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Doubles in session


Current system
18109+4242
ROE 6 CD


Nearby doubles
30' : 18092+4314
ES 1417AB

34' : 18130+4251
ES 473AB

35' : 18094+4319
ES 1418

36' : 18108+4212
TDT 724

46' : 18132+4315
A 576

49' : 18097+4334
CVR 868

53' : 18055+4301
TDS 903

53' : 18063+4213
ROE 18

54' : 18054+4306
COU1787

56' : 18058+4215
KPP2613

57' : 18050+4233
UC 3488

72' : 18120+4355
ES 1419

75' : 18043+4206
ROE 1AB

84' : 18084+4407
HDS2554

85' : 18131+4129
TOK 319

88' : 18058+4400
LDS4775

88' : 18126+4123
STF2298AB

91' : 18179+4311
KPP4103

93' : 18026+4204
UC 3480

101' : 18019+4202
DAM 103

102' : 18181+4334
A 579

102' : 18031+4158
DOO 10

106' : 18173+4355
A 577

108' : 18178+4351
A 578AB

109' : 18072+4430
BRT1914

109' : 18199+4258
ES 474



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.

18109+4242 ROE 6 CD

 
 
18h 10m 00.42s +42° 45' 32.5" P.A. 228.00 sep 11.1 mag 11.45,11.15
 
 
Coord 2000 18109+4242 Discov num ROE   6 Comp CD Coord arcsec 2000 18 10 00.42 +42 45 32.5
Date first 1893 Date last 2015 Obs 12
Pa first 298 Pa last 227.7 P.A. Now (θ) 227.7°
Sep first 12.7 Sep last 11.145 Sep. Now (ρ) 11.145"
Mag pri 11.45 Mag sec 11.15 delta mag (ΔM) 0.3 Spectral class
Pri motion ra -020 Sec motion ra -006
Pri motion dec +116 Sec motion dec +012
Notes
rPM=0.891
This double is not physical.
 
 
18109+4242 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 09 51 +42 42 51 ROE 5 AB 2019 11 115 14.9 11.41 13.19 1.78
Show 18 09 51 +42 42 51 ROE 5 AC 2015 11 32 193.5 11.41 11.45 0.04
Show 18 10 00 +42 45 32 ROE 6 CD 2015 12 228 11.1 11.45 11.15 0.30 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Gaia DR2 2113941022867528832
 
 
WDS 18109+4242 ROE 6 CD : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Roe1908 Ma - Roe, E.D. 1908AN....178..169R
Roe1908 AN 178, 169, 1908
Roe1909 Ma - Roe, E.D. 1909AN....181..285R
Roe1909 AN 181, 285, 1909
Roe1910a Ma - Roe, E.D. 1910AJ.....26...93R
Roe1910a AJ 26, 93, 1910
Roe1910b Ma j Roe, E.D. ...................
Roe1910b Journal Astronomique 1, no. 4, 25, 1910
Roe1910c Ma - Roe, E.D. 1910AN....183..197R
Roe1910c AN 183, 197, 1910
Roe1910d Ma j Roe, E.D. 1910PA.....18..354R
Roe1910d Popular Astronomy 18, 354, 1910
Roe1910e Ma j Roe, E.D. 1910PA.....18..554R
Roe1910e Popular Astronomy 18, 554, 1910
Roe1911a Ma - Roe, E.D. 1911AN....187...39R
Roe1911a AN 187, 39, 1911
Roe1911b Ma - Roe, E.D. 1911AN....188..373R
Roe1911b AN 188, 373, 1911
Roe1911c Ma - Roe, E.D. 1911AN....190..137R
Roe1911c AN 190, 137, 1911
Roe1911d Ma j Roe, E.D. 1911PA.....19..383R
Roe1911d Popular Astronomy 19, 383, 1911
Roe1914 Ma j Roe, E.D. 1914AN....199..169R
Roe1914 AN 199, 169, 1914
Roe1915 Ma - Roe, E.D. 1915AN....202..99R
Roe1915 AN 202, 99, 1915
Roe1917 Ma j Roe, E.D. 1917AN....204...21R
Roe1917 AN 204, 21, 1917
Roe1918 Ma - Roe, E.D. 1918AJ.....31..149R
Roe1918 AJ 31, 149, 1918
Roe1919a Ma j Roe, E.D. 1919AJ.....32....6R
Roe1919a AJ 32, 6, 1919
Roe1919b Ma j Roe, E.D. 1919AJ.....32...25R
Roe1919b AJ 32, 25, 1919
Roe1932A - Roe, E.D. 1932QB821.A43......
Roe1932A cited in ADS (Aitken Double Star Cat.), 1932
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18109+4242 ROE 6 CD 1915 2 286 10.7 10.80 11.40 181102.90+424336.0
18109+4242 ROE 6 CD 1998 5 236 10.3 11.45 12.00 D 181000.42+424532.5
18109+4242 ROE 6 CD 2003 6 234 10.6 11.45 12.00 D 181000.42+424532.5
18109+4242 ROE 6 CD 2013 7 228 11.4 11.45 11.15 181000.42+424532.5
18109+4242 ROE 6 CD 2015 8 228 11.1 11.45 11.15 181000.42+424532.5

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

 
 
WDS 18109+4242 ROE 6 CD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18109+4242 ROE 6 CD : MEASURES
 
 
No records found.

 
 
WDS 18109+4242 : VIRTUAL EYEPIECE
 
 

18109+4242 ROE 5A mag 11.41 18109+4242 ROE 5B sep 11.7 P.A. 122.20 mag 13.19 18109+4242 ROE 6C sep 191.3 P.A. 32.40 mag 11.45 18109+4242 ROE 6D sep 181.8 P.A. 32.10 mag 11.15 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 18109+4242 : ALADIN DSS IMAGE @ 18h 10m 00.42s +42° 45' 32.5"
 
 
 
 
WDS 18109+4242 ROE 6 CD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18109+4242 ROE 6CD distance=0' 18109+4242 ROE 5AB distance=4' 18109+4242 ROE 5AC distance=4' 18092+4314 ES 1417BC distance=30' 18092+4314 ES 1417AB distance=30' 18130+4251 ES 473AB distance=34' 18130+4251 SLV 6AC distance=34' 18094+4319 ES 1418 distance=35' 18130+4251 ES 473BC distance=35' 18108+4212 TDT 724 distance=36' 18132+4315 A 576 distance=46' 18097+4334 CVR 868 distance=49' 18055+4301 TDS 903 distance=53' 18063+4213 ROE 18 distance=53' 18054+4306 COU1787 distance=54' 18058+4215 KPP2613 distance=56' 18050+4233 UC 3488 distance=57' 18120+4355 ES 1419 distance=72' 18043+4206 COU1786Aa,Ab distance=75' 18043+4206 ROE 1AB distance=75' 18083+4406 KPP4086CD distance=83' 18084+4407 HDS2554 distance=84' 18131+4129 TOK 319 distance=85' 18058+4400 LDS4775 distance=88' 18126+4123 STF2298AB distance=88' 18126+4123 STF2298AC distance=88' 18126+4123 WAL 89AB,D distance=88' 18179+4311 KPP4103 distance=91' 18026+4204 UC 3480 distance=93' 18019+4202 DAM 103 distance=101' 18181+4334 A 579 distance=102' 18031+4158 DOO 10 distance=102' 18173+4355 A 577 distance=106' 18178+4351 A 578Aa,Ab distance=108' 18178+4351 A 578AB distance=108' 18072+4430 BRT1914 distance=109' 18199+4258 ES 474 distance=109' 18180+4351 UC 3549 distance=110' 18156+4417 ES 1420AB distance=110' 18156+4417 ES 1420AC distance=110' 18176+4409 RAO 386 distance=117' 18064+4437 COU1926 distance=118' 17596+4314 COU1784 distance=118' 18007+4145 ES 1558 distance=119' 18158+4107 ES 1651 distance=119' 18162+4423 ES 1421 distance=119' 18177+4122 LDS4783 distance=120' 18025+4414 OLE 4Aa,Ab distance=121' 18025+4414 BU 1127AB distance=121' 18058+4054 TDT 677 distance=121' 18029+4109 ES 1648 distance=126' 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 18109+4242 ROE 6 CD 228 11.1
Show 18109+4242 ROE 5 AB 115 14.9 4
Show 18109+4242 ROE 5 AC 32 193.5 4
Show 18092+4314 ES 1417 BC 277 4.2 30
Show 18092+4314 ES 1417 AB 206 13.9 30
Show 18130+4251 ES 473 AB 98 30.7 34
Show 18130+4251 SLV 6 AC 129 42.8 34
Show 18094+4319 ES 1418 303 4.3 35
Show 18130+4251 ES 473 BC 173 22.5 35
Show 18108+4212 TDT 724 56 0.5 36
Show 18132+4315 A 576 282 0.4 46
Show 18097+4334 CVR 868 207 28.7 49
Show 18055+4301 TDS 903 173 1.1 53
Show 18063+4213 ROE 18 171 14.9 53
Show 18054+4306 COU1787 325 0.4 54
Show 18058+4215 KPP2613 113 24.0 56
Show 18050+4233 UC 3488 313 4.2 57
Show 18120+4355 ES 1419 320 10.4 72
Show 18043+4206 COU1786 Aa,Ab 11 0.2 75
Show 18043+4206 ROE 1 AB 186 24.3 75
Show 18083+4406 KPP4086 CD 236 2.9 83
Show 18084+4407 HDS2554 205 0.1 84
Show 18131+4129 TOK 319 301 94.2 85
Show 18058+4400 LDS4775 53 15.7 88
Show 18126+4123 STF2298 AB 172 1.9 88
Show 18126+4123 STF2298 AC 40 72.9 88
Show 18126+4123 WAL 89 AB,D 71 46.6 88
Show 18179+4311 KPP4103 295 1.9 91
Show 18026+4204 UC 3480 18 23.8 93
Show 18019+4202 DAM 103 206 11.0 101
Show 18181+4334 A 579 340 1.5 102
Show 18031+4158 DOO 10 292 4.9 102
Show 18173+4355 A 577 304 0.7 106
Show 18178+4351 A 578 Aa,Ab 244 0.3 108
Show 18178+4351 A 578 AB 167 1.8 108
Show 18072+4430 BRT1914 160 4.1 109
Show 18199+4258 ES 474 41 3.0 109
Show 18180+4351 UC 3549 159 20.7 110
Show 18156+4417 ES 1420 AB 66 8.3 110
Show 18156+4417 ES 1420 AC 9 14.6 110
Show 18176+4409 RAO 386 228 0.4 117
Show 18064+4437 COU1926 124 0.3 118
Show 17596+4314 COU1784 97 2.2 118
Show 18007+4145 ES 1558 298 6.3 119
Show 18158+4107 ES 1651 5 2.5 119
Show 18162+4423 ES 1421 345 11.8 119
Show 18177+4122 LDS4783 135 56.4 120
Show 18025+4414 OLE 4 Aa,Ab 319 0.1 121
Show 18025+4414 BU 1127 AB 39 0.7 121
Show 18058+4054 TDT 677 231 0.5 121
Show 18029+4109 ES 1648 9 3.7 126

 
 
WDS 18109+4242 : COMPONENTS
 
 
  A B C
B pa=122.2°
sep=11.74"
 
C pa=32.4°
sep=191.32"
pa=28.9°
sep=191.63"
 
D pa=32.1°
sep=181.75"
pa=28.4°
sep=182.14"
pa=218.9°
sep=9.64"
 
 
18109+4242 A
 
 
Coord arcsec 2000 180951.11+424251.0 Mag 11.41 PmRA -3.00 PmDE -7.0
Tycho2 3110-00262-1
Tycho2
Tycho2 3110-00262-1 Pflag RAmdeg 272.46297735 DEmdeg 42.71418341
PmRA -4.0 PmDE -8.2 E RAmdeg 60 E DEmdeg 57
E pmRA 1.9 E pmDE 1.8 EpRAm 1980.46 EpDEm 1979.86
Num 3 Q RAmdeg 0.2 Q DEmdeg 0.4 Q pmRA 0.3
Q pmDE 0.4 BTmag 12.816 E BTmag 0.217 VTmag 11.410
E VTmag 0.085 Prox 999 TYC T HIP
CCDM RAdeg 272.46299000 DEdeg 42.71420250 EpRA 1990 1.58
EpDE 1990 1.70 E RAdeg 63.8 E DEdeg 61.3 Posflg
Corr 0.0
 
 
18109+4242 B
 
 
Coord arcsec 2000 180952.01+424244.8 Mag 13.19 PmRA -13.00 PmDE -18.0
Calc delta mag 1.78 Calc coord yes
 
 
18109+4242 C
 
 
Coord arcsec 2000 181000.42+424532.5 Coord calc 181000.42+424532.5 Mag 11.45 PmRA -20.00
PmDE 116.0 Calc delta mag 0.04
 
 
18109+4242 D
 
 
Coord arcsec 2000 180959.87+424525.0 Mag 11.15 PmRA -6.00 PmDE 12.0
Calc delta mag 0.26 Calc coord yes