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Current system
19511+2306
BKO 999 BD


Nearby doubles
2' : 19509+2306
BKO 995

2' : 19512+2306
CHE 164

3' : 19507+2306
BKO 992

3' : 19513+2304
CHE 167

4' : 19513+2308
CHE 166AB

4' : 19510+2306
BKO 998AB

4' : 19506+2304
BKO 989

4' : 19513+2309
CHE 165

5' : 19507+2309
BKO 991

7' : 19508+2310
CHE 158

7' : 19512+2308
BKO1001

7' : 19513+2303
BKO1004

9' : 19514+2302
BKO1006

9' : 19518+2303
CHE 173

10' : 19514+2301
BKO1007

11' : 19516+2304
BKO1011

11' : 19516+2306
BKO1010

11' : 19510+2316
BKO 996

11' : 19517+2257
CHE 170

12' : 19517+2301
BKO1014AB

13' : 19503+2314
POU4115

13' : 19512+2253
BKO1002

14' : 19518+2306
BKO1016

14' : 19516+2257
BKO1012

16' : 19513+2319
POU4120

16' : 19498+2310
POU4111



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

19511+2306 BKO 999 BD

 
 
19h 50m 50.39s +23° 04' 53.2" P.A. 170.00 sep 5.8 mag 12.10,13.50
 
 
Coord 2000 19511+2306 Discov num BKO 999 Comp BD Coord arcsec 2000 19 50 50.39 +23 04 53.2
Date first 2000 Date last 2015 Obs 4
Pa first 170 Pa last 170.1 P.A. Now (θ) 170.1°
Sep first 5.9 Sep last 5.814 Sep. Now (ρ) 5.814"
Mag pri 12.10 Mag sec 13.50 delta mag (ΔM) 1.4 Spectral class
Pri motion ra -005 Sec motion ra +074
Pri motion dec +005 Sec motion dec -057
Notes N (See Notes)
rPM=1.075
This double is not physical.
 
 
19511+2306 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 19 50 49 +23 04 47 CHE 162 AB 2015 9 75 23.1 12.57 13.31 0.74
Show 19 50 49 +23 04 47 BKO 999 AC 2015 8 359 7.4 12.40 14.90 2.50
Show 19 50 50 +23 04 53 BKO 999 BD 2015 4 170 5.8 12.10 13.50 1.40 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vulpecula Gaia DR2 1828216639907890944
 
 
WDS 19511+2306 BKO 999 BD : NOTES
 
 
discov_num notes refcode
CHE 162 There was an error in Chevalier's coordinates due to incorrect Che1908
plate center coordinates. In addition, there was a trigonometric
error in deriving theta; the correct value is 180deg - theta. Hrt2012b
Berko's match was actually CHE 164. Bko2011c
 
 
REFERENCES
 
 
refcode metd author reference
Bko2011c C u Berko, E. ...................
Bko2011c Webb Soc., Double Star Circ. 19, 42, 2011 (BKO 981 - BKO1042)
Che1908 Pa - Chevalier, Stanislas .
Che1908 Shanghai Obs. Zo-Se 4, 60, 1908 (corrections described in Bko2011c and Hrt2012b)
Hrt2012b E2 - Hartkopf, W.I. ...................
Hrt2012b Webb Soc., Double Star Circ. 20, 2012
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19511+2306 BKO 999 BD 2008 2 171 5.8 12.10 13.50 195050.39+230453.2
19511+2306 BKO 999 BD 2015 4 170 5.8 12.10 13.50 N 195050.39+230453.2

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

 
 
WDS 19511+2306 BKO 999 BD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19511+2306 BKO 999 BD : MEASURES
 
 
No records found.

 
 
WDS 19511+2306 : VIRTUAL EYEPIECE
 
 

19511+2306 CHE 162A mag 12.57 19511+2306 BKO 999B sep 23.2 P.A. 74.70 mag 12.1 19511+2306 BKO 999C sep 7.4 P.A. 359.40 mag 14.9 19511+2306 BKO 999D sep 23.3 P.A. 89.10 mag 13.5 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 19511+2306 : ALADIN DSS IMAGE @ 19h 50m 50.39s +23° 04' 53.2"
 
 
 
 
WDS 19511+2306 BKO 999 BD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19511+2306 BKO 999BD distance=0' 19511+2306 CHE 162AB distance=1' 19511+2306 BKO 999AC distance=1' 19509+2306 BKO 995 distance=2' 19512+2306 CHE 164 distance=2' 19507+2306 BKO 992 distance=3' 19513+2304 CHE 167 distance=3' 19513+2308 CHE 166AB distance=4' 19513+2308 CHE 166AC distance=4' 19513+2308 BKO 997CD distance=4' 19510+2306 BKO 998AB distance=4' 19510+2306 BKO 998AC distance=4' 19510+2306 BKO 998AD distance=4' 19506+2304 BKO 989 distance=4' 19513+2309 CHE 165 distance=4' 19507+2309 BKO 991 distance=5' 19508+2310 CHE 158 distance=7' 19512+2308 BKO1001 distance=7' 19513+2303 BKO1004 distance=7' 19514+2302 BKO1006 distance=9' 19518+2303 CHE 173 distance=9' 19514+2301 BKO1007 distance=10' 19516+2304 BKO1011 distance=11' 19516+2306 BKO1010 distance=11' 19510+2316 BKO 996 distance=11' 19517+2257 CHE 170 distance=11' 19517+2301 BKO1014AB distance=12' 19517+2301 BKO1014AC distance=12' 19503+2314 POU4115 distance=13' 19512+2253 BKO1002 distance=13' 19518+2306 BKO1016 distance=14' 19516+2257 BKO1012 distance=14' 19513+2319 POU4120 distance=16' 19498+2310 POU4111 distance=16' 19520+2306 BKO1021 distance=17' 19500+2317 BKO 988 distance=17' 19520+2303 BKO1022 distance=17' 19516+2251 BKO1013 distance=18' 19511+2323 CHE 161 distance=18' 19512+2322 BKO1000 distance=18' 19518+2253 BKO1017 distance=19' 19522+2306 BKO1026 distance=19' 19513+2322 BKO1003 distance=19' 19522+2309 BKO1025 distance=20' 19523+2307 CHE 175 distance=21' 19519+2251 BKO1019 distance=21' 19521+2316 BU 979 distance=21' 19514+2244 BKO1008 distance=23' 19523+2249 CHE 176 distance=23' 19518+2245 BKO1018 distance=25' 19498+2324 J 496AB distance=25' 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 19511+2306 BKO 999 BD 170 5.8
Show 19511+2306 CHE 162 AB 75 23.1 1
Show 19511+2306 BKO 999 AC 359 7.4 1
Show 19509+2306 BKO 995 92 6.2 2
Show 19512+2306 CHE 164 108 24.4 2
Show 19507+2306 BKO 992 75 7.0 3
Show 19513+2304 CHE 167 208 10.0 3
Show 19513+2308 CHE 166 AB 257 11.8 4
Show 19513+2308 CHE 166 AC 15 19.5 4
Show 19513+2308 BKO 997 CD 19 12.6 4
Show 19510+2306 BKO 998 AB 47 9.5 4
Show 19510+2306 BKO 998 AC 110 10.8 4
Show 19510+2306 BKO 998 AD 161 8.9 4
Show 19506+2304 BKO 989 22 3.0 4
Show 19513+2309 CHE 165 155 12.1 4
Show 19507+2309 BKO 991 337 9.2 5
Show 19508+2310 CHE 158 148 8.9 7
Show 19512+2308 BKO1001 105 5.1 7
Show 19513+2303 BKO1004 182 9.4 7
Show 19514+2302 BKO1006 206 9.0 9
Show 19518+2303 CHE 173 128 25.0 9
Show 19514+2301 BKO1007 241 7.0 10
Show 19516+2304 BKO1011 240 3.7 11
Show 19516+2306 BKO1010 2 4.9 11
Show 19510+2316 BKO 996 222 5.9 11
Show 19517+2257 CHE 170 62 14.8 11
Show 19517+2301 BKO1014 AB 52 4.7 12
Show 19517+2301 BKO1014 AC 252 7.0 12
Show 19503+2314 POU4115 103 10.5 13
Show 19512+2253 BKO1002 145 6.4 13
Show 19518+2306 BKO1016 27 4.0 14
Show 19516+2257 BKO1012 290 14.1 14
Show 19513+2319 POU4120 228 9.9 16
Show 19498+2310 POU4111 279 9.2 16
Show 19520+2306 BKO1021 242 6.0 17
Show 19500+2317 BKO 988 170 8.9 17
Show 19520+2303 BKO1022 12 4.4 17
Show 19516+2251 BKO1013 280 8.8 18
Show 19511+2323 CHE 161 110 11.9 18
Show 19512+2322 BKO1000 69 2.2 18
Show 19518+2253 BKO1017 87 5.9 19
Show 19522+2306 BKO1026 89 9.2 19
Show 19513+2322 BKO1003 89 3.5 19
Show 19522+2309 BKO1025 107 13.5 20
Show 19523+2307 CHE 175 44 16.6 21
Show 19519+2251 BKO1019 46 7.2 21
Show 19521+2316 BU 979 324 2.7 21
Show 19514+2244 BKO1008 76 8.2 23
Show 19523+2249 CHE 176 126 27.7 23
Show 19518+2245 BKO1018 336 6.3 25
Show 19498+2324 J 496 AB 264 5.1 25

 
 
WDS 19511+2306 : COMPONENTS
 
 
  A B C
B pa=74.7°
sep=23.17"
 
C pa=359.4°
sep=7.44"
pa=273.4°
sep=22.48"
 
D pa=89.1°
sep=23.28"
pa=170.9°
sep=5.80"
pa=106.8°
sep=24.40"
 
 
19511+2306 A
 
 
Coord arcsec 2000 195048.77+230447.1 Mag 12.57 PmRA -7.00 PmDE -8.0
 
 
19511+2306 B
 
 
Coord arcsec 2000 195050.39+230453.2 Coord calc 195050.39+230453.2 Mag 12.1 PmRA -5.00
PmDE 5.0 Calc delta mag 0.47
 
 
19511+2306 C
 
 
Coord arcsec 2000 195048.76+230454.5 Mag 14.9 PmRA -20.00 PmDE 9.0
Calc delta mag 2.33 Calc coord yes
 
 
19511+2306 D
 
 
Coord arcsec 2000 195050.46+230447.5 Mag 13.5 PmRA 74.00 PmDE -57.0
Calc delta mag 0.93 Calc coord yes