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Doubles in session


Current system
20289+5655
TOB 187 AC


Nearby doubles
8' : 20298+5654
TDT2322

15' : 20305+5651
TDT2330

20' : 20312+5653
RAO 22

27' : 20312+5714
A 872

27' : 20264+5638
STF2687

29' : 20280+5723
MLR 641

36' : 20300+5621
STI2537

38' : 20330+5712
A 739

42' : 20265+5619
BU 433AB

44' : 20251+5727
MLB 84

46' : 20343+5707
STI2541

50' : 20315+5611
HJ 1540AB

51' : 20258+5612
TDT2262

52' : 20295+5604
KUI 97

54' : 20309+5747
TDT2333

56' : 20342+5622
HJ 1546

56' : 20354+5712
TDT2399

57' : 20337+5616
HJ 1545

61' : 20351+5624
HJ 1551

63' : 20352+5622
HJ 1552

63' : 20217+5717
TDT2204

66' : 20243+5602
TDT2239

70' : 20208+5639
STI2520

70' : 20231+5745
STI2523

77' : 20256+5544
KPP4196

79' : 20381+5637
A 745



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.

20289+5655 TOB 187 AC

 
 
20h 28m 52.84s +56° 55' 23.0" P.A. 132.00 sep 26.9 mag 9.73,11.34 Sp K0
 
 
Coord 2000 20289+5655 Discov num TOB 187 Comp AC Coord arcsec 2000 20 28 52.84 +56 55 23.0
Date first 1983 Date last 2015 Obs 13
Pa first 128 Pa last 131.5 P.A. Now (θ) 131.5°
Sep first 26.1 Sep last 26.942 Sep. Now (ρ) 26.942"
Mag pri 9.73 Mag sec 11.34 delta mag (ΔM) 1.61 Spectral class K0 (yellow-orange)
Pri motion ra +022 Sec motion ra +007
Pri motion dec +039 Sec motion dec -023
Notes
rPM=1.425
This double is not physical.
 
 
20289+5655 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 239426 32618 20 28 53 +56 55 23 STI 2535 AB 2016 16 227 13.6 9.73 10.57 0.84
Show 32618 20 28 53 +56 55 23 TOB 187 AC 2015 13 132 26.9 9.73 11.34 1.61 <===
Show 32618 20 28 53 +56 55 23 TOB 187 AD 2015 10 189 31.2 9.73 11.80 2.07
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 32618 Tycho2 3958-00952-1 Gaia DR2 2187035044058553728
HD 239426
 
 
WDS 20289+5655 TOB 187 AC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Sti Stein, J. (see Vat1926) ...................
Tob2000 Mb u Tobal, T. 2000O&T....52...67T
Tob2000 Obs. et Travaux 52, 67, 2000
Tob2003 M+ j Tobal, T. ...................
Tob2003 +Pa OAG Gen. Cat. 10,000 vis. double star meas. 1970-2003 (J2000.0), 2003
Tob2003 +Z
Tob2005a Pu j Tobal, T. ...................
Tob2005a Webb Soc. Double Star Circ. 13, 2005 (also OAG General Cat. Suppl. 1, 2004)
Tob2005b Pu j Tobal, T. ...................
Tob2005b Webb Soc. Double Star Circ. 13, 2005 (also OAG General Cat. Suppl. 2, 2004)
Tob2005c Pu j Tobal, T. ...................
Tob2005c Webb Soc. Double Star Circ. 13, 2005 (also OAG General Cat. Suppl. 3, 2004)
Tob2005d Pp j Tobal, T. ...................
Tob2005d Webb Soc. Double Star Circ. 13, 2005 (also OAG General Cat. Suppl. 4, 2004)
Tob2005e Pp j Tobal, T. ...................
Tob2005e Webb Soc. Double Star Circ. 13, 2005 (also OAG General Cat. Suppl. 5, 2004)
Tob2005f Pp j Tobal, T. ...................
Tob2005f Webb Soc. Double Star Circ. 13, 2005 (also OAG General Cat. Suppl. 6, 2004)
Tob2005g Pp j Tobal, T. ...................
Tob2005g Webb Soc. Double Star Circ. 13, 2005 (also OAG General Cat. Suppl. 7, 2004)
Tob2005h Pu j Tobal, T. ...................
Tob2005h Webb Soc., Double Star Circ. 15, 2007 (also OAG General Cat. Suppl. 8, 2005)
Tob2005i Pp j Tobal, T. ...................
Tob2005i Webb Soc., Double Star Circ. 15, 2007 (also OAG General Cat. Suppl. 9, 2005)
Tob2005j Pp j Tobal, T. & Martin, I.T. ...................
Tob2005j Webb Soc., Double Star Circ. 15, 2007 (also OAG General Cat. Suppl. 10, 2005)
Tob2006a Pp j Tobal, T. ...................
Tob2006a Webb Soc., Double Star Circ. 15, 2007 (also OAG General Cat. Suppl. 11, 2006)
Tob2006b Pp j Tobal, T. ...................
Tob2006b Webb Soc., Double Star Circ. 15, 2007 (also OAG General Cat. Suppl. 12, 2006)
Tob2006c Pa j Tobal, T. ...................
Tob2006c Webb Soc., Double Star Circ. 15, 2007 (also OAG General Cat. Suppl. 13, 2006)
Tob2006d Pa j Tobal, T. ...................
Tob2006d Webb Soc., Double Star Circ. 15, 2007 (also OAG General Cat. Suppl. 14, 2006)
Tob2007a Pu j Tobal, T. ...................
Tob2007a Webb Soc., Double Star Circ. 15, 2007 (also OAG General Cat. Suppl. 15, 2007)
Tob2007b Pa j Tobal, T. ...................
Tob2007b Webb Soc., Double Star Circ. 16, 2008 (also OAG General Cat. Suppl. 20, 2007)
Tob2008 Pa j Tobal, T. ...................
Tob2008 OAG General Cat. Suppl. 21, 2008
Tob2009 Pa j Tobal, T. ...................
Tob2009 Webb Soc., Double Star Circ. 18, 2010 (also OAG General Cat. Suppl. 23, 2009)
Tob2012a Pa j Tobal, T. ...................
Tob2012a GWP Catalog, part I (equatorial zone), OAG CPMWP Survey (2012)
Tob2012b not - Tobal, T. ...................
Tob2012b private communication, 2012
Tob2012c Pa j Tobal, T. ...................
Tob2012c Webb Soc., Double Star Circ. 20, 2012 (also OAG General Cat. Suppl. 26, 2010)
Tob2016 Pa j Tobal, T. ...................
Tob2016 GWP Catalog, part II (equatorial zone), OAG CPMWP Survey (2016)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20289+5655 TOB 187 AC 1999 4 130 26.5 9.73 11.61 K0 D 202852.84+565523.0
20289+5655 TOB 187 AC 2003 5 130 26.5 9.73 11.61 K0 D 202852.84+565523.0
20289+5655 TOB 187 AC 2013 6 131 26.9 9.73 11.34 K0 202852.84+565523.0
20289+5655 TOB 187 AC 2015 8 132 26.9 9.73 11.34 K0 W 202852.84+565523.0

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

 
 
WDS 20289+5655 TOB 187 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20289+5655 TOB 187 AC : MEASURES
 
 
No records found.

 
 
WDS 20289+5655 : VIRTUAL EYEPIECE
 
 

20289+5655 STI2535A mag 9.73 Sp K0 20289+5655 STI2535B sep 10.8 P.A. 210.30 mag 10.57 20289+5655 TOB 187C sep 21.0 P.A. 148.30 mag 11.34 20289+5655 TOB 187D sep 31.0 P.A. 184.80 mag 11.8 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 20289+5655 : ALADIN DSS IMAGE @ 20h 28m 52.84s +56° 55' 23.0"
 
 
 
 
WDS 20289+5655 TOB 187 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20289+5655 TOB 187AC distance=0' 20298+5654 TDT2322 distance=8' 20305+5651 TDT2330 distance=15' 20312+5653 RAO 22 distance=20' 20312+5714 A 872 distance=27' 20264+5638 STF2687 distance=27' 20280+5723 MLR 641 distance=29' 20300+5621 STI2537 distance=36' 20330+5712 A 739 distance=38' 20265+5619 BU 433AB distance=42' 20265+5619 BU 433AC distance=42' 20251+5727 MLB 84 distance=44' 20343+5707 STI2541 distance=46' 20315+5611 HJ 1540AB distance=50' 20315+5611 HJ 1540AC distance=50' 20258+5612 TDT2262 distance=51' 20295+5604 KUI 97 distance=52' 20309+5747 TDT2333 distance=54' 20342+5622 HJ 1546 distance=56' 20354+5712 TDT2399 distance=56' 20337+5616 HJ 1545 distance=57' 20351+5624 HJ 1551 distance=61' 20352+5622 HJ 1552 distance=63' 20217+5717 TDT2204 distance=63' 20243+5602 TDT2239 distance=66' 20208+5639 STI2520 distance=70' 20231+5745 STI2523 distance=70' 20256+5544 KPP4196 distance=77' 20381+5637 A 745 distance=79' 20383+5629 FOX 38 distance=81' 20311+5814 LDS1474 distance=81' 20242+5807 A 729AB distance=82' 20242+5807 A 729AC distance=82' 20306+5817 LDS1473 distance=83' 20365+5557 VBS 30AB distance=86' 20365+5557 HJ 1556AC distance=86' 20365+5557 VBS 30AD distance=86' 20248+5534 TDS1071 distance=89' 20356+5808 A 741AB distance=91' 20356+5808 A 741AC distance=91' 20400+5647 OSW 78 distance=92' 20194+5607 STF2669AB distance=92' 20194+5607 BU 1486AC distance=92' 20178+5717 KR 50CD distance=93' 20260+5526 STI2527 distance=93' 20178+5717 KR 50AB distance=94' 20178+5717 KR 50AC distance=94' 20175+5646 STI2517 distance=94' 20246+5527 MLR 588 distance=96' 20315+5520 TDS1079 distance=99' 20312+5519 A 1678 distance=99' 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 20289+5655 STI2535 AB 227 13.6
Show 20289+5655 TOB 187 AC 132 26.9
Show 20289+5655 TOB 187 AD 189 31.2
Show 20298+5654 TDT2322 20 1.7 8
Show 20305+5651 TDT2330 63 0.6 15
Show 20312+5653 RAO 22 152 0.2 20
Show 20312+5714 A 872 178 0.2 27
Show 20264+5638 STF2687 118 25.1 27
Show 20280+5723 MLR 641 43 1.5 29
Show 20300+5621 STI2537 343 12.7 36
Show 20330+5712 A 739 195 4.6 38
Show 20265+5619 BU 433 AB 207 7.6 42
Show 20265+5619 BU 433 AC 241 29.3 42
Show 20251+5727 MLB 84 156 7.9 44
Show 20343+5707 STI2541 205 10.6 46
Show 20315+5611 HJ 1540 AB 346 22.7 50
Show 20315+5611 HJ 1540 AC 130 40.7 50
Show 20258+5612 TDT2262 95 0.8 51
Show 20295+5604 KUI 97 129 0.8 52
Show 20309+5747 TDT2333 138 2.4 54
Show 20342+5622 HJ 1546 246 17.4 56
Show 20354+5712 TDT2399 4 0.5 56
Show 20337+5616 HJ 1545 180 15.5 57
Show 20351+5624 HJ 1551 225 42.2 61
Show 20352+5622 HJ 1552 234 21.3 63
Show 20217+5717 TDT2204 306 2.1 63
Show 20243+5602 TDT2239 256 1.7 66
Show 20208+5639 STI2520 162 10.8 70
Show 20231+5745 STI2523 170 5.8 70
Show 20256+5544 KPP4196 114 2.7 77
Show 20381+5637 A 745 313 2.4 79
Show 20383+5629 FOX 38 301 5.4 81
Show 20311+5814 LDS1474 209 10.2 81
Show 20242+5807 A 729 AB 252 2.8 82
Show 20242+5807 A 729 AC 69 36.4 82
Show 20306+5817 LDS1473 219 63.9 83
Show 20365+5557 VBS 30 AB 141 4.6 86
Show 20365+5557 HJ 1556 AC 222 6.6 86
Show 20365+5557 VBS 30 AD 97 29.6 86
Show 20248+5534 TDS1071 184 0.9 89
Show 20356+5808 A 741 AB 157 1.3 91
Show 20356+5808 A 741 AC 211 19.8 91
Show 20400+5647 OSW 78 233 186.1 92
Show 20194+5607 STF2669 AB 259 23.4 92
Show 20194+5607 BU 1486 AC 162 18.4 92
Show 20178+5717 KR 50 CD 355 1.7 93
Show 20260+5526 STI2527 81 5.2 93
Show 20178+5717 KR 50 AB 129 2.1 94
Show 20178+5717 KR 50 AC 73 66.6 94
Show 20175+5646 STI2517 151 16.1 94
Show 20246+5527 MLR 588 245 0.2 96

 
 
WDS 20289+5655 : COMPONENTS
 
 
  A B C
B pa=210.3°
sep=10.76"
 
C pa=148.3°
sep=20.98"
pa=117.5°
sep=18.55"
 
D pa=184.8°
sep=30.97"
pa=172.5°
sep=21.76"
pa=226.3°
sep=18.81"
 
 
20289+5655 A
 
 
Name HD 239426 Coord arcsec 2000 202852.84+565523.0 Mag 9.73 Spectral class K0 (yellow-orange)
PmRA 23.00 PmDE 38.0 SAO 32618 Tycho2 3958-00952-1
HD 239426 DM BD+56 2430
Tycho2
Tycho2 3958-00952-1 Pflag RAmdeg 307.22018250 DEmdeg 56.92307496
PmRA 23.2 PmDE 40.2 E RAmdeg 17 E DEmdeg 16
E pmRA 1.7 E pmDE 1.7 EpRAm 1989.79 EpDEm 1989.98
Num 7 Q RAmdeg 1.6 Q DEmdeg 1.1 Q pmRA 1.6
Q pmDE 1.0 BTmag 10.398 E BTmag 0.032 VTmag 9.734
E VTmag 0.026 Prox 135 TYC T HIP
CCDM RAdeg 307.22008611 DEdeg 56.92298583 EpRA 1990 1.70
EpDE 1990 1.87 E RAdeg 17.4 E DEdeg 17.2 Posflg
Corr 0.0
SAO
SAO 32618 DelFlag RA1950 PmRA1950 0.0043
DE1950 PmDE1950 0.044 Vmag 8.7 SpType K0
Double code Source 38 CatNum 11405 DM BD+56 2430
DMcomp BDsup HD 239426 M HD 0
GC RA1950rad 5.35674296 DE1950rad 0.99055774 PmRA2000 0.0048
PmDE2000 0.042
CCDM
Ccdm 20289+5655 RComp Comp A Note1
Note2 Discov num DRAs -1.24 DDEs 23.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.7 Sp K0 PmNote *
PmRA 22 PmDE 46 Dm number +56 2430 Cat1 BD
Name2 +56 1376 Cat2 AGK2/3 HD 239426 M HD
ADS BDS M ADS BDS N IDS IDS 20265N5635A
HIC
 
 
20289+5655 B
 
 
Coord arcsec 2000 202852.18+565513.7 Mag 10.57 PmRA 22.00 PmDE 37.0
Tycho2 3958-01775-1 Calc delta mag 0.84 Calc coord yes
Tycho2
Tycho2 3958-01775-1 Pflag RAmdeg 307.21510952 DEmdeg 56.92051117
PmRA 15.0 PmDE 35.9 E RAmdeg 40 E DEmdeg 37
E pmRA 4.5 E pmDE 4.5 EpRAm 1990.88 EpDEm 1991.16
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 11.606 E BTmag 0.073 VTmag 10.568
E VTmag 0.048 Prox 135 TYC T HIP
CCDM RAdeg 307.21504611 DEdeg 56.92043028 EpRA 1990 1.73
EpDE 1990 1.90 E RAdeg 39.6 E DEdeg 36.7 Posflg
Corr 0.0
CCDM
Ccdm 20289+5655 RComp Comp B Note1
Note2 Discov num STI2535 DRAs DDEs
R dRAs Year 1899 Theta 229 Rho 13.4
Obs 1 Vmag 10.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20265N5635B
HIC
 
 
20289+5655 C
 
 
Coord arcsec 2000 202854.19+565505.1 Mag 11.34 PmRA 7.00 PmDE -23.0
Calc delta mag 1.61 Calc coord yes
 
 
20289+5655 D
 
 
Coord arcsec 2000 202852.53+565452.1 Mag 11.8 PmRA -2.00 PmDE 4.0
Calc delta mag 2.07 Calc coord yes