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Doubles in session


Current system
21218+0202
STF 2787 AB
HD 203383


Nearby doubles
21' : 21210+0217
HEI 408AB

28' : 21199+0158
KPP 763

46' : 21234+0123
BAL1228

51' : 21251+0157
BAL1588

52' : 21214+0253
STT 435

56' : 21255+0203
A 2289AB

58' : 21182+0141
BAL1584

58' : 21211+0104
BAL1227

58' : 21242+0248
J 914

60' : 21185+0236
OSO 144

63' : 21188+0245
BAL2051

64' : 21197+0256
CVR 893

67' : 21209+0307
BU 838

69' : 21189+0252
HEI 407

74' : 21256+0248
J 1039

86' : 21276+0204
J 2349

90' : 21242+0323
BAL2052

92' : 21257+0051
GRV 464

93' : 21242+0036
ITF 219

93' : 21237+0034
A 886

94' : 21243+0327
BAL2561

96' : 21211+0336
NSN 5

96' : 21260+0312
BAL2053

101' : 21210+0022
RST5162

101' : 21198+0026
WAA 50

101' : 21251+0330
FMR 163



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.

21218+0202 STF 2787 AB (HD 203383)

 
 
21h 21m 47.59s +02° 01' 38.5" P.A. 20.00 sep 22.6 mag 7.49,8.64 Sp A2 dist. 2564.1 pc (8364.09 l.y.)
 
 
Coord 2000 21218+0202 Discov num STF2787 Comp AB Coord arcsec 2000 21 21 47.59 +02 01 38.5
Date first 1830 Date last 2014 Obs 37
Pa first 20 Pa last 19.7 P.A. Now (θ) 19.7°
Sep first 22.7 Sep last 22.646 Sep. Now (ρ) 22.646"
Mag pri 7.49 Mag sec 8.64 delta mag (ΔM) 1.15 Spectral class A2 (white)
Pri motion ra +000 Sec motion ra -004
Pri motion dec -008 Sec motion dec -004
Notes N (See Notes)
rPM=0.707
Nature of this double is uncertain.
 
 
21218+0202 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 203383 126730 21 21 48 +02 01 38 STF 2787 AB 2014 37 20 22.6 7.49 8.64 1.15 <===
Show 126730 21 21 48 +02 01 38 STF 2787 AC 2015 12 94 70.4 7.49 11.41 3.92
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 203383 Constellation Aquarius SAO 126730 HIP 105472
Tycho2 0532-02289-1 Gaia DR2 2691447788684629376 HD 203383 GC 29894
BD BD+01 4465 Distance 2564.1 Distance ly 8364.09
 
 
WDS 21218+0202 STF 2787 AB (HD 203383) : NOTES
 
 
discov_num notes refcode
STF2787 B is BD+01@4465a.
 
 
REFERENCES
 
 
refcode metd author reference
STFA (F. Struve DD - Appendix list #1) ...................
STFB (F. Struve DD - Appendix list #2) ...................
StF1833A Ma - Struve, F.G.W. 1833MmRAS...5...13H
StF1833A +Mc cited by Herschel (MemRAS 5, 13, 1833)
StF1833B Ma - Struve, F.G.W. 1833AN.....10..389B
StF1833B cited by Bessel (AN 10, 389, 1833)
StF1837 Ma - Struve, F.G.W. 1837AN.....14...249
StF1837 Stellarum duplicium et multiplicium mensurae micrometricae...
StF1837 (Dorpat, Academiae scientiarum caesareae petropolitaneifique), 1837
StF1844A Ma - Struve, F.G.W. 1844QB43.S66.......
StF1844A cited by Smyth (Cycle of Celestial Objects 2, 1844)
StF1852A Ma - Struve, F.G.W. .
StF1852A cited by Bishop (Bishop Obs. Astron. Observations 1852)
StF1865A Ma - Struve, F.G.W. 1865AN.....64...81E
StF1865A cited by Engelmann (AN 64, 81, #1518, 1865)
StF1875A Ma - Struve, F.G.W. 1875AN.....85..323D
StF1875A cited by Doberck, 1875 (see Dob1875b,f,g,h)
StF1878 Ma - Struve, F.G.W. .
StF1878 Pulkova Observations 9, 1878
StF1878B Ma - Struve, F.G.W. 1878Obs.....2..239G
StF1878B cited by Gledhill (Obs 2, 239, 1878)
StF1880A Ma - Struve, F.G.W. 1880Obs.....3..535G
StF1880A cited by Gledhill (Obs 3, 535, 1880)
StF1906A Ma - Struve, F.G.W. 1906QB821.B972.....
StF1906A cited in BDS (Burnham Double Star Cat.), 1906
StF1906B Ma - Struve, F.G.W. 1906MmRAS..56....1L
StF1906B cited by Lewis (MemRAS 56, 1, 1906)
StF1922A Ma - Struve, F.G.W. 1922AN....216...49R
StF1922A cited by Rabe (AN 216, 49, 1922)
StF1932A Ma - Struve, F.G.W. 1932QB821.A43......
StF1932A cited in ADS (Aitken Double Star Cat.), 1932
StF2002 - - Weis, J.
StF2002 F. G. W. Struve's double stars : the Dorpat catalogue; the Pulkovo catalogue
StF2002 USNO Library : QB 821 .S8 W49 2002
StF2022 - - email note from Jan Weis: 6 July 2022
StF9999 Ma - Struve, F.G.W. ...................
StF9999 Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21218+0202 STF2787 AB 2002 29 20 22.7 7.49 8.64 A2 N D 212147.59+020138.5
21218+0202 STF2787 AB 2012 31 19 22.7 7.49 8.64 A2 N D 212147.59+020138.5
21218+0202 STF2787 AB 2014 37 20 22.6 7.49 8.64 A2 N 212147.59+020138.5

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

 
 
WDS 21218+0202 STF 2787 AB (HD 203383) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21218+0202 STF 2787 AB (HD 203383) : MEASURES
 
 
No records found.

 
 
WDS 21218+0202 (HD 203383) : VIRTUAL EYEPIECE
 
 

21218+0202 STF2787A mag 7.49 Sp A2 21218+0202 STF2787B sep 22.6 P.A. 19.70 mag 8.64 21218+0202 STF2787C sep 70.4 P.A. 93.90 mag 11.41 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 21218+0202 (HD 203383) : ALADIN DSS IMAGE @ 21h 21m 47.59s +02° 01' 38.5"
 
 
 
 
WDS 21218+0202 STF 2787 AB (HD 203383) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21218+0202 STF2787AB distance=1' 21218+0202 STF2787AC distance=1' 21210+0217 HEI 408DE distance=19' 21210+0217 BAL1586Aa,Ab distance=21' 21210+0217 HEI 408AB distance=21' 21210+0217 HEI 408AC distance=21' 21210+0217 HEI 408AD distance=21' 21199+0158 KPP 763 distance=28' 21234+0123 BAL1228 distance=46' 21251+0157 BAL1588 distance=51' 21214+0253 STT 435 distance=52' 21255+0203 A 2289AB distance=56' 21255+0203 STT 439AB,C distance=56' 21182+0141 BAL1584 distance=58' 21211+0104 BAL1227 distance=58' 21242+0248 J 914 distance=58' 21185+0236 OSO 144 distance=60' 21188+0245 BAL2051 distance=63' 21197+0256 CVR 893 distance=64' 21209+0307 BU 838 distance=67' 21189+0252 HEI 407 distance=69' 21256+0248 J 1039 distance=74' 21276+0204 J 2349 distance=86' 21242+0323 BAL2052 distance=90' 21257+0051 GRV 464 distance=92' 21242+0036 ITF 219 distance=93' 21237+0034 A 886 distance=93' 21243+0327 BAL2561 distance=94' 21211+0336 NSN 5 distance=96' 21260+0312 BAL2053 distance=96' 21210+0022 RST5162 distance=101' 21198+0026 WAA 50 distance=101' 21251+0330 FMR 163 distance=101' 21165-0054 TDT2876 distance=105' 21173+0323 BAL2050 distance=106' 21192+0339 J 1721 distance=106' 21279+0105 BAL1230 distance=108' 21286+0237 BAL2054 distance=108' 21163+0052 BAL1226 distance=109' 21243+0343 A 2288 distance=109' 21276+0054 BAL1229 distance=111' 21188+0019 WSS 4 distance=113' 21161+0045 SLN 40 distance=115' 21166-0037 HDS3029 distance=116' 21267+0335 VOU 41 distance=120' 21212+0001 BAL 931 distance=121' 21187+0010 KPP1282 distance=122' 21278-0040 SLW9009 distance=122' 21225+0403 UC 4462 distance=123' 21180+0010 BUP 228BC distance=123' 21180+0010 LYS 44BD distance=123' 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 21218+0202 STF2787 AB 20 22.6 1
Show 21218+0202 STF2787 AC 94 70.4 1
Show 21210+0217 HEI 408 DE 106 54.5 19
Show 21210+0217 BAL1586 Aa,Ab 111 0.6 21
Show 21210+0217 HEI 408 AB 258 2.3 21
Show 21210+0217 HEI 408 AC 273 55.5 21
Show 21210+0217 HEI 408 AD 111 95.2 21
Show 21199+0158 KPP 763 174 6.6 28
Show 21234+0123 BAL1228 317 5.9 46
Show 21251+0157 BAL1588 134 17.2 51
Show 21214+0253 STT 435 239 0.7 52
Show 21255+0203 A 2289 AB 334 0.1 56
Show 21255+0203 STT 439 AB,C 222 14.6 56
Show 21182+0141 BAL1584 338 9.7 58
Show 21211+0104 BAL1227 152 4.3 58
Show 21242+0248 J 914 1.8 58
Show 21185+0236 OSO 144 346 16.8 60
Show 21188+0245 BAL2051 166 2.6 63
Show 21197+0256 CVR 893 85 21.0 64
Show 21209+0307 BU 838 156 1.6 67
Show 21189+0252 HEI 407 62 0.2 69
Show 21256+0248 J 1039 332 4.3 74
Show 21276+0204 J 2349 237 8.4 86
Show 21242+0323 BAL2052 256 16.9 90
Show 21257+0051 GRV 464 300 26.1 92
Show 21242+0036 ITF 219 270 2.6 93
Show 21237+0034 A 886 349 4.8 93
Show 21243+0327 BAL2561 288 20.5 94
Show 21211+0336 NSN 5 65 7.5 96
Show 21260+0312 BAL2053 93 19.9 96
Show 21210+0022 RST5162 21 0.4 101
Show 21198+0026 WAA 50 99 15.8 101
Show 21251+0330 FMR 163 12 15.4 101
Show 21165-0054 TDT2876 105 0.6 105
Show 21173+0323 BAL2050 181 18.3 106
Show 21192+0339 J 1721 272 3.2 106
Show 21279+0105 BAL1230 274 11.9 108
Show 21286+0237 BAL2054 121 18.1 108
Show 21163+0052 BAL1226 199 3.9 109
Show 21243+0343 A 2288 227 0.4 109
Show 21276+0054 BAL1229 332 10.6 111
Show 21188+0019 WSS 4 37 2.8 113
Show 21161+0045 SLN 40 207 2.0 115
Show 21166-0037 HDS3029 120 0.6 116
Show 21267+0335 VOU 41 171 0.1 120
Show 21212+0001 BAL 931 234 34.7 121
Show 21187+0010 KPP1282 16 9.8 122
Show 21278-0040 SLW9009 59 31.2 122
Show 21225+0403 UC 4462 71 29.2 123
Show 21180+0010 BUP 228 BC 117 12.2 123
Show 21180+0010 LYS 44 BD 181 41.2 123

 
 
WDS 21218+0202 : COMPONENTS
 
 
  A B
B pa=19.7°
sep=22.64"
 
C pa=93.9°
sep=70.39"
pa=112.6°
sep=67.82"
 
 
21218+0202 A
 
 
Name HD 203383 Coord arcsec 2000 212147.59+020138.5 Mag 7.49 Spectral class A2 (white)
PmRA 0.00 PmDE -8.0 SAO 126730 HIP 105472
Tycho2 0532-02289-1 HD 203383 GC 29894 BD BD+01 4465
Tycho2
Tycho2 0532-02289-1 Pflag RAmdeg 320.44829577 DEmdeg 2.02733845
PmRA -1.8 PmDE -5.3 E RAmdeg 5 E DEmdeg 6
E pmRA 1.3 E pmDE 1.1 EpRAm 1991.54 EpDEm 1991.04
Num 12 Q RAmdeg 1.0 Q DEmdeg 0.7 Q pmRA 1.1
Q pmDE 0.6 BTmag 7.990 E BTmag 0.017 VTmag 7.487
E VTmag 0.012 Prox 227 TYC T HIP 105472
CCDM A RAdeg 320.44830000 DEdeg 2.02735056 EpRA 1990 1.87
EpDE 1990 1.73 E RAdeg 5.1 E DEdeg 6.3 Posflg
Corr 0.0
SAO
SAO 126730 DelFlag RA1950 PmRA1950 0.0002
DE1950 PmDE1950 0.005 Vmag 7.9 SpType A2
Double code Source 70 CatNum 29894 DM BD+01 4465
DMcomp BDsup HD 203383 M HD 0
GC 29894 RA1950rad 5.58180036 DE1950rad 0.03165647 PmRA2000 0.0004
PmDE2000 0.001
Hipparcos
Catalog H HIP 105472 Proxy RAhms 21 21 47.59
DEdms +02 01 38.5 Vmag 7.47 VarFlag R Vmag H
RAdeg 320.448 DEdeg 2.02735 AstroRef A Plx 0.91
CCDM 21218+0202 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD 203383 BD BD+01 4465
CD CP Dm number +01 4465 VIred 0.53
SpType A2 R SpType Coord arcsec 2000 212147.59+020138.5
Hipparcos 2
HIP 105472 Sn 95 So 3 Nc 1
RArad 5.5928778828 DErad 0.0353839611 Plx -0.39 PmRA -5.11
PmDE -7.37 E RArad 1.22 E DErad 0.81 E Plx 1.33
E pmRA 1.72 E pmDE 0.89 Hpmag 7.5684 E Hpmag 0.0253
SHp 0.044 VA 0 BV 0.462 E BV 0.015
VI 0.53
CCDM
Ccdm 21218+0202 RComp Comp A Note1
Note2 Discov num DRAs -0.35 DDEs -22.0
R dRAs 10 Year Theta Rho
Obs 3 Vmag 8.2 Sp A2 PmNote *
PmRA 10 PmDE -12 Dm number +01 4465 Cat1 BD
Name2 126730 Cat2 SAO HD 203383 M HD
ADS BDS A14901 M ADS BDS N IDS IDS 21167N0136A
HIC 105472
 
 
21218+0202 B
 
 
Coord arcsec 2000 212148.10+020159.8 Mag 8.64 PmRA -4.00 PmDE -4.0
HIP 105475 Tycho2 0532-02329-1 Calc delta mag 1.15 Calc coord yes
Tycho2
Tycho2 0532-02329-1 Pflag RAmdeg 320.45037815 DEmdeg 2.03329100
PmRA -2.5 PmDE -2.2 E RAmdeg 9 E DEmdeg 12
E pmRA 1.6 E pmDE 1.7 EpRAm 1991.51 EpDEm 1991.15
Num 3 Q RAmdeg 1.1 Q DEmdeg 0.0 Q pmRA 1.1
Q pmDE 0.0 BTmag 8.907 E BTmag 0.021 VTmag 8.635
E VTmag 0.019 Prox 227 TYC T HIP 105475
CCDM B RAdeg 320.45038389 DEdeg 2.03329611 EpRA 1990 1.89
EpDE 1990 1.79 E RAdeg 8.8 E DEdeg 12.0 Posflg
Corr 0.0
Hipparcos
Catalog H HIP 105475 Proxy RAhms 21 21 48.10
DEdms +02 01 59.8 Vmag 9.35 VarFlag R Vmag H
RAdeg 320.45 DEdeg 2.03328 AstroRef B Plx -4.66
CCDM 21218+0202 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual A M HIP
Theta Rho HD BD BD+01 4465
CD CP Dm number +01 4465 VIred -0.07
SpType A0 R SpType Coord arcsec 2000 212148.10+020159.8
Hipparcos 2
HIP 105475 Sn 95 So 3 Nc 1
RArad 5.5929149261 DErad 0.0354873545 Plx 0.29 PmRA -7.17
PmDE -9.73 E RArad 14.14 E DErad 8.01 E Plx 14.75
E pmRA 19.65 E pmDE 8.51 Hpmag 9.2621 E Hpmag 0.0922
SHp 0 VA 0 BV 0.139 E BV 0.035
VI 0.15
CCDM
Ccdm 21218+0202 RComp Comp B Note1
Note2 Discov num STF2787 DRAs DDEs
R dRAs Year 1830 Theta 020 Rho 22.7
Obs 13 Vmag 9.5 Sp PmNote
PmRA PmDE Dm number +01 4465 Cat1 BD
Name2 +01 2590 Cat2 AGK2/3 HD M HD
ADS BDS A14901 M ADS BDS N IDS IDS 21167N0136B
HIC 105475
 
 
21218+0202 C
 
 
Coord arcsec 2000 212152.27+020133.7 Mag 11.41 PmRA 2.00 PmDE -2.0
Calc delta mag 3.92 Calc coord yes
CCDM
Ccdm 21218+0202 RComp Comp C Note1
Note2 Discov num STF2787 DRAs DDEs
R dRAs Year 1892 Theta 094 Rho 70.5
Obs 2 Vmag 10.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14901 M ADS BDS N IDS IDS 21167N0136C
HIC