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Current system
17091+8456
WFC 188


Nearby doubles
15' : 17199+8503
LDS1867

22' : 17208+8512
LDS1869

25' : 17253+8445
A 857

32' : 17031+8426
LDS1862

33' : 17200+8428
MFL 220

34' : 17116+8423
MFL 257

51' : 16518+8412
TDT 120

92' : 17106+8325
MFL 255

96' : 16500+8630
WRS 7

111' : 17122+8306
MFL 242

116' : 16573+8651
STT 340AB

121' : 17162+8256
MLR 203

133' : 17237+8707
KPP4037

142' : 17162+8235
MFL 258

142' : 17283+8238
MFL 239

142' : 17225+8236
MFL 205

162' : 17002+8737
MFL 212

210' : 17082+8126
TDT 225

217' : 16568+8120
MFL 246

225' : 16521+8113
MFL 245

247' : 17169+8902
HJ 2985

250' : 17090+8047
MFL 243

261' : 17200+8036
TDT 311AB

269' : 16532+8029
MFL 253

288' : 17074+8009
SKF1314



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.

17091+8456 WFC 188

 
 
17h 09m 05.58s +84° 56' 12.9" P.A. 174.00 sep 11.3 mag 11.63,12.43 Sp G0?V
 
 
Coord 2000 17091+8456 Discov num WFC 188 Comp Coord arcsec 2000 17 09 05.58 +84 56 12.9
Date first 1991 Date last 2016 Obs 10
Pa first 178 Pa last 173.8 P.A. Now (θ) 173.8°
Sep first 10.3 Sep last 11.296 Sep. Now (ρ) 11.296"
Mag pri 11.63 Mag sec 12.43 delta mag (ΔM) 0.8 Spectral class G0?V (yellow)
Pri motion ra -027 Sec motion ra -007
Pri motion dec +051 Sec motion dec +000
Notes
rPM=0.949
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ursa Minor Tycho2 4651-01824-1 Gaia DR2 1724456827071116416
 
 
WDS 17091+8456 WFC 188 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
WFC (Washington Fundamental Cat. - astrographs)
WFC1939 Pa - Schlesinger, F. & Barney, I. 1939TOYal..11....1S
WFC1939 Trans. Astron. Obs. Yale Univ., 11, 1, 1939 (-10 to -14 deg zones)
WFC1940a Pa - Schlesinger, F. & Barney, I. 1940TOYal..12a...1S
WFC1940a Trans. Astron. Obs. Yale Univ., 12a, 1, 1940 (-14 to -18 deg zones)
WFC1940b Pa - Schlesinger, F. & Barney, I. 1940TOYal..12b...1S
WFC1940b Trans. Astron. Obs. Yale Univ., 12b, 1, 1940 (-18 to -20 deg zones)
WFC1943a Pa - Schlesinger, F. & Barney, I. 1943TOYal..13a...1S
WFC1943a Trans. Astron. Obs. Yale Univ., 13a, 1, 1943 (-20 to -22 deg zones)
WFC1943b Pa - Schlesinger, F. & Barney, I. 1943TOYal..13b...1S
WFC1943b Trans. Astron. Obs. Yale Univ., 13b, 1, 1943 (-27 to -30 deg zones)
WFC1943c Pa - Schlesinger, F. & Barney, I. 1943TOYal..14....1S
WFC1943c Trans. Astron. Obs. Yale Univ., 14, 1, 1943 (-22 to -27 deg zones)
WFC1945a Pa - Barney, I. 1945TOYal..16....1B
WFC1945a Trans. Astron. Obs. Yale Univ., 16, 1, 1945 (-06 to -10 deg zones)
WFC1945b Pa - Barney, I. 1945TOYal..17....1B
WFC1945b Trans. Astron. Obs. Yale Univ., 17, 1, 1945 (-02 to -06 deg zones)
WFC1947 Pa - Barney, I. 1947TOYal..18....1B
WFC1947 Trans. Astron. Obs. Yale Univ., 18, 1, 1947 (+15 to +20 deg zones)
WFC1948 Pa - Barney, I. 1948TOYal..19....1B
WFC1948 Trans. Astron. Obs. Yale Univ., 19, 1, 1948 (+09 to +15 deg zones)
WFC1949 Pa - Barney, I. 1949TOYal..20....1B
WFC1949 Trans. Astron. Obs. Yale Univ., 20, 1, 1949 (+01 to +05 deg zones)
WFC1950a Pa - Baillaud, J. .
WFC1950a Paris Obs., 1950 (+17 to +25 deg zones)
WFC1950b Pa - Barney, I. 1950TOYal..21....1B
WFC1950b Trans. Astron. Obs. Yale Univ., 21, 1, 1950 (+01 to -02 deg zones)
WFC1950c Pa - Barney, I. 1950TOYal..22A...1B
WFC1950c Trans. Astron. Obs. Yale Univ., 22, 1, 1950 (+05 to +09 deg zones)
WFC1953 Pa - Barney, I. 1953TOYal..24....1B
WFC1953 Trans. Astron. Obs. Yale Univ., 24, 1, 1954 (+25 to +30 deg zones)
WFC1954a Pa - Jackson, J. & Stoy R.H. 1954AnCap..17.....J
WFC1954a Ann. Cape Obs. London 17, 1954
WFC1954a Cape Photographic Catalogue for 1950.0., Vol. 17: Zone -30 deg to -35 deg
WFC1954b Pa - Jackson, J. & Stoy R.H. 1954AnCap..18.....J
WFC1954b Ann. Cape Obs. London 18, 1954
WFC1954b Cape Photographic Catalogue for 1950.0., Vol. 18: Zone -35 deg to -40 deg
WFC1954c Pa - Barney, I. 1954TOYal..25....1B
WFC1954c Trans. Astron. Obs. Yale Univ., 25, 1, 1954 (+20 to +25 deg zones)
WFC1954d Pa - Barney, I., Hoffleit, D., & Jones, R.B. 1954TOYal..26....1B
WFC1954d Trans. Astron. Obs. Yale Univ., 26, 1, 1954 (+85 to +90 deg zones)
WFC1955 Pa - Jackson, J. & Stoy R.H. 1955AnCap..19.....J
WFC1955 Ann. Cape Obs. London 19, 1955
WFC1955 Cape Photographic Catalogue for 1950.0., Vol. 19: Zone -52 deg to -56 deg
WFC1958a Pa - Schorr, R. & Kohlschuetter, A. .
WFC1958a AGK2 Cat. North of -2.5 deg, Vol. 1-15, 1958 (Bergedorf)
WFC1958b Pa - Schorr, R. & Kohlschuetter, A. .
WFC1958b AGK2 Cat. North of -2.5 deg, Vol. 1-15, 1958 (Bonn)
WFC1958c Pa - Jackson, J. & Stoy R.H. 1958AnCap..20..155J
WFC1958c Ann. Cape Obs. London, 20, 155, 1958
WFC1958c Cape Photographic Catalogue for 1950.0. Vol. 20: Zones -56 to -60 deg
WFC1958d Pa - Jackson, J. & Stoy R.H. 1958AnCap..20..155J
WFC1958d Ann. Cape Obs., London, 20, 155, 1958
WFC1958d Cape Photographic Catalogue for 1950.0. Vol. 20: Zones -60 to -64 deg
WFC1959a Pa - Barney, I., Hoffleit, D., & Jones, R.B. 1959TOYal..26....1B
WFC1959a Trans. Astron. Obs. Yale Univ., 26, 1, 1959 (+50 to +55 deg zones)
WFC1959b Pa - Barney, I., Hoffleit, D., & Jones, R.B. 1959TOYal..27....1B
WFC1959b Trans. Astron. Obs. Yale Univ., 27, 1, 1959 (+55 to +60 deg zones)
WFC1966a Pa - Stoy R.H. 1966AnCap..21....0S
WFC1966a Ann. Cape Obs. London, 21, 1966
WFC1966a Cape Photographic Catalogue for 1950.0. Vol. 21: Zones -64 to -68 deg
WFC1966b Pa - Stoy R.H. 1966AnCap..21....0S
WFC1966b Ann. Cape Obs. London, 21, 1966
WFC1966b Cape Photographic Catalogue for 1950.0. Vol. 21: Zones -68 to -72 deg
WFC1966c Pa - Stoy R.H. 1966AnCap..21....0S
WFC1966c Ann. Cape Obs. London, 21, 1966
WFC1966c Cape Photographic Catalogue for 1950.0. Vol. 21: Zones -72 to -76 deg
WFC1966d Pa - Stoy R.H. 1966AnCap..21....0S
WFC1966d Ann. Cape Obs. London, 21, 1966
WFC1966d Cape Photographic Catalogue for 1950.0. Vol. 21: Zones -76 to -80 deg
WFC1967 Pa - Hoffleit, D. 1967TOYal..28....1H
WFC1967 Trans. Astron. Obs. Yale Univ., 28, 1, 1967 (-30 to -35 deg zones)
WFC1968a Pa - Stoy R.H. 1968AnCap..22..125S
WFC1968a Ann. Cape Obs., London, 22, 125, 1968
WFC1968a Cape Photographic Catalogue for 1950.0. Vol. 22: Zones -80 to -89 deg
WFC1968b Pa - Hoffleit, D. 1968TOYal..29....1H
WFC1968b Trans. Astron. Obs. Yale Univ., 29, 1, 1968 (-35 to -40 deg zones)
WFC1970 Pa - Hoffleit, D., Eckert, D., Lu, P., & Paranya, K. 1970TOYal..30....1H
WFC1970 Trans. Astron. Obs. Yale Univ., 30, 1, 1970 (-40 to -50 deg zones)
WFC1971 Pa - Lu, P.K. 1971TOYal..31....1L
WFC1971 Trans. Astron. Obs. Yale Univ., 31, 1, 1971 (-70 to -90 deg zones)
WFC1975 Pa - Dieckvoss, W. .
WFC1975 AGK3 Cat. North of -2.5 deg dec, Vol. 1-8, 1975
WFC1983a Pa - Eichhorn, H., Googe, W.D., Lukac, C.F., & Murphy, J.K. 1983AJ.....88..546E
WFC1983a AJ 88, 546, 1983 (Sydney Obs. -48 to -54 deg zones)
WFC1983b Pa - King, D.S. & Lomb, N.R. 1983RSNSW.116...53K
WFC1983b Journal & Proc., Royal Soc. New South Wales 116, 53-70, 1983
WFC1983b (Sydney Obs. -51 to -63.5 deg zones)
WFC1983c Pa - Fallon, F.W. & Hoffleit, D. 1983TrAOY..32....1F
WFC1983c Trans. Astron. Obs. Yale Univ., 32, 1, 1983 (-60 to -70 deg zones)
WFC1992 Pa - Zacharias, N., de Vegt, C., Nicholson, W., & Penston, M.J. 1992A&A...254..397Z
WFC1992 A&A 254, 397, 1992 (CPC2)
WFC1994 Pa - Bystrov, N.F., Polojentsev, D.D, Potter, H.I., Yagudin, L.I., & Zallez, R.F. 1994BICDS..44....3B
WFC1994 Bull. Inf. CDS 44, 3, 1994 (FOKAT)
WFC1998 Pa j Urban, S.E., Corbin, T.E., Wycoff, G.L., Martin, J.C., Jackson, E.S., 1998AJ....115.1212U
WFC1998 Zacharias, M.I., & Hall, D.M.
WFC1998 AJ 115, 1212, 1998 (Astrographic Cat. 2000)
WFC1999 Pa - Zacharias, N. & Zacharias, M.I. 1999AJ....118.2503Z
WFC1999 AJ 118, 2503, 1999
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17091+8456 WFC 188 1899 2 203 7.5 12.30 12.70 170907.90+845610.0
17091+8456 WFC 188 1999 4 176 10.6 11.63 12.43 D 170905.58+845612.9
17091+8456 WFC 188 2004 5 175 10.7 11.63 12.43 D 170905.58+845612.9
17091+8456 WFC 188 2010 6 174 10.3 11.63 12.43 G0?V 170905.58+845612.9
17091+8456 WFC 188 2016 7 175 11.3 11.63 12.43 G0?V 170905.58+845612.9

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

 
 
WDS 17091+8456 WFC 188 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17091+8456 WFC 188 : MEASURES
 
 
No records found.

 
 
WDS 17091+8456 : VIRTUAL EYEPIECE
 
 

17091+8456 WFC 188A mag 11.63 Sp G0?V 17091+8456 WFC 188B sep 11.2 P.A. 179.50 mag 12.43 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 17091+8456 : ALADIN DSS IMAGE @ 17h 09m 05.58s +84° 56' 12.9"
 
 
 
 
WDS 17091+8456 WFC 188 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17091+8456 WFC 188 distance=0' 17011+8456 MFL 247AC distance=11' 17199+8503 LDS1867 distance=15' 17208+8512 LDS1869 distance=22' 17253+8445 A 857 distance=25' 17031+8426 LDS1862 distance=32' 17200+8428 MFL 220 distance=33' 17116+8423 MFL 257 distance=34' 16518+8412 TDT 120 distance=51' 17106+8325 MFL 255 distance=92' 16500+8630 WRS 7 distance=96' 17122+8306 MFL 242 distance=111' 16573+8651 STT 340AB distance=116' 16573+8651 WAL 75AC distance=116' 17162+8256 MLR 203 distance=121' 17237+8707 KPP4037 distance=133' 17162+8235 MFL 258 distance=142' 17283+8238 MFL 239 distance=142' 17225+8236 MFL 205 distance=142' 17002+8737 MFL 212 distance=162' 17082+8126 TDT 225 distance=210' 16568+8120 MFL 246 distance=217' 16521+8113 MFL 245 distance=225' 17169+8902 HJ 2985 distance=247' 17090+8047 MFL 243 distance=250' 17200+8036 TDT 311AB distance=261' 16532+8029 MFL 253 distance=269' 17074+8009 SKF1314 distance=288' 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 17091+8456 WFC 188 174 11.3
Show 17011+8456 MFL 247 AC 18 1.4 11
Show 17199+8503 LDS1867 3 14.4 15
Show 17208+8512 LDS1869 309 77.8 22
Show 17253+8445 A 857 46 2.1 25
Show 17031+8426 LDS1862 335 12.6 32
Show 17200+8428 MFL 220 42 7.6 33
Show 17116+8423 MFL 257 353 11.2 34
Show 16518+8412 TDT 120 289 0.6 51
Show 17106+8325 MFL 255 56 50.4 92
Show 16500+8630 WRS 7 112 4.3 96
Show 17122+8306 MFL 242 286 17.9 111
Show 16573+8651 STT 340 AB 221 31.4 116
Show 16573+8651 WAL 75 AC 92 78.1 116
Show 17162+8256 MLR 203 240 0.4 121
Show 17237+8707 KPP4037 208 1.8 133
Show 17162+8235 MFL 258 70 10.9 142
Show 17283+8238 MFL 239 18 9.7 142
Show 17225+8236 MFL 205 239 4.8 142
Show 17002+8737 MFL 212 23 28.5 162
Show 17082+8126 TDT 225 300 0.8 210
Show 16568+8120 MFL 246 171 7.8 217
Show 16521+8113 MFL 245 227 5.0 225
Show 17169+8902 HJ 2985 236 52.4 247
Show 17090+8047 MFL 243 135 45.7 250
Show 17200+8036 TDT 311 AB 154 2.3 261
Show 16532+8029 MFL 253 341 4.2 269
Show 17074+8009 SKF1314 342 9.3 288

 
 
WDS 17091+8456 : COMPONENTS
 
 
  A
B pa=179.5°
sep=11.23"
 
 
17091+8456 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 170905.58+845612.9 Mag 11.63 Spectral class G0?V (yellow)
PmRA -27.00 PmDE 51.0 Tycho2 4651-01824-1
Tycho2
Tycho2 4651-01824-1 Pflag RAmdeg 257.27328818 DEmdeg 84.93692101
PmRA -30.6 PmDE 44.4 E RAmdeg 62 E DEmdeg 54
E pmRA 2.2 E pmDE 2.3 EpRAm 1981.89 EpDEm 1985.13
Num 3 Q RAmdeg 0.1 Q DEmdeg 5.5 Q pmRA 0.1
Q pmDE 5.4 BTmag 12.309 E BTmag 0.141 VTmag 11.625
E VTmag 0.104 Prox 103 TYC HIP
CCDM RAdeg 257.27408306 DEdeg 84.93681944 EpRA 1990 1.74
EpDE 1990 1.75 E RAdeg 65.5 E DEdeg 56.3 Posflg
Corr 0.0
 
 
17091+8456 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 170905.66+845601.7 Mag 12.43 PmRA -7.00
PmDE 0.0 Tycho2 4651-02008-1 Calc delta mag 0.8 Calc coord yes
Tycho2
Tycho2 4651-02008-1 Pflag RAmdeg 257.27553806 DEmdeg 84.93395918
PmRA -4.4 PmDE -0.2 E RAmdeg 81 E DEmdeg 71
E pmRA 2.3 E pmDE 2.3 EpRAm 1974.95 EpDEm 1980.27
Num 3 Q RAmdeg 1.3 Q DEmdeg 0.6 Q pmRA 1.3
Q pmDE 0.7 BTmag 12.651 E BTmag 0.194 VTmag 12.433
E VTmag 0.182 Prox 103 TYC HIP
CCDM RAdeg 257.27565278 DEdeg 84.93395944 EpRA 1990 1.73
EpDE 1990 1.77 E RAdeg 89.5 E DEdeg 75.7 Posflg
Corr 0.0