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Current system
20335+0527
STF 2696 AC


Nearby doubles
7' : 20331+0525
TDT2364

23' : 20348+0514
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29' : 20316+0530
A 395

37' : 20327+0453
J 2314AB

37' : 20312+0513
AG 257

39' : 20358+0508
BAL2968

49' : 20352+0608
HWE 98

52' : 20346+0615
UC 4218

52' : 20315+0444
BAL2966

54' : 20340+0433
A 2282

57' : 20311+0444
UC 4205

62' : 20295+0514
UC 4199

63' : 20370+0452
SMA 118

63' : 20367+0447
CBL 528

63' : 20324+0426
A 2281

72' : 20309+0626
DAE 10AB

76' : 20382+0459
BAL2970

80' : 20388+0512
GWP2976

81' : 20329+0647
UC 4213

85' : 20360+0411
J 2192

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BU 1208

90' : 20285+0443
J 3220

91' : 20327+0656
HDS2934

96' : 20309+0400
BAL2538

96' : 20396+0458
KUI 99AB

98' : 20386+0628
KPP 806



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

20335+0527 STF 2696 AC

 
 
20h 33m 31.54s +05° 26' 31.9" P.A. 348.00 sep 13.7 mag 7.93,13.74 Sp A2V
 
 
Coord 2000 20335+0527 Discov num STF2696 Comp AC Coord arcsec 2000 20 33 31.54 +05 26 31.9
Date first 1880 Date last 2014 Obs 8
Pa first 340 Pa last 347.7 P.A. Now (θ) 347.7°
Sep first 15.0 Sep last 13.673 Sep. Now (ρ) 13.673"
Mag pri 7.93 Mag sec 13.74 delta mag (ΔM) 5.81 Spectral class A2V (white)
Pri motion ra +010 Sec motion ra -026
Pri motion dec -020 Sec motion dec +156
Notes
rPM=1.136
This double is not physical.
 
 
20335+0527 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 195823 125945 20 33 32 +05 26 32 STF 2696 AB 2017 94 298 0.5 7.93 8.71 0.78
Show 125945 20 33 32 +05 26 32 STF 2696 AC 2014 8 348 13.7 7.93 13.74 5.81 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus SAO 125945 Tycho2 0518-01727-1 Gaia DR2 4245690071061623296
HD 195823
 
 
WDS 20335+0527 STF 2696 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
20335+0527 STF2696 AC 2006 4 348 13.5 7.93 13.90 A2V D 203331.54+052631.9
20335+0527 STF2696 AC 2010 6 348 13.5 7.93 13.74 A2V 203331.54+052631.9
20335+0527 STF2696 AC 2014 8 348 13.7 7.93 13.74 A2V 203331.54+052631.9

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

 
 
WDS 20335+0527 STF 2696 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20335+0527 STF 2696 AC : MEASURES
 
 
No records found.

 
 
WDS 20335+0527 : VIRTUAL EYEPIECE
 
 

20335+0527 STF2696A mag 7.93 Sp A2V 20335+0527 STF2696B sep 0.5 P.A. 297.90 mag 8.71 20335+0527 STF2696C sep 13.7 P.A. 347.80 mag 13.74 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 20335+0527 : ALADIN DSS IMAGE @ 20h 33m 31.54s +05° 26' 31.9"
 
 
 
 
WDS 20335+0527 STF 2696 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20335+0527 STF2696AB distance=1' 20335+0527 STF2696AC distance=1' 20331+0525 TDT2364 distance=7' 20348+0514 SCJ 26 distance=23' 20316+0530 A 395 distance=29' 20327+0453 J 2314AB distance=37' 20327+0453 J 2314AC distance=37' 20312+0513 AG 257 distance=37' 20358+0508 BAL2968 distance=39' 20352+0608 HWE 98 distance=49' 20346+0615 UC 4218 distance=52' 20315+0444 BAL2966 distance=52' 20340+0433 A 2282 distance=54' 20311+0444 UC 4205 distance=57' 20295+0514 UC 4199 distance=62' 20370+0452 SMA 118 distance=63' 20367+0447 CBL 528 distance=63' 20324+0426 A 2281 distance=63' 20309+0626 DAE 10AB distance=72' 20309+0626 WSP 2AC distance=72' 20309+0626 WSP 2AD distance=72' 20309+0626 WSP 2AE distance=72' 20309+0626 WSP 2AF distance=72' 20382+0459 BAL2970 distance=76' 20388+0512 GWP2976 distance=80' 20329+0647 UC 4213 distance=81' 20360+0411 J 2192 distance=85' 20345+0653 BU 1208 distance=88' 20285+0443 J 3220 distance=90' 20327+0656 HDS2934 distance=91' 20309+0400 BAL2538 distance=96' 20396+0458 KUI 99AB distance=96' 20396+0458 BAG 14Aa,Ab distance=96' 20386+0628 KPP 806 distance=98' 20314+0701 J 3221 distance=99' 20271+0551 HJ 2963 distance=101' 20300+0655 LDS4845 distance=103' 20383+0408 BAL2541 distance=106' 20399+0620 RAO 617 distance=110' 20358+0711 LEP 170 distance=111' 20321+0330 J 2573 distance=119' 20264+0620 GWP2946 distance=119' 20286+0351 HJ 2967 distance=121' 20290+0710 A 610 distance=123' 20256+0604 UC 4177 distance=124' 20283+0351 BAL2533 distance=125' 20347+0321 CRC 38 distance=127' 20253+0453 KPP4195AB distance=128' 20373+0332 BAL2539 distance=128' 20294+0330 HJ 2970 distance=132' 20321+0737 UC 4206 distance=133' 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 20335+0527 STF2696 AB 298 0.5 1
Show 20335+0527 STF2696 AC 348 13.7 1
Show 20331+0525 TDT2364 126 1.9 7
Show 20348+0514 SCJ 26 88 25.1 23
Show 20316+0530 A 395 160 0.7 29
Show 20327+0453 J 2314 AB 70 4.9 37
Show 20327+0453 J 2314 AC 138 19.0 37
Show 20312+0513 AG 257 75 1.7 37
Show 20358+0508 BAL2968 10 13.9 39
Show 20352+0608 HWE 98 1 58.5 49
Show 20346+0615 UC 4218 315 75.8 52
Show 20315+0444 BAL2966 117 10.4 52
Show 20340+0433 A 2282 166 0.2 54
Show 20311+0444 UC 4205 254 48.5 57
Show 20295+0514 UC 4199 240 54.1 62
Show 20370+0452 SMA 118 125 19.1 63
Show 20367+0447 CBL 528 234 20.5 63
Show 20324+0426 A 2281 63 1.9 63
Show 20309+0626 DAE 10 AB 103 0.7 72
Show 20309+0626 WSP 2 AC 114 11.6 72
Show 20309+0626 WSP 2 AD 183 13.6 72
Show 20309+0626 WSP 2 AE 16 18.5 72
Show 20309+0626 WSP 2 AF 176 19.8 72
Show 20382+0459 BAL2970 35 12.5 76
Show 20388+0512 GWP2976 324 6.5 80
Show 20329+0647 UC 4213 204 9.0 81
Show 20360+0411 J 2192 18 4.8 85
Show 20345+0653 BU 1208 332 3.1 88
Show 20285+0443 J 3220 181 3.9 90
Show 20327+0656 HDS2934 75 1.2 91
Show 20309+0400 BAL2538 202 10.8 96
Show 20396+0458 KUI 99 AB 111 0.3 96
Show 20396+0458 BAG 14 Aa,Ab 49 0.2 96
Show 20386+0628 KPP 806 87 7.0 98
Show 20314+0701 J 3221 167 3.9 99
Show 20271+0551 HJ 2963 209 9.5 101
Show 20300+0655 LDS4845 27 83.4 103
Show 20383+0408 BAL2541 78 15.1 106
Show 20399+0620 RAO 617 334 2.5 110
Show 20358+0711 LEP 170 297 4.2 111
Show 20321+0330 J 2573 151 4.0 119
Show 20264+0620 GWP2946 30 25.6 119
Show 20286+0351 HJ 2967 131 7.1 121
Show 20290+0710 A 610 99 0.6 123
Show 20256+0604 UC 4177 278 14.3 124
Show 20283+0351 BAL2533 256 19.0 125
Show 20347+0321 CRC 38 300 10.5 127
Show 20253+0453 KPP4195 AB 16 11.7 128
Show 20373+0332 BAL2539 77 130.2 128
Show 20294+0330 HJ 2970 180 12.0 132
Show 20321+0737 UC 4206 33 73.1 133

 
 
WDS 20335+0527 : COMPONENTS
 
 
  A B
B pa=297.9°
sep=0.53"
 
C pa=347.8°
sep=13.67"
pa=349.5°
sep=13.33"
 
 
20335+0527 A
 
 
Name HD 195823 Coord arcsec 2000 203331.54+052631.9 Mag 7.93 Spectral class A2V (white)
PmRA 10.00 PmDE -21.0 SAO 125945 Tycho2 0518-01727-1
HD 195823 GC 28600 DM BD+04 4484
Tycho2
Tycho2 0518-01727-1 Pflag RAmdeg 308.38142711 DEmdeg 5.44219838
PmRA 9.7 PmDE -20.9 E RAmdeg 5 E DEmdeg 6
E pmRA 1.4 E pmDE 1.4 EpRAm 1991.37 EpDEm 1990.97
Num 11 Q RAmdeg 1.0 Q DEmdeg 1.3 Q pmRA 1.0
Q pmDE 1.4 BTmag 7.796 E BTmag 0.016 VTmag 7.595
E VTmag 0.012 Prox 999 TYC T HIP
CCDM RAdeg 308.38140444 DEdeg 5.44224833 EpRA 1990 1.68
EpDE 1990 1.36 E RAdeg 4.8 E DEdeg 5.7 Posflg P
Corr -0.1
SAO
SAO 125945 DelFlag RA1950 PmRA1950 0.0006
DE1950 PmDE1950 -0.001 Vmag 7.7 SpType A2
Double code Source 70 CatNum 28600 DM BD+04 4484
DMcomp BDsup HD 195823 M HD 0
GC 28600 RA1950rad 5.37144366 DE1950rad 0.09199806 PmRA2000 0.0008
PmDE2000 -0.004
CCDM
Ccdm 20335+0527 RComp Comp A Note1
Note2 Discov num DRAs 1.55 DDEs -27.9
R dRAs 10 Year Theta Rho
Obs 3 Vmag 8.3 Sp A2 PmNote *
PmRA 9 PmDE -8 Dm number +04 4484 Cat1 BD
Name2 +05 2990 Cat2 AGK2/3 HD 195823 M HD
ADS BDS A13997 M ADS BDS N IDS IDS 20286N0506A
HIC
 
 
20335+0527 B
 
 
Coord arcsec 2000 203331.51+052632.1 Mag 8.71 PmRA 10.00 PmDE -21.0
Calc delta mag 0.78 Calc coord yes
CCDM
Ccdm 20335+0527 RComp Comp B Note1
Note2 Discov num STF2696 DRAs DDEs
R dRAs Year 1831 Theta 302 Rho 0.8
Obs 31 Vmag 8.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13997 M ADS BDS N IDS IDS 20286N0506B
HIC
 
 
20335+0527 C
 
 
Coord arcsec 2000 203331.35+052645.3 Mag 13.74 PmRA -26.00 PmDE 156.0
Calc delta mag 5.81 Calc coord yes
CCDM
Ccdm 20335+0527 RComp Comp C Note1
Note2 Discov num STF2696 DRAs DDEs
R dRAs Year 1901 Theta 349 Rho 13.8
Obs 1 Vmag 13.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13997 M ADS BDS N IDS IDS 20286N0506C
HIC