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Current system
20563+4447
ES 675 AB


Nearby doubles
3' : 20565+4447
TOB 203

6' : 20558+4448
ES 674

6' : 20565+4452
LDS2470

10' : 20566+4455
TRN 30

10' : 20567+4439
BRT2283

10' : 20556+4453
COU2648

11' : 20574+4443
LDS2473

12' : 20574+4451
LDS2472

16' : 20549+4451
LDS2466

17' : 20579+4442
COU2649

25' : 20578+4425
LDS2474

27' : 20538+4443
LDS5914

27' : 20541+4507
STT 422

29' : 20583+4428
RBR 50

32' : 20542+4508
LDS5915

34' : 20596+4432
LDS2477

41' : 20532+4423
LSC 94

45' : 20525+4430
BRT2279

47' : 20521+4438
HER 18

47' : 20578+4530
ES 676

47' : 20535+4523
HDS2975

49' : 20579+4532
ES 677

55' : 20599+4525
HEI 15

57' : 20511+4459
LDS2459

62' : 20514+4519
ARG 40

63' : 20559+4345
COU2543



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.

20563+4447 ES 675 AB

 
 
20h 56m 18.01s +44° 46' 47.7" P.A. 272.00 sep 97.4 mag 9.64,11.70 Sp B9.5V
 
 
Coord 2000 20563+4447 Discov num ES  675 Comp AB Coord arcsec 2000 20 56 18.01 +44 46 47.7
Date first 1892 Date last 2016 Obs 10
Pa first 272 Pa last 271.7 P.A. Now (θ) 271.7°
Sep first 98.5 Sep last 97.44 Sep. Now (ρ) 97.44"
Mag pri 9.64 Mag sec 11.70 delta mag (ΔM) 2.06 Spectral class B9.5V (blue-white)
Pri motion ra -006 Sec motion ra -006
Pri motion dec -011 Sec motion dec +001
Notes
rPM=0.958
This double is not physical.
 
 
20563+4447 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 56 18 +44 46 48 ES 675 AB 2016 10 272 97.4 9.64 11.70 2.06 <===
Show 20 56 09 +44 46 51 ES 675 BC 2016 8 108 3.7 10.60 12.00 1.40
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3179-01068-1 Gaia DR2 2163020748046735872 ADS 14455
 
 
WDS 20563+4447 ES 675 AB : 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
20563+4447 ES 675 AB 2000 5 272 97.6 9.64 9.70 B9.5V D 205618.01+444647.7
20563+4447 ES 675 AB 2003 7 272 97.6 10.50 10.60 B9.5V D 205618.01+444647.7
20563+4447 ES 675 AB 2016 9 272 97.4 9.64 11.70 B9.5V 205618.01+444647.7

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

 
 
WDS 20563+4447 ES 675 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20563+4447 ES 675 AB : MEASURES
 
 
No records found.

 
 
WDS 20563+4447 : VIRTUAL EYEPIECE
 
 

20563+4447 ES 675A mag 9.64 Sp B9.5V 20563+4447 ES 675B sep 97.6 P.A. 271.70 mag 10.6 20563+4447 ES 675C sep 95.0 P.A. 271.10 mag 12 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 20563+4447 : ALADIN DSS IMAGE @ 20h 56m 18.01s +44° 46' 47.7"
 
 
 
 
WDS 20563+4447 ES 675 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20563+4447 ES 675AB distance=0' 20563+4447 ES 675BC distance=2' 20565+4447 TOB 203 distance=3' 20558+4448 ES 674 distance=6' 20565+4452 LDS2470 distance=6' 20566+4455 TRN 30 distance=10' 20567+4439 BRT2283 distance=10' 20556+4453 COU2648 distance=10' 20574+4443 LDS2473 distance=11' 20574+4451 LDS2472 distance=12' 20549+4451 LDS2466 distance=16' 20579+4442 COU2649 distance=17' 20578+4425 LDS2474 distance=25' 20538+4443 LDS5914 distance=27' 20541+4507 STT 422 distance=27' 20583+4428 RBR 50 distance=29' 20542+4508 LDS5915 distance=32' 20596+4432 LDS2477 distance=34' 20532+4423 LSC 94 distance=41' 20525+4430 BRT2279 distance=45' 20521+4438 HER 18 distance=47' 20578+4530 ES 676 distance=47' 20535+4523 HDS2975 distance=47' 20579+4532 ES 677 distance=49' 20599+4525 HEI 15 distance=55' 20511+4459 LDS2459 distance=57' 20514+4519 ARG 40 distance=62' 20559+4345 COU2543 distance=63' 20512+4415 CHN 31 distance=63' 20509+4421 CHN 30AB distance=64' 20509+4421 CHN 30Aa,Ab distance=64' 21010+4528 ES 1271 distance=65' 21022+4506 LDS2481 distance=66' 20504+4518 SMA 121 distance=66' 20506+4421 CHN 29 distance=67' 20519+4537 SMA 122 distance=69' 21018+4411 HO 600 distance=69' 20527+4547 TDT2597 distance=71' 20568+4335 BRT1957 distance=72' 20595+4339 LDS2478 distance=74' 20565+4333 BRT1139 distance=74' 20494+4452 TDS1103 distance=74' 20504+4525 LDS5912 distance=74' 20528+4551 COU2647 distance=74' 20494+4458 GRV 384 distance=74' 20500+4521 ES 2702 distance=75' 20520+4346 SKF2740BC distance=77' 20520+4346 STT 416AB distance=77' 20501+4404 STT 595AB distance=80' 20501+4404 STG 9AC distance=80' 20501+4404 FYM 92AD distance=80' 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 20563+4447 ES 675 AB 272 97.4
Show 20563+4447 ES 675 BC 108 3.7 2
Show 20565+4447 TOB 203 329 15.8 3
Show 20558+4448 ES 674 94 5.6 6
Show 20565+4452 LDS2470 306 13.5 6
Show 20566+4455 TRN 30 30 3.8 10
Show 20567+4439 BRT2283 339 6.0 10
Show 20556+4453 COU2648 21 1.3 10
Show 20574+4443 LDS2473 119 15.7 11
Show 20574+4451 LDS2472 254 1.7 12
Show 20549+4451 LDS2466 287 4.8 16
Show 20579+4442 COU2649 143 0.6 17
Show 20578+4425 LDS2474 235 14.5 25
Show 20538+4443 LDS5914 124 6.2 27
Show 20541+4507 STT 422 332 2.6 27
Show 20583+4428 RBR 50 76 0.4 29
Show 20542+4508 LDS5915 43 18.0 32
Show 20596+4432 LDS2477 285 8.0 34
Show 20532+4423 LSC 94 183 0.3 41
Show 20525+4430 BRT2279 5 4.5 45
Show 20521+4438 HER 18 85 60.7 47
Show 20578+4530 ES 676 293 7.6 47
Show 20535+4523 HDS2975 191 0.2 47
Show 20579+4532 ES 677 160 5.8 49
Show 20599+4525 HEI 15 321 0.9 55
Show 20511+4459 LDS2459 228 43.7 57
Show 20514+4519 ARG 40 250 9.2 62
Show 20559+4345 COU2543 222 1.6 63
Show 20512+4415 CHN 31 47 6.7 63
Show 20509+4421 CHN 30 AB 92 2.7 64
Show 20509+4421 CHN 30 Aa,Ab 108 0.6 64
Show 21010+4528 ES 1271 26 3.1 65
Show 21022+4506 LDS2481 16 12.1 66
Show 20504+4518 SMA 121 32 11.6 66
Show 20506+4421 CHN 29 52 5.3 67
Show 20519+4537 SMA 122 262 7.4 69
Show 21018+4411 HO 600 98 2.1 69
Show 20527+4547 TDT2597 327 1.3 71
Show 20568+4335 BRT1957 177 1.1 72
Show 20595+4339 LDS2478 125 2.2 74
Show 20565+4333 BRT1139 175 3.6 74
Show 20494+4452 TDS1103 200 0.8 74
Show 20504+4525 LDS5912 252 17.4 74
Show 20528+4551 COU2647 225 0.4 74
Show 20494+4458 GRV 384 222 22.1 74
Show 20500+4521 ES 2702 348 8.6 75
Show 20520+4346 SKF2740 BC 192 73.4 77
Show 20520+4346 STT 416 AB 117 9.6 77
Show 20501+4404 STT 595 AB 48 55.4 80
Show 20501+4404 STG 9 AC 83 102.7 80
Show 20501+4404 FYM 92 AD 242 51.8 80

 
 
WDS 20563+4447 : COMPONENTS
 
 
  A B
B pa=271.7°
sep=97.57"
 
C pa=271.1°
sep=95.02"
pa=114.3°
sep=2.77"
 
 
20563+4447 A
 
 
Coord arcsec 2000 205618.01+444647.7 Mag 9.64 Spectral class B9.5V (blue-white) PmRA -6.00
PmDE -11.0 Tycho2 3179-01068-1 ADS 14455 DM BD+44 3637
Tycho2
Tycho2 3179-01068-1 Pflag RAmdeg 314.07507808 DEmdeg 44.77992856
PmRA -5.0 PmDE -11.9 E RAmdeg 13 E DEmdeg 13
E pmRA 1.3 E pmDE 1.3 EpRAm 1990.08 EpDEm 1990.17
Num 4 Q RAmdeg 0.3 Q DEmdeg 0.8 Q pmRA 0.3
Q pmDE 0.7 BTmag 9.587 E BTmag 0.023 VTmag 9.644
E VTmag 0.027 Prox 999 TYC T HIP
CCDM RAdeg 314.07509472 DEdeg 44.77995611 EpRA 1990 1.75
EpDE 1990 1.82 E RAdeg 13.7 E DEdeg 13.8 Posflg
Corr 0.0
 
 
20563+4447 B
 
 
Coord arcsec 2000 205608.85+444650.6 Coord calc 205608.85+444650.6 Mag 10.6 PmRA -6.00
PmDE 1.0 Calc delta mag 0.96
 
 
20563+4447 C
 
 
Coord arcsec 2000 205609.09+444649.5 Mag 12 Calc delta mag 2.36 Calc coord yes