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Current system
18430+3445
BKO 52 BD


Nearby doubles
11' : 18421+3445
STF2372AB

15' : 18426+3459
UC 3650

16' : 18425+3432
POP 45

17' : 18438+3433
SEI 573

24' : 18420+3505
SEI 570

25' : 18416+3503
GRV 237

38' : 18458+3431
STF2390

40' : 18403+3425
HDS2645AB

45' : 18464+3500
SLE 367

47' : 18394+3430
SEI 568

48' : 18434+3533
STF2378AB

50' : 18445+3400
STTA172

53' : 18390+3501
POP 17

54' : 18465+3414
COU1153

55' : 18452+3532
STF2386AB

56' : 18393+3517
HJ 1335

59' : 18416+3541
KPP4116

59' : 18385+3503
COU1308

64' : 18475+3415
KPP4122

66' : 18379+3505
POP 16AB

67' : 18379+3506
TRA 1

68' : 18380+3417
LDS4793

68' : 18380+3416
CRB 128

68' : 18483+3432
POP 43

75' : 18370+3452
STF2352AB

76' : 18490+3432
YSC 11



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.

18430+3445 BKO 52 BD

 
 
18h 43m 00.10s +34° 45' 18.9" P.A. 82.00 sep 7.5 mag 11.00,12.50
 
 
Coord 2000 18430+3445 Discov num BKO  52 Comp BD Coord arcsec 2000 18 43 00.10 +34 45 18.9
Date first 1998 Date last 2015 Obs 9
Pa first 80 Pa last 81.7 P.A. Now (θ) 81.7°
Sep first 7.4 Sep last 7.543 Sep. Now (ρ) 7.543"
Mag pri 11.00 Mag sec 12.50 delta mag (ΔM) 1.5 Spectral class
Pri motion ra -010 Sec motion ra -013
Pri motion dec +011 Sec motion dec +009
Notes
rPM=0.228 (< 0.3, Physical double)
This double is physical.
 
 
18430+3445 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 42 59 +34 45 06 SEI 572 AB 2015 14 53 22.3 11.00 11.00 0.00
Show 18 42 59 +34 45 06 BKO 52 AC 2015 11 147 18.7 11.00 12.40 1.40
Show 18 43 00 +34 45 19 BKO 52 BD 2015 9 82 7.5 11.00 12.50 1.50 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra Gaia DR2 2091857224452914048
 
 
WDS 18430+3445 BKO 52 BD : 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
Sei1908 Pa - Scheiner, J. 1908POPot..59.....S
Sei1908 +Po Pub. Obs. Potsdam 20, #59, 1908
Sei1913A Pa - Scheiner, J. 1913QB811.B8.......
Sei1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Sei1932A Pa - Scheiner, J. 1932QB821.A43......
Sei1932A cited in ADS (Aitken Double Star Cat.), 1932
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18430+3445 BKO 52 BD 2002 2 80 7.5 11.00 12.50 D 184300.10+344518.9
18430+3445 BKO 52 BD 2014 4 82 7.5 11.00 12.50 184300.10+344518.9
18430+3445 BKO 52 BD 2015 5 82 7.5 11.00 12.50 184300.10+344518.9

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

 
 
WDS 18430+3445 BKO 52 BD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18430+3445 BKO 52 BD : MEASURES
 
 
No records found.

 
 
WDS 18430+3445 : VIRTUAL EYEPIECE
 
 

18430+3445 SEI 572A mag 11 18430+3445 BKO 52B sep 22.4 P.A. 53.90 mag 11 18430+3445 BKO 52C sep 17.7 P.A. 151.50 mag 12.4 18430+3445 BKO 52D sep 28.1 P.A. 59.50 mag 12.5 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 18430+3445 : ALADIN DSS IMAGE @ 18h 43m 00.10s +34° 45' 18.9"
 
 
 
 
WDS 18430+3445 BKO 52 BD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18430+3445 BKO 52BD distance=1' 18430+3445 SEI 572AB distance=1' 18430+3445 BKO 52AC distance=1' 18421+3445 BLL 34BC distance=11' 18421+3445 B 2546Aa,Ab distance=11' 18421+3445 STF2372AB distance=11' 18421+3445 BLL 34AC distance=11' 18426+3459 UC 3650 distance=15' 18425+3432 POP 45 distance=16' 18438+3433 SEI 573 distance=17' 18420+3505 SEI 570 distance=24' 18416+3503 GRV 237 distance=25' 18458+3431 STF2390 distance=38' 18403+3425 HDS2645AB distance=40' 18403+3425 GII 270Aa,Ab distance=40' 18464+3500 SLE 367 distance=45' 18394+3430 SEI 568 distance=47' 18434+3533 STF2378BC distance=48' 18434+3533 STF2378AB distance=48' 18434+3533 SLE 688AD distance=48' 18434+3533 STF2378AC distance=48' 18434+3533 FYM 48AE distance=48' 18434+3533 FYM 48AF distance=48' 18445+3400 STTA172 distance=50' 18390+3501 POP 17 distance=53' 18465+3414 COU1153 distance=54' 18452+3532 STF2386AB distance=55' 18452+3532 FOX 234AC distance=55' 18393+3517 HJ 1335 distance=56' 18416+3541 KPP4116 distance=59' 18385+3503 COU1308 distance=59' 18475+3415 KPP4122 distance=64' 18379+3505 POP 16AB distance=66' 18379+3505 POP 16AC distance=66' 18379+3505 DAM 688AD distance=66' 18379+3506 TRA 1 distance=67' 18380+3417 LDS4793 distance=68' 18380+3416 CRB 128 distance=68' 18483+3432 POP 43 distance=68' 18370+3452 STF2352AB distance=75' 18370+3452 STF2352AC distance=75' 18370+3452 WAL 93AD distance=75' 18490+3432 YSC 11 distance=76' 18427+3326 UC 3651 distance=80' 18366+3505 COU1307 distance=81' 18487+3401 HU 936 distance=84' 18495+3512 POP 44 distance=85' 18414+3323 TDT 997 distance=85' 18496+3415 COU1155 distance=87' 18360+3452 TDT 953 distance=87' 18462+3328 COU1152 distance=87' 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 18430+3445 BKO 52 BD 82 7.5 1
Show 18430+3445 SEI 572 AB 53 22.3 1
Show 18430+3445 BKO 52 AC 147 18.7 1
Show 18421+3445 BLL 34 BC 65 91.1 11
Show 18421+3445 B 2546 Aa,Ab 24 0.1 11
Show 18421+3445 STF2372 AB 82 25.0 11
Show 18421+3445 BLL 34 AC 69 114.0 11
Show 18426+3459 UC 3650 159 22.3 15
Show 18425+3432 POP 45 275 6.8 16
Show 18438+3433 SEI 573 298 20.9 17
Show 18420+3505 SEI 570 131 9.4 24
Show 18416+3503 GRV 237 176 57.8 25
Show 18458+3431 STF2390 155 4.3 38
Show 18403+3425 HDS2645 AB 19 1.9 40
Show 18403+3425 GII 270 Aa,Ab 109 0.2 40
Show 18464+3500 SLE 367 290 18.5 45
Show 18394+3430 SEI 568 192 10.5 47
Show 18434+3533 STF2378 BC 246 203.5 48
Show 18434+3533 STF2378 AB 190 11.5 48
Show 18434+3533 SLE 688 AD 16 109.8 48
Show 18434+3533 STF2378 AC 243 210.2 48
Show 18434+3533 FYM 48 AE 270 110.9 48
Show 18434+3533 FYM 48 AF 134 66.7 48
Show 18445+3400 STTA172 5 64.9 50
Show 18390+3501 POP 17 16 8.7 53
Show 18465+3414 COU1153 116 0.4 54
Show 18452+3532 STF2386 AB 18 21.1 55
Show 18452+3532 FOX 234 AC 75 56.7 55
Show 18393+3517 HJ 1335 7 16.7 56
Show 18416+3541 KPP4116 252 1.7 59
Show 18385+3503 COU1308 29 0.4 59
Show 18475+3415 KPP4122 53 4.1 64
Show 18379+3505 POP 16 AB 310 9.2 66
Show 18379+3505 POP 16 AC 279 53.0 66
Show 18379+3505 DAM 688 AD 108 5.4 66
Show 18379+3506 TRA 1 164 9.4 67
Show 18380+3417 LDS4793 182 54.2 68
Show 18380+3416 CRB 128 148 11.7 68
Show 18483+3432 POP 43 297 2.6 68
Show 18370+3452 STF2352 AB 287 15.9 75
Show 18370+3452 STF2352 AC 161 210.3 75
Show 18370+3452 WAL 93 AD 204 37.9 75
Show 18490+3432 YSC 11 55 0.4 76
Show 18427+3326 UC 3651 218 10.7 80
Show 18366+3505 COU1307 327 1.2 81
Show 18487+3401 HU 936 101 1.8 84
Show 18495+3512 POP 44 230 9.7 85
Show 18414+3323 TDT 997 139 0.6 85
Show 18496+3415 COU1155 223 3.3 87
Show 18360+3452 TDT 953 136 0.4 87
Show 18462+3328 COU1152 259 1.7 87

 
 
WDS 18430+3445 : COMPONENTS
 
 
  A B C
B pa=53.9°
sep=22.42"
 
C pa=151.5°
sep=17.72"
pa=198.5°
sep=30.34"
 
D pa=59.5°
sep=28.15"
pa=79.9°
sep=6.23"
pa=27.9°
sep=33.77"
 
 
18430+3445 A
 
 
Coord arcsec 2000 184258.63+344505.7 Mag 11 PmRA -4.00 PmDE 3.0
CCDM
Ccdm 18430+3445 RComp Comp A Note1
Note2 Discov num DRAs -1.34 DDEs 5.7
R dRAs 65 Year Theta Rho
Obs 2 Vmag 11.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18394N3439A
HIC
 
 
18430+3445 B
 
 
Coord arcsec 2000 184300.10+344518.9 Coord calc 184300.10+344518.9 Mag 11 PmRA -10.00
PmDE 11.0
CCDM
Ccdm 18430+3445 RComp Comp B Note1
Note2 Discov num SEI 572 DRAs 0.31 DDEs 18.9
R dRAs 65 Year 1894 Theta 059 Rho 23.6
Obs 1 Vmag 11.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18394N3439B
HIC
 
 
18430+3445 C
 
 
Coord arcsec 2000 184259.32+344450.1 Mag 12.4 PmRA 3.00 PmDE -12.0
Calc delta mag 1.4 Calc coord yes
 
 
18430+3445 D
 
 
Coord arcsec 2000 184300.60+344520.0 Mag 12.5 PmRA -13.00 PmDE 9.0
Calc delta mag 1.5 Calc coord yes