20310-2907 CHR 185 (HD 195206)
20h 30m 56.79s -29° 06' 45.5" P.A. 266.00 sep 0.0 mag 9.20,6.50 Sp A5V dist. 209.21 pc (682.44 l.y.)
Coord 2000 |
20310-2907 |
|
Discov num |
CHR 185 |
|
Comp |
|
|
Coord arcsec 2000 |
20 30 56.79 -29 06 45.5 |
|
Date first |
1991 |
|
Date last |
2020 |
|
Obs |
7 |
|
Pa first |
297 |
|
Pa last |
266.3 |
|
P.A. Now (θ) |
266.3° |
|
Sep first |
0.3 |
|
Sep last |
0.029 |
|
Sep. Now (ρ) |
0.029" |
|
Mag pri |
9.20 |
|
Mag sec |
6.50 |
|
delta mag (ΔM) |
2.7 |
|
Spectral class |
A5V (white) |
|
Pri motion ra |
+016 |
|
Sec motion ra |
|
|
Pri motion dec |
+005 |
|
Sec motion dec |
|
|
Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 195206 |
|
Constellation |
Microscopium |
|
SAO |
189374 |
|
HIP |
101211 |
|
Tycho2 |
6920-01488-1 |
|
Gaia DR2 |
6797016991257105152 |
|
HD |
195206 |
|
HR |
7832 |
|
GC |
28524 |
|
CD |
CD-2917122 |
|
CP |
CP-29 6318 |
|
Distance |
209.21 |
|
Distance ly |
682.44 |
|
ORBITAL ELEMENTS
Period (P) | 100y | |
Periastron (T) | 2022.61y | |
Semi-major axis (a) | 0.16a | |
Eccentricity (e) | 0.9 | |
Inclination (i) | 119.2° | |
Longitude of periastron (ω) | 348.2° | |
Node (Ω) | 114.1° | |
Notes | | |
Reference | Tok2021c | |
Equinox | 2000 | |
Last observation | 2021 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
293.1 |
0.241 |
2001 |
292.7 |
0.235 |
2002 |
292.4 |
0.230 |
2003 |
292.0 |
0.224 |
2004 |
291.6 |
0.218 |
2005 |
291.2 |
0.212 |
2006 |
290.7 |
0.205 |
2007 |
290.2 |
0.198 |
2008 |
289.7 |
0.190 |
2009 |
289.2 |
0.182 |
2010 |
288.5 |
0.174 |
2011 |
287.9 |
0.165 |
2012 |
287.1 |
0.156 |
2013 |
286.2 |
0.146 |
2014 |
285.2 |
0.135 |
2015 |
284.1 |
0.124 |
2016 |
282.6 |
0.111 |
2017 |
280.9 |
0.098 |
2018 |
278.5 |
0.084 |
2019 |
275.0 |
0.068 |
2020 |
269.2 |
0.050 |
2021 |
256.1 |
0.030 |
2022 |
191.4 |
0.012 |
2023 |
91.0 |
0.016 |
2024 |
17.3 |
0.019 |
2025 |
346.7 |
0.034 |
2026 |
334.8 |
0.049 |
2027 |
328.5 |
0.063 |
2028 |
324.4 |
0.077 |
2029 |
321.6 |
0.089 |
2030 |
319.4 |
0.101 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 20310-2907 CHR 185 (HD 195206) : NOTES
No records found.
REFERENCES
refcode |
metd |
author |
reference |
Tok2021c |
orb - |
Tokovinin, A. |
2021IAUDS.203....1S |
Tok2021c |
|
Inf. Circ. 203, 1, 2021 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
CHR |
Center for High Ang. Res. Astronomy (speckle interferometry systems) |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
20310-2907 |
CHR 185 |
|
1992 |
2 |
295 |
0.3 |
9.20 |
6.50 |
A5V |
|
203056.79-290645.5 |
20310-2907 |
CHR 185 |
|
2014 |
3 |
283 |
0.1 |
9.20 |
6.50 |
A5V |
|
203056.79-290645.5 |
20310-2907 |
CHR 185 |
|
2017 |
4 |
279 |
0.1 |
9.20 |
6.50 |
A5V |
|
203056.79-290645.5 |
20310-2907 |
CHR 185 |
|
2018 |
5 |
278 |
0.1 |
9.20 |
6.50 |
A5V |
|
203056.79-290645.5 |
20310-2907 |
CHR 185 |
|
2019 |
6 |
274 |
0.1 |
9.20 |
6.50 |
A5V |
|
203056.79-290645.5 |
20310-2907 |
CHR 185 |
|
2020 |
7 |
266 |
0.0 |
9.20 |
6.50 |
A5V |
|
203056.79-290645.5 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 20310-2907 CHR 185 (HD 195206) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 20310-2907 CHR 185 (HD 195206) : MEASURES
No records found.
WDS 20310-2907 (HD 195206) : 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 20310-2907 (HD 195206) : ALADIN DSS IMAGE @ 20h 30m 56.79s -29° 06' 45.5"
WDS 20310-2907 CHR 185 (HD 195206) : 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 |
|
20310-2907 |
CHR 185 |
|
266 |
0.0 |
|
Show |
|
20325-2843 |
SKF2087 |
AB |
9 |
61.0 |
32 |
Show |
|
20325-2843 |
DAM1043 |
AC |
197 |
11.5 |
32 |
Show |
|
20295-3001 |
HJ 5202 |
|
84 |
15.6 |
58 |
Show |
|
20319-2806 |
TDT2341 |
|
318 |
0.5 |
63 |
Show |
|
20254-2840 |
CHR 97 |
|
10 |
0.1 |
78 |
Show |
|
20295-3024 |
B 2886 |
|
199 |
7.2 |
80 |
Show |
|
20365-2813 |
RST2147 |
|
315 |
1.2 |
92 |
Show |
|
20275-3028 |
KPP2320 |
|
320 |
19.6 |
93 |
Show |
|
20375-2817 |
BRT3093 |
|
85 |
3.8 |
100 |
Show |
|
20235-2827 |
DAW 152 |
AB |
295 |
2.6 |
107 |
Show |
|
20297-2719 |
COO 240 |
|
21 |
7.1 |
110 |
Show |
|
20226-2928 |
JNN 325 |
|
214 |
0.2 |
112 |
Show |
|
20393-2820 |
RST2149 |
|
155 |
1.0 |
120 |
Show |
|
20313-2707 |
SKF2086 |
|
306 |
7.1 |
120 |
Show |
|
20229-3008 |
JSP 813 |
|
269 |
5.3 |
122 |
Show |
|
20401-2852 |
SEE 423 |
AB |
39 |
1.2 |
122 |
Show |
|
20401-2852 |
SEE 423 |
BC |
281 |
0.2 |
122 |
Show |
|
20326-3107 |
PRO 230 |
|
104 |
6.5 |
122 |
Show |
|
20339-2710 |
CBL 178 |
|
40 |
52.0 |
123 |
Show |
|
20400-2940 |
RST2151 |
|
57 |
0.2 |
124 |
Show |
|
20310-2700 |
DAM1042 |
|
179 |
10.8 |
127 |
Show |
|
20253-3052 |
TDT2257 |
|
261 |
0.5 |
128 |
Show |
|
20215-2946 |
TDS1063 |
|
214 |
1.0 |
130 |
Show |
|
20211-2916 |
BRT3091 |
|
52 |
2.8 |
131 |
Show |
|
20319-2655 |
RST2143 |
|
259 |
0.3 |
133 |
Show |
|
20280-3115 |
OL 26 |
|
327 |
2.0 |
134 |
Show |
|
20205-2912 |
HJ 5188 |
DE |
186 |
4.7 |
137 |
Show |
|
20209-2828 |
LDS5904 |
AB |
49 |
254.6 |
137 |
Show |
|
20209-2828 |
LDS5904 |
Aa,Ab |
345 |
2.1 |
137 |
Show |
|
20205-2912 |
WIE 1 |
BF |
263 |
437.0 |
138 |
Show |
|
20205-2912 |
HJ 5188 |
AB |
38 |
3.7 |
138 |
Show |
|
20205-2912 |
HJ 5188 |
AC |
321 |
27.3 |
138 |
Show |
|
20205-2912 |
HJ 5188 |
AD |
38 |
120.6 |
138 |
Show |
|
20327-3123 |
HJ 5206 |
|
192 |
16.4 |
139 |
Show |
|
20373-2717 |
HJ 2982 |
|
137 |
15.8 |
139 |
Show |
|
20202-2908 |
GLP 18 |
|
198 |
56.8 |
141 |
Show |
|
20213-2805 |
KPP1098 |
|
254 |
8.7 |
141 |
Show |
|
20289-2647 |
B 487 |
|
5 |
1.4 |
143 |
Show |
|
20334-2643 |
B 491 |
|
104 |
2.6 |
148 |
Show |
|
20412-3015 |
RST2152 |
|
335 |
0.9 |
151 |
Show |
|
20372-3114 |
HDS2943 |
|
75 |
2.1 |
151 |
Show |
|
20288-2638 |
RST2141 |
|
139 |
1.7 |
152 |
Show |
|
20345-3131 |
KPP1926 |
|
56 |
15.1 |
152 |
Show |
|
20353-3126 |
LDS5908 |
|
124 |
248.3 |
152 |
Show |
|
20427-2855 |
RST2153 |
|
42 |
0.2 |
155 |
Show |
|
20331-2633 |
LDS5907 |
|
211 |
206.4 |
156 |
Show |
|
20205-2749 |
RST3255 |
|
109 |
0.1 |
159 |
Show |
|
20396-2717 |
RST2150 |
|
5 |
1.7 |
159 |
Show |
|
20430-2846 |
SEE 425 |
|
226 |
7.9 |
161 |
Show |
|
20265-2638 |
HWE 54 |
|
59 |
2.8 |
161 |
|
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WDS 20310-2907 : COMPONENTS
20310-2907 A
Componente originario normalizzato |
AB |
|
Name |
HD 195206 |
|
Coord arcsec 2000 |
203056.79-290645.5 |
|
Mag |
9.2 |
|
Spectral class |
A5V (white) |
|
PmRA |
16.00 |
|
PmDE |
5.0 |
|
SAO |
189374 |
|
HIP |
101211 |
|
HD |
195206 |
|
HR |
7832 |
|
GC |
28524 |
|
CD |
CD-2917122 |
|
CP |
CP-29 6318 |
|
SAO |
189374 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
0.0012 |
|
DE1950 |
|
|
PmDE1950 |
0.005 |
|
Vmag |
6.1 |
|
SpType |
A5 |
|
Double code |
|
|
Source |
70 |
|
CatNum |
28524 |
|
DM |
CD-2917122 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
195206 |
|
M HD |
0 |
|
GC |
28524 |
|
RA1950rad |
5.35766889 |
|
DE1950rad |
-0.51105805 |
|
PmRA2000 |
0.0011 |
|
PmDE2000 |
0.003 |
|
Catalog |
H |
|
HIP |
101211 |
|
Proxy |
H |
|
RAhms |
20 30 56.79 |
|
DEdms |
-29 06 45.5 |
|
Vmag |
6.35 |
|
VarFlag |
|
|
R Vmag |
H |
|
RAdeg |
307.737 |
|
DEdeg |
-29.1126 |
|
AstroRef |
* |
|
Plx |
5.49 |
|
CCDM |
20309-2907 |
|
N CCDM |
M |
|
Nsys |
1 |
|
Ncomp |
2 |
|
MultFlag |
C |
|
Source |
|
|
Qual |
A |
|
M HIP |
BA |
|
Theta |
117 |
|
Rho |
0.279 |
|
HD |
195206 |
|
BD |
|
|
CD |
CD-2917122 |
|
CP |
CP-29 6318 |
|
Dm number |
-2917122 |
|
VIred |
0.23 |
|
SpType |
A5V |
|
R SpType |
|
|
Coord arcsec 2000 |
203056.79-290645.5 |
|
HIP |
101211 |
|
Sn |
55 |
|
So |
3 |
|
Nc |
2 |
|
RArad |
5.3710174209 |
|
DErad |
-0.5081116029 |
|
Plx |
4.78 |
|
PmRA |
17.79 |
|
PmDE |
-6.11 |
|
E RArad |
0.55 |
|
E DErad |
0.31 |
|
E Plx |
0.59 |
|
E pmRA |
0.77 |
|
E pmDE |
0.53 |
|
Hpmag |
6.4162 |
|
E Hpmag |
0.0006 |
|
SHp |
0.007 |
|
VA |
0 |
|
BV |
0.227 |
|
E BV |
0.008 |
|
VI |
0.25 |
|
20310-2907 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
203056.79-290645.5 |
|
Mag |
6.5 |
|
Tycho2 |
6920-01488-1 |
|
Calc delta mag |
2.7 |
|
Calc coord |
yes |
|
Tycho2 |
6920-01488-1 |
|
Pflag |
|
|
RAmdeg |
307.73667770 |
|
DEmdeg |
-29.11266267 |
|
PmRA |
17.4 |
|
PmDE |
-4.5 |
|
E RAmdeg |
4 |
|
E DEmdeg |
4 |
|
E pmRA |
1.3 |
|
E pmDE |
1.3 |
|
EpRAm |
1991.47 |
|
EpDEm |
1991.03 |
|
Num |
11 |
|
Q RAmdeg |
1.0 |
|
Q DEmdeg |
1.2 |
|
Q pmRA |
0.9 |
|
Q pmDE |
1.2 |
|
BTmag |
6.609 |
|
E BTmag |
0.015 |
|
VTmag |
6.371 |
|
E VTmag |
0.010 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
101211 |
|
CCDM |
AB |
|
RAdeg |
307.73663167 |
|
DEdeg |
-29.11265167 |
|
EpRA 1990 |
1.73 |
|
EpDE 1990 |
1.29 |
|
E RAdeg |
3.6 |
|
E DEdeg |
4.4 |
|
Posflg |
P |
|
Corr |
-0.1 |
|