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Current system
18440+5558
STI 2384


Nearby doubles
29' : 18426+5532
H 6 37AB

37' : 18463+5630
DAL 31

39' : 18433+5637
STI2383

42' : 18486+5613
TDT1062

42' : 18390+5559
A 1380AB

45' : 18471+5523
SIG 5

49' : 18458+5645
MLB 137

56' : 18438+5654
BU 465

61' : 18421+5501
KPP1134

66' : 18499+5516
MLR 574

70' : 18471+5455
TOI1746

76' : 18443+5443
UC 3659

84' : 18351+5521
STI2379

89' : 18426+5727
STI2382

89' : 18481+5721
STI2389

91' : 18542+5535
STI2395

94' : 18459+5731
STI2386

95' : 18510+5713
STI2393

95' : 18337+5638
TDS 929

97' : 18380+5722
STI2380

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MLB 138AB

110' : 18318+5639
ES 975

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STF2433AB

119' : 18483+5752
GAT 3AB

119' : 18319+5459
TDT 929

121' : 18449+5759
STI2385



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18440+5558 STI 2384

 
 
18h 43m 58.14s +55° 58' 31.3" P.A. 142.00 sep 3.8 mag 11.80,11.80
 
 
Coord 2000 18440+5558 Discov num STI2384 Comp Coord arcsec 2000 18 43 58.14 +55 58 31.3
Date first 1903 Date last 2015 Obs 5
Pa first 150 Pa last 141.5 P.A. Now (θ) 141.5°
Sep first 3.7 Sep last 3.778 Sep. Now (ρ) 3.778"
Mag pri 11.80 Mag sec 11.80 delta mag (ΔM) 0 Spectral class
Pri motion ra -042 Sec motion ra +015
Pri motion dec +051 Sec motion dec -013
Notes
rPM=1.297
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco Gaia DR2 2147854973693240576
 
 
WDS 18440+5558 STI 2384 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Sti Stein, J. (see Vat1926) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18440+5558 STI2384 2006 3 141 3.6 11.80 11.80 D 184358.14+555831.3
18440+5558 STI2384 2015 5 142 3.8 11.80 11.80 184358.14+555831.3

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

 
 
WDS 18440+5558 STI 2384 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18440+5558 STI 2384 : MEASURES
 
 
No records found.

 
 
WDS 18440+5558 : VIRTUAL EYEPIECE
 
 

18440+5558 STI2384A mag 11.8 18440+5558 STI2384B sep 3.2 P.A. 156.00 mag 11.8 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 18440+5558 : ALADIN DSS IMAGE @ 18h 43m 58.14s +55° 58' 31.3"
 
 
 
 
WDS 18440+5558 STI 2384 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18440+5558 STI2384 distance=0' 18426+5532 ISO 7Aa,Ab distance=29' 18426+5532 H 6 37AB distance=29' 18426+5532 H 6 37AC distance=29' 18463+5630 DAL 31 distance=37' 18433+5637 STI2383 distance=39' 18486+5613 TDT1062 distance=42' 18390+5559 A 1380AB distance=42' 18390+5559 A 1380AB,C distance=42' 18471+5523 SIG 5 distance=45' 18458+5645 MLB 137 distance=49' 18438+5654 BU 465 distance=56' 18421+5501 KPP1134 distance=61' 18499+5516 MLR 574 distance=66' 18471+5455 TOI1746 distance=70' 18443+5443 UC 3659 distance=76' 18351+5521 STI2379 distance=84' 18426+5727 STI2382 distance=89' 18481+5721 STI2389 distance=89' 18542+5535 STI2395 distance=91' 18459+5731 STI2386 distance=94' 18510+5713 STI2393 distance=95' 18337+5638 TDS 929 distance=95' 18380+5722 STI2380 distance=97' 18563+5537 MLB 138AB distance=107' 18318+5639 ES 975 distance=110' 18569+5645 STF2433AB distance=118' 18569+5645 STF2433AC distance=118' 18483+5752 STI2390AC distance=119' 18483+5752 GAT 3AB distance=119' 18483+5752 STI2390BC distance=119' 18319+5459 TDT 929 distance=119' 18449+5759 STI2385 distance=121' 18557+5714 TDT1129 distance=124' 18471+5356 A 1382 distance=126' 18563+5713 STI2400 distance=127' 18541+5417 ES 976 distance=134' 18598+5543 ES 1748 distance=134' 18383+5353 A 1378AB distance=135' 18383+5353 A 1378AB,C distance=135' 18596+5635 STI2403 distance=136' 18563+5432 HDS2682Aa,Ab distance=137' 18563+5432 GIC 154AB distance=137' 18569+5723 ES 1747 distance=137' 18278+5622 MLB 136 distance=138' 18494+5811 STI2392 distance=140' 18399+5815 A 251AB distance=141' 18399+5815 A 251AC distance=141' 18552+5750 HJ 2848AB distance=144' 18552+5750 HJ 2848AC distance=144' 18590+5713 STI2402 distance=144' 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 18440+5558 STI2384 142 3.8
Show 18426+5532 ISO 7 Aa,Ab 135 0.2 29
Show 18426+5532 H 6 37 AB 158 147.0 29
Show 18426+5532 H 6 37 AC 340 331.2 29
Show 18463+5630 DAL 31 265 49.3 37
Show 18433+5637 STI2383 342 14.5 39
Show 18486+5613 TDT1062 305 0.8 42
Show 18390+5559 A 1380 AB 20 1.0 42
Show 18390+5559 A 1380 AB,C 332 11.8 42
Show 18471+5523 SIG 5 126 0.2 45
Show 18458+5645 MLB 137 165 2.0 49
Show 18438+5654 BU 465 289 2.7 56
Show 18421+5501 KPP1134 336 8.9 61
Show 18499+5516 MLR 574 55 1.1 66
Show 18471+5455 TOI1746 351 0.9 70
Show 18443+5443 UC 3659 178 8.1 76
Show 18351+5521 STI2379 358 14.4 84
Show 18426+5727 STI2382 138 12.4 89
Show 18481+5721 STI2389 226 13.9 89
Show 18542+5535 STI2395 164 12.1 91
Show 18459+5731 STI2386 9 17.3 94
Show 18510+5713 STI2393 205 11.5 95
Show 18337+5638 TDS 929 78 1.2 95
Show 18380+5722 STI2380 4 10.3 97
Show 18563+5537 MLB 138 AB 63 4.9 107
Show 18318+5639 ES 975 51 10.5 110
Show 18569+5645 STF2433 AB 122 7.4 118
Show 18569+5645 STF2433 AC 140 39.5 118
Show 18483+5752 STI2390 AC 100 5.1 119
Show 18483+5752 GAT 3 AB 117 2.3 119
Show 18483+5752 STI2390 BC 85 2.9 119
Show 18319+5459 TDT 929 152 2.3 119
Show 18449+5759 STI2385 143 12.4 121
Show 18557+5714 TDT1129 14 0.5 124
Show 18471+5356 A 1382 226 4.6 126
Show 18563+5713 STI2400 138 13.1 127
Show 18541+5417 ES 976 278 5.0 134
Show 18598+5543 ES 1748 54 6.6 134
Show 18383+5353 A 1378 AB 119 0.4 135
Show 18383+5353 A 1378 AB,C 273 14.1 135
Show 18596+5635 STI2403 92 6.4 136
Show 18563+5432 HDS2682 Aa,Ab 327 0.4 137
Show 18563+5432 GIC 154 AB 170 118.8 137
Show 18569+5723 ES 1747 348 1.8 137
Show 18278+5622 MLB 136 243 2.1 138
Show 18494+5811 STI2392 142 5.3 140
Show 18399+5815 A 251 AB 53 4.0 141
Show 18399+5815 A 251 AC 78 13.5 141
Show 18552+5750 HJ 2848 AB 289 6.5 144
Show 18552+5750 HJ 2848 AC 52 30.0 144
Show 18590+5713 STI2402 56 4.4 144

 
 
WDS 18440+5558 : COMPONENTS
 
 
  A
B pa=156.0°
sep=3.24"
 
 
18440+5558 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 184358.14+555831.3 Mag 11.8 PmRA -42.00
PmDE 51.0
 
 
18440+5558 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184358.30+555828.3 Mag 11.8 PmRA 15.00
PmDE -13.0 Calc coord yes