21477-1813 CHR 223 (HD 207208)
21h 47m 44.82s -18° 12' 46.9" P.A. 269.00 sep 0.1 mag 7.60,9.30 Sp A5IV dist. 139.86 pc (456.22 l.y.)
Coord 2000 |
21477-1813 |
|
Discov num |
CHR 223 |
|
Comp |
|
|
Coord arcsec 2000 |
21 47 44.82 -18 12 46.9 |
|
Date first |
1994 |
|
Date last |
2020 |
|
Obs |
7 |
|
Pa first |
334 |
|
Pa last |
269.1 |
|
P.A. Now (θ) |
269.1° |
|
Sep first |
0.1 |
|
Sep last |
0.087 |
|
Sep. Now (ρ) |
0.087" |
|
Mag pri |
7.60 |
|
Mag sec |
9.30 |
|
delta mag (ΔM) |
1.7 |
|
Spectral class |
A5IV (white) |
|
Pri motion ra |
+030 |
|
Sec motion ra |
|
|
Pri motion dec |
+006 |
|
Sec motion dec |
|
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 207208 |
|
Constellation |
Capricornus |
|
SAO |
164657 |
|
HIP |
107610 |
|
Tycho2 |
6367-01126-1 |
|
Gaia DR2 |
6836687057251744000 |
|
HD |
207208 |
|
BD |
BD-18 6013 |
|
Distance |
139.86 |
|
Distance ly |
456.22 |
|
ORBITAL ELEMENTS
Period (P) | 73.829y | |
Periastron (T) | 2025.728y | |
Semi-major axis (a) | 0.1713a | |
Eccentricity (e) | 0.311 | |
Inclination (i) | 109.9° | |
Longitude of periastron (ω) | 275.3° | |
Node (Ω) | 110.9° | |
Notes | n | |
Reference | Tok2020e | |
Equinox | | |
Last observation | 2019 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
315.4 |
0.139 |
2001 |
313.1 |
0.144 |
2002 |
310.9 |
0.149 |
2003 |
308.9 |
0.154 |
2004 |
307.0 |
0.158 |
2005 |
305.2 |
0.162 |
2006 |
303.4 |
0.165 |
2007 |
301.7 |
0.167 |
2008 |
300.1 |
0.168 |
2009 |
298.5 |
0.169 |
2010 |
296.8 |
0.169 |
2011 |
295.2 |
0.167 |
2012 |
293.5 |
0.165 |
2013 |
291.8 |
0.162 |
2014 |
290.0 |
0.157 |
2015 |
288.0 |
0.151 |
2016 |
285.9 |
0.143 |
2017 |
283.5 |
0.134 |
2018 |
280.7 |
0.124 |
2019 |
277.4 |
0.113 |
2020 |
273.3 |
0.100 |
2021 |
267.9 |
0.086 |
2022 |
260.4 |
0.072 |
2023 |
249.2 |
0.058 |
2024 |
231.7 |
0.046 |
2025 |
206.2 |
0.040 |
2026 |
178.6 |
0.043 |
2027 |
157.8 |
0.053 |
2028 |
144.4 |
0.066 |
2029 |
135.6 |
0.080 |
2030 |
129.5 |
0.094 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 21477-1813 CHR 223 (HD 207208) : NOTES
discov_num |
notes |
refcode |
CHR 223 |
First detected as an occultation binary by Evans et al. |
Evn1985 |
REFERENCES
refcode |
metd |
author |
reference |
Evn1985 |
O j |
Evans, D.S., Edwards, D., Frueh, M., McWilliam, A. & Sandmann, W. |
1985AJ.....90.2360E |
Evn1985 |
|
AJ 90, 2360, 1985 |
|
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 |
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 |
21477-1813 |
CHR 223 |
|
1994 |
1 |
334 |
0.1 |
7.60 |
9.30 |
A5IV |
N D |
214744.82-181246.9 |
21477-1813 |
CHR 223 |
|
2006 |
2 |
297 |
0.2 |
7.60 |
9.30 |
A5IV |
N D |
214744.82-181246.9 |
21477-1813 |
CHR 223 |
|
2007 |
3 |
300 |
0.2 |
7.60 |
9.30 |
A5IV |
N D |
214744.82-181246.9 |
21477-1813 |
CHR 223 |
|
2014 |
4 |
288 |
0.2 |
7.60 |
9.30 |
A5IV |
NO |
214744.82-181246.9 |
21477-1813 |
CHR 223 |
|
2018 |
5 |
280 |
0.1 |
7.60 |
9.30 |
A5IV |
NO |
214744.82-181246.9 |
21477-1813 |
CHR 223 |
|
2019 |
6 |
277 |
0.1 |
7.60 |
9.30 |
A5IV |
NO |
214744.82-181246.9 |
21477-1813 |
CHR 223 |
|
2020 |
7 |
269 |
0.1 |
7.60 |
9.30 |
A5IV |
NO |
214744.82-181246.9 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 21477-1813 CHR 223 (HD 207208) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 21477-1813 CHR 223 (HD 207208) : MEASURES
No records found.
WDS 21477-1813 (HD 207208) : 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 21477-1813 (HD 207208) : ALADIN DSS IMAGE @ 21h 47m 44.82s -18° 12' 46.9"
WDS 21477-1813 CHR 223 (HD 207208) : 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 |
|
21477-1813 |
CHR 223 |
|
269 |
0.1 |
|
Show |
|
21481-1755 |
UC 4568 |
|
16 |
18.8 |
19 |
Show |
|
21459-1759 |
RST3289 |
|
65 |
1.6 |
31 |
Show |
|
21460-1748 |
GWP3092 |
|
312 |
17.5 |
36 |
Show |
|
21503-1812 |
UC 4579 |
|
170 |
60.3 |
36 |
Show |
|
21502-1738 |
LDS4914 |
|
22 |
39.3 |
50 |
Show |
|
21476-1718 |
BU 1036 |
|
208 |
4.7 |
56 |
Show |
|
21438-1843 |
WIS 352 |
|
347 |
635.6 |
65 |
Show |
|
21531-1831 |
ARA 504 |
|
35 |
5.6 |
79 |
Show |
|
21498-1653 |
GWP3098 |
|
139 |
10.5 |
86 |
Show |
|
21416-1759 |
UC 4528 |
|
304 |
45.2 |
90 |
Show |
|
21469-1948 |
RST3290 |
|
180 |
1.7 |
96 |
Show |
|
21411-1844 |
HDS3087 |
|
162 |
1.2 |
100 |
Show |
|
21416-1907 |
UC 4529 |
|
171 |
54.7 |
103 |
Show |
|
21404-1815 |
DON1014 |
|
17 |
0.1 |
106 |
Show |
|
21432-1937 |
OCC9199 |
|
-1 |
0.0 |
107 |
Show |
|
21483-1959 |
BHA 46 |
|
242 |
4.6 |
108 |
Show |
|
21402-1826 |
COO 243 |
|
65 |
5.0 |
109 |
Show |
|
21401-1757 |
LDS6357 |
|
44 |
8.3 |
110 |
Show |
|
21406-1854 |
OCC9197 |
|
-1 |
0.0 |
110 |
Show |
|
21503-1629 |
RST3291 |
|
122 |
1.5 |
111 |
Show |
|
21514-1635 |
UC 4581 |
|
17 |
23.5 |
112 |
Show |
|
21451-2002 |
TOI2311 |
|
131 |
0.2 |
116 |
Show |
|
21537-1645 |
OCC 657 |
Aa,Ab |
-1 |
0.1 |
123 |
Show |
|
21537-1645 |
HJ 615 |
AB |
66 |
12.5 |
123 |
Show |
|
21559-1738 |
LDS4925 |
|
165 |
3.5 |
123 |
Show |
Deneb Algedi |
21470-1608 |
HJ 3056 |
AB |
60 |
49.9 |
126 |
Show |
Deneb Algedi |
21470-1608 |
HJ 3056 |
AC |
304 |
153.6 |
126 |
Show |
|
21491-1608 |
RST5165 |
|
72 |
2.6 |
127 |
Show |
|
21480-2022 |
ARA1229 |
|
63 |
13.4 |
130 |
Show |
|
21529-2001 |
B 542 |
|
304 |
0.6 |
131 |
Show |
|
21395-1913 |
HJ 3043 |
|
150 |
34.8 |
132 |
Show |
|
21538-2000 |
BU 168 |
AD |
136 |
39.8 |
138 |
Show |
|
21538-2000 |
BU 168 |
A,BC |
73 |
5.5 |
138 |
Show |
|
21538-2000 |
HU 380 |
BC |
247 |
0.4 |
138 |
Show |
|
21562-1656 |
UC 4604 |
|
10 |
26.6 |
143 |
Show |
|
21577-1827 |
HJ 3070 |
|
284 |
30.4 |
143 |
Show |
|
21529-1609 |
NSN 495 |
|
181 |
1.5 |
144 |
Show |
|
21578-1747 |
WIS 357 |
|
219 |
999.9 |
147 |
Show |
|
21508-2032 |
SEE 460 |
|
166 |
0.5 |
147 |
Show |
|
21430-2025 |
SEE 456 |
|
59 |
3.3 |
149 |
Show |
|
21380-1913 |
LDS 751 |
|
355 |
18.9 |
152 |
Show |
|
21551-2003 |
UC 4597 |
|
249 |
21.3 |
152 |
Show |
|
21475-2046 |
HU 377 |
AB |
136 |
0.5 |
153 |
Show |
|
21475-2046 |
HU 377 |
AB,C |
341 |
4.7 |
153 |
Show |
|
21584-1834 |
SEE 463 |
|
120 |
15.7 |
154 |
Show |
|
21432-1553 |
UC 4537 |
|
116 |
34.9 |
155 |
Show |
|
21543-2020 |
BVD 140 |
|
256 |
35.9 |
158 |
Show |
|
21429-1551 |
ARA 130 |
|
50 |
8.7 |
159 |
Show |
|
21526-1548 |
HJ 5298 |
AB |
319 |
66.9 |
161 |
Show |
|
21526-1548 |
BUP9004 |
AC |
322 |
26.4 |
161 |
|
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WDS 21477-1813 : COMPONENTS
21477-1813 A
Componente originario normalizzato |
AB |
|
Name |
HD 207208 |
|
Coord arcsec 2000 |
214744.82-181246.9 |
|
Mag |
7.6 |
|
Spectral class |
A5IV (white) |
|
PmRA |
30.00 |
|
PmDE |
6.0 |
|
SAO |
164657 |
|
HIP |
107610 |
|
Tycho2 |
6367-01126-1 |
|
HD |
207208 |
|
BD |
BD-18 6013 |
|
Tycho2 |
6367-01126-1 |
|
Pflag |
|
|
RAmdeg |
326.93683992 |
|
DEmdeg |
-18.21301332 |
|
PmRA |
29.6 |
|
PmDE |
6.0 |
|
E RAmdeg |
5 |
|
E DEmdeg |
6 |
|
E pmRA |
0.9 |
|
E pmDE |
0.9 |
|
EpRAm |
1991.07 |
|
EpDEm |
1990.60 |
|
Num |
16 |
|
Q RAmdeg |
0.6 |
|
Q DEmdeg |
0.5 |
|
Q pmRA |
0.6 |
|
Q pmDE |
0.7 |
|
BTmag |
7.686 |
|
E BTmag |
0.016 |
|
VTmag |
7.433 |
|
E VTmag |
0.011 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
107610 |
|
CCDM |
|
|
RAdeg |
326.93676806 |
|
DEdeg |
-18.21302750 |
|
EpRA 1990 |
1.71 |
|
EpDE 1990 |
1.48 |
|
E RAdeg |
4.6 |
|
E DEdeg |
5.5 |
|
Posflg |
|
|
Corr |
-0.1 |
|
SAO |
164657 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
0.0025 |
|
DE1950 |
|
|
PmDE1950 |
0.01 |
|
Vmag |
7.5 |
|
SpType |
A3 |
|
Double code |
|
|
Source |
22 |
|
CatNum |
9308 |
|
DM |
BD-18 6013 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
207208 |
|
M HD |
0 |
|
GC |
|
|
RA1950rad |
5.69404739 |
|
DE1950rad |
-0.32193553 |
|
PmRA2000 |
0.0026 |
|
PmDE2000 |
0.007 |
|
Catalog |
H |
|
HIP |
107610 |
|
Proxy |
|
|
RAhms |
21 47 44.82 |
|
DEdms |
-18 12 46.9 |
|
Vmag |
7.4 |
|
VarFlag |
|
|
R Vmag |
H |
|
RAdeg |
326.937 |
|
DEdeg |
-18.213 |
|
AstroRef |
|
|
Plx |
8.17 |
|
CCDM |
|
|
N CCDM |
|
|
Nsys |
|
|
Ncomp |
1 |
|
MultFlag |
|
|
Source |
|
|
Qual |
|
|
M HIP |
|
|
Theta |
|
|
Rho |
|
|
HD |
207208 |
|
BD |
BD-18 6013 |
|
CD |
|
|
CP |
|
|
Dm number |
-18 6013 |
|
VIred |
0.22 |
|
SpType |
A5IV |
|
R SpType |
|
|
Coord arcsec 2000 |
214744.82-181246.9 |
|
HIP |
107610 |
|
Sn |
5 |
|
So |
0 |
|
Nc |
1 |
|
RArad |
5.7061229681 |
|
DErad |
-0.3178773301 |
|
Plx |
7.15 |
|
PmRA |
33.73 |
|
PmDE |
4.22 |
|
E RArad |
0.53 |
|
E DErad |
0.39 |
|
E Plx |
0.6 |
|
E pmRA |
0.76 |
|
E pmDE |
0.45 |
|
Hpmag |
7.4704 |
|
E Hpmag |
0.0013 |
|
SHp |
0.008 |
|
VA |
0 |
|
BV |
0.233 |
|
E BV |
0.013 |
|
VI |
0.26 |
|
21477-1813 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
214744.81-181246.9 |
|
Mag |
9.3 |
|
Calc delta mag |
1.7 |
|
Calc coord |
yes |
|