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Doubles in session


Current system
18156+4417
ES 1420 AB


Nearby doubles
10' : 18162+4423
ES 1421

24' : 18176+4409
RAO 386

29' : 18173+4355
A 577

37' : 18178+4351
A 578AB

37' : 18180+4351
UC 3549

45' : 18120+4355
ES 1419

52' : 18181+4334
A 579

58' : 18197+4453
ES 2665AB

60' : 18182+4509
HDS2588

64' : 18188+4510
WOL 2

68' : 18132+4315
A 576

71' : 18179+4311
KPP4103

76' : 18097+4334
CVR 868

79' : 18084+4407
HDS2554

84' : 18231+4439
COU1927

86' : 18103+4521
LDS4777

89' : 18094+4319
ES 1418

91' : 18130+4251
ES 473AB

91' : 18072+4430
BRT1914

93' : 18199+4258
ES 474

94' : 18092+4314
ES 1417AB

100' : 18064+4437
COU1926

107' : 18058+4400
LDS4775

108' : 18254+4440
BVD 262

113' : 18109+4242
ROE 5AB

114' : 18224+4545
A 700



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.

18156+4417 ES 1420 AB

 
 
18h 15m 33.41s +44° 16' 59.6" P.A. 66.00 sep 8.3 mag 10.22,11.40 Sp A0
 
 
Coord 2000 18156+4417 Discov num ES 1420 Comp AB Coord arcsec 2000 18 15 33.41 +44 16 59.6
Date first 1893 Date last 2016 Obs 15
Pa first 66 Pa last 65.8 P.A. Now (θ) 65.8°
Sep first 8.5 Sep last 8.349 Sep. Now (ρ) 8.349"
Mag pri 10.22 Mag sec 11.40 delta mag (ΔM) 1.18 Spectral class A0 (white)
Pri motion ra -003 Sec motion ra -005
Pri motion dec +013 Sec motion dec +012
Notes
rPM=0.168 (< 0.3, Physical double)
This double is physical.
 
 
18156+4417 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 15 33 +44 16 60 ES 1420 AB 2016 15 66 8.3 10.22 11.40 1.18 <===
Show 18 15 33 +44 16 60 ES 1420 AC 2015 10 9 14.6 10.22 14.50 4.28
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra Tycho2 3115-01661-1 Gaia DR2 2114919382057912832
 
 
WDS 18156+4417 ES 1420 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
18156+4417 ES 1420 AB 2006 6 67 9.3 10.22 11.40 A0 D 181533.41+441659.6
18156+4417 ES 1420 AB 2010 8 66 8.4 10.22 11.40 A0 181533.41+441659.6
18156+4417 ES 1420 AB 2015 9 66 8.4 10.22 11.40 A0 181533.41+441659.6
18156+4417 ES 1420 AB 2016 15 66 8.3 10.22 11.40 A0 181533.41+441659.6

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

 
 
WDS 18156+4417 ES 1420 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18156+4417 ES 1420 AB : MEASURES
 
 
No records found.

 
 
WDS 18156+4417 : VIRTUAL EYEPIECE
 
 

18156+4417 ES 1420A mag 10.22 Sp A0 18156+4417 ES 1420B sep 6.4 P.A. 57.90 mag 11.4 18156+4417 ES 1420C sep 14.6 P.A. 6.40 mag 14.5 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 18156+4417 : ALADIN DSS IMAGE @ 18h 15m 33.41s +44° 16' 59.6"
 
 
 
 
WDS 18156+4417 ES 1420 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18156+4417 ES 1420AB distance=0' 18162+4423 ES 1421 distance=10' 18176+4409 RAO 386 distance=24' 18173+4355 A 577 distance=29' 18178+4351 A 578Aa,Ab distance=37' 18178+4351 A 578AB distance=37' 18180+4351 UC 3549 distance=37' 18120+4355 ES 1419 distance=45' 18181+4334 A 579 distance=52' 18197+4453 ES 2665AB distance=58' 18197+4453 WAL 90AC distance=58' 18182+4509 HDS2588 distance=60' 18188+4510 WOL 2 distance=64' 18132+4315 A 576 distance=68' 18179+4311 KPP4103 distance=71' 18097+4334 CVR 868 distance=76' 18084+4407 HDS2554 distance=79' 18083+4406 KPP4086CD distance=79' 18231+4439 COU1927 distance=84' 18103+4521 LDS4777 distance=86' 18094+4319 ES 1418 distance=89' 18130+4251 ES 473BC distance=91' 18130+4251 ES 473AB distance=91' 18130+4251 SLV 6AC distance=91' 18072+4430 BRT1914 distance=91' 18199+4258 ES 474 distance=93' 18092+4314 ES 1417AB distance=94' 18092+4314 ES 1417BC distance=95' 18064+4437 COU1926 distance=100' 18058+4400 LDS4775 distance=107' 18254+4440 BVD 262 distance=108' 18109+4242 ROE 6CD distance=110' 18109+4242 ROE 5AB distance=113' 18109+4242 ROE 5AC distance=113' 18224+4545 A 700 distance=114' 18093+4555 WFC 205 distance=119' 18242+4540 UC 240 distance=124' 18258+4321 BRT1917 distance=125' 18075+4552 KUI 85 (Nova Hercules) distance=128' 18274+4355 POP 134CD distance=128' 18264+4326 HDS2606 distance=129' 18274+4355 POP 134AB distance=129' 18274+4355 POP 134AC distance=129' 18054+4306 COU1787 distance=131' 18055+4301 TDS 903 distance=134' 18221+4222 RAO 390 distance=136' 18030+4442 ES 1416 distance=136' 18108+4212 TDT 724 distance=136' 18240+4236 KPP 963 distance=137' 18025+4414 OLE 4Aa,Ab distance=141' 18025+4414 BU 1127AB distance=141' 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 18156+4417 ES 1420 AB 66 8.3
Show 18156+4417 ES 1420 AC 9 14.6
Show 18162+4423 ES 1421 345 11.8 10
Show 18176+4409 RAO 386 228 0.4 24
Show 18173+4355 A 577 304 0.7 29
Show 18178+4351 A 578 Aa,Ab 244 0.3 37
Show 18178+4351 A 578 AB 167 1.8 37
Show 18180+4351 UC 3549 159 20.7 37
Show 18120+4355 ES 1419 320 10.4 45
Show 18181+4334 A 579 340 1.5 52
Show 18197+4453 ES 2665 AB 21 9.9 58
Show 18197+4453 WAL 90 AC 334 77.1 58
Show 18182+4509 HDS2588 31 0.4 60
Show 18188+4510 WOL 2 183 1.3 64
Show 18132+4315 A 576 282 0.4 68
Show 18179+4311 KPP4103 295 1.9 71
Show 18097+4334 CVR 868 207 28.7 76
Show 18084+4407 HDS2554 205 0.1 79
Show 18083+4406 KPP4086 CD 236 2.9 79
Show 18231+4439 COU1927 27 1.1 84
Show 18103+4521 LDS4777 60 56.3 86
Show 18094+4319 ES 1418 303 4.3 89
Show 18130+4251 ES 473 BC 173 22.5 91
Show 18130+4251 ES 473 AB 98 30.7 91
Show 18130+4251 SLV 6 AC 129 42.8 91
Show 18072+4430 BRT1914 160 4.1 91
Show 18199+4258 ES 474 41 3.0 93
Show 18092+4314 ES 1417 AB 206 13.9 94
Show 18092+4314 ES 1417 BC 277 4.2 95
Show 18064+4437 COU1926 124 0.3 100
Show 18058+4400 LDS4775 53 15.7 107
Show 18254+4440 BVD 262 327 15.6 108
Show 18109+4242 ROE 6 CD 228 11.1 110
Show 18109+4242 ROE 5 AB 115 14.9 113
Show 18109+4242 ROE 5 AC 32 193.5 113
Show 18224+4545 A 700 128 0.6 114
Show 18093+4555 WFC 205 50 6.5 119
Show 18242+4540 UC 240 314 63.6 124
Show 18258+4321 BRT1917 53 3.6 125
Show Nova Hercules 18075+4552 KUI 85 130 3.1 128
Show 18274+4355 POP 134 CD 250 4.6 128
Show 18264+4326 HDS2606 49 1.0 129
Show 18274+4355 POP 134 AB 62 7.7 129
Show 18274+4355 POP 134 AC 285 66.8 129
Show 18054+4306 COU1787 325 0.4 131
Show 18055+4301 TDS 903 173 1.1 134
Show 18221+4222 RAO 390 234 3.3 136
Show 18030+4442 ES 1416 73 1.5 136
Show 18108+4212 TDT 724 56 0.5 136
Show 18240+4236 KPP 963 72 7.9 137
Show 18025+4414 OLE 4 Aa,Ab 319 0.1 141

 
 
WDS 18156+4417 : COMPONENTS
 
 
  A B
B pa=57.9°
sep=6.44"
 
C pa=6.4°
sep=14.55"
pa=340.8°
sep=11.68"
 
 
18156+4417 A
 
 
Coord arcsec 2000 181533.41+441659.6 Mag 10.22 Spectral class A0 (white) PmRA -3.00
PmDE 13.0 Tycho2 3115-01661-1
Tycho2
Tycho2 3115-01661-1 Pflag RAmdeg 273.88923499 DEmdeg 44.28323779
PmRA -2.7 PmDE 11.9 E RAmdeg 22 E DEmdeg 22
E pmRA 1.4 E pmDE 1.4 EpRAm 1989.19 EpDEm 1989.07
Num 3 Q RAmdeg 0.7 Q DEmdeg 0.5 Q pmRA 0.8
Q pmDE 0.6 BTmag 10.559 E BTmag 0.036 VTmag 10.216
E VTmag 0.036 Prox 999 TYC T HIP
CCDM RAdeg 273.88924389 DEdeg 44.28321000 EpRA 1990 1.68
EpDE 1990 1.59 E RAdeg 21.8 E DEdeg 22.2 Posflg
Corr 0.1
CCDM
Ccdm 18156+4417 RComp Comp A Note1
Note2 Discov num DRAs -2.74 DDEs 0.4
R dRAs 10 Year Theta Rho
Obs 3 Vmag 9.6 Sp PmNote *
PmRA -18 PmDE 31 Dm number +44 2861 Cat1 BD
Name2 +44 1467 Cat2 AGK2/3 HD M HD
ADS BDS A11218 M ADS BDS N IDS IDS 18126N4415A
HIC
 
 
18156+4417 B
 
 
Coord arcsec 2000 181533.92+441703.0 Mag 11.4 PmRA -5.00 PmDE 12.0
Calc delta mag 1.18 Calc coord yes
CCDM
Ccdm 18156+4417 RComp Comp B Note1
Note2 Discov num ES 1420 DRAs DDEs
R dRAs Year 1915 Theta 068 Rho 8.6
Obs 1 Vmag 10.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11218 M ADS BDS N IDS IDS 18126N4415B
HIC
 
 
18156+4417 C
 
 
Coord arcsec 2000 181533.56+441714.1 Mag 14.5 PmRA 0.00 PmDE 2.0
Calc delta mag 4.28 Calc coord yes
CCDM
Ccdm 18156+4417 RComp Comp C Note1
Note2 Discov num ES 1420 DRAs DDEs
R dRAs Year 1915 Theta 007 Rho 19.6
Obs 1 Vmag 13.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11218 M ADS BDS N IDS IDS 18126N4415C
HIC