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Doubles in session


Current system
18103+0235
BU 638 BC


Nearby doubles
4' : 18104+0232
STF2288

16' : 18097+0247
BAL1955

26' : 18103+0209
DAL 18AB

34' : 18099+0307
BU 637AB

34' : 18083+0230
BAL1953AB

36' : 18121+0258
GRV 231

37' : 18080+0222
WLY 9

38' : 18128+0243
BAL1958

38' : 18121+0207
BAL1957

39' : 18129+0228
HEI 559

40' : 18083+0209
BAL1954

40' : 18081+0213
BU 636AB

41' : 18117+0200
BAL1499

41' : 18130+0243
BAL1959AB

44' : 18076+0224
BAL1952

45' : 18074+0227
BAL1951

45' : 18090+0315
BAL2477

51' : 18123+0154
A 2260AB

53' : 18106+0327
BAL2481

56' : 18079+0153
OSO 93AB

58' : 18076+0314
SLE 85

58' : 18084+0325
BAL2475

59' : 18077+0317
AG 216

63' : 18144+0251
BAL1960

64' : 18069+0159
BAL1498

72' : 18080+0337
ARY 2AB



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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18103+0235 BU 638 BC

 
 
18h 10m 21.33s +02° 34' 49.7" P.A. 4.00 sep 1.8 mag 10.78,13.60
 
 
Coord 2000 18103+0235 Discov num BU  638 Comp BC Coord arcsec 2000 18 10 21.33 +02 34 49.7
Date first 1878 Date last 2014 Obs 12
Pa first 12 Pa last 4 P.A. Now (θ) 4°
Sep first 1.7 Sep last 1.76 Sep. Now (ρ) 1.76"
Mag pri 10.78 Mag sec 13.60 delta mag (ΔM) 2.82 Spectral class
Pri motion ra -007 Sec motion ra
Pri motion dec -016 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
18103+0235 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 10 21 +02 35 10 STF 2287 AB 2014 19 153 22.9 10.51 10.78 0.27
Show 18 10 21 +02 35 10 BU 638 AD 2015 13 222 59.7 10.51 12.07 1.56
Show 18 10 21 +02 35 10 BU 638 AE 2015 5 344 13.7 10.51 15.50 4.99
Show 18 10 21 +02 34 50 BU 638 BC 2014 12 4 1.8 10.78 13.60 2.82 <===
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ophiuchus Tycho2 0435-02555-1 Gaia DR2 4469841326157874816
 
 
WDS 18103+0235 BU 638 BC : NOTES
 
 
discov_num notes refcode
BU 638 BC: No measures since 1929. Probably unchanged. IDS estimates for dm
incorrect. Wor1967b
 
 
REFERENCES
 
 
refcode metd author reference
Wor1967b Ma j Worley, C.E. 1967PUSNO..18....1W
Wor1967b Pub. USNO 18, Pt. 6, 1967
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
179 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18103+0235 BU 638 BC 1981 11 7 1.9 10.78 13.60 181021.33+023449.7
18103+0235 BU 638 BC 2014 12 4 1.8 10.78 13.60 N 181021.33+023449.7

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

 
 
WDS 18103+0235 BU 638 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18103+0235 BU 638 BC : MEASURES
 
 
No records found.

 
 
WDS 18103+0235 : VIRTUAL EYEPIECE
 
 

18103+0235 STF2287A mag 10.51 Sp M3 18103+0235 STF2287B sep 22.9 P.A. 152.60 mag 10.78 18103+0235 BU 638C sep 21.4 P.A. 150.40 mag 13.6 18103+0235 BU 638D sep 59.6 P.A. 221.50 mag 12.07 18103+0235 BU 638E sep 13.7 P.A. 343.50 mag 15.5 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18103+0235 : ALADIN DSS IMAGE @ 18h 10m 21.33s +02° 34' 49.7"
 
 
 
 
WDS 18103+0235 BU 638 BC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18103+0235 BU 638BC distance=0' 18103+0235 STF2287AB distance=1' 18103+0235 BU 638AD distance=1' 18103+0235 BU 638AE distance=1' 18104+0232 STF2288 distance=4' 18097+0247 BAL1955 distance=16' 18103+0209 DAL 18AB distance=26' 18103+0209 DAL 18AC distance=26' 18099+0307 BU 637AB distance=34' 18099+0307 BU 637AC distance=34' 18099+0307 YSC 132Aa,Ab distance=34' 18083+0230 NYS 7BC distance=34' 18083+0230 BAL1953AB distance=34' 18121+0258 GRV 231 distance=36' 18080+0222 WLY 9 distance=37' 18128+0243 BAL1958 distance=38' 18121+0207 BAL1957 distance=38' 18129+0228 HEI 559 distance=39' 18083+0209 BAL1954 distance=40' 18081+0213 BU 636AB distance=40' 18081+0213 BU 636AC distance=40' 18081+0213 BU 636AD distance=40' 18081+0213 GII 259Aa,Ab distance=40' 18117+0200 BAL1499 distance=41' 18130+0243 BAL1959AB distance=41' 18130+0243 BAL1959AC distance=41' 18130+0243 BAL1959BC distance=41' 18076+0224 BAL1952 distance=44' 18074+0227 BAL1951 distance=45' 18090+0315 BAL2477 distance=45' 18123+0154 A 2260AB distance=51' 18123+0154 RAO 66AC distance=51' 18106+0327 BAL2481 distance=53' 18079+0153 OSO 93AB distance=56' 18079+0153 OSO 93AC distance=56' 18079+0153 OSO 93AD distance=56' 18079+0153 OSO 93AE distance=56' 18079+0153 OSO 93AF distance=56' 18076+0314 SLE 85 distance=58' 18084+0325 BAL2475 distance=58' 18077+0317 AG 216 distance=59' 18144+0251 BAL1960 distance=63' 18069+0159 BAL1498 distance=64' 18080+0337 ARY 2AB distance=72' 18080+0337 ARY 2AC distance=72' 18152+0229 BAL1961 distance=73' 18055+0230 STF2272BC distance=74' 18055+0230 STF2272BD distance=74' 18055+0230 STF2272BR distance=74' 18055+0230 STF2272BZ distance=74' 18055+0230 STF2272AB distance=74' 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 18103+0235 BU 638 BC 4 1.8
Show 18103+0235 STF2287 AB 153 22.9 1
Show 18103+0235 BU 638 AD 222 59.7 1
Show 18103+0235 BU 638 AE 344 13.7 1
Show 18104+0232 STF2288 58 15.9 4
Show 18097+0247 BAL1955 174 28.4 16
Show 18103+0209 DAL 18 AB 274 12.5 26
Show 18103+0209 DAL 18 AC 314 45.0 26
Show 18099+0307 BU 637 AB 191 7.2 34
Show 18099+0307 BU 637 AC 245 98.2 34
Show 18099+0307 YSC 132 Aa,Ab 357 0.0 34
Show 18083+0230 NYS 7 BC 84 16.0 34
Show 18083+0230 BAL1953 AB 122 17.1 34
Show 18121+0258 GRV 231 181 50.7 36
Show 18080+0222 WLY 9 94 16.4 37
Show 18128+0243 BAL1958 140 3.9 38
Show 18121+0207 BAL1957 231 8.7 38
Show 18129+0228 HEI 559 173 0.8 39
Show 18083+0209 BAL1954 226 13.6 40
Show 18081+0213 BU 636 AB 120 1.4 40
Show 18081+0213 BU 636 AC 93 11.7 40
Show 18081+0213 BU 636 AD 348 40.8 40
Show 18081+0213 GII 259 Aa,Ab 168 0.1 40
Show 18117+0200 BAL1499 151 6.3 41
Show 18130+0243 BAL1959 AB 31 23.1 41
Show 18130+0243 BAL1959 AC 66 15.4 41
Show 18130+0243 BAL1959 BC 171 13.8 41
Show 18076+0224 BAL1952 153 13.5 44
Show 18074+0227 BAL1951 251 3.2 45
Show 18090+0315 BAL2477 162 18.8 45
Show 18123+0154 A 2260 AB 107 1.9 51
Show 18123+0154 RAO 66 AC 72 17.2 51
Show 18106+0327 BAL2481 108 10.7 53
Show 18079+0153 OSO 93 AB 21 12.7 56
Show 18079+0153 OSO 93 AC 295 13.1 56
Show 18079+0153 OSO 93 AD 171 17.6 56
Show 18079+0153 OSO 93 AE 66 21.7 56
Show 18079+0153 OSO 93 AF 194 20.9 56
Show 18076+0314 SLE 85 181 11.3 58
Show 18084+0325 BAL2475 88 5.5 58
Show 18077+0317 AG 216 91 2.4 59
Show 18144+0251 BAL1960 176 13.8 63
Show 18069+0159 BAL1498 255 3.0 64
Show 18080+0337 ARY 2 AB 359 92.3 72
Show 18080+0337 ARY 2 AC 54 116.2 72
Show 18152+0229 BAL1961 358 17.4 73
Show 18055+0230 STF2272 BC 322 81.2 74
Show 18055+0230 STF2272 BD 311 120.0 74
Show 18055+0230 STF2272 BR 29 154.3 74
Show 18055+0230 STF2272 BZ 163 70.2 74
Show 18055+0230 STF2272 AB 121 6.9 74

 
 
WDS 18103+0235 : COMPONENTS
 
 
  A B C D
B pa=152.6°
sep=22.93"
 
C pa=150.4°
sep=21.45"
pa=2.4°
sep=1.71"
 
D pa=221.5°
sep=59.64"
pa=244.1°
sep=55.64"
pa=242.5°
sep=56.47"
 
E pa=343.5°
sep=13.66"
pa=336.7°
sep=36.43"
pa=335.5°
sep=34.89"
pa=31.6°
sep=67.88"
 
 
18103+0235 A
 
 
Coord arcsec 2000 181020.63+023510.1 Mag 10.51 Spectral class M3 (red) PmRA 0.00
PmDE -1.0 Tycho2 0435-02215-1 ADS 11118 DM BD+02 3516
Tycho2
Tycho2 0435-02215-1 Pflag RAmdeg 272.58598315 DEmdeg 2.58614707
PmRA -1.8 PmDE 1.0 E RAmdeg 36 E DEmdeg 33
E pmRA 1.7 E pmDE 1.7 EpRAm 1983.81 EpDEm 1982.20
Num 4 Q RAmdeg 0.7 Q DEmdeg 1.2 Q pmRA 0.6
Q pmDE 1.2 BTmag 11.785 E BTmag 0.106 VTmag 10.511
E VTmag 0.056 Prox 229 TYC T HIP
CCDM RAdeg 272.58598944 DEdeg 2.58613028 EpRA 1990 1.82
EpDE 1990 1.71 E RAdeg 43.6 E DEdeg 52.9 Posflg
Corr 0.1
CCDM
Ccdm 18103+0235 RComp Comp A Note1
Note2 Discov num DRAs 2.65 DDEs 10.1
R dRAs 65 Year Theta Rho
Obs 5 Vmag 10.5 Sp PmNote
PmRA PmDE Dm number +02 3516 Cat1 BD
Name2 Cat2 HD M HD
ADS BDS A11118 M ADS BDS N IDS IDS 18053N0234A
HIC
 
 
18103+0235 B
 
 
Coord arcsec 2000 181021.33+023449.7 Mag 10.78 PmRA 1.00 PmDE -9.0
Tycho2 0435-02555-1 Calc delta mag 0.27 Calc coord yes
Tycho2
Tycho2 0435-02555-1 Pflag RAmdeg 272.58889810 DEmdeg 2.58049831
PmRA -6.9 PmDE -15.6 E RAmdeg 34 E DEmdeg 36
E pmRA 2.2 E pmDE 2.2 EpRAm 1986.61 EpDEm 1985.17
Num 3 Q RAmdeg 0.9 Q DEmdeg 5.8 Q pmRA 0.9
Q pmDE 5.8 BTmag 11.037 E BTmag 0.066 VTmag 10.779
E VTmag 0.077 Prox 229 TYC T HIP
CCDM RAdeg 272.58891861 DEdeg 2.58048667 EpRA 1990 1.84
EpDE 1990 1.79 E RAdeg 40.6 E DEdeg 47.8 Posflg
Corr 0.1
CCDM
Ccdm 18103+0235 RComp Comp B Note1
Note2 Discov num STF2287 DRAs 3.33 DDEs -9.4
R dRAs 65 Year 1878 Theta 152 Rho 22.2
Obs 8 Vmag 10.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11118 M ADS BDS N IDS IDS 18053N0234B
HIC
 
 
18103+0235 C
 
 
Coord arcsec 2000 181021.34+023451.5 Mag 13.6 Calc delta mag 3.09 Calc coord yes
CCDM
Ccdm 18103+0235 RComp B Comp C Note1
Note2 Discov num BU 638 DRAs DDEs
R dRAs Year 1878 Theta 007 Rho 1.7
Obs 9 Vmag 13.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11118 M ADS BDS N IDS IDS 18053N0234C
HIC
 
 
18103+0235 D
 
 
Coord arcsec 2000 181017.99+023425.4 Mag 12.07 PmRA 2.00 PmDE -6.0
Tycho2 0435-02125-1 Calc delta mag 1.56 Calc coord yes
Tycho2
Tycho2 0435-02125-1 Pflag RAmdeg 272.57500097 DEmdeg 2.57377287
PmRA -1.9 PmDE -10.5 E RAmdeg 51 E DEmdeg 53
E pmRA 1.8 E pmDE 1.8 EpRAm 1976.41 EpDEm 1973.80
Num 4 Q RAmdeg 1.0 Q DEmdeg 1.0 Q pmRA 1.1
Q pmDE 1.0 BTmag 11.859 E BTmag 0.111 VTmag 12.070
E VTmag 0.235 Prox 555 TYC HIP
CCDM RAdeg 272.57502833 DEdeg 2.57377306 EpRA 1990 1.77
EpDE 1990 1.69 E RAdeg 79.7 E DEdeg 95.4 Posflg
Corr 0.1
CCDM
Ccdm 18103+0235 RComp Comp D Note1
Note2 Discov num BU 638 DRAs -0.02 DDEs -34.8
R dRAs 65 Year 1913 Theta 223 Rho 59.0
Obs 1 Vmag Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11118 M ADS BDS N IDS IDS 18053N0234D
HIC
 
 
18103+0235 E
 
 
Coord arcsec 2000 181020.37+023523.2 Mag 15.5 Calc delta mag 4.99 Calc coord yes