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Doubles in session


Current system
20555+4112
ES 1686


Nearby doubles
15' : 20542+4111
ES 1684

18' : 20539+4115
KPP1503

19' : 20569+4122
LDS2471

20' : 20572+4110
HDS2986

28' : 20576+4058
A 400

32' : 20546+4042
ES 1685AB

33' : 20539+4139
BRT2280

33' : 20544+4042
STT 420

35' : 20585+4121
BLL 53

37' : 20534+4139
ES 1574

42' : 20581+4043
COU2430AB

44' : 20525+4138
LDS2463

45' : 20516+4106
ES 1683

50' : 20519+4140
COU2428

52' : 20514+4134
LDS2460

52' : 20510+4125
COU2427

53' : 20509+4123
LDS2458

54' : 20508+4120
TDT2575

55' : 20511+4051
TDT2578

58' : 20526+4024
GRV 391

60' : 20547+4211
CVR 233

62' : 20534+4208
LDS2464

67' : 20553+4218
OSO 137AB

68' : 20550+4219
LDS2467

68' : 20556+4004
TDT2634

70' : 21002+4027
TDT2688



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.

20555+4112 ES 1686

 
 
20h 55m 29.04s +41° 11' 54.2" P.A. 196.00 sep 7.7 mag 9.82,13.30 Sp F8
 
 
Coord 2000 20555+4112 Discov num ES 1686 Comp Coord arcsec 2000 20 55 29.04 +41 11 54.2
Date first 1917 Date last 2015 Obs 7
Pa first 193 Pa last 195.5 P.A. Now (θ) 195.5°
Sep first 6.0 Sep last 7.66 Sep. Now (ρ) 7.66"
Mag pri 9.82 Mag sec 13.30 delta mag (ΔM) 3.48 Spectral class F8 (yellow-white)
Pri motion ra -007 Sec motion ra
Pri motion dec -011 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3171-00671-1 Gaia DR2 2065530178735979520
 
 
WDS 20555+4112 ES 1686 : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
20555+4112 ES 1686 1917 1 193 6.0 9.82 13.30 F8 205529.04+411154.2
20555+4112 ES 1686 2011 2 196 7.6 9.82 13.30 F8 205529.04+411154.2
20555+4112 ES 1686 2015 5 196 7.7 9.82 13.30 F8 205529.04+411154.2

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

 
 
WDS 20555+4112 ES 1686 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20555+4112 ES 1686 : MEASURES
 
 
No records found.

 
 
WDS 20555+4112 : VIRTUAL EYEPIECE
 
 

20555+4112 ES 1686A mag 9.82 Sp F8 20555+4112 ES 1686B sep 7.5 P.A. 191.80 mag 13.3 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 20555+4112 : ALADIN DSS IMAGE @ 20h 55m 29.04s +41° 11' 54.2"
 
 
 
 
WDS 20555+4112 ES 1686 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20555+4112 ES 1686 distance=0' 20542+4111 ES 1684 distance=15' 20539+4115 KPP1503 distance=18' 20569+4122 LDS2471 distance=19' 20572+4110 HDS2986 distance=20' 20576+4058 A 400 distance=28' 20546+4042 ES 1685BC distance=32' 20546+4042 ES 1685AB distance=32' 20539+4139 BRT2280 distance=33' 20544+4042 STT 420 distance=33' 20585+4121 BLL 53 distance=35' 20534+4139 ES 1574 distance=37' 20581+4043 COU2430AB distance=42' 20581+4043 COU2430AB,C distance=42' 20525+4138 LDS2463 distance=44' 20516+4106 ES 1683 distance=45' 20519+4140 COU2428 distance=50' 20514+4134 LDS2460 distance=52' 20510+4125 COU2427 distance=52' 20509+4123 LDS2458 distance=53' 20508+4120 TDT2575 distance=54' 20511+4051 TDT2578 distance=55' 20526+4024 GRV 391 distance=58' 20547+4211 CVR 233 distance=60' 20534+4208 LDS2464 distance=62' 20553+4218 OSO 137AB distance=67' 20553+4218 OSO 137AC distance=67' 20553+4218 OSO 137AD distance=67' 20553+4218 OSO 137AE distance=67' 20553+4218 OSO 137AF distance=67' 20553+4218 OSO 137AG distance=67' 20550+4219 LDS2467 distance=68' 20556+4004 TDT2634 distance=68' 20599+4016 HDS2989Da,Db distance=68' 20599+4016 RAO 72DE distance=68' 21002+4027 TDT2688 distance=70' 20520+4009 MLB 955 distance=74' 21019+4055 TDT2704 distance=75' 20599+4016 COU2431Aa,Ab distance=76' 20599+4016 ENG 79AB distance=76' 20599+4016 LEP 98AD distance=76' 20599+4016 BUP 221AC distance=76' 20599+4016 LSC 1Aa1,2 distance=76' 21014+4037 HDS2995 distance=76' 20599+4016 BUP 221BC distance=77' 21027+4130 LDS2482 distance=78' 20495+4035 COU2426 distance=78' 20553+4231 STT 423 distance=79' 20599+4016 SEI1363CR distance=80' 20558+3951 LDS2469 distance=82' 21023+4139 ROE 21 distance=83' 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 20555+4112 ES 1686 196 7.7
Show 20542+4111 ES 1684 277 7.9 15
Show 20539+4115 KPP1503 94 11.3 18
Show 20569+4122 LDS2471 43 3.2 19
Show 20572+4110 HDS2986 176 0.1 20
Show 20576+4058 A 400 69 1.9 28
Show 20546+4042 ES 1685 BC 74 2.8 32
Show 20546+4042 ES 1685 AB 73 24.2 32
Show 20539+4139 BRT2280 192 5.0 33
Show 20544+4042 STT 420 2 5.8 33
Show 20585+4121 BLL 53 352 169.0 35
Show 20534+4139 ES 1574 158 1.4 37
Show 20581+4043 COU2430 AB 254 0.4 42
Show 20581+4043 COU2430 AB,C 176 3.0 42
Show 20525+4138 LDS2463 151 27.8 44
Show 20516+4106 ES 1683 205 5.2 45
Show 20519+4140 COU2428 113 0.7 50
Show 20514+4134 LDS2460 195 8.4 52
Show 20510+4125 COU2427 312 0.5 52
Show 20509+4123 LDS2458 123 14.1 53
Show 20508+4120 TDT2575 4 2.6 54
Show 20511+4051 TDT2578 81 2.6 55
Show 20526+4024 GRV 391 144 59.5 58
Show 20547+4211 CVR 233 235 61.5 60
Show 20534+4208 LDS2464 331 43.8 62
Show 20553+4218 OSO 137 AB 116 10.8 67
Show 20553+4218 OSO 137 AC 225 11.6 67
Show 20553+4218 OSO 137 AD 276 14.3 67
Show 20553+4218 OSO 137 AE 295 14.9 67
Show 20553+4218 OSO 137 AF 137 16.8 67
Show 20553+4218 OSO 137 AG 346 25.0 67
Show 20550+4219 LDS2467 193 20.0 68
Show 20556+4004 TDT2634 54 1.9 68
Show 20599+4016 HDS2989 Da,Db 143 0.1 68
Show 20599+4016 RAO 72 DE 118 19.8 68
Show 21002+4027 TDT2688 104 0.5 70
Show 20520+4009 MLB 955 27 6.6 74
Show 21019+4055 TDT2704 316 1.1 75
Show 20599+4016 COU2431 Aa,Ab 205 2.2 76
Show 20599+4016 ENG 79 AB 219 165.9 76
Show 20599+4016 LEP 98 AD 258 999.9 76
Show 20599+4016 BUP 221 AC 154 210.3 76
Show 20599+4016 LSC 1 Aa1,2 257 0.0 76
Show 21014+4037 HDS2995 97 0.1 76
Show 20599+4016 BUP 221 BC 107 203.7 77
Show 21027+4130 LDS2482 53 3.0 78
Show 20495+4035 COU2426 328 1.2 78
Show 20553+4231 STT 423 76 2.7 79
Show 20599+4016 SEI1363 CR 37 8.7 80
Show 20558+3951 LDS2469 2 3.3 82
Show 21023+4139 ROE 21 224 9.1 83

 
 
WDS 20555+4112 : COMPONENTS
 
 
  A
B pa=191.8°
sep=7.54"
 
 
20555+4112 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 205529.04+411154.2 Mag 9.82 Spectral class F8 (yellow-white)
PmRA -7.00 PmDE -11.0 Tycho2 3171-00671-1
Tycho2
Tycho2 3171-00671-1 Pflag RAmdeg 313.87099330 DEmdeg 41.19839129
PmRA -6.8 PmDE -10.4 E RAmdeg 16 E DEmdeg 16
E pmRA 1.4 E pmDE 1.4 EpRAm 1990.32 EpDEm 1990.39
Num 3 Q RAmdeg 0.0 Q DEmdeg 0.2 Q pmRA 0.0
Q pmDE 0.2 BTmag 10.449 E BTmag 0.030 VTmag 9.821
E VTmag 0.024 Prox 999 TYC T HIP
CCDM RAdeg 313.87101417 DEdeg 41.19841528 EpRA 1990 1.67
EpDE 1990 1.75 E RAdeg 15.9 E DEdeg 15.8 Posflg
Corr 0.1
CCDM
Ccdm 20555+4112 RComp Comp A Note1
Note2 Discov num DRAs -0.99 DDEs -7.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.7 Sp F8 PmNote *
PmRA -9 PmDE -29 Dm number +40 4358 Cat1 BD
Name2 +41 1982 Cat2 AGK2/3 HD M HD
ADS BDS A14435 M ADS BDS N IDS IDS 20518N4049A
HIC
 
 
20555+4112 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205528.90+411146.8 Mag 13.3 Calc delta mag 3.48
Calc coord yes
CCDM
Ccdm 20555+4112 RComp Comp B Note1
Note2 Discov num ES 1686 DRAs DDEs
R dRAs Year 1917 Theta 193 Rho 6.0
Obs 1 Vmag 13.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14435 M ADS BDS N IDS IDS 20518N4049B
HIC