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Doubles in session


Current system
20196+4754
BLL 49
U Cyg


Nearby doubles
13' : 20196+4807
ES 503

27' : 20223+4748
HJ 1510AB

32' : 20227+4748
OPI9005

39' : 20233+4807
A 727

45' : 20155+4743
S 743

47' : 20243+4800
TDT2240

49' : 20197+4843
TDT2170

53' : 20179+4705
TDT2148

55' : 20246+4732
STJ 107

56' : 20239+4718
TDT2236

57' : 20142+4744
ES 799AB

59' : 20225+4704
HEI 878

68' : 20246+4842
ES 2694

71' : 20261+4725
TDT2268

73' : 20239+4655
PLT 9

77' : 20126+4729
TDT2089

77' : 20266+4724
HDS2924

79' : 20273+4815
TDT2286

81' : 20146+4652
OPI9004

83' : 20274+4727
A 732

85' : 20246+4904
HEI 908

86' : 20143+4648
ES 27

87' : 20117+4725
TDT2072

87' : 20281+4815
ES 803

88' : 20244+4641
TDT2242

88' : 20135+4653
OPI 23AB



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

20196+4754 BLL 49 (U Cyg)

 
 
20h 19m 41.66s +47° 54' 19.9" P.A. 231.00 sep 65.4 mag 7.97,8.98 Sp R8 dist. 312.5 pc (1019.38 l.y.)
 
 
Coord 2000 20196+4754 Discov num BLL  49 Comp Coord arcsec 2000 20 19 41.66 +47 54 19.9
Date first 1878 Date last 2015 Obs 27
Pa first 231 Pa last 231.3 P.A. Now (θ) 231.3°
Sep first 63.5 Sep last 65.431 Sep. Now (ρ) 65.431"
Mag pri 7.97 Mag sec 8.98 delta mag (ΔM) 1.01 Spectral class R8 (deep red)
Pri motion ra +015 Sec motion ra +002
Pri motion dec +007 Sec motion dec +004
Notes N (See Notes)
rPM=0.806
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name U Cyg Constellation Cygnus SAO 49479 HIP 100230
Tycho2 3576-02095-1 Gaia DR2 2084221257937445120 HD 193700 GC 28290
BD BD+47 3078 Distance 312.5 Distance ly 1019.38
 
 
WDS 20196+4754 BLL 49 (U Cyg) : NOTES
 
 
discov_num notes refcode
BLL 49 A is the Mira-type variable U Cyg. B is BD+47@3078.
 
 
REFERENCES
 
 
refcode metd author reference
Bll1872 orb - Ball, R.S. .
Bll1872 Proc. Royal Irish Acad., June 1872
Bll1884 Ma j Ball, R.S. 1884DunOP...5....1B
Bll1884 Pub. Dunsink Obs. 5, 1, 1884
Bll1913A Ma - Ball, R.S. 1913QB811.B8.......
Bll1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Bll1932A - Ball, R.S. 1932QB821.A43......
Bll1932A 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
20196+4754 BLL 49 2008 19 231 65.4 7.97 8.98 R8 N 201941.66+475419.9
20196+4754 BLL 49 2010 23 232 66.2 7.97 8.98 R8 N 201941.66+475419.9
20196+4754 BLL 49 2015 23 231 65.5 7.97 8.98 R8 N 201941.66+475419.9

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

 
 
WDS 20196+4754 BLL 49 (U Cyg) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20196+4754 BLL 49 (U Cyg) : MEASURES
 
 
No records found.

 
 
WDS 20196+4754 (U Cyg) : VIRTUAL EYEPIECE
 
 

20196+4754 BLL 49A mag 7.97 Sp R8 20196+4754 BLL 49B sep 53.3 P.A. 219.90 mag 8.98 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20196+4754 (U Cyg) : ALADIN DSS IMAGE @ 20h 19m 41.66s +47° 54' 19.9"
 
 
 
 
WDS 20196+4754 BLL 49 (U Cyg) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20196+4754 BLL 49 distance=1' 20196+4807 ES 503 distance=13' 20223+4748 HJ 1510AB distance=27' 20223+4748 ES 29AC distance=27' 20223+4748 ES 29AD distance=27' 20223+4748 ES 29AE distance=27' 20223+4748 HJ 1511EF distance=28' 20227+4748 OPI9005 distance=32' 20233+4807 A 727 distance=39' 20155+4743 S 743 distance=45' 20243+4800 TDT2240 distance=47' 20197+4843 TDT2170 distance=49' 20179+4705 TDT2148 distance=53' 20246+4732 STJ 107 distance=55' 20142+4744 ES 799CD distance=56' 20239+4718 TDT2236 distance=56' 20142+4744 ES 799AB distance=57' 20142+4744 ES 799AC distance=57' 20225+4704 HEI 878 distance=59' 20246+4842 ES 2694 distance=68' 20261+4725 TDT2268 distance=71' 20239+4655 PLT 9 distance=73' 20126+4729 TDT2089 distance=77' 20266+4724 HDS2924 distance=77' 20273+4815 TDT2286 distance=79' 20146+4652 OPI9004 distance=81' 20274+4727 A 732 distance=83' 20246+4904 HEI 908 distance=85' 20143+4648 ES 27 distance=86' 20117+4725 TDT2072 distance=87' 20281+4815 ES 803 distance=87' 20244+4641 TDT2242 distance=88' 20135+4653 OPI 23AB distance=88' 20135+4653 OPI 23AC distance=88' 20281+4822 TDT2302 distance=89' 20280+4829 HU 587 distance=90' 20237+4632 HJ 1513 distance=92' 20136+4644 GUI 30DC distance=93' 20136+4644 ES 26DE distance=93' 20287+4737 GRF 17 distance=93' 20136+4644 WRH 33Aa,Ab distance=94' 20136+4644 HJ 1495AB distance=94' 20136+4644 STFA 50AC distance=94' 20136+4644 STFA 50AD distance=94' 20136+4644 BU 1483AF distance=94' 20139+4642 SMR 69 distance=94' 20136+4644 SMR 68HK distance=94' 20136+4644 SMR 68FJ distance=94' 20202+4620 TDT2181 distance=95' 20136+4644 BU 1483CG distance=95' 20136+4644 BU 1483CH distance=95' 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 20196+4754 BLL 49 231 65.4 1
Show 20196+4807 ES 503 1 5.2 13
Show 20223+4748 HJ 1510 AB 148 4.6 27
Show 20223+4748 ES 29 AC 326 6.7 27
Show 20223+4748 ES 29 AD 318 31.3 27
Show 20223+4748 ES 29 AE 121 55.9 27
Show 20223+4748 HJ 1511 EF 237 11.6 28
Show 20227+4748 OPI9005 231 29.4 32
Show 20233+4807 A 727 61 0.9 39
Show 20155+4743 S 743 175 208.5 45
Show 20243+4800 TDT2240 175 0.6 47
Show 20197+4843 TDT2170 175 0.5 49
Show 20179+4705 TDT2148 51 1.1 53
Show 20246+4732 STJ 107 67 1.1 55
Show 20142+4744 ES 799 CD 72 4.0 56
Show 20239+4718 TDT2236 279 0.9 56
Show 20142+4744 ES 799 AB 14 2.2 57
Show 20142+4744 ES 799 AC 41 34.5 57
Show 20225+4704 HEI 878 10 2.3 59
Show 20246+4842 ES 2694 321 11.9 68
Show 20261+4725 TDT2268 50 0.7 71
Show 20239+4655 PLT 9 27 4.4 73
Show 20126+4729 TDT2089 3 0.3 77
Show 20266+4724 HDS2924 209 1.5 77
Show 20273+4815 TDT2286 50 1.7 79
Show 20146+4652 OPI9004 256 8.0 81
Show 20274+4727 A 732 78 0.7 83
Show 20246+4904 HEI 908 331 2.4 85
Show 20143+4648 ES 27 337 4.1 86
Show 20117+4725 TDT2072 229 0.4 87
Show 20281+4815 ES 803 351 6.1 87
Show 20244+4641 TDT2242 343 0.7 88
Show 20135+4653 OPI 23 AB 283 8.4 88
Show 20135+4653 OPI 23 AC 330 97.1 88
Show 20281+4822 TDT2302 249 1.4 89
Show 20280+4829 HU 587 338 0.6 90
Show 20237+4632 HJ 1513 325 13.8 92
Show 20136+4644 GUI 30 DC 150 431.8 93
Show 20136+4644 ES 26 DE 252 36.3 93
Show 20287+4737 GRF 17 102 160.1 93
Show 20136+4644 WRH 33 Aa,Ab 111 0.0 94
Show 20136+4644 HJ 1495 AB 328 36.5 94
Show 20136+4644 STFA 50 AC 173 108.6 94
Show 20136+4644 STFA 50 AD 322 336.7 94
Show 20136+4644 BU 1483 AF 168 43.5 94
Show 20139+4642 SMR 69 62 7.0 94
Show 20136+4644 SMR 68 HK 263 9.0 94
Show 20136+4644 SMR 68 FJ 218 4.0 94
Show 20202+4620 TDT2181 132 0.6 95
Show 20136+4644 BU 1483 CG 95 37.9 95
Show 20136+4644 BU 1483 CH 62 60.6 95

 
 
WDS 20196+4754 : COMPONENTS
 
 
  A
B pa=219.9°
sep=53.34"
 
 
20196+4754 A
 
 
Componente originario normalizzato AB Var name U Cyg Coord arcsec 2000 201941.66+475419.9 Mag 7.97
Spectral class R8 (deep red) PmRA 15.00 PmDE 7.0 SAO 49479
HIP 100230 Tycho2 3576-02095-1 HD 193700 BD BD+47 3078
Tycho2
Tycho2 3576-02095-1 Pflag RAmdeg 304.92357445 DEmdeg 47.90551886
PmRA 15.3 PmDE 4.8 E RAmdeg 6 E DEmdeg 6
E pmRA 1.0 E pmDE 1.2 EpRAm 1990.94 EpDEm 1991.10
Num 13 Q RAmdeg 0.7 Q DEmdeg 0.8 Q pmRA 0.7
Q pmDE 0.7 BTmag 8.895 E BTmag 0.017 VTmag 7.973
E VTmag 0.011 Prox 651 TYC T HIP 100230
CCDM RAdeg 304.92352194 DEdeg 47.90550778 EpRA 1990 1.72
EpDE 1990 1.70 E RAdeg 5.5 E DEdeg 6.2 Posflg
Corr 0.0
SAO
SAO 49479 DelFlag RA1950 PmRA1950 0.001
DE1950 PmDE1950 0 Vmag 7.8 SpType G0
Double code Source 3 CatNum 1563 DM BD+47 3078
DMcomp BDsup HD 193700 M HD 0
GC RA1950rad 5.31514028 DE1950rad 0.83334096 PmRA2000 0.0014
PmDE2000 -0.002
Hipparcos
Catalog H HIP 100230 Proxy RAhms 20 19 41.64
DEdms +47 54 19.8 Vmag 7.87 VarFlag R Vmag G
RAdeg 304.924 DEdeg 47.9055 AstroRef Plx 3.64
CCDM 20197+4754 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 193700 BD BD+47 3078
CD CP Dm number +47 3078 VIred 0.83
SpType G0 R SpType Coord arcsec 2000 201941.64+475419.8
Hipparcos 2
HIP 100230 Sn 5 So 0 Nc 1
RArad 5.3219193047 DErad 0.8361088268 Plx 3.2 PmRA 13.78
PmDE 6.21 E RArad 0.58 E DErad 0.41 E Plx 0.58
E pmRA 0.62 E pmDE 0.46 Hpmag 8.0251 E Hpmag 0.0012
SHp 0.014 VA 0 BV 0.8 E BV 0.015
VI 0.83
 
 
20196+4754 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201938.26+475339.0 Mag 8.98 PmRA 2.00
PmDE 4.0 Calc delta mag 1.01 Calc coord yes