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Doubles in session


Current system
22003-2330
I 674
HD 208955


Nearby doubles
25' : 21587-2341
UC 4619

33' : 21582-2315
LDS4928

64' : 22047-2312
WHC 26

65' : 21583-2428
UC 4617

66' : 22006-2224
WHC 24

72' : 21582-2225
COO 246

91' : 21551-2237
WSP 111

93' : 22043-2216
KPP 988

95' : 22015-2503
UC 4631AB

95' : 22039-2451
SEE 465AB

99' : 22029-2158
UC 4634

117' : 22035-2142
I 676

126' : 21587-2534
TDT3271

127' : 21546-2509
BRT3103

130' : 22073-2202
UC 4657

133' : 21581-2120
DON1021

135' : 22049-2528
RST1121

141' : 22105-2333
SEE 470AB

142' : 21529-2152
DON1120

144' : 21500-2314
ARA2280

147' : 21575-2109
BU 169

150' : 21495-2339
KPP 500

154' : 22045-2553
B 549

156' : 21556-2108
HJ 3065AB

156' : 21524-2522
B 541

159' : 22087-2141
TDT3365



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

22003-2330 I 674 (HD 208955)

 
 
22h 00m 19.88s -23° 30' 03.2" P.A. 244.00 sep 0.3 mag 9.70,9.90 Sp G3V
 
 
Coord 2000 22003-2330 Discov num I   674 Comp Coord arcsec 2000 22 00 19.88 -23 30 03.2
Date first 1907 Date last 2020 Obs 15
Pa first 260 Pa last 243.5 P.A. Now (θ) 245.8°
Sep first 0.4 Sep last 0.259 Sep. Now (ρ) 0.289"
Mag pri 9.70 Mag sec 9.90 delta mag (ΔM) 0.2 Spectral class G3V (yellow)
Pri motion ra +039 Sec motion ra
Pri motion dec -057 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 208955 Constellation Aquarius SAO 190815 Tycho2 6954-01126-1
Gaia DR2 6813564190280657664 HD 208955 ADS 15526
 
 
ORBITAL ELEMENTS
 
 
Period (P)301y± 57 Periastron (T)2007.87y± 0.11 Semi-major axis (a)0.5a± 0.059
Eccentricity (e)0.852± 0.019 Inclination (i)59.7°± 1.1 Longitude of periastron (ω)44.5°± 1.8
Node (Ω)69.4°± 1.2 Notes ReferenceTok2019c
Equinox Last observation2018 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 24.6 0.118
2001 30.5 0.114
2002 36.7 0.111
2003 43.3 0.107
2004 50.4 0.103
2005 58.4 0.096
2006 67.8 0.087
2007 80.0 0.074
2008 98.8 0.057
2009 132.0 0.044
2010 173.9 0.047
2011 200.7 0.065
2012 214.7 0.087
2013 222.9 0.110
2014 228.3 0.133
2015 232.2 0.154
2016 235.1 0.174
2017 237.5 0.193
2018 239.4 0.211
2019 241.1 0.228
2020 242.5 0.244
2021 243.7 0.260
2022 244.8 0.275
2023 245.8 0.289
2024 246.7 0.303
2025 247.5 0.317
2026 248.3 0.329
2027 249.0 0.342
2028 249.6 0.354
2029 250.3 0.365
2030 250.8 0.377


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


 
  


wds22003-2330a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 22003-2330 I 674 (HD 208955) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2019c St j Tokovinin, A., Mason, B.D., Mendez, R.A., Horch, E.P. & Briceno, C. 2019AJ....158...48T
Tok2019c +orb AJ 158, 48, 2019
 
 
DISCOVERER
 
 
idgroup discov author
1 I Innes, R.T.A.
5 I MNRAS 57, 533, 1897 (data also in I__1897b,
5 I I__1897c)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
22003-2330 I 674 1990 11 346 0.2 9.70 9.90 G3V 220019.88-233003.2
22003-2330 I 674 2008 12 115 0.0 9.70 9.90 G3V 220019.88-233003.2
22003-2330 I 674 2018 13 241 0.2 9.70 9.90 G3V 220019.88-233003.2
22003-2330 I 674 2019 14 242 0.2 9.70 9.90 G3V O 220019.88-233003.2
22003-2330 I 674 2020 15 244 0.3 9.70 9.90 G3V O 220019.88-233003.2

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 22003-2330 I 674 (HD 208955) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 22003-2330 I 674 (HD 208955) : MEASURES
 
 
No records found.

 
 
WDS 22003-2330 (HD 208955) : VIRTUAL EYEPIECE
 
 

22003-2330 I 674A mag 9.7 Sp G3V 22003-2330 I 674B sep 0.2 P.A. 241.50 mag 9.9 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 22003-2330 (HD 208955) : ALADIN DSS IMAGE @ 22h 00m 19.88s -23° 30' 03.2"
 
 
 
 
WDS 22003-2330 I 674 (HD 208955) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

22003-2330 I 674 distance=0' 21587-2341 UC 4619 distance=25' 21582-2315 LDS4928 distance=33' 22047-2312 WHC 26 distance=64' 21583-2428 UC 4617 distance=65' 22006-2224 WHC 24 distance=66' 21582-2225 COO 246 distance=72' 21551-2237 WSP 111 distance=91' 22043-2216 KPP 988 distance=93' 22015-2503 UC 4631AB distance=95' 22015-2503 KPP4399AC distance=95' 22039-2451 SEE 465AB distance=95' 22039-2451 LDS6378AC distance=95' 22039-2451 LDS4939AD distance=95' 22039-2451 SEE 465Aa,Ab distance=95' 22039-2451 SEE 465Ba,Bb distance=95' 22029-2158 UC 4634 distance=99' 22035-2142 I 676 distance=117' 21587-2534 TDT3271 distance=126' 21546-2509 BRT3103 distance=127' 22073-2202 UC 4657 distance=130' 21581-2120 DON1021 distance=133' 22049-2528 RST1121 distance=135' 22105-2333 SEE 470AB distance=141' 22105-2333 UC 4670AC distance=141' 21529-2152 DON1120 distance=142' 21500-2314 ARA2280 distance=144' 21575-2109 BU 169 distance=147' 21495-2339 KPP 500 distance=150' 22045-2553 B 549 distance=154' 21556-2108 HJ 3065AB distance=156' 21556-2108 HJ 3065AC distance=156' 21524-2522 B 541 distance=156' 22087-2141 TDT3365 distance=159' 22049-2104 DON1022 distance=160' 21512-2147 TDT3194 distance=164' 22102-2504 RST3293 distance=164' 22074-2544 KPP3097 distance=166' 22124-2332 ARA2322 distance=166' 22099-2514 BVD 155 distance=167' 22077-2546 RST1122 distance=170' 22064-2103 DON1023 distance=170' 21499-2509 B 540 distance=174' 21496-2505 UC 4575 distance=175' 22088-2546 SEE 469 distance=179' 22064-2047 CLO 3 distance=184' 21500-2127 LDS4913 distance=190' 22009-2021 I 675 distance=190' 22141-2308 FOX 45AB distance=191' 22141-2308 FOX 45AC distance=191' 21465-2338 UC 4557 distance=191' 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 22003-2330 I 674 244 0.3
Show 21587-2341 UC 4619 313 30.0 25
Show 21582-2315 LDS4928 271 19.1 33
Show 22047-2312 WHC 26 332 9.9 64
Show 21583-2428 UC 4617 354 56.6 65
Show 22006-2224 WHC 24 48 20.2 66
Show 21582-2225 COO 246 337 21.9 72
Show 21551-2237 WSP 111 100 5.0 91
Show 22043-2216 KPP 988 144 8.0 93
Show 22015-2503 UC 4631 AB 315 36.3 95
Show 22015-2503 KPP4399 AC 334 1.1 95
Show 22039-2451 SEE 465 AB 170 3.4 95
Show 22039-2451 LDS6378 AC 148 122.9 95
Show 22039-2451 LDS4939 AD 346 97.7 95
Show 22039-2451 SEE 465 Aa,Ab 148 0.7 95
Show 22039-2451 SEE 465 Ba,Bb 115 0.1 95
Show 22029-2158 UC 4634 310 84.4 99
Show 22035-2142 I 676 186 1.2 117
Show 21587-2534 TDT3271 60 0.9 126
Show 21546-2509 BRT3103 175 3.6 127
Show 22073-2202 UC 4657 349 27.0 130
Show 21581-2120 DON1021 186 2.8 133
Show 22049-2528 RST1121 184 0.6 135
Show 22105-2333 SEE 470 AB 28 1.7 141
Show 22105-2333 UC 4670 AC 99 56.3 141
Show 21529-2152 DON1120 212 8.3 142
Show 21500-2314 ARA2280 78 5.0 144
Show 21575-2109 BU 169 284 2.0 147
Show 21495-2339 KPP 500 312 3.6 150
Show 22045-2553 B 549 218 3.7 154
Show 21556-2108 HJ 3065 AB 125 41.6 156
Show 21556-2108 HJ 3065 AC 333 65.0 156
Show 21524-2522 B 541 295 0.2 156
Show 22087-2141 TDT3365 17 0.5 159
Show 22049-2104 DON1022 267 1.2 160
Show 21512-2147 TDT3194 257 0.9 164
Show 22102-2504 RST3293 192 1.2 164
Show 22074-2544 KPP3097 75 7.9 166
Show 22124-2332 ARA2322 79 12.2 166
Show 22099-2514 BVD 155 281 47.6 167
Show 22077-2546 RST1122 77 0.6 170
Show 22064-2103 DON1023 85 0.9 170
Show 21499-2509 B 540 326 0.1 174
Show 21496-2505 UC 4575 48 8.9 175
Show 22088-2546 SEE 469 276 0.2 179
Show 22064-2047 CLO 3 261 0.2 184
Show 21500-2127 LDS4913 277 15.6 190
Show 22009-2021 I 675 63 5.7 190
Show 22141-2308 FOX 45 AB 164 5.1 191
Show 22141-2308 FOX 45 AC 86 28.5 191
Show 21465-2338 UC 4557 162 8.1 191

 
 
WDS 22003-2330 : COMPONENTS
 
 
  A
B pa=241.5°
sep=0.24"
 
 
22003-2330 A
 
 
Componente originario normalizzato AB Name HD 208955 Coord arcsec 2000 220019.88-233003.2 Mag 9.7
Spectral class G3V (yellow) PmRA 39.00 PmDE -57.0 SAO 190815
Tycho2 6954-01126-1 HD 208955 ADS 15526 DM CD-2416943
Tycho2
Tycho2 6954-01126-1 Pflag RAmdeg 330.08284184 DEmdeg -23.50089805
PmRA 43.7 PmDE -54.7 E RAmdeg 16 E DEmdeg 17
E pmRA 2.6 E pmDE 2.4 EpRAm 1990.84 EpDEm 1990.69
Num 3 Q RAmdeg 0.0 Q DEmdeg 0.8 Q pmRA 0.0
Q pmDE 0.8 BTmag 10.070 E BTmag 0.030 VTmag 9.349
E VTmag 0.023 Prox 999 TYC T HIP
CCDM RAdeg 330.08272694 DEdeg -23.50076667 EpRA 1990 1.34
EpDE 1990 1.34 E RAdeg 15.5 E DEdeg 16.5 Posflg
Corr -0.2
SAO
SAO 190815 DelFlag RA1950 PmRA1950 0.0034
DE1950 PmDE1950 -0.043 Vmag 9 SpType G5
Double code Source 25 CatNum 15039 DM CD-2416943
DMcomp BDsup HD 208955 M HD 0
GC RA1950rad 5.74876807 DE1950rad -0.41434951 PmRA2000 0.0034
PmDE2000 -0.046
CCDM
Ccdm 22003-2330 RComp Comp A Note1
Note2 Discov num DRAs 1.86 DDEs -2.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.7 Sp G5 PmNote *
PmRA 47 PmDE -43 Dm number -2416943 Cat1 CD
Name2 190815 Cat2 SAO HD 208955 M HD
ADS BDS A15526 M ADS BDS N IDS IDS 21547S2359A
HIC
 
 
22003-2330 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 220019.86-233003.3 Mag 9.9 Calc delta mag 0.2
Calc coord yes
CCDM
Ccdm 22003-2330 RComp Comp B Note1
Note2 Discov num I 674 DRAs DDEs
R dRAs Year 1950 Theta 291 Rho 0.4
Obs 6 Vmag 9.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15526 M ADS BDS N IDS IDS 21547S2359B
HIC