191940 |
|
M HD |
0 |
|
GC |
27995 |
|
RA1950rad |
5.27156992 |
|
DE1950rad |
1.08086093 |
|
PmRA2000 |
-0.0001 |
|
PmDE2000 |
-0.012 |
|
Catalog |
H |
|
HIP |
99257 |
|
Proxy |
H |
|
RAhms |
20 08 56.80 |
|
DEdms |
+62 04 36.0 |
|
Vmag |
6.74 |
|
VarFlag |
|
|
R Vmag |
H |
|
RAdeg |
302.237 |
|
DEdeg |
62.0767 |
|
AstroRef |
A |
|
Plx |
4.05 |
|
CCDM |
20089+6205 |
|
N CCDM |
I |
|
Nsys |
1 |
|
Ncomp |
2 |
|
MultFlag |
C |
|
Source |
|
|
Qual |
A |
|
M HIP |
AB |
|
Theta |
218 |
|
Rho |
0.305 |
|
HD |
191940 |
|
BD |
BD+61 1975 |
|
CD |
|
|
CP |
|
|
Dm number |
+61 1975 |
|
VIred |
0.03 |
|
SpType |
A0 |
|
R SpType |
|
|
Coord arcsec 2000 |
200856.80+620436.0 |
|
HIP |
99257 |
|
Sn |
15 |
|
So |
3 |
|
Nc |
2 |
|
RArad |
5.2750247211 |
|
DErad |
1.0834422496 |
|
Plx |
3.96 |
|
PmRA |
8.37 |
|
PmDE |
-16.38 |
|
E RArad |
0.39 |
|
E DErad |
0.38 |
|
E Plx |
0.4 |
|
E pmRA |
0.46 |
|
E pmDE |
0.43 |
|
Hpmag |
6.7551 |
|
E Hpmag |
0.0009 |
|
SHp |
0.007 |
|
VA |
0 |
|
BV |
0.034 |
|
E BV |
0.007 |
|
VI |
0.05 |
|
Ccdm |
20089+6205 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
2.75 |
|
DDEs |
-24.8 |
|
R dRAs |
10 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
2 |
|
Vmag |
7.2 |
|
Sp |
A0 |
|
PmNote |
* |
|
PmRA |
-4 |
|
PmDE |
-21 |
|
Dm number |
+61 1975 |
|
Cat1 |
BD |
|
Name2 |
+61 1170 |
|
Cat2 |
AGK2/3 |
|
HD |
191940 |
|
M HD |
|
|
ADS BDS |
A13449 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
20074N6147A |
|
HIC |
99257 |
|
20089+6205 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
200856.79+620435.7 |
|
Mag |
7.78 |
|
Calc delta mag |
0.49 |
|
Calc coord |
yes |
|
Ccdm |
20089+6205 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
STF2652 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1958 |
|
Theta |
238 |
|
Rho |
0.3 |
|
Obs |
99 |
|
Vmag |
7.5 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A13449 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
20074N6147B |
|
HIC |
99257 |
|