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Current system
20358+5435
ES 991 AC


Nearby doubles
4' : 20354+5435
STI2543

11' : 20368+5431
TDT2419

14' : 20369+5429
STI2545

15' : 20375+5437
STI2546

17' : 20376+5429
KPP2376

29' : 20331+5420
STI2539

29' : 20388+5447
STI2550

30' : 20385+5453
STI2548

35' : 20396+5450
ES 993

40' : 20402+5427
A 1682

45' : 20306+5439
MLR 589

46' : 20403+5413
OSO 129AB

48' : 20377+5351
A 1681AB

49' : 20351+5524
STI2542

51' : 20380+5522
STI2547

52' : 20298+5436
STI2536

53' : 20414+5454
TDS1090

54' : 20400+5515
HJ 1562AB

55' : 20411+5504
TDS1089

56' : 20421+5436
ES 994

58' : 20301+5407
TDS1077

58' : 20315+5520
TDS1079

60' : 20312+5519
A 1678

65' : 20284+5430
STF2693

73' : 20278+5456
TDT2293

76' : 20419+5529
TDT2477



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.

20358+5435 ES 991 AC

 
 
20h 35m 45.34s +54° 35' 16.7" P.A. 106.00 sep 61.7 mag 9.33,10.79 Sp K7
 
 
Coord 2000 20358+5435 Discov num ES  991 Comp AC Coord arcsec 2000 20 35 45.34 +54 35 16.7
Date first 1901 Date last 2018 Obs 11
Pa first 103 Pa last 106.3 P.A. Now (θ) 106.3°
Sep first 64.7 Sep last 61.721 Sep. Now (ρ) 61.721"
Mag pri 9.33 Mag sec 10.79 delta mag (ΔM) 1.46 Spectral class K7 (yellow-orange)
Pri motion ra -002 Sec motion ra -038
Pri motion dec -005 Sec motion dec -034
Notes
rPM=0.907
This double is not physical.
 
 
20358+5435 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 235289 32720 20 35 45 +54 35 17 ES 991 AB 2018 14 297 15.9 9.33 10.30 0.97
Show 32720 20 35 45 +54 35 17 ES 991 AC 2018 11 106 61.7 9.33 10.79 1.46 <===
Show 20 35 52 +54 34 60 ES 991 CD 2016 5 120 2.6 10.79 13.20 2.41
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 32720 Tycho2 3954-01980-1 Gaia DR2 2183467163189146112
HD 235289
 
 
WDS 20358+5435 ES 991 AC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Es_1901 Mb - Espin, T.E. 1901AN....155..321E
Es_1901 AN 155, 321, 1901 (ES 1 - 39)
Es_1902a Ma - Espin, T.E. 1902AN....158..241E
Es_1902a +Mb AN 158, 241, 1902 (ES 40 - 112)
Es_1902b Mb - Espin, T.E. 1902MNRAS..62..528E
Es_1902b MNRAS 62, 528, 1902
Es_1902c Mb j Espin, T.E. 1902MNRAS..62..402E
Es_1902c MNRAS 62, 402, 1902
Es_1903 Mb - Espin, T.E. 1903MNRAS..63..172E
Es_1903 MNRAS 63, 172, 1903 (ES 113 - 150)
Es_1904a - Espin, T.E. 1904MNRAS..64..238E
Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E
Es_1904b Mb - Espin, T.E. 1904MNRAS..64..675E
Es_1904b MNRAS 64, 675, 1904
Es_1905 Mb - Espin, T.E. 1905MNRAS..65..710E
Es_1905 MNRAS 65, 710, 1905 (ES 151 - 221)
Es_1906a Mb - Espin, T.E. 1906MNRAS..66..141E
Es_1906a MNRAS 66, 141, 1906 (ES 222 - 269)
Es_1906b Mb - Espin, T.E. 1906MNRAS..66..430E
Es_1906b MNRAS 66, 430, 1906 (ES 270 - 311)
Es_1906C Mb - Espin, T.E. 1906QB821.B972.....
Es_1906C cited in BDS (Burnham Double Star Cat.), 1906
Es_1906D Mb - Espin, T.E. 1906MmRAS..56....1L
Es_1906D cited by Lewis (MemRAS 56, 1, 1906)
Es_1907a Mb j Espin, T.E. 1907MNRAS..67..190E
Es_1907a MNRAS 67, 190, 1907 (ES 312 - 403)
Es_1907b Mb - Espin, T.E. 1907MNRAS..67..495E
Es_1907b MNRAS 67, 495, 1907 (ES 404 - 442)
Es_1908a Mb j Espin, T.E. 1908MNRAS..68..202E
Es_1908a MNRAS 68, 202, 1908 (ES 443 - 551)
Es_1908b Mb - Espin, T.E. 1908MNRAS..68..523E
Es_1908b MNRAS 68, 523, 1908 (ES 552 - 609)
Es_1908c - Espin, T.E. 1908JRASC...2..248E
Es_1908c JRASC 2, 248, 1908 (data also in MNRAS 69, 218, 1909) 1909MNRAS..69..218E
Es_1909a Mb j Espin, T.E. 1909MNRAS..69..218E
Es_1909a MNRAS 69, 218, 1909 (ES 610 - 704)
Es_1909b Mb j Espin, T.E. 1909MNRAS..69..604E
Es_1909b MNRAS 69, 604, 1909 (ES 705 - 743)
Es_1910a Mb - Espin, T.E. 1910MNRAS..70..237E
Es_1910a MNRAS 70, 237, 1910 (ES 744 - 864)
Es_1910b Mb - Espin, T.E. 1910MNRAS..70..541E
Es_1910b MNRAS 70, 541, 1910 (ES 865 - 927)
Es_1911 Mb - Espin, T.E. 1911MNRAS..71..217E
Es_1911 MNRAS 71, 217, 1911 (ES 928 - 1051)
Es_1912 Mb - Espin, T.E. 1912MNRAS..72..191E
Es_1912 MNRAS 72, 191, 1912 (ES 1052 - 1125)
Es_1913 Mb j Espin, T.E. 1913MNRAS..73..162E
Es_1913 MNRAS 73, 162, 1913 (ES 1126 - 1191)
Es_1914 Mb j Espin, T.E. 1914MNRAS..74..244E
Es_1914 MNRAS 74, 244, 1914 (ES 1192 - 1293)
Es_1915a Mb - Espin, T.E. 1915MNRAS..75..203E
Es_1915a MNRAS 75, 203, 1915 (ES 1294 - 1356)
Es_1915b Mb - Espin, T.E. 1915MNRAS..75..555E
Es_1915b MNRAS 75, 555, 1915 (ES 1357 - 1405)
Es_1915c Mb - Espin, T.E. 1915MNRAS..76..210E
Es_1915c MNRAS 76, 210, 1915 (ES 1406 - 1479)
Es_1917 Mb - Espin, T.E. 1917MNRAS..77..236E
Es_1917 MNRAS 77, 236, 1917 (ES 1480 - 1600)
Es_1918 Mb j Espin, T.E. 1918MNRAS..78..189E
Es_1918 MNRAS 78, 189, 1918 (ES 1601 - 1705, MLB 1 - 35)
Es_1919 Mb - Espin, T.E. 1919MNRAS..79..211E
Es_1919 MNRAS 79, 211, 1919 (ES 1706 - 1768, MLB 36 - 106)
Es_1920 Mb - Espin, T.E. 1920MNRAS..80..329E
Es_1920 MNRAS 80, 329, 1920 (ES 1769 - 1805, MLB 107 - 149)
Es_1921 Mb j Espin, T.E. 1921MNRAS..81..232E
Es_1921 MNRAS 81, 232, 1921 (ES 1806 - 1864, MLB 150 - 182)
Es_1922 Mb - Espin, T.E. 1922MNRAS..82..187E
Es_1922 MNRAS 82, 187, 1922 (ES 1865 - 1933, MLB 183 - 241)
Es_1923 Mb - Espin, T.E. 1923MNRAS..83..154E
Es_1923 MNRAS 83, 154, 1923 (ES 1934 - 2006, MLB 242 - 275)
Es_1924 Mb - Espin, T.E. 1924MNRAS..84..162E
Es_1924 MNRAS 84, 162, 1924 (ES 2007 - 2078, MLB 276 - 322)
Es_1925a Mb - Espin, T.E. 1925MNRAS..85..276E
Es_1925a MNRAS 85, 276, 1925 (ES 2079 - 2137, MLB 323 - 376)
Es_1925b Mb - Espin, T.E. 1925MNRAS..86...79E
Es_1925b MNRAS 86, 79, 1925
Es_1926 Mb - Espin, T.E. 1926MNRAS..86..131E
Es_1926 MNRAS 86, 131, 1926 (ES 2138 - 2209, MLB 377 - 440)
Es_1927 Mb - Espin, T.E. 1927MNRAS..87..215E
Es_1927 MNRAS 87, 215, 1927 (ES 2210 - 2273, MLB 441 - 510)
Es_1928 Mb - Espin, T.E. 1928MNRAS..88..185E
Es_1928 MNRAS 88, 185, 1928 (ES 2274 - 2328, MLB 511 - 551)
Es_1929 Mb - Espin, T.E. 1929MNRAS..89..268E
Es_1929 MNRAS 89, 268, 1929 (ES 2329 - 2362, MLB 552 - 591)
Es_1930 Mb - Espin, T.E. 1930MNRAS..90..317E
Es_1930 MNRAS 90, 317, 1930 (ES 2363 - 2400, MLB 592 - 630)
Es_1931 Mb - Espin, T.E. 1931MNRAS..91..294E
Es_1931 MNRAS 91, 294, 1931 (ES 2401 - 2444, MLB 631 - 673)
Es_1932a Mb - Espin, T.E. 1932MNRAS..92..214E
Es_1932a MNRAS 92, 214, 1932 (ES 2445 - 2543, MLB 674 - 732)
Es_1932B Mb - Espin, T.E. 1932QB821.A43......
Es_1932B cited in ADS (Aitken Double Star Cat.), 1932
Es_1933 Mb - Espin, T.E. 1933MNRAS..93..192E
Es_1933 MNRAS 93, 192, 1933 (ES 2544 - 2575, MLB 733 - 806)
Es_1937A Mb - Espin, T.E. 1937AnLei..18....1S
Es_1937A cited by Strand (Ann. Sterrew. Leiden 18, 1937)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20358+5435 ES 991 AC 2006 7 106 62.2 9.33 10.79 K7 D 203545.34+543516.7
20358+5435 ES 991 AC 2009 8 106 62.2 9.33 10.79 K7 D 203545.34+543516.7
20358+5435 ES 991 AC 2015 10 106 61.8 9.33 10.79 K7 203545.34+543516.7
20358+5435 ES 991 AC 2018 11 107 61.7 9.33 10.79 K7 203545.34+543516.7

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

 
 
WDS 20358+5435 ES 991 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20358+5435 ES 991 AC : MEASURES
 
 
No records found.

 
 
WDS 20358+5435 : VIRTUAL EYEPIECE
 
 

20358+5435 ES 991A mag 9.33 Sp K7 20358+5435 ES 991B sep 10.9 P.A. 310.80 mag 10.3 20358+5435 ES 991C sep 62.2 P.A. 106.00 mag 10.79 20358+5435 ES 991D sep 63.8 P.A. 106.80 mag 13.2 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 20358+5435 : ALADIN DSS IMAGE @ 20h 35m 45.34s +54° 35' 16.7"
 
 
 
 
WDS 20358+5435 ES 991 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20358+5435 ES 991AC distance=0' 20358+5435 ES 991CD distance=2' 20354+5435 STI2543 distance=4' 20368+5431 TDT2419 distance=11' 20369+5429 STI2545 distance=14' 20375+5437 STI2546 distance=15' 20376+5429 KPP2376 distance=17' 20331+5420 STI2539 distance=29' 20388+5447 STI2550 distance=29' 20385+5453 STI2548 distance=30' 20396+5450 ES 993 distance=35' 20402+5427 A 1682 distance=40' 20306+5439 MLR 589 distance=45' 20403+5413 OSO 129AB distance=46' 20403+5413 OSO 129AC distance=46' 20403+5413 OSO 129AD distance=46' 20403+5413 OSO 129AE distance=46' 20377+5351 A 1681AB distance=48' 20377+5351 A 1681AC distance=48' 20351+5524 STI2542 distance=49' 20380+5522 STI2547 distance=51' 20298+5436 STI2536 distance=52' 20414+5454 TDS1090 distance=53' 20400+5515 HJ 1562AB distance=54' 20400+5515 VBS 31AC distance=54' 20411+5504 TDS1089 distance=55' 20421+5436 ES 994 distance=56' 20301+5407 TDS1077 distance=58' 20315+5520 TDS1079 distance=58' 20312+5519 A 1678 distance=60' 20284+5430 STF2693 distance=65' 20278+5456 TDT2293 distance=73' 20419+5529 TDT2477 distance=76' 20281+5513 STI2533 distance=77' 20443+5457 TDT2508 distance=78' 20448+5430 TOI1356 distance=79' 20433+5521 LLO 1 distance=80' 20365+5557 VBS 30AB distance=82' 20365+5557 HJ 1556AC distance=82' 20365+5557 VBS 30AD distance=82' 20264+5500 STI2528 distance=85' 20280+5343 TDT2298 distance=87' 20255+5441 HJ 1516AB distance=89' 20255+5441 HJ 1516AC distance=89' 20264+5402 FRK 9 distance=89' 20255+5434 GIC 157 distance=90' 20385+5308 MLR 642 distance=91' 20455+5401 HLD 41AB distance=92' 20455+5401 HLD 41AC distance=92' 20252+5437 STI2524 distance=93' 20257+5508 A 1429 distance=94' 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 20358+5435 ES 991 AB 297 15.9
Show 20358+5435 ES 991 AC 106 61.7
Show 20358+5435 ES 991 CD 120 2.6 2
Show 20354+5435 STI2543 208 3.2 4
Show 20368+5431 TDT2419 80 0.8 11
Show 20369+5429 STI2545 159 3.2 14
Show 20375+5437 STI2546 38 8.9 15
Show 20376+5429 KPP2376 92 20.5 17
Show 20331+5420 STI2539 255 10.1 29
Show 20388+5447 STI2550 183 12.4 29
Show 20385+5453 STI2548 168 13.8 30
Show 20396+5450 ES 993 194 2.0 35
Show 20402+5427 A 1682 49 1.4 40
Show 20306+5439 MLR 589 310 1.6 45
Show 20403+5413 OSO 129 AB 141 10.8 46
Show 20403+5413 OSO 129 AC 115 17.1 46
Show 20403+5413 OSO 129 AD 143 19.9 46
Show 20403+5413 OSO 129 AE 70 19.7 46
Show 20377+5351 A 1681 AB 209 4.4 48
Show 20377+5351 A 1681 AC 339 56.9 48
Show 20351+5524 STI2542 337 5.5 49
Show 20380+5522 STI2547 86 2.5 51
Show 20298+5436 STI2536 91 7.5 52
Show 20414+5454 TDS1090 226 1.0 53
Show 20400+5515 HJ 1562 AB 167 21.7 54
Show 20400+5515 VBS 31 AC 13 45.6 54
Show 20411+5504 TDS1089 252 1.4 55
Show 20421+5436 ES 994 11 4.7 56
Show 20301+5407 TDS1077 12 1.0 58
Show 20315+5520 TDS1079 126 0.9 58
Show 20312+5519 A 1678 351 2.4 60
Show 20284+5430 STF2693 12 13.7 65
Show 20278+5456 TDT2293 261 0.8 73
Show 20419+5529 TDT2477 266 1.2 76
Show 20281+5513 STI2533 198 10.0 77
Show 20443+5457 TDT2508 82 0.8 78
Show 20448+5430 TOI1356 289 0.3 79
Show 20433+5521 LLO 1 20 0.1 80
Show 20365+5557 VBS 30 AB 141 4.6 82
Show 20365+5557 HJ 1556 AC 222 6.6 82
Show 20365+5557 VBS 30 AD 97 29.6 82
Show 20264+5500 STI2528 214 10.1 85
Show 20280+5343 TDT2298 60 0.5 87
Show 20255+5441 HJ 1516 AB 147 47.3 89
Show 20255+5441 HJ 1516 AC 204 50.3 89
Show 20264+5402 FRK 9 238 59.8 89
Show 20255+5434 GIC 157 298 27.6 90
Show 20385+5308 MLR 642 143 5.2 91
Show 20455+5401 HLD 41 AB 225 3.7 92
Show 20455+5401 HLD 41 AC 262 9.6 92
Show 20252+5437 STI2524 60 14.0 93

 
 
WDS 20358+5435 : COMPONENTS
 
 
  A B C
B pa=310.8°
sep=10.89"
 
C pa=106.0°
sep=62.20"
pa=109.6°
sep=72.22"
 
D pa=106.8°
sep=63.82"
pa=110.2°
sep=73.89"
pa=134.8°
sep=1.84"
 
 
20358+5435 A
 
 
Name HD 235289 Coord arcsec 2000 203545.34+543516.7 Mag 9.33 Spectral class K7 (yellow-orange)
PmRA -2.00 PmDE -5.0 SAO 32720 Tycho2 3954-01980-1
HD 235289 DM BD+54 2382
Tycho2
Tycho2 3954-01980-1 Pflag RAmdeg 308.93892462 DEmdeg 54.58798456
PmRA -5.3 PmDE -6.0 E RAmdeg 16 E DEmdeg 14
E pmRA 1.6 E pmDE 1.6 EpRAm 1989.03 EpDEm 1989.79
Num 7 Q RAmdeg 0.9 Q DEmdeg 1.0 Q pmRA 0.9
Q pmDE 1.0 BTmag 11.573 E BTmag 0.073 VTmag 9.333
E VTmag 0.019 Prox 623 TYC T HIP
CCDM RAdeg 308.93894306 DEdeg 54.58799639 EpRA 1990 1.55
EpDE 1990 1.69 E RAdeg 16.8 E DEdeg 15.3 Posflg
Corr 0.0
SAO
SAO 32720 DelFlag RA1950 PmRA1950 0.0002
DE1950 PmDE1950 0 Vmag 9.1 SpType K7
Double code Source 37 CatNum 6660 DM BD+54 2382
DMcomp BDsup HD 235289 M HD 0
GC RA1950rad 5.3861321 DE1950rad 0.94969963 PmRA2000 0.0006
PmDE2000 -0.002
CCDM
Ccdm 20358+5435 RComp Comp A Note1
Note2 Discov num DRAs -2.73 DDEs 16.6
R dRAs 10 Year Theta Rho
Obs 4 Vmag 9.7 Sp K7 PmNote *
PmRA -5 PmDE -11 Dm number +54 2382 Cat1 BD
Name2 +54 1336 Cat2 AGK2/3 HD 235289 M HD
ADS BDS A14059 M ADS BDS N IDS IDS 20331N5414A
HIC
 
 
20358+5435 B
 
 
Coord arcsec 2000 203544.39+543523.8 Mag 10.3 PmRA -6.00 PmDE -6.0
Calc delta mag 0.97 Calc coord yes
CCDM
Ccdm 20358+5435 RComp Comp B Note1
Note2 Discov num ES 991 DRAs DDEs
R dRAs Year 1910 Theta 297 Rho 16.3
Obs 1 Vmag 10.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14059 M ADS BDS N IDS IDS 20331N5414B
HIC
 
 
20358+5435 C
 
 
Coord arcsec 2000 203552.22+543459.6 Coord calc 203552.22+543459.6 Mag 10.79 PmRA -43.00
PmDE -35.0 Tycho2 3954-02001-1 Calc delta mag 1.46
Tycho2
Tycho2 3954-02001-1 Pflag RAmdeg 308.96760692 DEmdeg 54.58323387
PmRA -42.9 PmDE -34.7 E RAmdeg 31 E DEmdeg 35
E pmRA 3.1 E pmDE 3.0 EpRAm 1987.62 EpDEm 1989.22
Num 3 Q RAmdeg 6.4 Q DEmdeg 1.3 Q pmRA 6.5
Q pmDE 1.3 BTmag 11.512 E BTmag 0.069 VTmag 10.792
E VTmag 0.060 Prox 623 TYC T HIP
CCDM RAdeg 308.96769889 DEdeg 54.58331861 EpRA 1990 1.57
EpDE 1990 1.69 E RAdeg 41.7 E DEdeg 37.5 Posflg
Corr 0.0
CCDM
Ccdm 20358+5435 RComp Comp C Note1
Note2 Discov num ES 991 DRAs DDEs
R dRAs Year 1910 Theta 104 Rho 63.6
Obs 1 Vmag 10.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14059 M ADS BDS N IDS IDS 20331N5414C
HIC
 
 
20358+5435 D
 
 
Coord arcsec 2000 203552.37+543458.3 Mag 13.2 Calc delta mag 3.87 Calc coord yes
CCDM
Ccdm 20358+5435 RComp C Comp D Note1
Note2 Discov num ES 991 DRAs DDEs
R dRAs Year 1910 Theta 127 Rho 2.5
Obs 1 Vmag 13.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14059 M ADS BDS N IDS IDS 20331N5414D
HIC