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Doubles in session


Current system
18121+3559
ES 2171


Nearby doubles
17' : 18111+3544
JNN 116

29' : 18093+3547
ES 2170

37' : 18144+3602
HU 1188

51' : 18088+3638
KPP1404

52' : 18144+3636
TDT 757

53' : 18114+3506
ALI 140

55' : 18157+3615
KPP4096

58' : 18090+3511
HO 80

60' : 18080+3642
ES 183

61' : 18121+3459
TDT 734

63' : 18079+3514
UC 3499

64' : 18163+3625
HU 1291

68' : 18167+3623
COU1304

74' : 18056+3618
AHD 1

76' : 18101+3713
ES 2480

80' : 18081+3449
POP 211

81' : 18050+3619
LDS4774

84' : 18176+3637
HTP 5AB
Chason

84' : 18058+3512
TDT 678

87' : 18043+3557
JOD 14

92' : 18094+3432
HU 1187

93' : 18165+3451
DAM 105

95' : 18172+3703
COU1305

96' : 18171+3453
COU 12

97' : 18070+3440
ES 2286

98' : 18157+3723
ES 2664



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.

18121+3559 ES 2171

 
 
18h 11m 26.86s +35° 59' 27.0" P.A. 68.00 sep 4.0 mag 12.00,12.34
 
 
Coord 2000 18121+3559 Discov num ES 2171 Comp Coord arcsec 2000 18 11 26.86 +35 59 27.0
Date first 1925 Date last 2015 Obs 4
Pa first 70 Pa last 68.1 P.A. Now (θ) 68.1°
Sep first 3.8 Sep last 3.982 Sep. Now (ρ) 3.982"
Mag pri 12.00 Mag sec 12.34 delta mag (ΔM) 0.34 Spectral class
Pri motion ra -008 Sec motion ra +036
Pri motion dec +030 Sec motion dec +007
Notes I (Identification uncertain)
rPM=1.354
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Tycho2 2634-00998-1 Gaia DR2 4606627131071082496
 
 
WDS 18121+3559 ES 2171 : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
18121+3559 ES 2171 1925 1 70 3.8 11.00 11.50
18121+3559 ES 2171 1998 2 68 4.0 12.00 12.34 D 181126.86+355927.0
18121+3559 ES 2171 2002 3 69 3.9 12.00 12.34 DI 181126.86+355927.0
18121+3559 ES 2171 2015 4 68 4.0 12.00 12.34 I 181126.86+355927.0

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

 
 
WDS 18121+3559 ES 2171 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18121+3559 ES 2171 : MEASURES
 
 
No records found.

 
 
WDS 18121+3559 : VIRTUAL EYEPIECE
 
 

18121+3559 ES 2171A mag 12 18121+3559 ES 2171B sep 3.3 P.A. 63.60 mag 12.34 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 18121+3559 : ALADIN DSS IMAGE @ 18h 11m 26.86s +35° 59' 27.0"
 
 
 
 
WDS 18121+3559 ES 2171 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18121+3559 ES 2171 distance=0' 18111+3544 JNN 116 distance=17' 18093+3547 ES 2170 distance=29' 18144+3602 HU 1188 distance=37' 18088+3638 KPP1404 distance=51' 18144+3636 TDT 757 distance=52' 18114+3506 ALI 140 distance=53' 18157+3615 KPP4096 distance=55' 18090+3511 HO 80 distance=58' 18080+3642 ES 183 distance=60' 18121+3459 TDT 734 distance=61' 18079+3514 UC 3499 distance=63' 18163+3625 HU 1291 distance=64' 18167+3623 COU1304 distance=68' 18056+3618 AHD 1 distance=74' 18101+3713 ES 2480 distance=76' 18081+3449 POP 211 distance=80' 18050+3619 LDS4774 distance=81' 18176+3637 HTP 5AB (Chason) distance=84' 18176+3637 HTP 5AC (Chason) distance=84' 18176+3637 HTP 5AD (Chason) distance=84' 18058+3512 TDT 678 distance=84' 18043+3557 JOD 14 distance=87' 18094+3432 HU 1187 distance=92' 18165+3451 DAM 105 distance=93' 18172+3703 COU1305 distance=95' 18171+3453 COU 12 distance=96' 18070+3440 ES 2286 distance=97' 18157+3723 ES 2664 distance=98' 18154+3433 SEI 562 distance=100' 18177+3455 ES 2231 distance=100' 18119+3417 SEI 561 distance=102' 18200+3611 ALI 376 distance=105' 18056+3727 ES 2109AB distance=113' 18056+3727 DAM 306AC distance=113' 18056+3727 ES 2109AD distance=113' 18118+3406 DAM 630 distance=113' 18207+3547 COU1148 distance=114' 18208+3547 DAM 107 distance=115' 18111+3403 SEI 560 distance=117' 18025+3643 ES 2479 distance=117' 18052+3430 CBL 74AB distance=119' 18102+3402 STF2291 distance=119' 18210+3630 ES 2110 distance=120' 18208+3639 COU1306 distance=120' 18094+3756 ALI 609 distance=120' 18104+3356 SEI 559 distance=125' 18011+3558 POP 210AB distance=126' 18011+3558 CVE 2DE distance=127' 18011+3558 POP 210BC distance=127' 18036+3731 COU1147 distance=132' 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 18121+3559 ES 2171 68 4.0
Show 18111+3544 JNN 116 27 5.3 17
Show 18093+3547 ES 2170 259 7.6 29
Show 18144+3602 HU 1188 119 1.9 37
Show 18088+3638 KPP1404 352 10.5 51
Show 18144+3636 TDT 757 12 2.0 52
Show 18114+3506 ALI 140 250 14.3 53
Show 18157+3615 KPP4096 76 1.5 55
Show 18090+3511 HO 80 188 0.5 58
Show 18080+3642 ES 183 169 8.4 60
Show 18121+3459 TDT 734 165 2.1 61
Show 18079+3514 UC 3499 106 69.7 63
Show 18163+3625 HU 1291 52 0.3 64
Show 18167+3623 COU1304 82 1.4 68
Show 18056+3618 AHD 1 278 39.8 74
Show 18101+3713 ES 2480 355 4.5 76
Show 18081+3449 POP 211 292 2.9 80
Show 18050+3619 LDS4774 268 302.4 81
Show Chason 18176+3637 HTP 5 AB 236 6.1 84
Show Chason 18176+3637 HTP 5 AC 194 7.1 84
Show Chason 18176+3637 HTP 5 AD 268 4.3 84
Show 18058+3512 TDT 678 236 0.7 84
Show 18043+3557 JOD 14 339 0.3 87
Show 18094+3432 HU 1187 77 2.1 92
Show 18165+3451 DAM 105 146 7.0 93
Show 18172+3703 COU1305 186 1.8 95
Show 18171+3453 COU 12 209 1.9 96
Show 18070+3440 ES 2286 176 5.4 97
Show 18157+3723 ES 2664 83 9.2 98
Show 18154+3433 SEI 562 327 27.2 100
Show 18177+3455 ES 2231 257 7.6 100
Show 18119+3417 SEI 561 155 20.8 102
Show 18200+3611 ALI 376 240 13.5 105
Show 18056+3727 ES 2109 AB 147 4.3 113
Show 18056+3727 DAM 306 AC 331 18.8 113
Show 18056+3727 ES 2109 AD 350 41.8 113
Show 18118+3406 DAM 630 40 15.0 113
Show 18207+3547 COU1148 74 1.5 114
Show 18208+3547 DAM 107 305 7.7 115
Show 18111+3403 SEI 560 35 30.3 117
Show 18025+3643 ES 2479 232 9.9 117
Show 18052+3430 CBL 74 AB 245 11.2 119
Show 18102+3402 STF2291 340 29.9 119
Show 18210+3630 ES 2110 96 6.5 120
Show 18208+3639 COU1306 42 0.5 120
Show 18094+3756 ALI 609 207 13.3 120
Show 18104+3356 SEI 559 171 11.5 125
Show 18011+3558 POP 210 AB 266 79.8 126
Show 18011+3558 CVE 2 DE 226 2.5 127
Show 18011+3558 POP 210 BC 135 2.9 127
Show 18036+3731 COU1147 175 0.7 132

 
 
WDS 18121+3559 : COMPONENTS
 
 
  A
B pa=63.6°
sep=3.34"
 
 
18121+3559 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 181126.86+355927.0 Mag 12 PmRA -8.00
PmDE 30.0
 
 
18121+3559 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 181127.11+355928.5 Mag 12.34 PmRA 36.00
PmDE 7.0 Tycho2 2634-00998-1 Calc delta mag 0.34 Calc coord yes
Tycho2
Tycho2 2634-00998-1 Pflag RAmdeg 272.86319666 DEmdeg 35.99138922
PmRA 37.3 PmDE 24.7 E RAmdeg 116 E DEmdeg 106
E pmRA 5.5 E pmDE 5.3 EpRAm 1980.10 EpDEm 1982.09
Num 3 Q RAmdeg 2.9 Q DEmdeg 1.7 Q pmRA 3.0
Q pmDE 1.7 BTmag 14.035 E BTmag 0.454 VTmag 12.342
E VTmag 0.208 Prox 555 TYC HIP
CCDM RAdeg 272.86307500 DEdeg 35.99132778 EpRA 1990 1.40
EpDE 1990 1.62 E RAdeg 132.2 E DEdeg 117.7 Posflg
Corr 0.0