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Doubles in session


Current system
22504-1744
DON 1038


Nearby doubles
12' : 22512-1742
KPP 619

18' : 22492-1740
LDS5001

29' : 22512-1811
GWP3201

30' : 22522-1730
RED 12

53' : 22487-5935
TOI 342

54' : 22533-1710
RST3309

60' : 22535-1704
GWP3203

91' : 22538-1628
UC 4844AB

104' : 22561-1641
GWP3212

105' : 22473-1609
HU 291

106' : 22470-1919
HDO 172

111' : 22449-1903
UC 4806

112' : 22535-1926
CVR1711

115' : 22549-1919
HDS3258

117' : 22429-1656
RST3308

121' : 22587-1735
LDS5031

122' : 22471-1552
GWP3196

124' : 22446-1918
TDT3685

124' : 22417-1742
DON1036

125' : 22492-1541
RST4112

128' : 22419-1823
GWP3184

128' : 22592-1736
LEO 30

133' : 22487-1534
HJ 3145

134' : 22521-1533
LDT 20

138' : 22435-1608
HU 289

139' : 22570-1925
ARA 816



Selections
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

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 Notesn ReferenceDoc2016i
Equinox2000 Last observation2015 Grade3(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


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds22504-1744b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
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
 
 

22504-1744 DON1038A mag 10.7 Sp K4/5 22504-1744 DON1038B sep 0.4 P.A. 65.70 mag 11 Sp K4/5 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 22504-1744 : ALADIN DSS IMAGE @ 22h 50m 21.55s -17° 44' 20.3"
 
 
 
 
WDS 22504-1744 DON 1038 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

22504-1744 DON1038 distance=0' 22512-1742 KPP 619 distance=12' 22492-1740 LDS5001 distance=18' 22512-1811 GWP3201 distance=29' 22522-1730 RED 12 distance=30' 22487-5935 TOI 342 distance=53' 22533-1710 RST3309 distance=54' 22535-1704 GWP3203 distance=60' 22538-1628 UC 4844AB distance=91' 22538-1628 GWP3205AC distance=91' 22561-1641 GWP3212 distance=104' 22473-1609 HU 291 distance=105' 22470-1919 HDO 172 distance=106' 22449-1903 UC 4806 distance=111' 22535-1926 CVR1711 distance=112' 22549-1919 HDS3258 distance=115' 22429-1656 RST3308 distance=117' 22587-1735 LDS5031 distance=121' 22471-1552 GWP3196 distance=122' 22446-1918 TDT3685 distance=124' 22417-1742 DON1036 distance=124' 22492-1541 RST4112 distance=125' 22419-1823 GWP3184 distance=128' 22592-1736 LEO 30 distance=128' 22487-1534 HJ 3145 distance=133' 22521-1533 LDT 20 distance=134' 22435-1608 HU 289 distance=138' 22570-1925 ARA 816 distance=139' 22460-1536 HU 290 distance=144' 22526-2004 UC 4838 distance=144' 22528-1519 GWP3202 distance=150' 23009-1734 UC 4867 distance=152' 22492-2016 I 141 distance=153' 22527-1513 HJ 3148 distance=154' 22412-1625 TOK 905 distance=154' 22574-1944 BRT1573 distance=155' 22598-1624 TOK 374 distance=158' 22527-1509 DAM 249AB distance=160' 22527-1509 DAM 249AC distance=160' 23001-1616 ARA 134 distance=165' 22577-1953 BRT1574 distance=165' 22579-1950 UC 4852 distance=166' 22489-2029 HDS3239 distance=166' 22400-1912 HJ 3128 distance=171' 22558-2018 ARA1243 distance=172' 22519-2034 LDS5984 distance=173' 22468-2029 BHA 53 distance=173' 22405-1929 KPP 848 distance=176' 22508-2040 HJ 3146 distance=176' 23026-1832 BU 384 distance=182' 22401-1558 HU 288 distance=182' grafico limitrofi
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

 
 
WDS 22504-1744 : COMPONENTS
 
 
  A
B pa=65.7°
sep=0.36"
 
 
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 PmDE -31.0 Tycho2 6390-00152-1
Tycho2
Tycho2 6390-00152-1 Pflag RAmdeg 342.58974851 DEmdeg -17.73901179
PmRA -85.0 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
Q pmDE 0.8 BTmag 11.557 E BTmag 0.077 VTmag 10.552
E VTmag 0.048 Prox 999 TYC T HIP
CCDM RAdeg 342.58994556 DEdeg -17.73892222 EpRA 1990 1.77
EpDE 1990 1.75 E RAdeg 35.5 E DEdeg 41.5 Posflg
Corr -0.2
 
 
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