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Doubles in session


Current system
20144+4206
STF 2657 AC


Nearby doubles
11' : 20142+4216
TDT2110

14' : 20133+4214
COU2638

29' : 20168+4158
ES 1568AB

32' : 20158+4233
ES 1567

41' : 20107+4208
COU2637

42' : 20114+4232
ES 1566

44' : 20151+4249
A 388

50' : 20151+4118
A 387AB

50' : 20171+4127
ARN 97

50' : 20099+4200
CVR 219

51' : 20143+4115
COU2639

54' : 20159+4257
ROE 42

55' : 20144+4112
TDT2112

55' : 20097+4149
TDT2037

55' : 20189+4227
HJ 1503

57' : 20186+4136
ES 1675

60' : 20111+4131
HJ 1491

61' : 20181+4122
ES 1674

62' : 20197+4151
MMA 3

63' : 20188+4244
HO 124

64' : 20185+4123
TDT2154

64' : 20097+4130
HDS2871

64' : 20159+4307
BRT2257

69' : 20082+4210
TDS1045

71' : 20080+4204
A 383

72' : 20138+4055
TDT2106



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.

20144+4206 STF 2657 AC

 
 
20h 14m 21.53s +42° 06' 15.6" P.A. 32.00 sep 11.6 mag 7.28,9.80 Sp B9IV-V dist. 581.4 pc (1896.53 l.y.)
 
 
Coord 2000 20144+4206 Discov num STF2657 Comp AC Coord arcsec 2000 20 14 21.53 +42 06 15.6
Date first 1828 Date last 2015 Obs 38
Pa first 33 Pa last 31.5 P.A. Now (θ) 31.5°
Sep first 9.0 Sep last 11.6 Sep. Now (ρ) 11.6"
Mag pri 7.28 Mag sec 9.80 delta mag (ΔM) 2.52 Spectral class B9IV-V (blue-white)
Pri motion ra +004 Sec motion ra +004
Pri motion dec -002 Sec motion dec -002
Notes
Nature of this double is uncertain.
 
 
20144+4206 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 192659 49345 20 14 22 +42 06 16 STT 403 AB 2019 97 170 0.9 7.31 7.64 0.33
Show 49345 20 14 22 +42 06 16 STF 2657 AC 2015 38 32 11.6 7.28 9.80 2.52 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 49345 HIP 99749 Tycho2 3159-01225-1
Gaia DR2 2080681345889489664 HD 192659 HR 7737 ADS 13572
BD BD+41 3668 Distance 581.4 Distance ly 1896.53
 
 
WDS 20144+4206 STF 2657 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.
STTA (O. Struve DD - Appendix list) ...................
Stt1864 Ma - Struve, O. 1864MNRAS..24..149S
Stt1864 MNRAS 24, 149, 1864
Stt1866 orb - Struve, O. .
Stt1866 Bull. Imp. Acad. Sci. St. Petersburg, 1866
Stt1874 orb - Struve, O. .
Stt1874 Compte Rendus 79, 1467, 1874
Stt1875 orb - Struve, O. 1875MNRAS..35..367S
Stt1875 MNRAS 35, 367, 1875
Stt1878 Ma - Struve, O. 1878ObPul...9....1S
Stt1878 Pulkova Observations 9, 1, 1878
Stt1879A Ma - Struve, O. 1879Obs.....2..304G
Stt1879A cited by Gledhill (Obs 2, 304, 1879)
Stt1879B Ma - Struve, O. 1879Obs.....3..245G
Stt1879B cited by Gledhill (Obs 3, 245, 1879)
Stt1879C Ma - Struve, O. 1879Obs.....2..344G
Stt1879C cited by Gledhill (Obs 2, 344, 1879)
Stt1880A Ma - Struve, O. 1880Obs.....2..605H
Stt1880A cited by Hunt (Obs. 3, 605, 1880)
Stt1880B Ma - Struve, O. 1880Obs.....3..535G
Stt1880B cited by Gledhill (Obs 3, 535, 1880)
Stt1880C Ma - Struve, O. 1880MNRAS..40..497B
Stt1880C cited by Burnham (MNRAS 40, 497, 1880)
Stt1884A Ma - Struve, O. 1884AReg...22..216S
Stt1884A cited by Sadler (Astr. Register 22, 216, 1884)
Stt1893a Ma j Struve, O. 1893ObPul..10....1S
Stt1893a Pulkova Obs. Observations 10, 1, 1893
Stt1906A Ma - Struve, O. 1906MmRAS..56....1L
Stt1906A cited by Lewis (MemRAS 56, 1, 1906)
Stt1906B Ma j Struve, O. 1906QB821.B972.....
Stt1906B cited in BDS (Burnham Double Star Cat., 1906)
Stt1908A Ma - Struve, O. 1908MNRAS..68..465B
Stt1908A cited by Barnard (MNRAS 68, 465, 1908)
Stt1913A Ma - Struve, O. 1913QB811.B8.......
Stt1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Stt1914A Ma - Struve, O. 1914AN....198..107R
Stt1914A cited by Rabe (AN 198, 107, 1914)
Stt1932A Ma - Struve, O. 1932QB821.A43......
Stt1932A cited in ADS (Aitken Double Star Cat., 1932)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20144+4206 STF2657 AC 2000 33 32 11.8 7.28 9.80 D 201421.53+420615.6
20144+4206 STF2657 AC 2002 36 32 11.9 7.28 9.80 D 201421.53+420615.6
20144+4206 STF2657 AC 2015 37 32 11.6 7.28 9.80 B9IV-V 201421.53+420615.6

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

 
 
WDS 20144+4206 STF 2657 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20144+4206 STF 2657 AC : MEASURES
 
 
No records found.

 
 
WDS 20144+4206 : VIRTUAL EYEPIECE
 
 

20144+4206 STT 403A mag 7.31 Sp B9IV 20144+4206 STT 403B sep 0.9 P.A. 172.60 mag 7.64 Sp V 20144+4206 STF2657C sep 10.9 P.A. 24.40 mag 9.8 Sp V 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 20144+4206 : ALADIN DSS IMAGE @ 20h 14m 21.53s +42° 06' 15.6"
 
 
 
 
WDS 20144+4206 STF 2657 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20144+4206 STT 403AB distance=1' 20144+4206 STF2657AC distance=1' 20142+4216 TDT2110 distance=11' 20133+4214 COU2638 distance=14' 20168+4158 ES 1568BC distance=29' 20168+4158 ES 1568AB distance=29' 20158+4233 ES 1567 distance=32' 20107+4208 COU2637 distance=41' 20114+4232 ES 1566 distance=42' 20151+4249 A 388 distance=44' 20151+4118 A 387AB distance=50' 20151+4118 A 387AC distance=50' 20151+4118 A 387CD distance=50' 20171+4127 ARN 97 distance=50' 20099+4200 CVR 219 distance=50' 20143+4115 COU2639 distance=51' 20159+4257 ROE 42 distance=54' 20144+4112 TDT2112 distance=55' 20097+4149 TDT2037 distance=55' 20189+4227 HJ 1503 distance=55' 20186+4136 ES 1675 distance=57' 20111+4131 HJ 1491 distance=60' 20181+4122 ES 1674 distance=61' 20197+4151 MMA 3 distance=62' 20188+4244 HO 124 distance=63' 20185+4123 TDT2154 distance=64' 20097+4130 HDS2871 distance=64' 20159+4307 BRT2257 distance=64' 20082+4210 TDS1045 distance=69' 20080+4204 A 383 distance=71' 20138+4055 TDT2106 distance=72' 20187+4113 COU2640 distance=72' 20080+4223 A 382 distance=73' 20090+4252 OSO 118AB distance=75' 20090+4252 OSO 118AC distance=75' 20137+4050 DOO 13 distance=77' 20137+4323 BU 660AB distance=77' 20137+4323 BU 660AC distance=77' 20137+4323 FOX 250AD distance=77' 20213+4155 TDT2201 distance=78' 20144+4048 TDT2113 distance=79' 20205+4122 LI 5AB distance=82' 20205+4122 FAB 15AC distance=82' 20105+4316 ROE 41 distance=82' 20205+4127 LI 4 distance=82' 20179+4319 ES 1440 distance=83' 20195+4307 TDS1059 distance=84' 20197+4108 STTA205 distance=84' 20212+4128 A 287 distance=86' 20111+4048 TDT2057 distance=87' 20190+4316 WFC 231 distance=87' 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 20144+4206 STT 403 AB 170 0.9 1
Show 20144+4206 STF2657 AC 32 11.6 1
Show 20142+4216 TDT2110 178 4.5 11
Show 20133+4214 COU2638 48 1.8 14
Show 20168+4158 ES 1568 BC 187 2.3 29
Show 20168+4158 ES 1568 AB 292 12.8 29
Show 20158+4233 ES 1567 182 2.4 32
Show 20107+4208 COU2637 121 0.5 41
Show 20114+4232 ES 1566 352 6.0 42
Show 20151+4249 A 388 36 0.7 44
Show 20151+4118 A 387 AB 151 5.1 50
Show 20151+4118 A 387 AC 222 21.6 50
Show 20151+4118 A 387 CD 19 9.0 50
Show 20171+4127 ARN 97 220 12.8 50
Show 20099+4200 CVR 219 210 113.2 50
Show 20143+4115 COU2639 244 0.4 51
Show 20159+4257 ROE 42 91 6.1 54
Show 20144+4112 TDT2112 64 0.6 55
Show 20097+4149 TDT2037 21 2.8 55
Show 20189+4227 HJ 1503 73 16.9 55
Show 20186+4136 ES 1675 324 2.2 57
Show 20111+4131 HJ 1491 297 4.8 60
Show 20181+4122 ES 1674 125 4.9 61
Show 20197+4151 MMA 3 105 11.0 62
Show 20188+4244 HO 124 357 0.9 63
Show 20185+4123 TDT2154 311 0.5 64
Show 20097+4130 HDS2871 228 0.2 64
Show 20159+4307 BRT2257 101 3.4 64
Show 20082+4210 TDS1045 37 1.0 69
Show 20080+4204 A 383 8 0.3 71
Show 20138+4055 TDT2106 358 0.5 72
Show 20187+4113 COU2640 265 0.5 72
Show 20080+4223 A 382 96 1.7 73
Show 20090+4252 OSO 118 AB 150 12.2 75
Show 20090+4252 OSO 118 AC 237 21.2 75
Show 20137+4050 DOO 13 258 3.0 77
Show 20137+4323 BU 660 AB 318 8.7 77
Show 20137+4323 BU 660 AC 190 58.2 77
Show 20137+4323 FOX 250 AD 279 31.5 77
Show 20213+4155 TDT2201 359 0.6 78
Show 20144+4048 TDT2113 181 0.5 79
Show 20205+4122 LI 5 AB 145 8.8 82
Show 20205+4122 FAB 15 AC 203 19.5 82
Show 20105+4316 ROE 41 338 6.0 82
Show 20205+4127 LI 4 333 8.9 82
Show 20179+4319 ES 1440 256 2.6 83
Show 20195+4307 TDS1059 117 0.9 84
Show 20197+4108 STTA205 321 45.5 84
Show 20212+4128 A 287 132 1.5 86
Show 20111+4048 TDT2057 14 1.3 87
Show 20190+4316 WFC 231 331 7.4 87

 
 
WDS 20144+4206 : COMPONENTS
 
 
  A B
B pa=172.6°
sep=0.93"
 
C pa=24.4°
sep=10.86"
pa=22.0°
sep=11.66"
 
 
20144+4206 A
 
 
Name HD 192659 Coord arcsec 2000 201421.53+420615.6 Mag 7.31 Spectral class B9IV (blue-white)
PmRA 2.00 PmDE -2.0 SAO 49345 HIP 99749
Tycho2 3159-01225-1 HD 192659 HR 7737 GC 28123
BD BD+41 3668
Tycho2
Tycho2 3159-01225-1 Pflag P RAmdeg 303.58975311 DEmdeg 42.10424875
PmRA 2.0 PmDE -2.2 E RAmdeg 5 E DEmdeg 5
E pmRA 1.5 E pmDE 1.4 EpRAm 1991.40 EpDEm 1991.47
Num 5 Q RAmdeg 1.0 Q DEmdeg 1.8 Q pmRA 0.9
Q pmDE 1.8 BTmag 7.262 E BTmag 0.015 VTmag 7.305
E VTmag 0.010 Prox 9 TYC T HIP 99749
CCDM A RAdeg 303.58972694 DEdeg 42.10434583 EpRA 1990 1.55
EpDE 1990 1.63 E RAdeg 4.1 E DEdeg 4.1 Posflg D
Corr 0.0
SAO
SAO 49345 DelFlag RA1950 PmRA1950 0.0001
DE1950 PmDE1950 -0.019 Vmag 6.4 SpType B8
Double code Source 70 CatNum 28123 DM BD+41 3668
DMcomp BDsup HD 192659 M HD 0
GC 28123 RA1950rad 5.29111469 DE1950rad 0.73217997 PmRA2000 0.0004
PmDE2000 -0.021
Hipparcos
Catalog H HIP 99749 Proxy H RAhms 20 14 21.53
DEdms +42 06 15.6 Vmag 6.67 VarFlag R Vmag G
RAdeg 303.59 DEdeg 42.1043 AstroRef A Plx 2.76
CCDM 20144+4206 N CCDM I Nsys 1 Ncomp 3
MultFlag C Source Qual A M HIP
Theta Rho HD 192659 BD BD+41 3668
CD CP Dm number +41 3668 VIred -0.02
SpType B9IV-V R SpType Coord arcsec 2000 201421.53+420615.6
Hipparcos 2
HIP 99749 Sn 15 So 3 Nc 3
RArad 5.2986403276 DErad 0.7348594486 Plx 1.72 PmRA 3.76
PmDE -2 E RArad 0.45 E DErad 0.47 E Plx 0.57
E pmRA 0.5 E pmDE 0.54 Hpmag 6.6915 E Hpmag 0.0016
SHp 0.013 VA 0 BV -0.038 E BV 0.002
VI -0.02
CCDM
Ccdm 20144+4206 RComp Comp A Note1
Note2 Discov num DRAs -2.42 DDEs 14.8
R dRAs 10 Year Theta Rho
Obs 3 Vmag 7.1 Sp B8 PmNote *
PmRA 11 PmDE -5 Dm number +41 3668 Cat1 BD
Name2 +41 1860 Cat2 AGK2/3 HD 192659 M HD
ADS BDS A13572 M ADS BDS N IDS IDS 20109N4148A
HIC 99749
 
 
20144+4206 B
 
 
Coord arcsec 2000 201421.54+420614.7 Mag 7.64 Spectral class V PmRA 2.00
PmDE -2.0 Tycho2 3159-01225-2 HD 228512 Calc delta mag 0.33
Calc coord yes
Tycho2
Tycho2 3159-01225-2 Pflag P RAmdeg 303.58975311 DEmdeg 42.10424875
PmRA 2.0 PmDE -2.2 E RAmdeg 5 E DEmdeg 5
E pmRA 1.5 E pmDE 1.4 EpRAm 1991.40 EpDEm 1991.47
Num 5 Q RAmdeg 1.0 Q DEmdeg 1.8 Q pmRA 0.9
Q pmDE 1.8 BTmag 7.630 E BTmag 0.015 VTmag 7.641
E VTmag 0.011 Prox 9 TYC T HIP 99749
CCDM B RAdeg 303.58978194 DEdeg 42.10408750 EpRA 1990 1.54
EpDE 1990 1.63 E RAdeg 4.6 E DEdeg 4.5 Posflg D
Corr 0.0
CCDM
Ccdm 20144+4206 RComp Comp B Note1
Note2 Discov num STT 403 DRAs DDEs
R dRAs Year 1848 Theta 173 Rho 0.8
Obs 26 Vmag 7.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13572 M ADS BDS N IDS IDS 20109N4148B
HIC 99749
 
 
20144+4206 C
 
 
Coord arcsec 2000 201421.93+420625.5 Mag 9.8 Spectral class V PmRA 4.00
PmDE -2.0 Calc delta mag 2.49 Calc coord yes
CCDM
Ccdm 20144+4206 RComp Comp C Note1
Note2 Discov num STF2657 DRAs -1.88 DDEs 23.6
R dRAs 10 Year 1848 Theta 033 Rho 11.6
Obs 15 Vmag 9.0 Sp PmNote *
PmRA 9 PmDE -22 Dm number Cat1
Name2 +41 1861 Cat2 AGK2/3 HD M HD
ADS BDS A13572 M ADS BDS N IDS IDS 20109N4148C
HIC