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Doubles in session


Current system
20188+4244
HO 124
HD 193486


Nearby doubles
17' : 20189+4227
HJ 1503

25' : 20195+4307
TDS1059

33' : 20190+4316
WFC 231

35' : 20158+4233
ES 1567

35' : 20159+4257
ROE 42

37' : 20219+4257
BRT2262

37' : 20179+4319
ES 1440

41' : 20159+4307
BRT2257

42' : 20151+4249
A 388

44' : 20210+4320
TDT2198

45' : 20229+4243
A 289AB

46' : 20187+4329
TDT2158

48' : 20229+4259
HO 128AB

52' : 20168+4158
ES 1568AB

53' : 20229+4311
L 34

54' : 20197+4151
MMA 3

56' : 20213+4155
TDT2201

56' : 20167+4335
FOX 251

57' : 20169+4337
FOX 252

58' : 20212+4335
HJ 1505

59' : 20142+4216
TDT2110

61' : 20165+4339
ES 1439

62' : 20224+4332
TDT2215

62' : 20211+4341
A 46AB

63' : 20144+4206
STT 403AB

66' : 20157+4339
A 2095AB



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

20188+4244 HO 124 (HD 193486)

 
 
20h 18m 50.63s +42° 43' 49.3" P.A. 357.00 sep 0.9 mag 9.05,9.94 Sp A
 
 
Coord 2000 20188+4244 Discov num HO  124 Comp Coord arcsec 2000 20 18 50.63 +42 43 49.3
Date first 1886 Date last 2010 Obs 16
Pa first 1 Pa last 356.5 P.A. Now (θ) 356.5°
Sep first 0.8 Sep last 0.922 Sep. Now (ρ) 0.922"
Mag pri 9.05 Mag sec 9.94 delta mag (ΔM) 0.89 Spectral class A (white)
Pri motion ra +004 Sec motion ra +004
Pri motion dec -006 Sec motion dec -006
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 193486 Constellation Cygnus SAO 49457 Tycho2 3159-00089-1
Gaia DR2 2068799301683843072 HD 193486
 
 
WDS 20188+4244 HO 124 (HD 193486) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ho_1883 Ma j Hough, G.W. 1883MNRAS..43..371H
Ho_1883 MNRAS 43, 371, 1883 (data also in Ho_1890) 1890AN....125....1H
Ho_1884 Ma j Hough, G.W. 1884MNRAS..44..365H
Ho_1884 MNRAS 44, 365, 1884 (data also in Ho_1890) 1890AN....125....1H
Ho_1885 Ma j Hough, G.W. 1885MNRAS..45..417H
Ho_1885 MNRAS 45, 417, 1885 (data also in Ho_1890) 1890AN....125....1H
Ho_1886 Ma j Hough, G.W. 1886MNRAS..46..393H
Ho_1886 MNRAS 46, 393, 1886 (data also in Ho_1890) 1890AN....125....1H
Ho_1887 Ma j Hough, G.W. 1887AN....116..273H
Ho_1887 AN 116, 273, 1887
Ho_1890 Ma j Hough, G.W. 1890AN....125....1H
Ho_1890 AN 125, 1, 1890
Ho_1890b Ma j Hough, G.W. 1890AJ......9..177H
Ho_1890b AJ 9, 177, 1890 (some data also in Ho_1890 or Ho_1894b) 1890AN....125....1H
Ho_1894a Ma - Hough, G.W. 1894MNRAS..54..251H
Ho_1894a MNRAS 54, 251, 1894
Ho_1894b Ma j Hough, G.W. (HO 304 - 490) 1894AN....135..281H
Ho_1894b AN 135, 281, 1894
Ho_1894c Ma - Hough, G.W. (measure by Dembowski, H.) 1894AN....135..281H
Ho_1894c AN 135, 281, 1894
Ho_1899a Ma j Hough, G.W. 1899AN....149..65H
Ho_1899a AN 149, 65, 1899
Ho_1899b Ma - Hough, G.W. (measure by Burnham, S.W.) 1899AN....149..65H
Ho_1899b AN 149, 65, 1899
Ho_1907 Ma - Hough, G.W. 1907PFAO....3c...1D
Ho_1907 Pub. Univ. Penn. 3, Pt. 3, 1907 (measures sent to Doolittle)
Ho_1932A Ma - Hough, G.W. 1932QB821.A43......
Ho_1932A cited in ADS, 1932 (unpublished measures sent to Aitken in manuscript by Fox)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20188+4244 HO 124 2005 14 359 0.9 9.05 9.94 A 201850.63+424349.3
20188+4244 HO 124 2010 15 357 0.9 9.05 9.94 A 201850.63+424349.3

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

 
 
WDS 20188+4244 HO 124 (HD 193486) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20188+4244 HO 124 (HD 193486) : MEASURES
 
 
No records found.

 
 
WDS 20188+4244 (HD 193486) : VIRTUAL EYEPIECE
 
 

20188+4244 HO 124A mag 9.05 Sp A 20188+4244 HO 124B sep 0.9 P.A. 357.40 mag 9.94 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20188+4244 (HD 193486) : ALADIN DSS IMAGE @ 20h 18m 50.63s +42° 43' 49.3"
 
 
 
 
WDS 20188+4244 HO 124 (HD 193486) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20188+4244 HO 124 distance=0' 20189+4227 HJ 1503 distance=17' 20195+4307 TDS1059 distance=25' 20190+4316 WFC 231 distance=33' 20158+4233 ES 1567 distance=35' 20159+4257 ROE 42 distance=35' 20219+4257 BRT2262 distance=37' 20179+4319 ES 1440 distance=37' 20159+4307 BRT2257 distance=41' 20151+4249 A 388 distance=42' 20210+4320 TDT2198 distance=44' 20229+4243 A 289AB distance=45' 20229+4243 A 289AC distance=45' 20187+4329 TDT2158 distance=46' 20229+4259 HO 128AB distance=48' 20229+4259 STTA207AC distance=48' 20229+4259 STTA207CD distance=49' 20168+4158 ES 1568BC distance=52' 20168+4158 ES 1568AB distance=52' 20229+4311 L 34 distance=53' 20197+4151 MMA 3 distance=54' 20213+4155 TDT2201 distance=56' 20167+4335 FOX 251 distance=56' 20169+4337 FOX 252 distance=57' 20212+4335 HJ 1505 distance=58' 20142+4216 TDT2110 distance=59' 20165+4339 ES 1439 distance=61' 20224+4332 TDT2215 distance=62' 20211+4341 A 46AB distance=62' 20211+4341 A 46AB,C distance=62' 20144+4206 STT 403AB distance=63' 20144+4206 STF2657AC distance=63' 20157+4339 A 2095AB distance=66' 20157+4339 STF2659AB,C distance=66' 20157+4339 STF2659AB,D distance=66' 20157+4339 FOX 39DE distance=66' 20157+4339 A 2095DF distance=66' 20133+4214 COU2638 distance=69' 20186+4136 ES 1675 distance=69' 20137+4323 BU 660AB distance=69' 20137+4323 BU 660AC distance=69' 20137+4323 FOX 250AD distance=69' 20248+4223 ES 1678 distance=69' 20205+4351 BU 1207AB distance=70' 20205+4351 TRN 29AC distance=70' 20205+4351 IOT 2Aa,Ab distance=70' 20251+4220 TDT2252 distance=74' 20171+4127 ARN 97 distance=80' 20238+4146 COU2641 distance=80' 20212+4128 A 287 distance=81' 20185+4123 TDT2154 distance=81' 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 20188+4244 HO 124 357 0.9
Show 20189+4227 HJ 1503 73 16.9 17
Show 20195+4307 TDS1059 117 0.9 25
Show 20190+4316 WFC 231 331 7.4 33
Show 20158+4233 ES 1567 182 2.4 35
Show 20159+4257 ROE 42 91 6.1 35
Show 20219+4257 BRT2262 129 2.5 37
Show 20179+4319 ES 1440 256 2.6 37
Show 20159+4307 BRT2257 101 3.4 41
Show 20151+4249 A 388 36 0.7 42
Show 20210+4320 TDT2198 3 1.8 44
Show 20229+4243 A 289 AB 154 3.9 45
Show 20229+4243 A 289 AC 351 70.5 45
Show 20187+4329 TDT2158 164 1.8 46
Show 20229+4259 HO 128 AB 357 1.4 48
Show 20229+4259 STTA207 AC 65 85.8 48
Show 20229+4259 STTA207 CD 162 56.1 49
Show 20168+4158 ES 1568 BC 187 2.3 52
Show 20168+4158 ES 1568 AB 292 12.8 52
Show 20229+4311 L 34 174 4.5 53
Show 20197+4151 MMA 3 105 11.0 54
Show 20213+4155 TDT2201 359 0.6 56
Show 20167+4335 FOX 251 279 5.5 56
Show 20169+4337 FOX 252 246 18.6 57
Show 20212+4335 HJ 1505 111 16.7 58
Show 20142+4216 TDT2110 178 4.5 59
Show 20165+4339 ES 1439 30 1.7 61
Show 20224+4332 TDT2215 91 0.9 62
Show 20211+4341 A 46 AB 77 0.4 62
Show 20211+4341 A 46 AB,C 265 2.0 62
Show 20144+4206 STT 403 AB 170 0.9 63
Show 20144+4206 STF2657 AC 32 11.6 63
Show 20157+4339 A 2095 AB 333 0.2 66
Show 20157+4339 STF2659 AB,C 311 2.7 66
Show 20157+4339 STF2659 AB,D 251 20.5 66
Show 20157+4339 FOX 39 DE 135 1.4 66
Show 20157+4339 A 2095 DF 48 7.6 66
Show 20133+4214 COU2638 48 1.8 69
Show 20186+4136 ES 1675 324 2.2 69
Show 20137+4323 BU 660 AB 318 8.7 69
Show 20137+4323 BU 660 AC 190 58.2 69
Show 20137+4323 FOX 250 AD 279 31.5 69
Show 20248+4223 ES 1678 187 6.6 69
Show 20205+4351 BU 1207 AB 211 4.8 70
Show 20205+4351 TRN 29 AC 202 2.3 70
Show 20205+4351 IOT 2 Aa,Ab 152 0.0 70
Show 20251+4220 TDT2252 347 1.8 74
Show 20171+4127 ARN 97 220 12.8 80
Show 20238+4146 COU2641 279 1.0 80
Show 20212+4128 A 287 132 1.5 81
Show 20185+4123 TDT2154 311 0.5 81

 
 
WDS 20188+4244 : COMPONENTS
 
 
  A
B pa=357.4°
sep=0.92"
 
 
20188+4244 A
 
 
Componente originario normalizzato AB Name HD 193486 Coord arcsec 2000 201850.63+424349.3 Mag 9.05
Spectral class A (white) PmRA 4.00 PmDE -6.0 SAO 49457
Tycho2 3159-00089-1 HD 193486 DM BD+42 3685
Tycho2
Tycho2 3159-00089-1 Pflag P RAmdeg 304.71096897 DEmdeg 42.73035413
PmRA 4.1 PmDE -5.7 E RAmdeg 8 E DEmdeg 8
E pmRA 1.3 E pmDE 1.2 EpRAm 1991.21 EpDEm 1991.27
Num 6 Q RAmdeg 1.4 Q DEmdeg 1.2 Q pmRA 1.3
Q pmDE 1.2 BTmag 8.979 E BTmag 0.017 VTmag 9.051
E VTmag 0.017 Prox 9 TYC T HIP
CCDM RAdeg 304.71095861 DEdeg 42.73032139 EpRA 1990 1.66
EpDE 1990 1.80 E RAdeg 8.1 E DEdeg 7.5 Posflg D
Corr 0.1
SAO
SAO 49457 DelFlag RA1950 PmRA1950 -0.0024
DE1950 PmDE1950 -0.006 Vmag 8.7 SpType A
Double code Source 4 CatNum 1838 DM BD+42 3685
DMcomp BDsup HD 193486 M HD 0
GC RA1950rad 5.31071153 DE1950rad 0.74303356 PmRA2000 -0.0021
PmDE2000 -0.008
CCDM
Ccdm 20188+4244 RComp Comp A Note1
Note2 Discov num DRAs 2.55 DDEs -10.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.6 Sp A PmNote *
PmRA -10 PmDE 10 Dm number +42 3685 Cat1 BD
Name2 +42 1838 Cat2 AGK2/3 HD 193486 M HD
ADS BDS A13689 M ADS BDS N IDS IDS 20154N4225A
HIC
 
 
20188+4244 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201850.63+424350.2 Mag 9.94 PmRA 4.00
PmDE -6.0 Tycho2 3159-00089-2 Calc delta mag 0.89 Calc coord yes
Tycho2
Tycho2 3159-00089-2 Pflag P RAmdeg 304.71096897 DEmdeg 42.73035413
PmRA 4.1 PmDE -5.7 E RAmdeg 8 E DEmdeg 8
E pmRA 1.3 E pmDE 1.2 EpRAm 1991.21 EpDEm 1991.27
Num 6 Q RAmdeg 1.4 Q DEmdeg 1.2 Q pmRA 1.3
Q pmDE 1.2 BTmag 10.097 E BTmag 0.027 VTmag 9.942
E VTmag 0.030 Prox 9 TYC T HIP
CCDM RAdeg 304.71094583 DEdeg 42.73057667 EpRA 1990 1.67
EpDE 1990 1.80 E RAdeg 17.8 E DEdeg 15.9 Posflg D
Corr 0.1
CCDM
Ccdm 20188+4244 RComp Comp B Note1
Note2 Discov num HO 124 DRAs DDEs
R dRAs Year 1886 Theta 002 Rho 0.9
Obs 10 Vmag 11.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13689 M ADS BDS N IDS IDS 20154N4225B
HIC