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Doubles in session


Current system
18340+5058
ES 785 AB
HD 234676


Nearby doubles
15' : 18340+5045
ES 786

24' : 18319+5110
ES 784

39' : 18372+5122
SLE 227

45' : 18339+5144
ZUC 16

49' : 18345+5147
HDS2634

53' : 18314+5144
SLE 194AB

54' : 18323+5149
SLE 205

57' : 18399+5106
ES 787

60' : 18402+5048
COU2515

74' : 18277+5016
LEP 158

74' : 18417+5108
HU 754

83' : 18339+5221
A 1377AB

87' : 18414+5150
SLE 239

94' : 18389+5221
STF2368AB

102' : 18344+5240
BEM 34

102' : 18291+4928
UC 3589

104' : 18283+4930
TDT 896

105' : 18238+5139
ES 187AB

112' : 18456+5119
KPP4119AB

113' : 18276+4926
COU2278

114' : 18387+5243
A 1379

116' : 18220+5122
UC 3560

119' : 18448+5201
HU 755

124' : 18272+4913
RAO 392

126' : 18263+4917
TDT 868

126' : 18466+5142
HU 756



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.

18340+5058 ES 785 AB (HD 234676)

 
 
18h 33m 58.79s +50° 58' 18.3" P.A. 98.00 sep 9.4 mag 9.56,10.00 Sp G0V
 
 
Coord 2000 18340+5058 Discov num ES  785 Comp AB Coord arcsec 2000 18 33 58.79 +50 58 18.3
Date first 1904 Date last 2018 Obs 18
Pa first 99 Pa last 98 P.A. Now (θ) 98°
Sep first 9.0 Sep last 9.402 Sep. Now (ρ) 9.402"
Mag pri 9.56 Mag sec 10.00 delta mag (ΔM) 0.44 Spectral class G0V (yellow)
Pri motion ra +007 Sec motion ra +017
Pri motion dec +105 Sec motion dec +098
Notes U (Proper motion indicates non-physical)
rPM=0.116 (< 0.3, Physical double)
This double is not physical.
 
 
18340+5058 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 234676 31050 18 33 59 +50 58 18 ES 785 AB 2018 18 98 9.4 9.56 10.00 0.44 <===
Show 31050 18 33 59 +50 58 18 ES 785 AC 2015 10 293 10.9 9.56 13.00 3.44
Show 31050 18 33 59 +50 58 18 ABH 102 AD 2015 8 17 54.2 9.52 15.13 5.61
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 234676 Constellation Draco SAO 31050 Tycho2 3539-00465-1
Gaia DR2 2145156879534315776 HD 234676
 
 
WDS 18340+5058 ES 785 AB (HD 234676) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
AbH1961 - Abt, H.A. 1961A&AS....6...37A
AbH1961 A&AS 6, 37, 1961
AbH1962 Po j Abt, H.A. Jeffers, H., Gibson, & Sandage, A. 1962ApJ...135..429A
AbH1962 ApJ 135, 429, 1962
AbH1964 - AbT, H.A. et al. 1964ApJ...139.1139A
AbH1964 ApJ 139, 1139, 1964
AbH1965 - Abt, H.A. 1965A&AS...11..429A
AbH1965 A&AS 11, 429, 1965
AbH1965b - Abt, H.A. et al. 1965ApJ...142.1604A
AbH1965b ApJ 142, 1604, 1965
AbH1972 - Abt. H.A. & Biggs, E.S. 1972bsrv.book.....A
AbH1972 Bibliography of Stellar Radial Velocities
AbH1972b not - Abt. H.A., Levy, S.G., & Gandet, T.L. 1972AJ.....77..138A
AbH1972b AJ 77, 138, 1972
AbH1973 - Abt, H.A. & Levy, S.G. 1973AJ.....78.1093A
AbH1973 AJ 78, 1093, 1973
AbH1976 orb - Abt, H.A. & Levy, S.G. 1976A&AS...30..273A
AbH1976 A&AS 30, 273, 1976
AbH1978 - Abt, H.A. & Levy, S.G. 1978A&AS...36..241A
AbH1978 A&AS 36, 241, 1978
AbH1985 - Abt, H.A. & Levy, S.G. 1985ApJS...59..229A
AbH1985 ApJS 59, 229, 1985
AbH1986 - Abt, H.A. 1986ApJ...304..688A
AbH1986 ApJ 304, 688, 1986
AbH2000 C u Abt, H.A. & Corbally, C.J. 2000ApJ...541..841A
AbH2000 ApJ 541, 841, 2000
AbH2000 (Multi-epoch astrometry, photometry, and spectroscopy to determine
AbH2000 optical/physical nature of members of possible Trapezium systems)
AbH2006 orb - Abt, H.A., & Willmarth, D. 2006ApJS..162..207A
AbH2006 ApJS 162, 207, 2006
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
18340+5058 ES 785 AB 2004 9 99 8.9 9.56 10.00 G0V D 183358.79+505818.3
18340+5058 ES 785 AB 2010 11 99 9.2 9.56 10.00 G0V U 183358.79+505818.3
18340+5058 ES 785 AB 2015 13 98 9.4 9.56 10.00 G0V U 183358.79+505818.3
18340+5058 ES 785 AB 2018 14 99 9.4 9.56 10.00 G0V U 183358.79+505818.3

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

 
 
WDS 18340+5058 ES 785 AB (HD 234676) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18340+5058 ES 785 AB (HD 234676) : MEASURES
 
 
No records found.

 
 
WDS 18340+5058 (HD 234676) : VIRTUAL EYEPIECE
 
 

18340+5058 ES 785A mag 9.56 Sp G0V 18340+5058 ES 785B sep 6.0 P.A. 102.60 mag 10 18340+5058 ES 785C sep 7.6 P.A. 303.30 mag 13 18340+5058 ABH 102D sep 52.8 P.A. 10.80 mag 15.13 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 18340+5058 (HD 234676) : ALADIN DSS IMAGE @ 18h 33m 58.79s +50° 58' 18.3"
 
 
 
 
WDS 18340+5058 ES 785 AB (HD 234676) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18340+5058 ES 785AB distance=0' 18340+5045 ES 786 distance=15' 18319+5110 ES 784 distance=24' 18372+5122 SLE 227 distance=39' 18339+5144 ZUC 16 distance=45' 18345+5147 HDS2634 distance=49' 18314+5144 SLE 194AB distance=53' 18314+5144 SLE 194AC distance=53' 18323+5149 SLE 205 distance=54' 18399+5106 ES 787 distance=57' 18402+5048 COU2515 distance=60' 18277+5016 LEP 158 distance=74' 18417+5108 HU 754 distance=74' 18339+5221 A 1377AB distance=83' 18339+5221 STF2348AB,C distance=83' 18339+5221 SLE 216AB,D distance=83' 18339+5221 SLE 216AB,E distance=83' 18414+5150 SLE 239 distance=87' 18389+5221 STF2368AB distance=94' 18389+5221 STF2368AC distance=94' 18344+5240 BEM 34 distance=102' 18291+4928 UC 3589 distance=102' 18283+4930 TDT 896 distance=104' 18238+5139 ES 187AB distance=105' 18238+5139 ES 187AC distance=105' 18456+5119 KPP4119AB distance=112' 18276+4926 COU2278 distance=113' 18387+5243 A 1379 distance=114' 18220+5122 UC 3560 distance=116' 18448+5201 HU 755 distance=119' 18272+4913 RAO 392 distance=124' 18263+4917 TDT 868 distance=126' 18466+5142 HU 756 distance=126' 18386+4901 CBL 171 distance=126' 18207+5131 RAO 388 distance=129' 18405+4906 COU2394 distance=130' 18387+5300 SLE 232 distance=130' 18436+4925 TDT1018 distance=132' 18296+4851 CRB 4BC distance=134' 18296+4851 ES 2667AB distance=134' 18461+5212 MLR 637 distance=135' 18221+5222 ES 648 distance=139' 18298+5314 TDT 911 distance=141' 18273+4852 TDT 880 distance=142' 18459+5228 RAO 398 distance=143' 18410+4848 COU2395 distance=146' 18496+5048 UC 3686 distance=149' 18182+5050 ES 647 distance=149' 18334+4823 TDS 928 distance=156' 18495+5157 UC 3685 distance=157' 18253+4846 HU 66AB distance=157' 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 18340+5058 ES 785 AB 98 9.4
Show 18340+5058 ES 785 AC 293 10.9
Show 18340+5058 ABH 102 AD 17 54.2
Show 18340+5045 ES 786 323 5.9 15
Show 18319+5110 ES 784 65 7.1 24
Show 18372+5122 SLE 227 228 5.7 39
Show 18339+5144 ZUC 16 47 17.0 45
Show 18345+5147 HDS2634 351 0.1 49
Show 18314+5144 SLE 194 AB 213 7.8 53
Show 18314+5144 SLE 194 AC 109 16.1 53
Show 18323+5149 SLE 205 59 9.7 54
Show 18399+5106 ES 787 38 8.3 57
Show 18402+5048 COU2515 276 0.3 60
Show 18277+5016 LEP 158 238 5.1 74
Show 18417+5108 HU 754 93 1.3 74
Show 18339+5221 A 1377 AB 134 0.2 83
Show 18339+5221 STF2348 AB,C 271 25.7 83
Show 18339+5221 SLE 216 AB,D 338 93.7 83
Show 18339+5221 SLE 216 AB,E 232 109.1 83
Show 18414+5150 SLE 239 98 13.2 87
Show 18389+5221 STF2368 AB 321 1.9 94
Show 18389+5221 STF2368 AC 125 36.6 94
Show 18344+5240 BEM 34 26 10.5 102
Show 18291+4928 UC 3589 32 17.0 102
Show 18283+4930 TDT 896 152 8.8 104
Show 18238+5139 ES 187 AB 206 2.5 105
Show 18238+5139 ES 187 AC 124 91.3 105
Show 18456+5119 KPP4119 AB 24 18.5 112
Show 18276+4926 COU2278 15 1.4 113
Show 18387+5243 A 1379 211 2.1 114
Show 18220+5122 UC 3560 292 66.1 116
Show 18448+5201 HU 755 124 0.6 119
Show 18272+4913 RAO 392 129 0.9 124
Show 18263+4917 TDT 868 109 0.5 126
Show 18466+5142 HU 756 263 1.0 126
Show 18386+4901 CBL 171 260 47.5 126
Show 18207+5131 RAO 388 51 0.2 129
Show 18405+4906 COU2394 219 0.6 130
Show 18387+5300 SLE 232 219 14.6 130
Show 18436+4925 TDT1018 266 0.6 132
Show 18296+4851 CRB 4 BC 291 3.2 134
Show 18296+4851 ES 2667 AB 67 13.7 134
Show 18461+5212 MLR 637 102 0.8 135
Show 18221+5222 ES 648 1 5.0 139
Show 18298+5314 TDT 911 196 0.7 141
Show 18273+4852 TDT 880 217 1.6 142
Show 18459+5228 RAO 398 190 2.7 143
Show 18410+4848 COU2395 137 0.6 146
Show 18496+5048 UC 3686 24 48.1 149
Show 18182+5050 ES 647 291 2.4 149
Show 18334+4823 TDS 928 317 1.9 156

 
 
WDS 18340+5058 : COMPONENTS
 
 
  A B C
B pa=102.6°
sep=6.01"
 
C pa=303.3°
sep=7.59"
pa=294.2°
sep=13.38"
 
D pa=10.8°
sep=52.75"
pa=4.4°
sep=53.28"
pa=18.8°
sep=50.34"
 
 
18340+5058 A
 
 
Name HD 234676 Coord arcsec 2000 183358.79+505818.3 Mag 9.56 Spectral class G0V (yellow)
PmRA 7.00 PmDE 105.0 SAO 31050 Tycho2 3539-00465-1
HD 234676 DM BD+50 2615
Tycho2
Tycho2 3539-00465-1 Pflag RAmdeg 278.49496392 DEmdeg 50.97175435
PmRA 11.1 PmDE 105.0 E RAmdeg 16 E DEmdeg 15
E pmRA 1.4 E pmDE 1.4 EpRAm 1989.45 EpDEm 1989.99
Num 6 Q RAmdeg 1.1 Q DEmdeg 0.9 Q pmRA 1.1
Q pmDE 0.9 BTmag 10.199 E BTmag 0.029 VTmag 9.562
E VTmag 0.023 Prox 999 TYC T HIP
CCDM RAdeg 278.49492194 DEdeg 50.97151361 EpRA 1990 1.59
EpDE 1990 1.74 E RAdeg 15.7 E DEdeg 15.3 Posflg
Corr 0.0
SAO
SAO 31050 DelFlag RA1950 PmRA1950 0.0015
DE1950 PmDE1950 0.117 Vmag 8.9 SpType G0
Double code Source 37 CatNum 5660 DM BD+50 2615
DMcomp BDsup HD 234676 M HD 0
GC RA1950rad 4.85539551 DE1950rad 0.88889404 PmRA2000 0.002
PmDE2000 0.117
CCDM
Ccdm 18340+5058 RComp Comp A Note1
Note2 Discov num DRAs -1.35 DDEs 17.6
R dRAs 10 Year Theta Rho
Obs 3 Vmag 9.6 Sp G0 PmNote *
PmRA -1 PmDE 95 Dm number +50 2615 Cat1 BD
Name2 +50 1306 Cat2 AGK2/3 HD 234676 M HD
ADS BDS A11469 M ADS BDS N IDS IDS 18316N5053A
HIC
 
 
18340+5058 B
 
 
Coord arcsec 2000 183359.41+505817.0 Mag 10 PmRA 17.00 PmDE 98.0
Calc delta mag 0.44 Calc coord yes
CCDM
Ccdm 18340+5058 RComp Comp B Note1
Note2 Discov num ES 785 DRAs DDEs
R dRAs Year 1909 Theta 096 Rho 8.6
Obs 1 Vmag 10.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11469 M ADS BDS N IDS IDS 18316N5053B
HIC
 
 
18340+5058 C
 
 
Coord arcsec 2000 183358.12+505822.5 Mag 13 Calc delta mag 3.44 Calc coord yes
CCDM
Ccdm 18340+5058 RComp Comp C Note1
Note2 Discov num ES 785 DRAs DDEs
R dRAs Year 1909 Theta 331 Rho 18.5
Obs 1 Vmag 12.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11469 M ADS BDS N IDS IDS 18316N5053C
HIC
 
 
18340+5058 D
 
 
Coord arcsec 2000 183359.84+505910.1 Mag 15.13 PmRA 8.00 PmDE 2.0
Calc delta mag 5.57 Calc coord yes