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20544+3929
BKO 469


Nearby doubles
4' : 20547+3929
GRV 395

7' : 20549+3933
BKO 471

8' : 20550+3929
SEI1311

8' : 20545+3937
BRT2281

13' : 20555+3932
BKO 472

15' : 20551+3941
MLB 886

16' : 20546+3914
MLB 780AB

16' : 20550+3914
ES 1983

17' : 20552+3915
MLB 782AB

17' : 20549+3913
MLB 781

18' : 20555+3940
MLB 783

19' : 20553+3944
SEI1315

19' : 20531+3940
SEI1292

19' : 20559+3922
MLB 957

20' : 20559+3921
MLB 958

20' : 20528+3925
SEI1290

22' : 20554+3910
ES 1984

23' : 20556+3912
SEI1319

23' : 20556+3911
MLB 784

24' : 20555+3909
MLB 887

26' : 20554+3907
TDT2629

26' : 20566+3932
SEI1325

27' : 20558+3951
LDS2469

30' : 20558+3905
MLB 956

30' : 20546+3900
SEI1308

31' : 20569+3922
SEI1326



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

20544+3929 BKO 469

 
 
20h 54m 24.40s +39° 29' 04.5" P.A. 328.00 sep 4.7 mag 12.60,14.00
 
 
Coord 2000 20544+3929 Discov num BKO 469 Comp Coord arcsec 2000 20 54 24.40 +39 29 04.5
Date first 1998 Date last 2015 Obs 4
Pa first 328 Pa last 328.3 P.A. Now (θ) 328.3°
Sep first 4.8 Sep last 4.705 Sep. Now (ρ) 4.705"
Mag pri 12.60 Mag sec 14.00 delta mag (ΔM) 1.4 Spectral class
Pri motion ra -011 Sec motion ra -087
Pri motion dec -014 Sec motion dec +056
Notes
rPM=0.999
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1872899413748416896
 
 
WDS 20544+3929 BKO 469 : 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
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20544+3929 BKO 469 2008 1 323 4.9 12.60 14.00 205424.40+392904.5
20544+3929 BKO 469 2015 4 328 4.7 12.60 14.00 205424.40+392904.5

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

 
 
WDS 20544+3929 BKO 469 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20544+3929 BKO 469 : MEASURES
 
 
No records found.

 
 
WDS 20544+3929 : VIRTUAL EYEPIECE
 
 

20544+3929 BKO 469A mag 12.6 20544+3929 BKO 469B sep 4.4 P.A. 334.50 mag 14 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20544+3929 : ALADIN DSS IMAGE @ 20h 54m 24.40s +39° 29' 04.5"
 
 
 
 
WDS 20544+3929 BKO 469 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20544+3929 BKO 469 distance=1' 20547+3929 GRV 395 distance=4' 20549+3933 BKO 471 distance=7' 20550+3929 SEI1311 distance=8' 20545+3937 BRT2281 distance=8' 20555+3932 BKO 472 distance=13' 20551+3941 MLB 886 distance=15' 20546+3914 BKO 470BC distance=15' 20546+3914 MLB 780AB distance=16' 20550+3914 ES 1983 distance=16' 20552+3915 MLB 782AB distance=17' 20552+3915 SEI1313AC distance=17' 20549+3913 MLB 781 distance=17' 20555+3940 MLB 783 distance=18' 20553+3944 SEI1315 distance=19' 20531+3940 SEI1292 distance=19' 20559+3922 MLB 957 distance=19' 20559+3921 MLB 958 distance=20' 20528+3925 SEI1290 distance=20' 20554+3910 ES 1984 distance=22' 20556+3912 SEI1319 distance=23' 20556+3911 MLB 784 distance=23' 20555+3909 MLB 887 distance=24' 20554+3907 TDT2629 distance=26' 20566+3932 SEI1325 distance=26' 20558+3951 LDS2469 distance=27' 20558+3905 MLB 956 distance=30' 20546+3900 SEI1308 distance=30' 20569+3922 SEI1326 distance=31' 20556+3901 HJ 1596 distance=32' 20571+3920 BKO 473 distance=33' 20572+3920 BKO 474 distance=34' 20577+3943 COU2429 distance=35' 20519+3911 SEI1283 distance=35' 20514+3927 TDT2581 distance=36' 20556+3856 MLB 785 distance=36' 20562+3900 ES 2055 distance=36' 20515+3944 DAM 317AB distance=37' 20515+3944 DAM 317AC distance=37' 20556+4004 TDT2634 distance=38' 20514+3945 MLB 779AB distance=39' 20514+3945 DAM 316AC distance=39' 20514+3945 DAM 316AD distance=39' 20577+3926 SEI1334 distance=39' 20578+3923 BKO 475 distance=41' 20566+3858 A 1436 distance=41' 20530+3851 ALI 954 distance=42' 20510+3915 SEI1279BC distance=42' 20510+3915 SEI1279AB distance=42' 20580+3918 BKO 476BD distance=44' 20580+3918 ES 1985AB distance=45' 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 20544+3929 BKO 469 328 4.7 1
Show 20547+3929 GRV 395 211 59.7 4
Show 20549+3933 BKO 471 171 5.5 7
Show 20550+3929 SEI1311 247 8.8 8
Show 20545+3937 BRT2281 73 3.6 8
Show 20555+3932 BKO 472 67 5.7 13
Show 20551+3941 MLB 886 141 7.0 15
Show 20546+3914 BKO 470 BC 280 2.9 15
Show 20546+3914 MLB 780 AB 64 9.6 16
Show 20550+3914 ES 1983 266 6.1 16
Show 20552+3915 MLB 782 AB 344 10.3 17
Show 20552+3915 SEI1313 AC 260 26.9 17
Show 20549+3913 MLB 781 296 8.6 17
Show 20555+3940 MLB 783 288 5.6 18
Show 20553+3944 SEI1315 281 29.0 19
Show 20531+3940 SEI1292 205 24.8 19
Show 20559+3922 MLB 957 134 2.8 19
Show 20559+3921 MLB 958 169 5.3 20
Show 20528+3925 SEI1290 222 14.2 20
Show 20554+3910 ES 1984 115 3.5 22
Show 20556+3912 SEI1319 70 32.1 23
Show 20556+3911 MLB 784 25 4.6 23
Show 20555+3909 MLB 887 246 10.4 24
Show 20554+3907 TDT2629 163 2.5 26
Show 20566+3932 SEI1325 140 27.8 26
Show 20558+3951 LDS2469 2 3.3 27
Show 20558+3905 MLB 956 115 5.0 30
Show 20546+3900 SEI1308 93 6.0 30
Show 20569+3922 SEI1326 14 26.6 31
Show 20556+3901 HJ 1596 295 18.2 32
Show 20571+3920 BKO 473 34 5.4 33
Show 20572+3920 BKO 474 24 3.3 34
Show 20577+3943 COU2429 209 0.8 35
Show 20519+3911 SEI1283 1 22.8 35
Show 20514+3927 TDT2581 146 0.8 36
Show 20556+3856 MLB 785 5 6.4 36
Show 20562+3900 ES 2055 293 7.6 36
Show 20515+3944 DAM 317 AB 95 14.8 37
Show 20515+3944 DAM 317 AC 357 15.2 37
Show 20556+4004 TDT2634 54 1.9 38
Show 20514+3945 MLB 779 AB 124 9.0 39
Show 20514+3945 DAM 316 AC 79 6.3 39
Show 20514+3945 DAM 316 AD 304 13.8 39
Show 20577+3926 SEI1334 106 16.9 39
Show 20578+3923 BKO 475 265 5.5 41
Show 20566+3858 A 1436 52 0.6 41
Show 20530+3851 ALI 954 61 8.9 42
Show 20510+3915 SEI1279 BC 189 7.3 42
Show 20510+3915 SEI1279 AB 147 12.9 42
Show 20580+3918 BKO 476 BD 246 6.0 44
Show 20580+3918 ES 1985 AB 276 8.4 45

 
 
WDS 20544+3929 : COMPONENTS
 
 
  A
B pa=334.5°
sep=4.43"
 
 
20544+3929 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 205424.40+392904.5 Mag 12.6 PmRA -11.00
PmDE -14.0
 
 
20544+3929 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205424.24+392908.5 Mag 14 PmRA -87.00
PmDE 56.0 Calc delta mag 1.4 Calc coord yes