22504-1744 DON 1038
22h 50m 21.55s -17° 44' 20.3" P.A. 67.00 sep 0.4 mag 10.70,11.00 Sp K4/5+K4/5
Coord 2000 |
22504-1744 |
|
Discov num |
DON1038 |
|
Comp |
|
|
Coord arcsec 2000 |
22 50 21.55 -17 44 20.3 |
|
Date first |
1932 |
|
Date last |
2018 |
|
Obs |
12 |
|
Pa first |
344 |
|
Pa last |
66.7 |
|
P.A. Now (θ) |
252.8° |
|
Sep first |
0.5 |
|
Sep last |
0.374 |
|
Sep. Now (ρ) |
0.337" |
|
Mag pri |
10.70 |
|
Mag sec |
11.00 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
K4/5+K4/5 (yellow-orange/yellow-orange) |
|
Pri motion ra |
-077 |
|
Sec motion ra |
|
|
Pri motion dec |
-031 |
|
Sec motion dec |
|
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Aquarius |
|
Tycho2 |
6390-00152-1 |
|
ORBITAL ELEMENTS
Period (P) | 147.13y | ± 5 |
Periastron (T) | 1972.27y | ± 0.6 |
Semi-major axis (a) | 0.488a | ± 0.02 |
Eccentricity (e) | 0.556 | ± 0.004 |
Inclination (i) | 64.2° | ± 3.5 |
Longitude of periastron (ω) | 97.6° | ± 2 |
Node (Ω) | 9.9° | ± 0.5 |
Notes | n | |
Reference | Doc2016i | |
Equinox | 2000 | |
Last observation | 2015 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
216.3 |
0.391 |
2001 |
217.7 |
0.390 |
2002 |
219.1 |
0.389 |
2003 |
220.5 |
0.387 |
2004 |
221.9 |
0.385 |
2005 |
223.3 |
0.383 |
2006 |
224.8 |
0.381 |
2007 |
226.2 |
0.378 |
2008 |
227.7 |
0.376 |
2009 |
229.2 |
0.373 |
2010 |
230.7 |
0.371 |
2011 |
232.3 |
0.368 |
2012 |
233.9 |
0.365 |
2013 |
235.4 |
0.362 |
2014 |
237.1 |
0.359 |
2015 |
238.7 |
0.356 |
2016 |
240.4 |
0.354 |
2017 |
242.1 |
0.351 |
2018 |
243.8 |
0.348 |
2019 |
245.6 |
0.346 |
2020 |
247.3 |
0.343 |
2021 |
249.1 |
0.341 |
2022 |
251.0 |
0.339 |
2023 |
252.8 |
0.337 |
2024 |
254.7 |
0.335 |
2025 |
256.6 |
0.333 |
2026 |
258.5 |
0.331 |
2027 |
260.4 |
0.330 |
2028 |
262.4 |
0.329 |
2029 |
264.3 |
0.327 |
2030 |
266.3 |
0.327 |
|
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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 |
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WDS 22504-1744 DON 1038 : NOTES
discov_num |
notes |
refcode |
DON1038 |
Gomez et al. (2016) derive dynamical parallax and component masses: |
|
|
16.10 +/- 0.89 mas, 0.644 +/- 0.017 Msun, 0.644 +/- 0.017 Msun. |
Doc2016i |
REFERENCES
refcode |
metd |
author |
reference |
Doc2016i |
orb - |
Gomez, J., Docobo, J.A., Campo, P., & Mendez, R.A. |
2016AJ....152..216G |
Doc2016i |
|
AJ 152, 216, 2016 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
DON |
Donner, H.F. |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
22504-1744 |
DON1038 |
|
1989 |
8 |
126 |
0.2 |
10.70 |
11.00 |
|
O |
225021.55-174420.3 |
22504-1744 |
DON1038 |
|
2015 |
9 |
240 |
0.4 |
10.70 |
11.00 |
|
O |
225021.55-174420.3 |
22504-1744 |
DON1038 |
|
2017 |
10 |
245 |
0.4 |
10.70 |
11.00 |
K4/5+K4/5 |
NO |
225021.55-174420.3 |
22504-1744 |
DON1038 |
|
2018 |
11 |
67 |
0.4 |
10.70 |
11.00 |
K4/5+K4/5 |
NO |
225021.55-174420.3 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 22504-1744 DON 1038 : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 22504-1744 DON 1038 : MEASURES
No records found.
WDS 22504-1744 : VIRTUAL EYEPIECE
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
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WDS 22504-1744 : ALADIN DSS IMAGE @ 22h 50m 21.55s -17° 44' 20.3"
WDS 22504-1744 DON 1038 : 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 |
|
22504-1744 |
DON1038 |
|
67 |
0.4 |
|
Show |
|
22512-1742 |
KPP 619 |
|
225 |
5.7 |
12 |
Show |
|
22492-1740 |
LDS5001 |
|
25 |
4.2 |
18 |
Show |
|
22512-1811 |
GWP3201 |
|
82 |
20.3 |
29 |
Show |
|
22522-1730 |
RED 12 |
|
358 |
0.1 |
30 |
Show |
|
22487-5935 |
TOI 342 |
|
227 |
0.4 |
53 |
Show |
|
22533-1710 |
RST3309 |
|
316 |
1.0 |
54 |
Show |
|
22535-1704 |
GWP3203 |
|
183 |
21.3 |
60 |
Show |
|
22538-1628 |
UC 4844 |
AB |
92 |
27.3 |
91 |
Show |
|
22538-1628 |
GWP3205 |
AC |
294 |
18.3 |
91 |
Show |
|
22561-1641 |
GWP3212 |
|
72 |
28.3 |
104 |
Show |
|
22473-1609 |
HU 291 |
|
326 |
2.7 |
105 |
Show |
|
22470-1919 |
HDO 172 |
|
83 |
22.1 |
106 |
Show |
|
22449-1903 |
UC 4806 |
|
57 |
29.0 |
111 |
Show |
|
22535-1926 |
CVR1711 |
|
357 |
4.2 |
112 |
Show |
|
22549-1919 |
HDS3258 |
|
159 |
0.2 |
115 |
Show |
|
22429-1656 |
RST3308 |
|
137 |
0.9 |
117 |
Show |
|
22587-1735 |
LDS5031 |
|
32 |
20.8 |
121 |
Show |
|
22471-1552 |
GWP3196 |
|
134 |
12.3 |
122 |
Show |
|
22446-1918 |
TDT3685 |
|
224 |
7.2 |
124 |
Show |
|
22417-1742 |
DON1036 |
|
282 |
0.6 |
124 |
Show |
|
22492-1541 |
RST4112 |
|
112 |
0.6 |
125 |
Show |
|
22419-1823 |
GWP3184 |
|
23 |
45.7 |
128 |
Show |
|
22592-1736 |
LEO 30 |
|
157 |
1.5 |
128 |
Show |
|
22487-1534 |
HJ 3145 |
|
196 |
15.2 |
133 |
Show |
|
22521-1533 |
LDT 20 |
|
252 |
0.7 |
134 |
Show |
|
22435-1608 |
HU 289 |
|
280 |
1.3 |
138 |
Show |
|
22570-1925 |
ARA 816 |
|
214 |
5.5 |
139 |
Show |
|
22460-1536 |
HU 290 |
|
353 |
17.5 |
144 |
Show |
|
22526-2004 |
UC 4838 |
|
90 |
50.4 |
144 |
Show |
|
22528-1519 |
GWP3202 |
|
182 |
128.8 |
150 |
Show |
|
23009-1734 |
UC 4867 |
|
120 |
8.8 |
152 |
Show |
|
22492-2016 |
I 141 |
|
322 |
3.0 |
153 |
Show |
|
22527-1513 |
HJ 3148 |
|
140 |
29.7 |
154 |
Show |
|
22412-1625 |
TOK 905 |
|
65 |
4.5 |
154 |
Show |
|
22574-1944 |
BRT1573 |
|
301 |
4.1 |
155 |
Show |
|
22598-1624 |
TOK 374 |
|
287 |
0.2 |
158 |
Show |
|
22527-1509 |
DAM 249 |
AB |
8 |
12.9 |
160 |
Show |
|
22527-1509 |
DAM 249 |
AC |
244 |
14.6 |
160 |
Show |
|
23001-1616 |
ARA 134 |
|
163 |
8.9 |
165 |
Show |
|
22577-1953 |
BRT1574 |
|
359 |
4.1 |
165 |
Show |
|
22579-1950 |
UC 4852 |
|
106 |
54.0 |
166 |
Show |
|
22489-2029 |
HDS3239 |
|
199 |
0.3 |
166 |
Show |
|
22400-1912 |
HJ 3128 |
|
228 |
10.9 |
171 |
Show |
|
22558-2018 |
ARA1243 |
|
271 |
10.1 |
172 |
Show |
|
22519-2034 |
LDS5984 |
|
201 |
126.8 |
173 |
Show |
|
22468-2029 |
BHA 53 |
|
302 |
5.6 |
173 |
Show |
|
22405-1929 |
KPP 848 |
|
99 |
7.2 |
176 |
Show |
|
22508-2040 |
HJ 3146 |
|
40 |
14.6 |
176 |
Show |
|
23026-1832 |
BU 384 |
|
59 |
1.1 |
182 |
Show |
|
22401-1558 |
HU 288 |
|
244 |
0.5 |
182 |
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WDS 22504-1744 : COMPONENTS
22504-1744 A
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
225021.55-174420.3 |
|
Mag |
10.7 |
|
Spectral class |
K4/5 (yellow-orange) |
|
PmRA |
-77.00 |
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PmDE |
-31.0 |
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Tycho2 |
6390-00152-1 |
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Tycho2 |
6390-00152-1 |
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Pflag |
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RAmdeg |
342.58974851 |
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DEmdeg |
-17.73901179 |
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PmRA |
-85.0 |
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PmDE |
-39.0 |
|
E RAmdeg |
28 |
|
E DEmdeg |
36 |
|
E pmRA |
2.1 |
|
E pmDE |
2.5 |
|
EpRAm |
1983.15 |
|
EpDEm |
1985.66 |
|
Num |
5 |
|
Q RAmdeg |
1.1 |
|
Q DEmdeg |
0.8 |
|
Q pmRA |
1.1 |
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Q pmDE |
0.8 |
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BTmag |
11.557 |
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E BTmag |
0.077 |
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VTmag |
10.552 |
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E VTmag |
0.048 |
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Prox |
999 |
|
TYC |
T |
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HIP |
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CCDM |
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RAdeg |
342.58994556 |
|
DEdeg |
-17.73892222 |
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EpRA 1990 |
1.77 |
|
EpDE 1990 |
1.75 |
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E RAdeg |
35.5 |
|
E DEdeg |
41.5 |
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Posflg |
|
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Corr |
-0.2 |
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22504-1744 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
225021.57-174420.2 |
|
Mag |
11 |
|
Spectral class |
K4/5 (yellow-orange) |
|
Calc delta mag |
0.3 |
|
Calc coord |
yes |
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