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Doubles in session


Current system
18026+5358
ES 781


Nearby doubles
25' : 18048+5344
HDS2546

31' : 17598+5416
ES 780

35' : 18064+5408
UC 3494

36' : 17585+5359
KPP 697

42' : 18048+5435
ES 641

42' : 18051+5322
TOK 614

47' : 18027+5312
TDT 650

48' : 18000+5316
A 1886

58' : 18007+5453
ES 640

60' : 17599+5304
HO 563AB

67' : 17571+5313
TDT 595

69' : 18097+5329
BEM 31

70' : 18003+5251
STF2271AB

73' : 18091+5314
FMR 139

73' : 18091+5312
MLR 584

74' : 17543+5357
A 1885

81' : 18111+5330
AG 217

85' : 18116+5329
VBS 27

86' : 17556+5458
CVR 866

88' : 18075+5514
STI2369

95' : 17521+5344
TOI1261

101' : 18138+5341
ES 645

101' : 18127+5446
MLR 585

102' : 18012+5217
KPP 407

102' : 18106+5512
STI2370

109' : 17504+5414
OL 89



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.

18026+5358 ES 781

 
 
18h 02m 36.00s +53° 57' 37.3" P.A. 281.00 sep 4.3 mag 10.72,13.00
 
 
Coord 2000 18026+5358 Discov num ES  781 Comp Coord arcsec 2000 18 02 36.00 +53 57 37.3
Date first 1909 Date last 2019 Obs 8
Pa first 277 Pa last 281.3 P.A. Now (θ) 281.3°
Sep first 3.5 Sep last 4.267 Sep. Now (ρ) 4.267"
Mag pri 10.72 Mag sec 13.00 delta mag (ΔM) 2.28 Spectral class
Pri motion ra +006 Sec motion ra
Pri motion dec -006 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco Tycho2 3903-00736-1 Gaia DR2 2125677794097514368
 
 
WDS 18026+5358 ES 781 : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
18026+5358 ES 781 2000 2 282 4.3 10.72 13.00 D 180236.00+535737.3
18026+5358 ES 781 2015 3 281 4.3 10.72 13.00 180236.00+535737.3
18026+5358 ES 781 2019 7 281 4.3 10.72 13.00 180236.00+535737.3

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

 
 
WDS 18026+5358 ES 781 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18026+5358 ES 781 : MEASURES
 
 
No records found.

 
 
WDS 18026+5358 : VIRTUAL EYEPIECE
 
 

18026+5358 ES 781A mag 10.72 18026+5358 ES 781B sep 2.6 P.A. 288.80 mag 13 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 18026+5358 : ALADIN DSS IMAGE @ 18h 02m 36.00s +53° 57' 37.3"
 
 
 
 
WDS 18026+5358 ES 781 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18026+5358 ES 781 distance=0' 18048+5344 HDS2546 distance=25' 17598+5416 ES 780 distance=31' 18064+5408 UC 3494 distance=35' 17585+5359 KPP 697 distance=36' 18048+5435 ES 641 distance=42' 18051+5322 TOK 614 distance=42' 18027+5312 TDT 650 distance=47' 18000+5316 A 1886 distance=48' 18007+5453 ES 640 distance=58' 17599+5304 HO 563AB distance=60' 17599+5304 HO 563AC distance=60' 17571+5313 TDT 595 distance=67' 18097+5329 BEM 31 distance=69' 18003+5251 STF2271AB distance=70' 18003+5251 STF2271AC distance=70' 18091+5314 FMR 139 distance=73' 18091+5312 MLR 584 distance=73' 17543+5357 A 1885 distance=74' 18111+5330 AG 217 distance=81' 18116+5329 VBS 27 distance=85' 17556+5458 CVR 866 distance=86' 18075+5514 STI2369 distance=88' 17521+5344 TOI1261 distance=95' 18138+5341 ES 645 distance=101' 18127+5446 MLR 585 distance=101' 18012+5217 KPP 407 distance=102' 18106+5512 STI2370 distance=102' 17504+5414 OL 89 distance=109' 17581+5213 STF2261AB distance=113' 17581+5213 WAL 87AC distance=113' 18027+5552 ES 79AB distance=115' 18027+5552 ES 79AC distance=115' 18053+5550 SLE 137 distance=115' 18133+5242 A 1376 distance=122' 18105+5217 KPP4089 distance=123' 18054+5155 COU2513 distance=126' 18132+5228 TDT 740 distance=132' 18134+5230 ES 644 distance=132' 17511+5523 HO 71 distance=133' 18174+5433 STI2372 distance=135' 18176+5333 UC 3546 distance=136' 18178+5342 UC 3547 distance=136' 17554+5558 HJL1097 distance=136' 18169+5309 CBL 76AB distance=137' 18077+5608 SLE 140 distance=138' 18091+5153 WIS 325 distance=138' 18182+5337 MLR 586 distance=140' 18029+5626 STF2278DS distance=145' 17462+5357 HDS2511 distance=145' 18127+5557 ES 643 distance=148' 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 18026+5358 ES 781 281 4.3
Show 18048+5344 HDS2546 236 0.6 25
Show 17598+5416 ES 780 124 4.0 31
Show 18064+5408 UC 3494 285 22.6 35
Show 17585+5359 KPP 697 94 6.2 36
Show 18048+5435 ES 641 64 2.1 42
Show 18051+5322 TOK 614 83 999.9 42
Show 18027+5312 TDT 650 125 1.1 47
Show 18000+5316 A 1886 339 4.7 48
Show 18007+5453 ES 640 77 8.4 58
Show 17599+5304 HO 563 AB 184 0.7 60
Show 17599+5304 HO 563 AC 243 69.8 60
Show 17571+5313 TDT 595 77 0.5 67
Show 18097+5329 BEM 31 306 11.8 69
Show 18003+5251 STF2271 AB 267 3.5 70
Show 18003+5251 STF2271 AC 17 160.8 70
Show 18091+5314 FMR 139 149 22.2 73
Show 18091+5312 MLR 584 177 2.7 73
Show 17543+5357 A 1885 81 0.4 74
Show 18111+5330 AG 217 238 14.4 81
Show 18116+5329 VBS 27 27 21.9 85
Show 17556+5458 CVR 866 359 11.8 86
Show 18075+5514 STI2369 188 15.4 88
Show 17521+5344 TOI1261 317 1.7 95
Show 18138+5341 ES 645 84 3.1 101
Show 18127+5446 MLR 585 335 0.4 101
Show 18012+5217 KPP 407 54 4.8 102
Show 18106+5512 STI2370 295 5.4 102
Show 17504+5414 OL 89 173 0.8 109
Show 17581+5213 STF2261 AB 261 9.6 113
Show 17581+5213 WAL 87 AC 57 64.4 113
Show 18027+5552 ES 79 AB 56 6.3 115
Show 18027+5552 ES 79 AC 93 24.6 115
Show 18053+5550 SLE 137 171 9.3 115
Show 18133+5242 A 1376 22 0.3 122
Show 18105+5217 KPP4089 336 2.6 123
Show 18054+5155 COU2513 54 1.0 126
Show 18132+5228 TDT 740 9 0.7 132
Show 18134+5230 ES 644 26 9.3 132
Show 17511+5523 HO 71 226 3.8 133
Show 18174+5433 STI2372 105 8.8 135
Show 18176+5333 UC 3546 122 28.6 136
Show 18178+5342 UC 3547 305 9.4 136
Show 17554+5558 HJL1097 49 351.6 136
Show 18169+5309 CBL 76 AB 8 44.8 137
Show 18077+5608 SLE 140 166 6.8 138
Show 18091+5153 WIS 325 82 999.9 138
Show 18182+5337 MLR 586 194 0.6 140
Show 18029+5626 STF2278 DS 213 6.7 145
Show 17462+5357 HDS2511 97 0.4 145
Show 18127+5557 ES 643 49 3.9 148

 
 
WDS 18026+5358 : COMPONENTS
 
 
  A
B pa=288.8°
sep=2.60"
 
 
18026+5358 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 180236.00+535737.3 Mag 10.72 PmRA 6.00
PmDE -6.0 Tycho2 3903-00736-1
Tycho2
Tycho2 3903-00736-1 Pflag RAmdeg 270.65002351 DEmdeg 53.96037826
PmRA 5.6 PmDE -6.3 E RAmdeg 29 E DEmdeg 27
E pmRA 1.7 E pmDE 1.6 EpRAm 1984.78 EpDEm 1985.49
Num 7 Q RAmdeg 1.6 Q DEmdeg 1.4 Q pmRA 1.5
Q pmDE 1.4 BTmag 11.278 E BTmag 0.065 VTmag 10.723
E VTmag 0.059 Prox 999 TYC T HIP
CCDM RAdeg 270.65004139 DEdeg 53.96038778 EpRA 1990 1.58
EpDE 1990 1.64 E RAdeg 40.1 E DEdeg 35.3 Posflg
Corr 0.1
 
 
18026+5358 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 180235.72+535738.1 Mag 13 Calc delta mag 2.28
Calc coord yes