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Doubles in session


Current system
21200+5259
STF 2789 AC


Nearby doubles
6' : 21195+5256
A 1693

6' : 21197+5303
S 786

18' : 21185+5248
TDT2894

19' : 21206+5241
MLR 644

21' : 21199+5319
A 1695

26' : 21211+5323
ES 139

32' : 21233+5249
TOI1361

36' : 21178+5229
SKF 346

40' : 21194+5219
ES 98AB

40' : 21211+5337
CVR 240

42' : 21238+5322
KPP 810

43' : 21196+5216
HEI 593

45' : 21182+5217
HEI 592

47' : 21224+5218
ES 2708

49' : 21241+5227
ES 1006

50' : 21178+5344
TDT2891

52' : 21227+5214
HU 591

55' : 21254+5235
CVR 243

56' : 21203+5354
TDT2910

56' : 21251+5229
HU 592

61' : 21265+5245
BU 369AB

66' : 21147+5345
FMR 234

68' : 21152+5351
BVD 134AB

69' : 21199+5150
STJ 116

71' : 21125+5318
ES 209

71' : 21259+5214
CVR 244



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.

21200+5259 STF 2789 AC

 
 
21h 19m 58.84s +52° 58' 44.1" P.A. 171.00 sep 133.1 mag 7.71,12.53 Sp F8V
 
 
Coord 2000 21200+5259 Discov num STF2789 Comp AC Coord arcsec 2000 21 19 58.84 +52 58 44.1
Date first 1913 Date last 2015 Obs 8
Pa first 172 Pa last 171.1 P.A. Now (θ) 171.1°
Sep first 126.6 Sep last 133.096 Sep. Now (ρ) 133.096"
Mag pri 7.71 Mag sec 12.53 delta mag (ΔM) 4.82 Spectral class F8V (yellow-white)
Pri motion ra +003 Sec motion ra +004
Pri motion dec +059 Sec motion dec -001
Notes W
rPM=1.016
This double is not physical.
 
 
21200+5259 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 203380 33334 21 19 59 +52 58 44 STF 2789 AB 2019 119 113 6.9 7.71 7.87 0.16 Y
Show 33334 21 19 59 +52 58 44 STF 2789 AC 2015 8 171 133.1 7.71 12.53 4.82 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 33334 Tycho2 3953-01414-1 Gaia DR2 2175444507873336448
HD 203380
 
 
WDS 21200+5259 STF 2789 AC : NOTES
 
 
No records found.

 
 
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
21200+5259 STF2789 AC 1913 1 172 126.6 7.71 12.60 F8V 211958.84+525844.1
21200+5259 STF2789 AC 1998 2 171 132.3 7.71 12.60 F8V 211958.84+525844.1
21200+5259 STF2789 AC 2003 3 171 132.3 7.71 12.60 F8V 211958.84+525844.1
21200+5259 STF2789 AC 2012 4 171 132.9 7.71 12.53 F8V 211958.84+525844.1
21200+5259 STF2789 AC 2015 5 171 133.1 7.71 12.53 F8V 211958.84+525844.1

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

 
 
WDS 21200+5259 STF 2789 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21200+5259 STF 2789 AC : MEASURES
 
 
No records found.

 
 
WDS 21200+5259 : VIRTUAL EYEPIECE
 
 

21200+5259 STF2789A mag 7.71 Sp F8V 21200+5259 STF2789B sep 4.7 P.A. 125.40 mag 7.87 21200+5259 STF2789C sep 132.1 P.A. 174.60 mag 12.53 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 21200+5259 : ALADIN DSS IMAGE @ 21h 19m 58.84s +52° 58' 44.1"
 
 
 
 
WDS 21200+5259 STF 2789 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21200+5259 STF2789AC distance=0' 21195+5256 A 1693 distance=6' 21197+5303 S 786 distance=6' 21185+5248 TDT2894 distance=18' 21206+5241 MLR 644 distance=19' 21199+5319 A 1695 distance=21' 21211+5323 ES 139 distance=26' 21233+5249 TOI1361 distance=32' 21178+5229 SKF 346 distance=36' 21194+5219 ES 98BC distance=40' 21194+5219 ES 98CD distance=40' 21194+5219 ES 98AB distance=40' 21194+5219 ES 98AC distance=40' 21211+5337 CVR 240 distance=40' 21238+5322 KPP 810 distance=42' 21196+5216 HEI 593 distance=43' 21182+5217 HEI 592 distance=45' 21224+5218 ES 2708 distance=47' 21241+5227 ES 1006 distance=49' 21178+5344 TDT2891 distance=50' 21227+5214 HU 591 distance=52' 21254+5235 CVR 243 distance=55' 21203+5354 TDT2910 distance=56' 21251+5229 HU 592 distance=56' 21265+5245 BU 369AB distance=61' 21265+5245 BU 369AC distance=61' 21265+5245 BU 369AD distance=61' 21147+5345 FMR 234 distance=66' 21152+5351 BVD 134AB distance=68' 21199+5150 STJ 116 distance=69' 21125+5318 ES 209 distance=71' 21259+5214 CVR 244 distance=71' 21202+5411 HDS3036 distance=73' 21280+5317 HDS3055 distance=75' 21189+5413 FAB 17 distance=75' 21170+5146 DBR 293 distance=78' 21223+5132 CVR 241 distance=90' 21299+5256 STF2803AB distance=90' 21299+5256 GUI 35AC distance=90' 21255+5418 A 1697 distance=94' 21271+5151 CVR 246 distance=94' 21202+5433 TDT2909 distance=95' 21215+5434 ROE 91AB distance=96' 21215+5434 ROE 91AC distance=96' 21215+5434 ROE 91AD distance=96' 21215+5434 ROE 91AE distance=96' 21200+5436 TDT2908Aa,Ab distance=97' 21200+5436 SKF1978AB distance=97' 21092+5220 COU2694 distance=106' 21315+5237 ARY 88AB distance=107' 21315+5237 ARY 88AC distance=107' 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 21200+5259 STF2789 AB 113 6.9
Show 21200+5259 STF2789 AC 171 133.1
Show 21195+5256 A 1693 74 2.8 6
Show 21197+5303 S 786 298 47.9 6
Show 21185+5248 TDT2894 187 2.4 18
Show 21206+5241 MLR 644 211 1.6 19
Show 21199+5319 A 1695 193 0.5 21
Show 21211+5323 ES 139 352 5.7 26
Show 21233+5249 TOI1361 142 8.2 32
Show 21178+5229 SKF 346 305 55.9 36
Show 21194+5219 ES 98 BC 107 51.9 40
Show 21194+5219 ES 98 CD 259 7.6 40
Show 21194+5219 ES 98 AB 308 25.9 40
Show 21194+5219 ES 98 AC 87 29.8 40
Show 21211+5337 CVR 240 21 64.4 40
Show 21238+5322 KPP 810 76 7.0 42
Show 21196+5216 HEI 593 335 1.8 43
Show 21182+5217 HEI 592 70 4.1 45
Show 21224+5218 ES 2708 40 29.9 47
Show 21241+5227 ES 1006 48 8.2 49
Show 21178+5344 TDT2891 201 0.5 50
Show 21227+5214 HU 591 130 0.8 52
Show 21254+5235 CVR 243 319 113.1 55
Show 21203+5354 TDT2910 287 0.7 56
Show 21251+5229 HU 592 325 0.8 56
Show 21265+5245 BU 369 AB 31 16.0 61
Show 21265+5245 BU 369 AC 61 49.3 61
Show 21265+5245 BU 369 AD 331 25.8 61
Show 21147+5345 FMR 234 293 2.5 66
Show 21152+5351 BVD 134 AB 57 22.9 68
Show 21199+5150 STJ 116 53 1.4 69
Show 21125+5318 ES 209 239 4.1 71
Show 21259+5214 CVR 244 112 54.4 71
Show 21202+5411 HDS3036 165 0.4 73
Show 21280+5317 HDS3055 35 0.4 75
Show 21189+5413 FAB 17 313 8.1 75
Show 21170+5146 DBR 293 199 5.5 78
Show 21223+5132 CVR 241 156 75.0 90
Show 21299+5256 STF2803 AB 285 25.9 90
Show 21299+5256 GUI 35 AC 2 87.6 90
Show 21255+5418 A 1697 251 3.8 94
Show 21271+5151 CVR 246 53 69.8 94
Show 21202+5433 TDT2909 77 0.6 95
Show 21215+5434 ROE 91 AB 250 4.9 96
Show 21215+5434 ROE 91 AC 187 47.5 96
Show 21215+5434 ROE 91 AD 275 74.4 96
Show 21215+5434 ROE 91 AE 256 82.1 96
Show 21200+5436 TDT2908 Aa,Ab 295 0.3 97
Show 21200+5436 SKF1978 AB 298 31.8 97
Show 21092+5220 COU2694 249 1.1 106
Show 21315+5237 ARY 88 AB 11 46.3 107

 
 
WDS 21200+5259 : COMPONENTS
 
 
  A B
B pa=125.4°
sep=4.68"
 
C pa=174.6°
sep=132.08"
pa=176.2°
sep=129.07"
 
 
21200+5259 A
 
 
Name HD 203380 Coord arcsec 2000 211958.84+525844.1 Mag 7.71 Spectral class F8V (yellow-white)
PmRA 10.00 PmDE 60.0 SAO 33334 Tycho2 3953-01414-1
HD 203380 GC 29876 DM BD+52 2916
Tycho2
Tycho2 3953-01414-1 Pflag RAmdeg 319.99522007 DEmdeg 52.97894386
PmRA 3.3 PmDE 58.8 E RAmdeg 6 E DEmdeg 6
E pmRA 1.0 E pmDE 1.1 EpRAm 1991.04 EpDEm 1991.29
Num 10 Q RAmdeg 1.3 Q DEmdeg 1.2 Q pmRA 1.5
Q pmDE 1.2 BTmag 8.346 E BTmag 0.017 VTmag 7.708
E VTmag 0.012 Prox 67 TYC T HIP
CCDM RAdeg 319.99520722 DEdeg 52.97880889 EpRA 1990 1.53
EpDE 1990 1.73 E RAdeg 6.2 E DEdeg 5.6 Posflg
Corr -0.3
SAO
SAO 33334 DelFlag RA1950 PmRA1950 -0.0004
DE1950 PmDE1950 0.065 Vmag 7.7 SpType G5
Double code Source 70 CatNum 29876 DM BD+52 2916
DMcomp BDsup HD 203380 M HD 0
GC 29876 RA1950rad 5.57792353 DE1950rad 0.92093317 PmRA2000 -0.0001
PmDE2000 0.062
 
 
21200+5259 B
 
 
Coord arcsec 2000 211959.26+525841.4 Mag 7.87 PmRA 9.00 PmDE 56.0
Tycho2 3953-01275-1 Calc delta mag 0.16 Calc coord yes
Tycho2
Tycho2 3953-01275-1 Pflag RAmdeg 319.99804473 DEmdeg 52.97816105
PmRA 7.0 PmDE 53.6 E RAmdeg 7 E DEmdeg 7
E pmRA 1.5 E pmDE 1.5 EpRAm 1991.36 EpDEm 1991.52
Num 4 Q RAmdeg 0.7 Q DEmdeg 2.1 Q pmRA 0.7
Q pmDE 2.3 BTmag 8.796 E BTmag 0.019 VTmag 7.868
E VTmag 0.012 Prox 67 TYC T HIP
CCDM RAdeg 319.99801750 DEdeg 52.97803806 EpRA 1990 1.60
EpDE 1990 1.74 E RAdeg 6.6 E DEdeg 6.6 Posflg
Corr -0.2
 
 
21200+5259 C
 
 
Coord arcsec 2000 212000.21+525632.6 Mag 12.53 PmRA 4.00 PmDE -1.0
Calc delta mag 4.82 Calc coord yes