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Current system
20157+4339
STF 2659 AB,C
HD 192911


Nearby doubles
9' : 20165+4339
ES 1439

13' : 20167+4335
FOX 251

15' : 20169+4337
FOX 252

27' : 20137+4323
BU 660AB

32' : 20159+4307
BRT2257

32' : 20179+4319
ES 1440

34' : 20187+4329
TDT2158

43' : 20159+4257
ROE 42

44' : 20190+4316
WFC 231

46' : 20121+4402
BRT2256

51' : 20151+4249
A 388

53' : 20195+4307
TDS1059

54' : 20205+4351
BU 1207AB

54' : 20161+4432
BRT2258

59' : 20211+4341
A 46AB

60' : 20166+4437
TDT2135

61' : 20212+4335
HJ 1505

61' : 20210+4320
TDT2198

62' : 20130+4433
A 723

62' : 20102+4357
STT 400

62' : 20105+4316
ROE 41

66' : 20188+4244
HO 124

66' : 20158+4233
ES 1567

70' : 20093+4353
ES 1438

74' : 20224+4332
TDT2215

76' : 20156+4454
TDT2125



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

20157+4339 STF 2659 AB,C (HD 192911)

 
 
20h 15m 40.26s +43° 38' 59.6" P.A. 311.00 sep 2.7 mag 8.61,10.82 Sp F5 dist. 255.75 pc (834.26 l.y.)
 
 
Coord 2000 20157+4339 Discov num STF2659 Comp AB,C Coord arcsec 2000 20 15 40.26 +43 38 59.6
Date first 1828 Date last 2019 Obs 36
Pa first 309 Pa last 311 P.A. Now (θ) 311°
Sep first 2.5 Sep last 2.694 Sep. Now (ρ) 2.694"
Mag pri 8.61 Mag sec 10.82 delta mag (ΔM) 2.21 Spectral class F5 (yellow-white)
Pri motion ra +013 Sec motion ra
Pri motion dec -012 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
20157+4339 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 49388 20 15 40 +43 38 60 A 2095 AB 2012 24 333 0.2 9.06 9.82 0.76 Y
Show HD 192911 49388 20 15 40 +43 38 60 STF 2659 AB,C 2019 36 311 2.7 8.61 10.82 2.21 <===
Show 49388 20 15 40 +43 38 60 STF 2659 AB,D 2019 27 251 20.5 8.61 9.83 1.22
Show 20 15 39 +43 38 54 FOX 39 DE 2016 6 135 1.4 9.83 13.10 3.27
Show 20 15 39 +43 38 54 A 2095 DF 2015 13 48 7.6 9.83 13.80 3.97
Sextuple system
7 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 192911 Constellation Cygnus SAO 49388 HIP 99862
Tycho2 3163-01043-1 Gaia DR2 2080915335711861760 HD 192911 BD BD+43 3543
Distance 255.75 Distance ly 834.26
 
 
WDS 20157+4339 STF 2659 AB,C (HD 192911) : NOTES
 
 
discov_num notes refcode
A 2095 Variability of one component has been suspected.
Ling (2004) derived an orbital parallax 0".01636 Lin2004a
AB,C: Also known as SCA 182. Sca2018b
 
 
REFERENCES
 
 
refcode metd author reference
Lin2004a orb - Ling, J.F. 2004AJ....153..545L
Lin2004a AJ 153, 545, 2004
Lin2004a (all orbits also published in Inf. Circs. 1999-2003)
Sca2018b S j Scardia, M. 2018IAUDS.195....8S
Sca2018b Inf. Circ. 195, 8, 2018 .
 
 
DISCOVERER
 
 
idgroup discov author
1 A Aitken, R.G.
312 FOX Fox, P.
323 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20157+4339 STF2659 AB,C 2009 29 314 3.0 8.61 10.82 N 201540.26+433859.6
20157+4339 STF2659 AB,C 2016 32 313 3.0 8.61 10.82 F5 N 201540.26+433859.6
20157+4339 STF2659 AB,C 2017 33 314 3.1 8.61 10.82 F5 N 201540.26+433859.6
20157+4339 STF2659 AB,C 2019 34 312 2.7 8.61 10.82 F5 N 201540.26+433859.6

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

 
 
WDS 20157+4339 STF 2659 AB,C (HD 192911) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20157+4339 STF 2659 AB,C (HD 192911) : MEASURES
 
 
No records found.

 
 
WDS 20157+4339 (HD 192911) : VIRTUAL EYEPIECE
 
 

20157+4339 A 2095A mag 9.06 Sp F5 20157+4339 A 2095B sep 0.2 P.A. 339.50 mag 9.82 20157+4339 STF2659C sep 2.3 P.A. 320.20 mag 10.82 20157+4339 FOX 39D sep 19.6 P.A. 253.40 mag 9.83 20157+4339 FOX 39E sep 19.2 P.A. 249.90 mag 13.1 20157+4339 A 2095F sep 14.7 P.A. 268.10 mag 13.8 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 20157+4339 (HD 192911) : ALADIN DSS IMAGE @ 20h 15m 40.26s +43° 38' 59.6"
 
 
 
 
WDS 20157+4339 STF 2659 AB,C (HD 192911) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20157+4339 STF2659AB,C distance=0' 20157+4339 FOX 39DE distance=1' 20157+4339 A 2095DF distance=1' 20165+4339 ES 1439 distance=9' 20167+4335 FOX 251 distance=13' 20169+4337 FOX 252 distance=15' 20137+4323 BU 660AB distance=27' 20137+4323 BU 660AC distance=27' 20137+4323 FOX 250AD distance=27' 20159+4307 BRT2257 distance=32' 20179+4319 ES 1440 distance=32' 20187+4329 TDT2158 distance=34' 20159+4257 ROE 42 distance=43' 20190+4316 WFC 231 distance=44' 20121+4402 BRT2256 distance=46' 20151+4249 A 388 distance=51' 20195+4307 TDS1059 distance=53' 20205+4351 BU 1207AB distance=54' 20205+4351 TRN 29AC distance=54' 20205+4351 IOT 2Aa,Ab distance=54' 20161+4432 BRT2258 distance=54' 20211+4341 A 46AB distance=59' 20211+4341 A 46AB,C distance=59' 20166+4437 TDT2135 distance=60' 20212+4335 HJ 1505 distance=61' 20210+4320 TDT2198 distance=61' 20130+4433 A 723 distance=62' 20102+4357 STT 400 distance=62' 20105+4316 ROE 41 distance=62' 20188+4244 HO 124 distance=66' 20158+4233 ES 1567 distance=66' 20093+4353 ES 1438 distance=70' 20224+4332 TDT2215 distance=74' 20156+4454 TDT2125 distance=76' 20088+4355 TDT2018 distance=76' 20219+4257 BRT2262 distance=80' 20189+4227 HJ 1503 distance=80' 20210+4437 A 725 distance=81' 20114+4232 ES 1566 distance=82' 20229+4311 L 34 distance=84' 20142+4216 TDT2110 distance=85' 20079+4330 STJ 94 distance=85' 20231+4405 TDT2227 distance=85' 20090+4252 OSO 118AB distance=87' 20090+4252 OSO 118AC distance=87' 20077+4349 TDT2001 distance=87' 20229+4259 HO 128AB distance=89' 20229+4259 STTA207AC distance=89' 20104+4447 TDT2046 distance=89' 20133+4214 COU2638 distance=90' 20229+4259 STTA207CD distance=90' 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 20157+4339 A 2095 AB 333 0.2
Show 20157+4339 STF2659 AB,C 311 2.7
Show 20157+4339 STF2659 AB,D 251 20.5
Show 20157+4339 FOX 39 DE 135 1.4 1
Show 20157+4339 A 2095 DF 48 7.6 1
Show 20165+4339 ES 1439 30 1.7 9
Show 20167+4335 FOX 251 279 5.5 13
Show 20169+4337 FOX 252 246 18.6 15
Show 20137+4323 BU 660 AB 318 8.7 27
Show 20137+4323 BU 660 AC 190 58.2 27
Show 20137+4323 FOX 250 AD 279 31.5 27
Show 20159+4307 BRT2257 101 3.4 32
Show 20179+4319 ES 1440 256 2.6 32
Show 20187+4329 TDT2158 164 1.8 34
Show 20159+4257 ROE 42 91 6.1 43
Show 20190+4316 WFC 231 331 7.4 44
Show 20121+4402 BRT2256 26 3.3 46
Show 20151+4249 A 388 36 0.7 51
Show 20195+4307 TDS1059 117 0.9 53
Show 20205+4351 BU 1207 AB 211 4.8 54
Show 20205+4351 TRN 29 AC 202 2.3 54
Show 20205+4351 IOT 2 Aa,Ab 152 0.0 54
Show 20161+4432 BRT2258 6 2.8 54
Show 20211+4341 A 46 AB 77 0.4 59
Show 20211+4341 A 46 AB,C 265 2.0 59
Show 20166+4437 TDT2135 38 0.9 60
Show 20212+4335 HJ 1505 111 16.7 61
Show 20210+4320 TDT2198 3 1.8 61
Show 20130+4433 A 723 169 0.4 62
Show 20102+4357 STT 400 329 0.7 62
Show 20105+4316 ROE 41 338 6.0 62
Show 20188+4244 HO 124 357 0.9 66
Show 20158+4233 ES 1567 182 2.4 66
Show 20093+4353 ES 1438 42 5.0 70
Show 20224+4332 TDT2215 91 0.9 74
Show 20156+4454 TDT2125 257 2.3 76
Show 20088+4355 TDT2018 121 1.3 76
Show 20219+4257 BRT2262 129 2.5 80
Show 20189+4227 HJ 1503 73 16.9 80
Show 20210+4437 A 725 25 0.9 81
Show 20114+4232 ES 1566 352 6.0 82
Show 20229+4311 L 34 174 4.5 84
Show 20142+4216 TDT2110 178 4.5 85
Show 20079+4330 STJ 94 162 1.2 85
Show 20231+4405 TDT2227 172 0.5 85
Show 20090+4252 OSO 118 AB 150 12.2 87
Show 20090+4252 OSO 118 AC 237 21.2 87
Show 20077+4349 TDT2001 327 0.5 87
Show 20229+4259 HO 128 AB 357 1.4 89
Show 20229+4259 STTA207 AC 65 85.8 89
Show 20104+4447 TDT2046 111 0.9 89

 
 
WDS 20157+4339 : COMPONENTS
 
 
  A B C D E
B pa=339.5°
sep=0.23"
 
C pa=320.2°
sep=2.30"
pa=318.2°
sep=2.09"
 
D pa=253.4°
sep=19.59"
pa=252.7°
sep=19.58"
pa=246.9°
sep=18.81"
 
E pa=249.9°
sep=19.22"
pa=249.2°
sep=19.22"
pa=243.2°
sep=18.57"
pa=143.9°
sep=1.24"
 
F pa=268.1°
sep=14.69"
pa=267.3°
sep=14.62"
pa=260.3°
sep=13.40"
pa=38.7°
sep=6.56"
pa=28.9°
sep=6.98"
 
 
20157+4339 A
 
 
Coord arcsec 2000 201540.26+433859.6 Mag 9.06 Spectral class F5 (yellow-white) PmRA 13.00
PmDE -12.0 SAO 49388 HIP 99862 Tycho2 3163-01043-1
HD 192911 GC 28164 BD BD+43 3543
Tycho2
Tycho2 3163-01043-1 Pflag X RAmdeg DEmdeg
PmRA PmDE E RAmdeg E DEmdeg
E pmRA E pmDE EpRAm EpDEm
Num Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 8.974 E BTmag 0.018 VTmag 8.613
E VTmag 0.014 Prox 31 TYC T HIP 99862
CCDM RAdeg 303.91774278 DEdeg 43.64988500 EpRA 1990 1.66
EpDE 1990 1.65 E RAdeg 7.1 E DEdeg 7.3 Posflg D
Corr 0.0
SAO
SAO 49388 DelFlag RA1950 PmRA1950 0.0013
DE1950 PmDE1950 -0.009 Vmag 8.1 SpType F5
Double code Source 70 CatNum 28164 DM BD+43 3543
DMcomp BDsup HD 192911 M HD 0
GC 28164 RA1950rad 5.29703438 DE1950rad 0.75914152 PmRA2000 0.0017
PmDE2000 -0.011
Hipparcos
Catalog H HIP 99862 Proxy T RAhms 20 15 40.26
DEdms +43 38 59.6 Vmag 8.36 VarFlag R Vmag H
RAdeg 303.918 DEdeg 43.6499 AstroRef Plx -2.35
CCDM 20157+4339 N CCDM I Nsys 2 Ncomp 1
MultFlag X Source Qual S M HIP
Theta Rho HD 192911 BD BD+43 3543
CD CP Dm number +43 3543 VIred 0.4
SpType F5 R SpType Coord arcsec 2000 201540.26+433859.6
Hipparcos 2
HIP 99862 Sn 1 So 2 Nc 1
RArad 5.3043651214 DErad 0.7618342717 Plx -3.91 PmRA 7.51
PmDE -5.2 E RArad 2.89 E DErad 2.93 E Plx 3.63
E pmRA 3.24 E pmDE 3.16 Hpmag 8.4467 E Hpmag 0.0039
SHp 0.036 VA 0 BV 0.392 E BV 0.4
VI 0.4
CCDM
Ccdm 20157+4339 RComp Comp A Note1
Note2 Discov num DRAs -1.57 DDEs -0.2
R dRAs 10 Year Theta Rho
Obs 6 Vmag 8.9 Sp F5 PmNote *
PmRA 13 PmDE -8 Dm number +43 3543 Cat1 BD
Name2 49388 Cat2 SAO HD 192911 M HD
ADS BDS A13611 M ADS BDS N IDS IDS 20123N4321A
HIC 99862
 
 
20157+4339 B
 
 
Coord arcsec 2000 201540.25+433859.8 Mag 9.82 Calc delta mag 0.76 Calc coord yes
CCDM
Ccdm 20157+4339 RComp Comp B Note1
Note2 Discov num A 2095 DRAs DDEs
R dRAs Year 1954 Theta 258 Rho 0.2
Obs 9 Vmag 8.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13611 M ADS BDS N N IDS IDS 20123N4321B
HIC 99862
 
 
20157+4339 C
 
 
Coord arcsec 2000 201540.12+433901.4 Mag 10.82 Calc delta mag 1.76 Calc coord yes
CCDM
Ccdm 20157+4339 RComp Comp C Note1
Note2 Discov num STF2659 DRAs DDEs
R dRAs Year 1831 Theta 316 Rho 3.0
Obs 14 Vmag 10.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13611 M ADS BDS N IDS IDS 20123N4321C
HIC 99862
 
 
20157+4339 D
 
 
Coord arcsec 2000 201538.53+433854.0 Coord calc 201538.53+433854.0 Mag 9.83 PmRA -24.00
PmDE -22.0 HIP 99861 Calc delta mag 0.77
Hipparcos
Catalog H HIP 99861 Proxy RAhms 20 15 38.53
DEdms +43 38 54.0 Vmag 9.53 VarFlag R Vmag H
RAdeg DEdeg AstroRef Plx
CCDM 20157+4339 N CCDM I Nsys 2 Ncomp
MultFlag Source Qual S M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.73
SpType R SpType Coord arcsec 2000 201538.53+433854.0
CCDM
Ccdm 20157+4339 RComp Comp D Note1
Note2 Discov num STF2659 DRAs DDEs
R dRAs Year 1831 Theta 253 Rho 20.5
Obs 12 Vmag 9.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13611 M ADS BDS N IDS IDS 20123N4321D
HIC 99861
 
 
20157+4339 E
 
 
Coord arcsec 2000 201538.60+433853.0 Mag 13.1 Calc delta mag 4.04 Calc coord yes
CCDM
Ccdm 20157+4339 RComp D Comp E Note1
Note2 Discov num FOX 39 DRAs DDEs
R dRAs Year 1915 Theta 133 Rho 1.3
Obs 4 Vmag 12.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13611 M ADS BDS N IDS IDS 20123N4321E
HIC 99861
 
 
20157+4339 F
 
 
Coord arcsec 2000 201538.91+433859.1 Mag 13.8 PmRA 7.00 PmDE 8.0
Calc delta mag 4.74 Calc coord yes
CCDM
Ccdm 20157+4339 RComp D Comp F Note1
Note2 Discov num A 2095 DRAs DDEs
R dRAs Year 1954 Theta 054 Rho 6.2
Obs 6 Vmag 13.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13611 M ADS BDS N IDS IDS 20123N4321F
HIC 99861