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Current system
20044+4359
ES 2687


Nearby doubles
6' : 20038+4359
HJ 1472AB

7' : 20041+4405
ARG 89

7' : 20038+4401
KOI5486

9' : 20046+4406
KOI 522

9' : 20039+4405
KOI3074AB

10' : 20035+4358
KOI5480

11' : 20035+4405
KOI5485

11' : 20049+4408
KOI7005

14' : 20039+4411
ES 85AB

16' : 20041+4414
KOI7020

16' : 20040+4414
KOI1132

18' : 20029+4406
KOI2822AB

19' : 20051+4415
KOI3318AB

20' : 20026+4403
KOI4634

20' : 20042+4418
KOI5512

20' : 20025+4403
KOI6990

22' : 20060+4348
TDT1973

23' : 20023+4402
KOI6989

23' : 20023+4359
KOI4314

24' : 20035+4420
KOI 116AB

24' : 20037+4421
KOI4724AB

25' : 20046+4423
KOI4407AB

25' : 20056+4419
KOI1135AB

26' : 20023+4413
KOI4790

26' : 20063+4414
KOI4567

28' : 20018+4356
KOI1012



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.

20044+4359 ES 2687

 
 
20h 04m 20.17s +43° 58' 40.2" P.A. 324.00 sep 8.6 mag 12.29,12.80
 
 
Coord 2000 20044+4359 Discov num ES 2687 Comp Coord arcsec 2000 20 04 20.17 +43 58 40.2
Date first 1892 Date last 2015 Obs 11
Pa first 339 Pa last 324.2 P.A. Now (θ) 324.2°
Sep first 9.2 Sep last 8.566 Sep. Now (ρ) 8.566"
Mag pri 12.29 Mag sec 12.80 delta mag (ΔM) 0.51 Spectral class
Pri motion ra +007 Sec motion ra -006
Pri motion dec +001 Sec motion dec -009
Notes
rPM=1.516
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3162-01131-1 Gaia DR2 2075872528712239744
 
 
WDS 20044+4359 ES 2687 : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
20044+4359 ES 2687 1998 5 326 8.5 12.29 12.80 D 200420.17+435840.2
20044+4359 ES 2687 2003 6 326 8.6 12.29 12.80 D 200420.17+435840.2
20044+4359 ES 2687 2015 7 324 8.6 12.29 12.80 200420.17+435840.2

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

 
 
WDS 20044+4359 ES 2687 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20044+4359 ES 2687 : MEASURES
 
 
No records found.

 
 
WDS 20044+4359 : VIRTUAL EYEPIECE
 
 

20044+4359 ES 2687A mag 12.29 20044+4359 ES 2687B sep 7.8 P.A. 332.60 mag 12.8 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 20044+4359 : ALADIN DSS IMAGE @ 20h 04m 20.17s +43° 58' 40.2"
 
 
 
 
WDS 20044+4359 ES 2687 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20044+4359 ES 2687 distance=0' 20038+4359 HJ 1472AB distance=6' 20038+4359 CTT 9AC distance=6' 20041+4405 ARG 89 distance=7' 20038+4401 KOI5486 distance=7' 20046+4406 KOI 522 distance=9' 20039+4405 KOI3074AB distance=9' 20039+4405 KOI3074AC distance=9' 20035+4358 KOI5480 distance=10' 20035+4405 KOI5485 distance=11' 20049+4408 KOI7005 distance=11' 20039+4411 ES 85AB distance=14' 20039+4411 ES 85AC distance=14' 20039+4411 ES 85AD distance=14' 20041+4414 KOI7020 distance=16' 20040+4414 KOI1132 distance=16' 20029+4406 KOI2822AB distance=18' 20029+4406 KOI2822AC distance=18' 20051+4415 KOI3318AB distance=19' 20051+4415 KOI3318AC distance=19' 20051+4415 KOI3318AD distance=19' 20026+4403 KOI4634 distance=20' 20042+4418 KOI5512 distance=20' 20025+4403 KOI6990 distance=20' 20060+4348 TDT1973 distance=22' 20023+4402 KOI6989 distance=23' 20023+4359 KOI4314 distance=23' 20035+4420 KOI 116AB distance=24' 20035+4420 KOI 116AC distance=24' 20035+4420 KOI 116AD distance=24' 20035+4420 KOI 116AE distance=24' 20035+4420 KOI 116AF distance=24' 20035+4420 KOI 116AG distance=24' 20035+4420 KOI 116AH distance=24' 20035+4420 KOI 116AI distance=24' 20035+4420 KOI 116AJ distance=24' 20035+4420 KOI 116AK distance=24' 20037+4421 KOI4724AB distance=24' 20037+4421 KOI4724AC distance=24' 20046+4423 KOI4407AB distance=25' 20046+4423 KOI4407AC distance=25' 20046+4423 KOI4407AD distance=25' 20046+4423 KOI4407AE distance=25' 20056+4419 KOI1135AB distance=25' 20056+4419 KOI1135AC distance=25' 20023+4413 KOI4790 distance=26' 20063+4414 KOI4567 distance=26' 20018+4356 KOI1012 distance=28' 20068+4417 KOI1137AB distance=33' 20068+4417 KOI1137AC distance=33' 20054+4430 KOI1253 distance=33' 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 20044+4359 ES 2687 324 8.6
Show 20038+4359 HJ 1472 AB 222 15.4 6
Show 20038+4359 CTT 9 AC 129 59.2 6
Show 20041+4405 ARG 89 139 51.4 7
Show 20038+4401 KOI5486 333 0.3 7
Show 20046+4406 KOI 522 58 2.9 9
Show 20039+4405 KOI3074 AB 351 3.5 9
Show 20039+4405 KOI3074 AC 304 3.8 9
Show 20035+4358 KOI5480 174 3.5 10
Show 20035+4405 KOI5485 329 3.3 11
Show 20049+4408 KOI7005 203 3.5 11
Show 20039+4411 ES 85 AB 37 2.2 14
Show 20039+4411 ES 85 AC 86 10.6 14
Show 20039+4411 ES 85 AD 308 11.1 14
Show 20041+4414 KOI7020 24 3.0 16
Show 20040+4414 KOI1132 265 2.3 16
Show 20029+4406 KOI2822 AB 34 2.3 18
Show 20029+4406 KOI2822 AC 113 4.0 18
Show 20051+4415 KOI3318 AB 318 3.0 19
Show 20051+4415 KOI3318 AC 99 3.1 19
Show 20051+4415 KOI3318 AD 134 3.4 19
Show 20026+4403 KOI4634 276 0.3 20
Show 20042+4418 KOI5512 30 3.9 20
Show 20025+4403 KOI6990 191 3.0 20
Show 20060+4348 TDT1973 335 0.5 22
Show 20023+4402 KOI6989 206 3.6 23
Show 20023+4359 KOI4314 170 3.9 23
Show 20035+4420 KOI 116 AB 312 1.7 24
Show 20035+4420 KOI 116 AC 271 3.0 24
Show 20035+4420 KOI 116 AD 277 4.7 24
Show 20035+4420 KOI 116 AE 141 5.8 24
Show 20035+4420 KOI 116 AF 107 7.5 24
Show 20035+4420 KOI 116 AG 350 8.5 24
Show 20035+4420 KOI 116 AH 20 10.9 24
Show 20035+4420 KOI 116 AI 357 13.1 24
Show 20035+4420 KOI 116 AJ 141 13.8 24
Show 20035+4420 KOI 116 AK 114 13.5 24
Show 20037+4421 KOI4724 AB 31 3.1 24
Show 20037+4421 KOI4724 AC 182 3.0 24
Show 20046+4423 KOI4407 AB 299 2.5 25
Show 20046+4423 KOI4407 AC 311 2.7 25
Show 20046+4423 KOI4407 AD 205 2.3 25
Show 20046+4423 KOI4407 AE 189 4.1 25
Show 20056+4419 KOI1135 AB 257 2.6 25
Show 20056+4419 KOI1135 AC 354 3.6 25
Show 20023+4413 KOI4790 191 3.8 26
Show 20063+4414 KOI4567 142 1.3 26
Show 20018+4356 KOI1012 187 3.8 28
Show 20068+4417 KOI1137 AB 197 0.8 33
Show 20068+4417 KOI1137 AC 194 3.8 33
Show 20054+4430 KOI1253 159 3.5 33

 
 
WDS 20044+4359 : COMPONENTS
 
 
  A
B pa=332.6°
sep=7.83"
 
 
20044+4359 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 200420.17+435840.2 Mag 12.29 PmRA 7.00
PmDE 1.0 Tycho2 3162-01131-1
Tycho2
Tycho2 3162-01131-1 Pflag RAmdeg 301.08408111 DEmdeg 43.97785772
PmRA 3.9 PmDE 4.8 E RAmdeg 92 E DEmdeg 81
E pmRA 2.1 E pmDE 1.9 EpRAm 1965.37 EpDEm 1967.19
Num 3 Q RAmdeg 0.0 Q DEmdeg 0.0 Q pmRA 0.0
Q pmDE 0.1 BTmag 12.554 E BTmag 0.212 VTmag 12.286
E VTmag 0.207 Prox 999 TYC HIP
CCDM RAdeg 301.08406861 DEdeg 43.97784667 EpRA 1990 1.61
EpDE 1990 1.70 E RAdeg 106.5 E DEdeg 93.6 Posflg
Corr 0.0
 
 
20044+4359 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200419.84+435847.1 Mag 12.8 PmRA -6.00
PmDE -9.0 Calc delta mag 0.51 Calc coord yes