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Current system
18138+5341
ES 645


Nearby doubles
24' : 18116+5329
VBS 27

27' : 18111+5330
AG 217

35' : 18176+5333
UC 3546

36' : 18178+5342
UC 3547

39' : 18097+5329
BEM 31

40' : 18182+5337
MLR 586

43' : 18169+5309
CBL 76AB

51' : 18091+5314
FMR 139

51' : 18091+5312
MLR 584

60' : 18133+5242
A 1376

62' : 18174+5433
STI2372

63' : 18207+5330
TDT 808

66' : 18127+5446
MLR 585

71' : 18064+5408
UC 3494

72' : 18134+5230
ES 644

74' : 18132+5228
TDT 740

74' : 18221+5336
BEM 32

80' : 18048+5344
HDS2546

80' : 18051+5322
TOK 614

90' : 18105+5217
KPP4089

93' : 18238+5318
YSC 66

93' : 18152+5209
ES 646

94' : 18232+5425
HDS2600

95' : 18244+5331
BEM 33

96' : 18048+5435
ES 641

96' : 18106+5512
STI2370



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.

18138+5341 ES 645

 
 
18h 13m 47.16s +53° 41' 10.0" P.A. 84.00 sep 3.1 mag 8.94,12.70 Sp K5
 
 
Coord 2000 18138+5341 Discov num ES  645 Comp Coord arcsec 2000 18 13 47.16 +53 41 10.0
Date first 1908 Date last 2021 Obs 9
Pa first 89 Pa last 83.6 P.A. Now (θ) 83.6°
Sep first 2.8 Sep last 3.1 Sep. Now (ρ) 3.1"
Mag pri 8.94 Mag sec 12.70 delta mag (ΔM) 3.76 Spectral class K5 (yellow-orange)
Pri motion ra -002 Sec motion ra
Pri motion dec -010 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco SAO 30826 Tycho2 3904-01517-1 Gaia DR2 2149488096353729152
HD 234594
 
 
WDS 18138+5341 ES 645 : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
18138+5341 ES 645 1987 4 83 3.3 8.94 12.70 K5 181347.16+534110.0
18138+5341 ES 645 2019 7 82 3.3 8.94 12.70 K5 181347.16+534110.0
18138+5341 ES 645 2021 9 84 3.1 8.94 12.70 K5 181347.16+534110.0

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

 
 
WDS 18138+5341 ES 645 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18138+5341 ES 645 : MEASURES
 
 
No records found.

 
 
WDS 18138+5341 : VIRTUAL EYEPIECE
 
 

18138+5341 ES 645A mag 8.94 Sp K5 18138+5341 ES 645B sep 1.9 P.A. 79.30 mag 12.7 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 18138+5341 : ALADIN DSS IMAGE @ 18h 13m 47.16s +53° 41' 10.0"
 
 
 
 
WDS 18138+5341 ES 645 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18138+5341 ES 645 distance=0' 18116+5329 VBS 27 distance=24' 18111+5330 AG 217 distance=27' 18176+5333 UC 3546 distance=35' 18178+5342 UC 3547 distance=36' 18097+5329 BEM 31 distance=39' 18182+5337 MLR 586 distance=40' 18169+5309 CBL 76AB distance=43' 18091+5314 FMR 139 distance=51' 18091+5312 MLR 584 distance=51' 18133+5242 A 1376 distance=60' 18174+5433 STI2372 distance=62' 18207+5330 TDT 808 distance=63' 18127+5446 MLR 585 distance=66' 18064+5408 UC 3494 distance=71' 18134+5230 ES 644 distance=72' 18132+5228 TDT 740 distance=74' 18221+5336 BEM 32 distance=74' 18048+5344 HDS2546 distance=80' 18051+5322 TOK 614 distance=80' 18105+5217 KPP4089 distance=90' 18238+5318 YSC 66 distance=93' 18152+5209 ES 646 distance=93' 18232+5425 HDS2600 distance=94' 18244+5331 BEM 33 distance=95' 18048+5435 ES 641 distance=96' 18106+5512 STI2370 distance=96' 18026+5358 ES 781 distance=101' 18027+5312 TDT 650 distance=103' 18259+5338 FMR 140 distance=108' 18075+5514 STI2369 distance=109' 18221+5222 ES 648 distance=109' 18265+5404 UC 3583 distance=116' 18126+5146 KPP4093 distance=116' 18091+5153 WIS 325 distance=116' 18109+5139 ES 642 distance=125' 18000+5316 A 1886 distance=126' 17598+5416 ES 780 distance=128' 17599+5304 HO 563AB distance=131' 17599+5304 HO 563AC distance=131' 18054+5155 COU2513 distance=131' 18003+5251 STF2271AB distance=131' 18003+5251 STF2271AC distance=131' 18007+5453 ES 640 distance=135' 18127+5557 ES 643 distance=136' 18249+5517 CRB 204 distance=137' 17585+5359 KPP 697 distance=137' 18012+5217 KPP 407 distance=142' 18162+5120 STF2305AB distance=144' 18162+5120 STF2305AC distance=144' 18207+5131 RAO 388 distance=145' 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 18138+5341 ES 645 84 3.1
Show 18116+5329 VBS 27 27 21.9 24
Show 18111+5330 AG 217 238 14.4 27
Show 18176+5333 UC 3546 122 28.6 35
Show 18178+5342 UC 3547 305 9.4 36
Show 18097+5329 BEM 31 306 11.8 39
Show 18182+5337 MLR 586 194 0.6 40
Show 18169+5309 CBL 76 AB 8 44.8 43
Show 18091+5314 FMR 139 149 22.2 51
Show 18091+5312 MLR 584 177 2.7 51
Show 18133+5242 A 1376 22 0.3 60
Show 18174+5433 STI2372 105 8.8 62
Show 18207+5330 TDT 808 271 2.2 63
Show 18127+5446 MLR 585 335 0.4 66
Show 18064+5408 UC 3494 285 22.6 71
Show 18134+5230 ES 644 26 9.3 72
Show 18132+5228 TDT 740 9 0.7 74
Show 18221+5336 BEM 32 315 7.9 74
Show 18048+5344 HDS2546 236 0.6 80
Show 18051+5322 TOK 614 83 999.9 80
Show 18105+5217 KPP4089 336 2.6 90
Show 18238+5318 YSC 66 43 0.9 93
Show 18152+5209 ES 646 197 10.8 93
Show 18232+5425 HDS2600 21 0.1 94
Show 18244+5331 BEM 33 46 8.0 95
Show 18048+5435 ES 641 64 2.1 96
Show 18106+5512 STI2370 295 5.4 96
Show 18026+5358 ES 781 281 4.3 101
Show 18027+5312 TDT 650 125 1.1 103
Show 18259+5338 FMR 140 84 16.2 108
Show 18075+5514 STI2369 188 15.4 109
Show 18221+5222 ES 648 1 5.0 109
Show 18265+5404 UC 3583 144 43.0 116
Show 18126+5146 KPP4093 337 6.0 116
Show 18091+5153 WIS 325 82 999.9 116
Show 18109+5139 ES 642 273 7.2 125
Show 18000+5316 A 1886 339 4.7 126
Show 17598+5416 ES 780 124 4.0 128
Show 17599+5304 HO 563 AB 184 0.7 131
Show 17599+5304 HO 563 AC 243 69.8 131
Show 18054+5155 COU2513 54 1.0 131
Show 18003+5251 STF2271 AB 267 3.5 131
Show 18003+5251 STF2271 AC 17 160.8 131
Show 18007+5453 ES 640 77 8.4 135
Show 18127+5557 ES 643 49 3.9 136
Show 18249+5517 CRB 204 103 12.1 137
Show 17585+5359 KPP 697 94 6.2 137
Show 18012+5217 KPP 407 54 4.8 142
Show 18162+5120 STF2305 AB 334 5.1 144
Show 18162+5120 STF2305 AC 197 94.5 144
Show 18207+5131 RAO 388 51 0.2 145

 
 
WDS 18138+5341 : COMPONENTS
 
 
  A
B pa=79.3°
sep=1.86"
 
 
18138+5341 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 181347.16+534110.0 Mag 8.94 Spectral class K5 (yellow-orange)
PmRA -2.00 PmDE -10.0 SAO 30826 Tycho2 3904-01517-1
HD 234594 DM BD+53 2054
Tycho2
Tycho2 3904-01517-1 Pflag RAmdeg 273.44650202 DEmdeg 53.68612941
PmRA -11.1 PmDE -8.0 E RAmdeg 11 E DEmdeg 11
E pmRA 1.2 E pmDE 1.2 EpRAm 1989.83 EpDEm 1990.19
Num 8 Q RAmdeg 2.4 Q DEmdeg 0.6 Q pmRA 2.3
Q pmDE 0.7 BTmag 10.741 E BTmag 0.041 VTmag 8.938
E VTmag 0.015 Prox 999 TYC T HIP
CCDM RAdeg 273.44653944 DEdeg 53.68614833 EpRA 1990 1.60
EpDE 1990 1.66 E RAdeg 12.2 E DEdeg 11.4 Posflg
Corr 0.1
SAO
SAO 30826 DelFlag RA1950 PmRA1950 -0.0006
DE1950 PmDE1950 0.002 Vmag 8.5 SpType K5
Double code Source 37 CatNum 5519 DM BD+53 2054
DMcomp BDsup HD 234594 M HD 0
GC RA1950rad 4.76795953 DE1950rad 0.93672104 PmRA2000 0.0001
PmDE2000 0.003
CCDM
Ccdm 18138+5341 RComp Comp A Note1
Note2 Discov num DRAs -0.71 DDEs 9.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.5 Sp K5 PmNote *
PmRA -1 PmDE -24 Dm number +53 2054 Cat1 BD
Name2 +53 1125 Cat2 AGK2/3 HD 234594 M HD
ADS BDS A11200 M ADS BDS N IDS IDS 18117N5339A
HIC
 
 
18138+5341 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 181347.37+534110.3 Mag 12.7 Calc delta mag 3.76
Calc coord yes
CCDM
Ccdm 18138+5341 RComp Comp B Note1
Note2 Discov num ES 645 DRAs DDEs
R dRAs Year 1908 Theta 086 Rho 2.9
Obs 2 Vmag 12.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11200 M ADS BDS N IDS IDS 18117N5339B
HIC