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Current system
17011+8456
MFL 247 AC


Nearby doubles
11' : 17091+8456
WFC 188

25' : 17199+8503
LDS1867

30' : 17208+8512
LDS1869

31' : 17031+8426
LDS1862

37' : 17116+8423
MFL 257

39' : 17200+8428
MFL 220

46' : 16518+8412
TDT 120

71' : 16412+8603
MLR 352AB

93' : 17106+8325
MFL 255

95' : 16500+8630
WRS 7

112' : 17122+8306
MFL 242

115' : 16573+8651
STT 340AB

123' : 17162+8256
MLR 203

142' : 16480+8236
KPP 380

143' : 17162+8235
MFL 258

159' : 16437+8221
LDS1856

162' : 17002+8737
MFL 212

176' : 16460+8202
HDO 143AB

186' : 16423+8801
LDS1861

188' : 16475+8150
FOX 195

188' : 16441+8151
BU 955

210' : 17082+8126
TDT 225

216' : 16568+8120
MFL 246

224' : 16521+8113
MFL 245

225' : 16481+8112
MFL 221

247' : 17169+8902
HJ 2985



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

17011+8456 MFL 247 AC

 
 
17h 01m 05.92s +84° 56' 03.5" P.A. 18.00 sep 1.4 mag 14.80,17.30
 
 
Coord 2000 17011+8456 Discov num MFL 247 Comp AC Coord arcsec 2000 17 01 05.92 +84 56 03.5
Date first 2015 Date last 2015 Obs 1
Pa first 18 Pa last 18.2 P.A. Now (θ) 18.2°
Sep first 1.4 Sep last 1.41 Sep. Now (ρ) 1.41"
Mag pri 14.80 Mag sec 17.30 delta mag (ΔM) 2.5 Spectral class
Pri motion ra -014 Sec motion ra -013
Pri motion dec +143 Sec motion dec +145
Notes T W (Parallax indicates physical, )
rPM=0.015 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ursa Minor
 
 
WDS 17011+8456 MFL 247 AC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
MFL2018 C u Martinez, Fernando Limon 2018OED....21...80M
MFL2018 El Observador de Estrellas Dobles, Issue #21, 80, 2018
MFL2019a Hg u Martinez, Fernando Limon 2019OED....22...22M
MFL2019a El Observador de Estrellas Dobles, Issue #22, 22, 2019
MFL2019b C u Martinez, Fernando Limon 2019OED....22...53M
MFL2019b El Observador de Estrellas Dobles, Issue #22, 53, 2019
MFL2019c Hg u Martinez, Fernando Limon 2019OED....23...18M
MFL2019c El Observador de Estrellas Dobles, Issue #23, 18, 2019
MFL2019c Note: pairs already in WDS or WDSS not added.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17011+8456 MFL 247 AC 2015 1 18 1.4 14.80 17.30 TW 170105.92+845603.5

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

 
 
WDS 17011+8456 MFL 247 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17011+8456 MFL 247 AC : MEASURES
 
 
No records found.

 
 
WDS 17011+8456 : VIRTUAL EYEPIECE
 
 

17011+8456 MFL 247A mag 14.8 17011+8456 MFL 247C sep 1.3 P.A. 1.70 mag 17.3 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 17011+8456 : ALADIN DSS IMAGE @ 17h 01m 05.92s +84° 56' 03.5"
 
 
 
 
WDS 17011+8456 MFL 247 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17011+8456 MFL 247AC distance=1' 17091+8456 WFC 188 distance=11' 17199+8503 LDS1867 distance=25' 17208+8512 LDS1869 distance=30' 17031+8426 LDS1862 distance=31' 17116+8423 MFL 257 distance=37' 17200+8428 MFL 220 distance=39' 16518+8412 TDT 120 distance=46' 16412+8603 MLR 352AB distance=71' 17106+8325 MFL 255 distance=93' 16500+8630 WRS 7 distance=95' 17122+8306 MFL 242 distance=112' 16573+8651 STT 340AB distance=115' 16573+8651 WAL 75AC distance=115' 17162+8256 MLR 203 distance=123' 16480+8236 KPP 380 distance=142' 17162+8235 MFL 258 distance=143' 16437+8221 LDS1856 distance=159' 17002+8737 MFL 212 distance=162' 16460+8202 HDO 143AB distance=176' 16423+8801 LDS1861 distance=186' 16475+8150 FOX 195 distance=188' 16441+8151 BU 955 distance=188' 17082+8126 TDT 225 distance=210' 16568+8120 MFL 246 distance=216' 16521+8113 MFL 245 distance=224' 16481+8112 MFL 221 distance=225' 17169+8902 HJ 2985 distance=247' 17090+8047 MFL 243 distance=250' 16418+8048 MFL 209 distance=251' 17200+8036 TDT 311AB distance=262' 16532+8029 MFL 253 distance=268' 17074+8009 SKF1314 distance=288' 16480+7957 MFL 248 distance=301' 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 17011+8456 MFL 247 AC 18 1.4 1
Show 17091+8456 WFC 188 174 11.3 11
Show 17199+8503 LDS1867 3 14.4 25
Show 17208+8512 LDS1869 309 77.8 30
Show 17031+8426 LDS1862 335 12.6 31
Show 17116+8423 MFL 257 353 11.2 37
Show 17200+8428 MFL 220 42 7.6 39
Show 16518+8412 TDT 120 289 0.6 46
Show 16412+8603 MLR 352 AB 257 29.2 71
Show 17106+8325 MFL 255 56 50.4 93
Show 16500+8630 WRS 7 112 4.3 95
Show 17122+8306 MFL 242 286 17.9 112
Show 16573+8651 STT 340 AB 221 31.4 115
Show 16573+8651 WAL 75 AC 92 78.1 115
Show 17162+8256 MLR 203 240 0.4 123
Show 16480+8236 KPP 380 197 4.9 142
Show 17162+8235 MFL 258 70 10.9 143
Show 16437+8221 LDS1856 13 10.4 159
Show 17002+8737 MFL 212 23 28.5 162
Show 16460+8202 HDO 143 AB 1 76.6 176
Show 16423+8801 LDS1861 350 51.6 186
Show 16475+8150 FOX 195 88 12.4 188
Show 16441+8151 BU 955 357 0.9 188
Show 17082+8126 TDT 225 300 0.8 210
Show 16568+8120 MFL 246 171 7.8 216
Show 16521+8113 MFL 245 227 5.0 224
Show 16481+8112 MFL 221 254 20.3 225
Show 17169+8902 HJ 2985 236 52.4 247
Show 17090+8047 MFL 243 135 45.7 250
Show 16418+8048 MFL 209 186 30.6 251
Show 17200+8036 TDT 311 AB 154 2.3 262
Show 16532+8029 MFL 253 341 4.2 268
Show 17074+8009 SKF1314 342 9.3 288
Show 16480+7957 MFL 248 95 18.8 301

 
 
WDS 17011+8456 : COMPONENTS
 
 
  A
C pa=1.7°
sep=1.34"
 
 
17011+8456 A
 
 
Coord arcsec 2000 170105.92+845603.5 Mag 14.8 PmRA -14.00 PmDE 143.0
 
 
17011+8456 C
 
 
Coord arcsec 2000 170105.95+845604.8 Mag 17.3 PmRA -13.00 PmDE 145.0
Calc delta mag 2.5 Calc coord yes