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Doubles in session


Current system
18027+5552
ES 79 AB


Nearby doubles
23' : 18053+5550
SLE 137

34' : 18029+5626
STF2278AB

36' : 18005+5624
SZM 1

46' : 18077+5608
SLE 140

47' : 18025+5638
LDS4772

56' : 18075+5514
STI2369

58' : 18077+5632
SLE 139

62' : 17554+5558
HJL1097

62' : 18007+5453
ES 640

62' : 17562+5621
LDS4768

77' : 18004+5704
STI2364

79' : 18106+5512
STI2370

80' : 18048+5435
ES 641

82' : 17556+5458
CVR 866

86' : 18127+5557
ES 643

93' : 18086+5710
TDT 704

97' : 17535+5652
LDS1457
Grumium

100' : 17598+5416
ES 780

104' : 17511+5523
HO 71

107' : 18138+5646
TDT 747

108' : 18127+5446
MLR 585

109' : 18064+5408
UC 3494

113' : 17563+5731
ES 1744

114' : 17530+5713
MLB 75

115' : 18026+5358
ES 781

119' : 17585+5359
KPP 697



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.

18027+5552 ES 79 AB

 
 
18h 02m 39.77s +55° 52' 04.6" P.A. 56.00 sep 6.3 mag 10.72,12.90 Sp F5
 
 
Coord 2000 18027+5552 Discov num ES   79 Comp AB Coord arcsec 2000 18 02 39.77 +55 52 04.6
Date first 1901 Date last 2019 Obs 17
Pa first 81 Pa last 55.8 P.A. Now (θ) 55.8°
Sep first 5.6 Sep last 6.26 Sep. Now (ρ) 6.26"
Mag pri 10.72 Mag sec 12.90 delta mag (ΔM) 2.18 Spectral class F5 (yellow-white)
Pri motion ra -006 Sec motion ra -020
Pri motion dec -005 Sec motion dec +020
Notes
rPM=1.013
This double is not physical.
 
 
18027+5552 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 02 40 +55 52 05 ES 79 AB 2019 17 56 6.3 10.72 12.90 2.18 <===
Show HD 238800 18 02 40 +55 52 05 ES 79 AC 2016 24 93 24.6 10.72 10.86 0.14
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco Tycho2 3907-00123-1 Gaia DR2 2150271773267075328 HD 238800
 
 
WDS 18027+5552 ES 79 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
18027+5552 ES 79 AB 2000 8 59 6.2 10.72 12.90 F5 D 180239.77+555204.6
18027+5552 ES 79 AB 2011 9 57 6.2 10.72 12.90 F5 D 180239.77+555204.6
18027+5552 ES 79 AB 2015 11 56 6.3 10.72 12.90 F5 180239.77+555204.6
18027+5552 ES 79 AB 2019 17 56 6.3 10.72 12.90 F5 180239.77+555204.6

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

 
 
WDS 18027+5552 ES 79 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18027+5552 ES 79 AB : MEASURES
 
 
No records found.

 
 
WDS 18027+5552 : VIRTUAL EYEPIECE
 
 

18027+5552 ES 79A mag 10.72 Sp F5 18027+5552 ES 79B sep 4.6 P.A. 39.50 mag 12.9 18027+5552 ES 79C sep 13.9 P.A. 95.20 mag 10.86 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 18027+5552 : ALADIN DSS IMAGE @ 18h 02m 39.77s +55° 52' 04.6"
 
 
 
 
WDS 18027+5552 ES 79 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18027+5552 ES 79AB distance=0' 18053+5550 SLE 137 distance=23' 18029+5626 STF2278DS distance=31' 18029+5626 STF2278AB distance=34' 18029+5626 STF2278AD distance=34' 18029+5626 SLE 128AE distance=34' 18029+5626 SLE 128AF distance=34' 18029+5626 SLE 128AG distance=34' 18029+5626 STF2278AC distance=34' 18029+5626 STF2278BC distance=35' 18005+5624 SZM 1 distance=36' 18077+5608 SLE 140 distance=46' 18025+5638 LDS4772 distance=47' 18075+5514 STI2369 distance=56' 18077+5632 SLE 139 distance=58' 17554+5558 HJL1097 distance=62' 18007+5453 ES 640 distance=62' 17562+5621 LDS4768 distance=62' 18004+5704 STI2364 distance=77' 18106+5512 STI2370 distance=79' 18048+5435 ES 641 distance=80' 17556+5458 CVR 866 distance=82' 18127+5557 ES 643 distance=86' 18086+5710 TDT 704 distance=93' 17535+5652 LDS1457 (Grumium) distance=97' 17598+5416 ES 780 distance=100' 17511+5523 HO 71 distance=104' 18138+5646 TDT 747 distance=107' 18147+5635 BU 1274BC distance=108' 18147+5635 BU 1274BD distance=108' 18127+5446 MLR 585 distance=108' 18064+5408 UC 3494 distance=109' 18147+5635 BU 1274A,BC distance=110' 17563+5731 ES 1744 distance=113' 17530+5713 MLB 75 distance=114' 18026+5358 ES 781 distance=115' 17585+5359 KPP 697 distance=119' 17510+5709 STI2360 distance=124' 18174+5604 KPP4101BD distance=124' 18174+5604 KPP4101AB distance=124' 18174+5604 KPP4101AC distance=124' 18140+5717 TDT 751 distance=127' 18048+5344 HDS2546 distance=130' 17571+5755 STI2363 distance=132' 17543+5357 A 1885 distance=136' 18154+5720 HDS2577 distance=137' 17462+5613 STI2357 distance=140' 17480+5707 MLB1077AB distance=143' 17480+5707 MLB1077AC distance=143' 17461+5526 UC 3400 distance=143' 17469+5503 UC 3403 distance=144' 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 18027+5552 ES 79 AB 56 6.3
Show 18027+5552 ES 79 AC 93 24.6
Show 18053+5550 SLE 137 171 9.3 23
Show 18029+5626 STF2278 DS 213 6.7 31
Show 18029+5626 STF2278 AB 31 35.1 34
Show 18029+5626 STF2278 AD 189 197.9 34
Show 18029+5626 SLE 128 AE 279 46.4 34
Show 18029+5626 SLE 128 AF 278 85.2 34
Show 18029+5626 SLE 128 AG 250 127.2 34
Show 18029+5626 STF2278 AC 38 33.6 34
Show 18029+5626 STF2278 BC 146 6.0 35
Show 18005+5624 SZM 1 87 20.4 36
Show 18077+5608 SLE 140 166 6.8 46
Show 18025+5638 LDS4772 346 9.9 47
Show 18075+5514 STI2369 188 15.4 56
Show 18077+5632 SLE 139 333 6.6 58
Show 17554+5558 HJL1097 49 351.6 62
Show 18007+5453 ES 640 77 8.4 62
Show 17562+5621 LDS4768 55 24.1 62
Show 18004+5704 STI2364 299 16.8 77
Show 18106+5512 STI2370 295 5.4 79
Show 18048+5435 ES 641 64 2.1 80
Show 17556+5458 CVR 866 359 11.8 82
Show 18127+5557 ES 643 49 3.9 86
Show 18086+5710 TDT 704 305 0.6 93
Show Grumium 17535+5652 LDS1457 290 315.7 97
Show 17598+5416 ES 780 124 4.0 100
Show 17511+5523 HO 71 226 3.8 104
Show 18138+5646 TDT 747 140 1.0 107
Show 18147+5635 BU 1274 BC 144 1.0 108
Show 18147+5635 BU 1274 BD 5 5.3 108
Show 18127+5446 MLR 585 335 0.4 108
Show 18064+5408 UC 3494 285 22.6 109
Show 18147+5635 BU 1274 A,BC 238 93.7 110
Show 17563+5731 ES 1744 266 7.4 113
Show 17530+5713 MLB 75 324 2.9 114
Show 18026+5358 ES 781 281 4.3 115
Show 17585+5359 KPP 697 94 6.2 119
Show 17510+5709 STI2360 232 9.9 124
Show 18174+5604 KPP4101 BD 133 7.6 124
Show 18174+5604 KPP4101 AB 327 53.1 124
Show 18174+5604 KPP4101 AC 326 56.8 124
Show 18140+5717 TDT 751 20 0.7 127
Show 18048+5344 HDS2546 236 0.6 130
Show 17571+5755 STI2363 279 14.4 132
Show 17543+5357 A 1885 81 0.4 136
Show 18154+5720 HDS2577 330 0.2 137
Show 17462+5613 STI2357 171 11.9 140
Show 17480+5707 MLB1077 AB 215 4.3 143
Show 17480+5707 MLB1077 AC 28 23.5 143
Show 17461+5526 UC 3400 151 7.4 143

 
 
WDS 18027+5552 : COMPONENTS
 
 
  A B
B pa=39.5°
sep=4.56"
 
C pa=95.2°
sep=13.86"
pa=113.6°
sep=11.90"
 
 
18027+5552 A
 
 
Coord arcsec 2000 180239.77+555204.6 Mag 10.72 Spectral class F5 (yellow-white) PmRA -6.00
PmDE -5.0 Tycho2 3907-00123-1 HD 238800
Tycho2
Tycho2 3907-00123-1 Pflag RAmdeg 270.66573963 DEmdeg 55.86796415
PmRA -1.3 PmDE -7.1 E RAmdeg 33 E DEmdeg 32
E pmRA 1.8 E pmDE 1.9 EpRAm 1984.45 EpDEm 1985.54
Num 6 Q RAmdeg 0.7 Q DEmdeg 1.4 Q pmRA 0.7
Q pmDE 1.4 BTmag 11.079 E BTmag 0.053 VTmag 10.715
E VTmag 0.060 Prox 246 TYC T HIP
CCDM RAdeg 270.66574361 DEdeg 55.86798000 EpRA 1990 1.61
EpDE 1990 1.61 E RAdeg 35.6 E DEdeg 33.8 Posflg
Corr 0.0
CCDM
Ccdm 18027+5552 RComp Comp A Note1
Note2 Discov num DRAs -2.30 DDEs 4.6
R dRAs 10 Year Theta Rho
Obs 3 Vmag 10.4 Sp F5 PmNote *
PmRA -17 PmDE -7 Dm number +55 2014 Cat1 BD
Name2 +55 1135 Cat2 AGK2/3 HD 238800 M HD
ADS BDS A11027 M ADS BDS N IDS IDS 18008N5552A
HIC
 
 
18027+5552 B
 
 
Coord arcsec 2000 180240.12+555208.1 Mag 12.9 PmRA -20.00 PmDE 20.0
Calc delta mag 2.18 Calc coord yes
CCDM
Ccdm 18027+5552 RComp Comp B Note1
Note2 Discov num ES 79 DRAs DDEs
R dRAs Year 1925 Theta 075 Rho 5.6
Obs 5 Vmag 12.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11027 M ADS BDS N IDS IDS 18008N5552B
HIC
 
 
18027+5552 C
 
 
Coord arcsec 2000 180241.41+555203.4 Mag 10.86 PmRA 2.00 PmDE -3.0
Tycho2 3907-00119-1 Calc delta mag 0.14 Calc coord yes
Tycho2
Tycho2 3907-00119-1 Pflag RAmdeg 270.67791662 DEmdeg 55.86762026
PmRA 2.0 PmDE -6.5 E RAmdeg 38 E DEmdeg 39
E pmRA 1.8 E pmDE 1.9 EpRAm 1980.88 EpDEm 1981.63
Num 8 Q RAmdeg 1.6 Q DEmdeg 1.1 Q pmRA 1.6
Q pmDE 1.1 BTmag 12.082 E BTmag 0.127 VTmag 10.855
E VTmag 0.064 Prox 246 TYC T HIP
CCDM RAdeg 270.67791389 DEdeg 55.86763472 EpRA 1990 1.63
EpDE 1990 1.61 E RAdeg 49.6 E DEdeg 46.5 Posflg
Corr 0.0
CCDM
Ccdm 18027+5552 RComp Comp C Note1
Note2 Discov num ES 79 DRAs DDEs
R dRAs Year 1901 Theta 093 Rho 24.7
Obs 5 Vmag 11.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11027 M ADS BDS N IDS IDS 18008N5552C
HIC