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Doubles in session


Current system
20540+5711
ES 135 AC


Nearby doubles
23' : 20553+5651
A 752

27' : 20567+5656
A 755

29' : 20538+5739
OSW 76

34' : 20562+5742
HJ 1595

41' : 20495+5728
MLB 86

47' : 20567+5618
ROE 89

48' : 20599+5714
ES 136

52' : 20500+5751
CVR 232

53' : 21005+5709
STI2557

65' : 21019+5704
BU 1139

74' : 21021+5640
STF2751

74' : 20454+5735
ENG 76AB

80' : 20483+5815
MLR 360

85' : 20472+5607
KR 52

93' : 20470+5825
HDS2961

95' : 20475+5553
HJ 1580

96' : 20423+5723
BU 152

99' : 20585+5539
A 1686

101' : 20443+5610
A 1684

102' : 20493+5845
STTA211

103' : 20416+5730
LDS1476AB

104' : 20577+5849
A 756AB

105' : 20412+5659
HJ 1570AB

110' : 21062+5628
TDT2747

113' : 20424+5611
VKI 47

113' : 21045+5558
KPP4223



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.

20540+5711 ES 135 AC

 
 
20h 53m 59.20s +57° 10' 32.0" P.A. 115.00 sep 71.7 mag 7.22,12.44 Sp A0
 
 
Coord 2000 20540+5711 Discov num ES  135 Comp AC Coord arcsec 2000 20 53 59.20 +57 10 32.0
Date first 1923 Date last 2015 Obs 8
Pa first 117 Pa last 115.2 P.A. Now (θ) 115.2°
Sep first 71.8 Sep last 71.686 Sep. Now (ρ) 71.686"
Mag pri 7.22 Mag sec 12.44 delta mag (ΔM) 5.22 Spectral class A0 (white)
Pri motion ra -005 Sec motion ra +003
Pri motion dec -013 Sec motion dec -001
Notes
rPM=1.035
This double is not physical.
 
 
20540+5711 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 199331 32981 20 53 59 +57 10 32 ES 135 AB 2015 10 199 7.1 7.22 11.40 4.18
Show 32981 20 53 59 +57 10 32 ES 135 AC 2015 8 115 71.7 7.22 12.44 5.22 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cepheus SAO 32981 Tycho2 3960-00816-1 Gaia DR2 2190088319129165824
HD 199331
 
 
WDS 20540+5711 ES 135 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
20540+5711 ES 135 AC 2000 2 116 71.7 7.22 11.50 D 205359.20+571032.0
20540+5711 ES 135 AC 2003 3 115 71.4 7.22 11.50 D 205359.20+571032.0
20540+5711 ES 135 AC 2015 4 115 71.6 7.22 12.44 A0 205359.20+571032.0

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

 
 
WDS 20540+5711 ES 135 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20540+5711 ES 135 AC : MEASURES
 
 
No records found.

 
 
WDS 20540+5711 : VIRTUAL EYEPIECE
 
 

20540+5711 ES 135A mag 7.22 Sp A0 20540+5711 ES 135B sep 6.8 P.A. 190.60 mag 11.4 20540+5711 ES 135C sep 46.6 P.A. 131.00 mag 12.44 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 20540+5711 : ALADIN DSS IMAGE @ 20h 53m 59.20s +57° 10' 32.0"
 
 
 
 
WDS 20540+5711 ES 135 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20540+5711 ES 135AC distance=0' 20553+5651 A 752 distance=23' 20567+5656 A 755 distance=27' 20538+5739 OSW 76 distance=29' 20562+5742 HJ 1595 distance=34' 20495+5728 MLB 86 distance=41' 20567+5618 ROE 89 distance=47' 20599+5714 ES 136 distance=48' 20500+5751 CVR 232 distance=52' 21005+5709 STI2557 distance=53' 21019+5704 BU 1139 distance=65' 21021+5640 STF2751 distance=74' 20454+5735 CIA 1Aa,Ab distance=74' 20454+5735 ENG 76AB distance=74' 20483+5815 MLR 360 distance=80' 20472+5607 KR 52 distance=85' 20470+5825 HDS2961 distance=93' 20475+5553 HJ 1580 distance=95' 20423+5723 BU 152 distance=96' 20585+5539 A 1686 distance=99' 20443+5610 A 1684 distance=101' 20493+5845 STTA211 distance=102' 20577+5849 YSC 117Da,Db distance=102' 20416+5730 LDS1476AB distance=103' 20416+5730 OSO 130AC distance=103' 20577+5849 A 756AB distance=104' 20577+5849 A 756AC distance=104' 20577+5849 ARN 34AD distance=104' 20412+5659 HJ 1570AB distance=105' 20412+5659 VBS 32AC distance=105' 21062+5628 TDT2747 distance=110' 20424+5611 VKI 47 distance=113' 21045+5558 KPP4223 distance=113' 20559+5906 A 754 distance=117' 20400+5647 OSW 78 distance=117' 20422+5606 OSW 74 distance=117' 21047+5831 HDS3002 distance=118' 21090+5654 RAO 447 distance=124' 20404+5615 OSW 73 distance=125' 20537+5918 A 751 distance=128' 21067+5556 TDT2753 distance=129' 20509+5918 MLR 240 distance=130' 21101+5715 STI2561 distance=131' 20454+5906 ES 2700 distance=134' 20381+5637 A 745 distance=135' 20444+5902 KR 51 distance=135' 21031+5519 ES 1001 distance=136' 21106+5710 ES 1760 distance=136' 20383+5629 FOX 38 distance=137' 21085+5603 PET 1 distance=138' 20389+5820 TDT2449 distance=140' 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 20540+5711 ES 135 AB 199 7.1
Show 20540+5711 ES 135 AC 115 71.7
Show 20553+5651 A 752 8 1.2 23
Show 20567+5656 A 755 189 0.1 27
Show 20538+5739 OSW 76 326 145.5 29
Show 20562+5742 HJ 1595 313 11.6 34
Show 20495+5728 MLB 86 149 4.6 41
Show 20567+5618 ROE 89 241 5.5 47
Show 20599+5714 ES 136 159 4.2 48
Show 20500+5751 CVR 232 319 112.1 52
Show 21005+5709 STI2557 131 8.1 53
Show 21019+5704 BU 1139 136 2.1 65
Show 21021+5640 STF2751 356 1.6 74
Show 20454+5735 CIA 1 Aa,Ab 105 0.1 74
Show 20454+5735 ENG 76 AB 146 48.4 74
Show 20483+5815 MLR 360 295 0.2 80
Show 20472+5607 KR 52 64 4.6 85
Show 20470+5825 HDS2961 39 0.1 93
Show 20475+5553 HJ 1580 245 10.9 95
Show 20423+5723 BU 152 82 1.2 96
Show 20585+5539 A 1686 282 1.9 99
Show 20443+5610 A 1684 141 2.1 101
Show 20493+5845 STTA211 268 94.9 102
Show 20577+5849 YSC 117 Da,Db 341 0.1 102
Show 20416+5730 LDS1476 AB 267 11.6 103
Show 20416+5730 OSO 130 AC 233 23.6 103
Show 20577+5849 A 756 AB 210 0.6 104
Show 20577+5849 A 756 AC 197 54.0 104
Show 20577+5849 ARN 34 AD 265 215.4 104
Show 20412+5659 HJ 1570 AB 79 14.0 105
Show 20412+5659 VBS 32 AC 345 15.4 105
Show 21062+5628 TDT2747 26 0.4 110
Show 20424+5611 VKI 47 340 2.3 113
Show 21045+5558 KPP4223 236 1.9 113
Show 20559+5906 A 754 6 1.0 117
Show 20400+5647 OSW 78 233 186.1 117
Show 20422+5606 OSW 74 88 127.2 117
Show 21047+5831 HDS3002 327 0.2 118
Show 21090+5654 RAO 447 234 3.5 124
Show 20404+5615 OSW 73 250 188.6 125
Show 20537+5918 A 751 52 0.2 128
Show 21067+5556 TDT2753 31 0.7 129
Show 20509+5918 MLR 240 22 0.2 130
Show 21101+5715 STI2561 183 14.2 131
Show 20454+5906 ES 2700 297 15.5 134
Show 20381+5637 A 745 313 2.4 135
Show 20444+5902 KR 51 181 1.4 135
Show 21031+5519 ES 1001 32 3.6 136
Show 21106+5710 ES 1760 29 2.1 136
Show 20383+5629 FOX 38 301 5.4 137
Show 21085+5603 PET 1 343 0.2 138

 
 
WDS 20540+5711 : COMPONENTS
 
 
  A B
B pa=190.6°
sep=6.79"
 
C pa=131.0°
sep=46.56"
pa=123.2°
sep=43.52"
 
 
20540+5711 A
 
 
Name HD 199331 Coord arcsec 2000 205359.20+571032.0 Mag 7.22 Spectral class A0 (white)
PmRA -5.00 PmDE -12.0 SAO 32981 Tycho2 3960-00816-1
HD 199331 GC 29189 DM BD+56 2509
Tycho2
Tycho2 3960-00816-1 Pflag RAmdeg 313.49669544 DEmdeg 57.17556555
PmRA -5.4 PmDE -13.4 E RAmdeg 4 E DEmdeg 4
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.37 EpDEm 1991.44
Num 12 Q RAmdeg 1.2 Q DEmdeg 2.2 Q pmRA 1.2
Q pmDE 2.3 BTmag 7.268 E BTmag 0.015 VTmag 7.222
E VTmag 0.010 Prox 999 TYC T HIP
CCDM RAdeg 313.49671861 DEdeg 57.17559694 EpRA 1990 1.65
EpDE 1990 1.66 E RAdeg 4.0 E DEdeg 4.1 Posflg
Corr 0.0
SAO
SAO 32981 DelFlag RA1950 PmRA1950 -0.0037
DE1950 PmDE1950 0.011 Vmag 7.3 SpType A0
Double code Source 70 CatNum 29189 DM BD+56 2509
DMcomp BDsup HD 199331 M HD 0
GC 29189 RA1950rad 5.46581723 DE1950rad 0.99457578 PmRA2000 -0.0033
PmDE2000 0.008
CCDM
Ccdm 20540+5711 RComp Comp A Note1
Note2 Discov num DRAs -0.81 DDEs -27.9
R dRAs 10 Year Theta Rho
Obs 3 Vmag 7.3 Sp A0 PmNote *
PmRA -13 PmDE -6 Dm number +56 2509 Cat1 BD
Name2 +56 1429 Cat2 AGK2/3 HD 199331 M HD
ADS BDS A14415 M ADS BDS N IDS IDS 20514N5648A
HIC
 
 
20540+5711 B
 
 
Coord arcsec 2000 205359.05+571025.3 Mag 11.4 Calc delta mag 4.18 Calc coord yes
CCDM
Ccdm 20540+5711 RComp Comp B Note1
Note2 Discov num ES 135 DRAs DDEs
R dRAs Year 1902 Theta 196 Rho 6.6
Obs 4 Vmag 11.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14415 M ADS BDS N IDS IDS 20514N5648B
HIC
 
 
20540+5711 C
 
 
Coord arcsec 2000 205403.52+571001.5 Mag 12.44 PmRA 3.00 PmDE -1.0
Calc delta mag 5.22 Calc coord yes
CCDM
Ccdm 20540+5711 RComp Comp C Note1
Note2 Discov num ES 135 DRAs DDEs
R dRAs Year 1923 Theta 117 Rho 71.8
Obs 1 Vmag 11.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14415 M ADS BDS N IDS IDS 20514N5648C
HIC