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Current system
20028+2331
BKO 756 BC


Nearby doubles
7' : 20028+2325
POU4189

11' : 20033+2339
KPP4182

12' : 20032+2322
POU4193

16' : 20033+2318
POU4196

20' : 20039+2320
HLA 25

24' : 20044+2325
POU4201

25' : 20039+2314
BAZ 13

25' : 20029+2356
POU4190

25' : 20041+2347
POU4198

26' : 20039+2351
COU 520AB

29' : 20043+2313
POU4200

33' : 20051+2327
POU4206

36' : 20027+2256
MMA 22

37' : 20050+2313
CHR 92

39' : 20053+2349
POU4208

39' : 20055+2326
BKO 758

41' : 20054+2350
KPP3353

42' : 20057+2336
POU4211

42' : 20057+2320
POU4209AB

43' : 19598+2344
POU4169

43' : 20058+2323
POU4213

44' : 20027+2415
POU4187

45' : 20059+2320
BKO 760

46' : 20058+2313
POU4212

47' : 20019+2417
POU4186

48' : 20059+2353
POU4214



Selections
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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.

20028+2331 BKO 756 BC

 
 
20h 02m 44.02s +23° 31' 33.9" P.A. 218.00 sep 5.2 mag 14.00,13.50
 
 
Coord 2000 20028+2331 Discov num BKO 756 Comp BC Coord arcsec 2000 20 02 44.02 +23 31 33.9
Date first 2000 Date last 2015 Obs 7
Pa first 218 Pa last 218.3 P.A. Now (θ) 218.3°
Sep first 6.1 Sep last 5.231 Sep. Now (ρ) 5.231"
Mag pri 14.00 Mag sec 13.50 delta mag (ΔM) 0.5 Spectral class
Pri motion ra -029 Sec motion ra +008
Pri motion dec -041 Sec motion dec +011
Notes
rPM=1.271
This double is not physical.
 
 
20028+2331 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 02 45 +23 31 21 POU 4188 AB 2015 8 313 16.6 10.54 14.00 3.46
Show 20 02 45 +23 31 21 BKO 756 AC 2015 8 296 16.9 10.50 13.50 3.00
Show 20 02 44 +23 31 34 BKO 756 BC 2015 7 218 5.2 14.00 13.50 0.50 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vulpecula Gaia DR2 1833312154739979136
 
 
WDS 20028+2331 BKO 756 BC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Bko2002 C - Ladanyi, T. & Berko, E. ...................
Bko2002 Webb Soc., Double Star Circ. 10, 2002
Bko2003 C u Ladanyi, T., Berko, E. & Vaskuti, G ...................
Bko2003 Webb Soc., Double Star Circ. 11, 2003
Bko2004 C u Berko, E., Ladanyi, T. & Vaskuti, G ...................
Bko2004 Webb Soc., Double Star Circ. 12, 2004
Bko2005 C u Berko, E., Ladanyi, T. & Vaskuti, G ...................
Bko2005 Webb Soc., Double Star Circ. 13, 2005
Bko2008 C u Berko, E. & Vaskuti, G. ...................
Bko2008 Webb Soc., Double Star Circ. 16, 2008
Bko2008b C u Berko, E. 2008JDSO....4..144B
Bko2008b JDSO 4, 144, 2008
Bko2009 C u Berko, E. 2009JDSO....5...49B
Bko2009 JDSO 5, 49, 2009
Bko2009b C u Berko, E. 2009JDSO....5..168B
Bko2009b JDSO 5, 168, 2009
Bko2009c C u Berko, E. ...................
Bko2009c Webb Soc., Double Star Circ. 17, 2009
Bko2009d C u Berko, E. 2009JDSO....5..189B
Bko2009d JDSO 5, 189, 2009
Bko2010a C u Berko, E. 2010JDSO....6...21B
Bko2010a JDSO 6, 21, 2010
Bko2010b C u Berko, E. ...................
Bko2010b Webb Soc., Double Star Circ. 18, 2010
Bko2011a C u Berko, E. 2011JDSO....7....2B
Bko2011a JDSO 7, 2, 2011
Bko2011b C u Berko, E. ...................
Bko2011b Webb Soc., Double Star Circ. 19, 29, 2011 (BKO 898 - BKO 980)
Bko2011c C u Berko, E. ...................
Bko2011c Webb Soc., Double Star Circ. 19, 42, 2011 (BKO 981 - BKO1042)
Bko2012 C u Berko, E. ...................
Bko2012 Webb Soc., Double Star Circ. 20, 2012
Pou1933 Pa - Pourteau, M. A. .
Pou1933 Cat. des etoiles doubles de la zone +24deg de la carte photog. du ciel, 1933
Pou1933 (Obs. de Paris, H. Tessier) [QB821.P7]
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20028+2331 BKO 756 BC 2009 1 215 5.3 14.00 13.50 200244.02+233133.9
20028+2331 BKO 756 BC 2015 4 218 5.3 14.00 13.50 200244.02+233133.9

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

 
 
WDS 20028+2331 BKO 756 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20028+2331 BKO 756 BC : MEASURES
 
 
No records found.

 
 
WDS 20028+2331 : VIRTUAL EYEPIECE
 
 

20028+2331 POU4188A mag 10.54 20028+2331 BKO 756B sep 16.6 P.A. 321.00 mag 14 20028+2331 BKO 756C sep 15.8 P.A. 297.50 mag 13.5 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20028+2331 : ALADIN DSS IMAGE @ 20h 02m 44.02s +23° 31' 33.9"
 
 
 
 
WDS 20028+2331 BKO 756 BC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20028+2331 BKO 756BC distance=0' 20028+2331 POU4188AB distance=1' 20028+2331 BKO 756AC distance=1' 20028+2325 POU4189 distance=7' 20033+2339 KPP4182 distance=11' 20032+2322 POU4193 distance=12' 20033+2318 POU4196 distance=16' 20039+2320 HLA 25 distance=20' 20044+2325 POU4201 distance=24' 20039+2314 BAZ 13 distance=25' 20029+2356 POU4190 distance=25' 20041+2347 POU4198 distance=25' 20039+2351 COU 520AB distance=26' 20039+2351 GII 288Aa,Ab distance=26' 20043+2313 POU4200 distance=29' 20051+2327 POU4206 distance=33' 20027+2256 MMA 22 distance=36' 20050+2313 CHR 92 distance=37' 20053+2349 POU4208 distance=39' 20055+2326 BKO 758 distance=39' 20054+2350 KPP3353 distance=41' 20057+2336 POU4211 distance=42' 20057+2320 POU4209AB distance=42' 20057+2320 POU4210AC distance=42' 20057+2320 BKO 759AD distance=42' 19598+2344 POU4169 distance=43' 20058+2323 POU4213 distance=43' 20027+2415 POU4187 distance=44' 20059+2320 BKO 760 distance=45' 20058+2313 POU4212 distance=46' 20019+2417 POU4186 distance=47' 20059+2353 POU4214 distance=48' 20016+2418 BKO 754 distance=49' 19593+2322 POU4162 distance=49' 20034+2243 J 1222 distance=50' 20017+2420 POU4185 distance=51' 20003+2251 A 169 distance=53' 20001+2409 BKO 749 distance=53' 19590+2332 POU4161 distance=53' 19594+2357 POU4166 distance=53' 20002+2251 ROE 10 distance=53' 20065+2345 POU4215 distance=53' 20065+2338 POU4216 distance=53' 20001+2410 DAM 671CD distance=53' 20001+2410 POU4173AB distance=53' 20001+2410 POU4174AC distance=53' 20001+2411 BKO 748 distance=54' 20030+2426 POU4191 distance=55' 20007+2243 BAK 1AB distance=57' 20007+2243 HLA 23AC distance=57' 20007+2243 HLA 23AD distance=57' 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 20028+2331 BKO 756 BC 218 5.2
Show 20028+2331 POU4188 AB 313 16.6 1
Show 20028+2331 BKO 756 AC 296 16.9 1
Show 20028+2325 POU4189 84 5.3 7
Show 20033+2339 KPP4182 121 1.8 11
Show 20032+2322 POU4193 170 6.5 12
Show 20033+2318 POU4196 1 9.1 16
Show 20039+2320 HLA 25 1 9.0 20
Show 20044+2325 POU4201 163 17.0 24
Show 20039+2314 BAZ 13 76 2.7 25
Show 20029+2356 POU4190 167 4.2 25
Show 20041+2347 POU4198 248 18.4 25
Show 20039+2351 COU 520 AB 144 1.6 26
Show 20039+2351 GII 288 Aa,Ab 49 0.1 26
Show 20043+2313 POU4200 275 13.1 29
Show 20051+2327 POU4206 155 12.8 33
Show 20027+2256 MMA 22 31 11.6 36
Show 20050+2313 CHR 92 34 0.0 37
Show 20053+2349 POU4208 169 19.2 39
Show 20055+2326 BKO 758 339 8.0 39
Show 20054+2350 KPP3353 312 11.9 41
Show 20057+2336 POU4211 13 14.2 42
Show 20057+2320 POU4209 AB 51 15.1 42
Show 20057+2320 POU4210 AC 286 13.8 42
Show 20057+2320 BKO 759 AD 222 1.6 42
Show 19598+2344 POU4169 70 8.1 43
Show 20058+2323 POU4213 28 9.5 43
Show 20027+2415 POU4187 147 19.6 44
Show 20059+2320 BKO 760 233 9.1 45
Show 20058+2313 POU4212 106 11.9 46
Show 20019+2417 POU4186 281 16.8 47
Show 20059+2353 POU4214 79 9.8 48
Show 20016+2418 BKO 754 185 4.6 49
Show 19593+2322 POU4162 285 6.0 49
Show 20034+2243 J 1222 72 1.9 50
Show 20017+2420 POU4185 131 11.9 51
Show 20003+2251 A 169 190 1.3 53
Show 20001+2409 BKO 749 262 7.1 53
Show 19590+2332 POU4161 169 13.4 53
Show 19594+2357 POU4166 266 8.4 53
Show 20002+2251 ROE 10 66 9.1 53
Show 20065+2345 POU4215 275 6.0 53
Show 20065+2338 POU4216 301 13.2 53
Show 20001+2410 DAM 671 CD 338 3.7 53
Show 20001+2410 POU4173 AB 273 6.4 53
Show 20001+2410 POU4174 AC 210 16.8 53
Show 20001+2411 BKO 748 213 2.1 54
Show 20030+2426 POU4191 81 17.7 55
Show 20007+2243 BAK 1 AB 244 11.3 57
Show 20007+2243 HLA 23 AC 208 7.3 57
Show 20007+2243 HLA 23 AD 228 8.3 57

 
 
WDS 20028+2331 : COMPONENTS
 
 
  A B
B pa=321.0°
sep=16.60"
 
C pa=297.5°
sep=15.81"
pa=212.5°
sep=6.65"
 
 
20028+2331 A
 
 
Coord arcsec 2000 200244.78+233121.0 Mag 10.54 PmRA 57.00 PmDE 50.0
Tycho2 2141-00911-1 HD 345559
Tycho2
Tycho2 2141-00911-1 Pflag RAmdeg 300.68662691 DEmdeg 23.52252560
PmRA 56.9 PmDE 48.8 E RAmdeg 25 E DEmdeg 24
E pmRA 1.4 E pmDE 1.4 EpRAm 1987.18 EpDEm 1986.40
Num 4 Q RAmdeg 0.8 Q DEmdeg 0.5 Q pmRA 0.7
Q pmDE 0.6 BTmag 11.144 E BTmag 0.046 VTmag 10.539
E VTmag 0.040 Prox 999 TYC T HIP
CCDM RAdeg 300.68648667 DEdeg 23.52241028 EpRA 1990 1.72
EpDE 1990 1.66 E RAdeg 27.3 E DEdeg 27.7 Posflg
Corr 0.3
 
 
20028+2331 B
 
 
Coord arcsec 2000 200244.02+233133.9 Coord calc 200244.02+233133.9 Mag 14 PmRA -29.00
PmDE -41.0 Calc delta mag 3.46
 
 
20028+2331 C
 
 
Coord arcsec 2000 200243.76+233128.3 Mag 13.5 PmRA 8.00 PmDE 11.0
Calc delta mag 2.96 Calc coord yes