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Doubles in session


Current system
18243+8544
TDT 837


Nearby doubles
5' : 18282+8542
LOC 378

12' : 18214+8554
LOC 381

28' : 18049+8528
HDS2548

45' : 18274+8459
LOC 382

69' : 18060+8439
KPP4083

88' : 18211+8416
LDS1887

90' : 18322+8415
LDS1888

147' : 18399+8319
SKF1317

150' : 18363+8315
MLR 215

153' : 18059+8815
STF2614

156' : 18422+8818
HJ 2971AB

186' : 18427+8239
LDS1893

189' : 18293+8235
MLR 212

189' : 18270+8235
LOC 377

192' : 18281+8855
LOC 383

198' : 18438+8228
LOC 393

201' : 18302+8224
OCA 2

201' : 18362+8224
MLR 213

202' : 18349+8223
OCA 3

227' : 18208+8158
LDS1885

237' : 18329+8148
LOC 374

257' : 18053+8129
STF2326

261' : 18247+8123
LOC 372

278' : 18384+8107
TDT 969



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

18243+8544 TDT 837

 
 
18h 24m 17.09s +85° 43' 33.4" P.A. 350.00 sep 0.8 mag 11.27,11.41 Sp F8
 
 
Coord 2000 18243+8544 Discov num TDT 837 Comp Coord arcsec 2000 18 24 17.09 +85 43 33.4
Date first 1991 Date last 2016 Obs 3
Pa first 344 Pa last 349.5 P.A. Now (θ) 349.5°
Sep first 0.6 Sep last 0.795 Sep. Now (ρ) 0.795"
Mag pri 11.27 Mag sec 11.41 delta mag (ΔM) 0.14 Spectral class F8 (yellow-white)
Pri motion ra +012 Sec motion ra +012
Pri motion dec +010 Sec motion dec +010
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco Tycho2 4652-00734-1 Gaia DR2 2303416838024104192
 
 
WDS 18243+8544 TDT 837 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
No records found.

 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18243+8544 TDT 837 1991 1 344 0.6 11.27 11.41 182417.09+854333.4
18243+8544 TDT 837 2016 2 350 0.8 11.27 11.41 F8 182417.09+854333.4

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

 
 
WDS 18243+8544 TDT 837 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18243+8544 TDT 837 : MEASURES
 
 
No records found.

 
 
WDS 18243+8544 : VIRTUAL EYEPIECE
 
 

18243+8544 TDT 837A mag 11.27 Sp F8 18243+8544 TDT 837B sep 0.8 P.A. 359.20 mag 11.41 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 18243+8544 : ALADIN DSS IMAGE @ 18h 24m 17.09s +85° 43' 33.4"
 
 
 
 
WDS 18243+8544 TDT 837 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18243+8544 TDT 837 distance=0' 18282+8542 LOC 378 distance=5' 18214+8554 LOC 381 distance=12' 18049+8528 HDS2548 distance=28' 18274+8459 LOC 382 distance=45' 18277+8459 LOC 379AC distance=46' 18060+8439 KPP4083 distance=69' 18211+8416 LDS1887 distance=88' 18322+8415 LDS1888 distance=90' 18399+8319 SKF1317 distance=147' 18363+8315 MLR 215 distance=150' 18059+8815 STF2614 distance=153' 18422+8818 HJ 2971BC distance=155' 18422+8818 HJ 2971AB distance=156' 18422+8818 HJ 2971AC distance=156' 18427+8239 LDS1893 distance=186' 18293+8235 MLR 212 distance=189' 18270+8235 LOC 377 distance=189' 18281+8855 LOC 383 distance=192' 18438+8228 LOC 393 distance=198' 18302+8224 OCA 2 distance=201' 18362+8224 MLR 213 distance=201' 18349+8223 OCA 3 distance=202' 18208+8158 LDS1885 distance=227' 18329+8148 LOC 374 distance=237' 18053+8129 STF2326 distance=257' 18247+8123 LOC 372 distance=261' 18384+8107 TDT 969 distance=278' 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 18243+8544 TDT 837 350 0.8
Show 18282+8542 LOC 378 242 3.6 5
Show 18214+8554 LOC 381 73 3.3 12
Show 18049+8528 HDS2548 44 0.4 28
Show 18274+8459 LOC 382 292 1.8 45
Show 18277+8459 LOC 379 AC 95 1.1 46
Show 18060+8439 KPP4083 45 7.3 69
Show 18211+8416 LDS1887 273 98.9 88
Show 18322+8415 LDS1888 102 6.0 90
Show 18399+8319 SKF1317 2 115.6 147
Show 18363+8315 MLR 215 104 4.3 150
Show 18059+8815 STF2614 217 1.5 153
Show 18422+8818 HJ 2971 BC 11 61.0 155
Show 18422+8818 HJ 2971 AB 163 50.5 156
Show 18422+8818 HJ 2971 AC 66 28.5 156
Show 18427+8239 LDS1893 310 9.9 186
Show 18293+8235 MLR 212 15 1.5 189
Show 18270+8235 LOC 377 149 4.9 189
Show 18281+8855 LOC 383 205 6.3 192
Show 18438+8228 LOC 393 23 1.9 198
Show 18302+8224 OCA 2 341 3.3 201
Show 18362+8224 MLR 213 342 1.6 201
Show 18349+8223 OCA 3 145 4.7 202
Show 18208+8158 LDS1885 141 10.7 227
Show 18329+8148 LOC 374 287 5.7 237
Show 18053+8129 STF2326 194 16.0 257
Show 18247+8123 LOC 372 63 22.1 261
Show 18384+8107 TDT 969 31 1.5 278

 
 
WDS 18243+8544 : COMPONENTS
 
 
  A
B pa=359.2°
sep=0.78"
 
 
18243+8544 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 182417.09+854333.4 Mag 11.27 Spectral class F8 (yellow-white)
PmRA 12.00 PmDE 10.0 Tycho2 4652-00734-1
Tycho2
Tycho2 4652-00734-1 Pflag RAmdeg 276.07089049 DEmdeg 85.72602426
PmRA 11.5 PmDE 9.6 E RAmdeg 27 E DEmdeg 28
E pmRA 1.6 E pmDE 1.7 EpRAm 1984.26 EpDEm 1984.21
Num 7 Q RAmdeg 1.3 Q DEmdeg 0.8 Q pmRA 1.2
Q pmDE 0.8 BTmag 11.381 E BTmag 0.067 VTmag 10.666
E VTmag 0.055 Prox 904 TYC T HIP
CCDM RAdeg 276.07052861 DEdeg 85.72601028 EpRA 1990 1.73
EpDE 1990 1.69 E RAdeg 37.2 E DEdeg 38.9 Posflg
Corr 0.0
 
 
18243+8544 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 182417.08+854334.2 Mag 11.41 PmRA 12.00
PmDE 10.0 Calc delta mag 0.14 Calc coord yes