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Doubles in session


Current system
20475+0105
BAL 1220


Nearby doubles
14' : 20481+0053
CVR 873

19' : 20486-0055
BAL 616

42' : 20485+0143
RST5471

44' : 20472+0021
CBL 529

51' : 20509+0101
RST5472AB

52' : 20454+0023
A 876

55' : 20440+0049
HJ 923

55' : 20485+0012
UC 4295

56' : 20441+0044
BAL1218

58' : 20445+0029
BAL1219

58' : 20478+0007
SKF2612

58' : 20493+0156
OSO 136

60' : 20472-0006
BAL 924

61' : 20510-0038
J 1711

64' : 20514-0041
SKF1771

64' : 20433+0059
SLN 39

64' : 20455+0201
BAL1571

67' : 20508-0020
BAL 926

67' : 20495-0006
BAL 925

72' : 20459+0211
GRV 377

76' : 20425+0100
TDT2487

78' : 20525+0130
BAL1575

79' : 20481+0224
BAL2035

79' : 20506+0001
TDT2572

80' : 20523-0030
BAL 927

81' : 20435+0011
GRV1233



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.

20475+0105 BAL 1220

 
 
20h 47m 31.89s +01° 04' 32.4" P.A. 193.00 sep 21.1 mag 11.64,12.86
 
 
Coord 2000 20475+0105 Discov num BAL1220 Comp Coord arcsec 2000 20 47 31.89 +01 04 32.4
Date first 1896 Date last 2015 Obs 10
Pa first 198 Pa last 192.9 P.A. Now (θ) 192.9°
Sep first 19.6 Sep last 21.095 Sep. Now (ρ) 21.095"
Mag pri 11.64 Mag sec 12.86 delta mag (ΔM) 1.22 Spectral class
Pri motion ra -011 Sec motion ra -003
Pri motion dec -013 Sec motion dec -030
Notes
rPM=0.623
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquarius Tycho2 0512-01461-1 Gaia DR2 4228637577723532928
 
 
WDS 20475+0105 BAL 1220 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
BAL Baillaud, R.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
20475+0105 BAL1220 2000 3 193 20.9 11.70 12.35 D 204731.89+010432.4
20475+0105 BAL1220 2013 5 193 21.0 11.64 12.86 204731.89+010432.4
20475+0105 BAL1220 2015 7 193 21.1 11.64 12.86 204731.89+010432.4

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

 
 
WDS 20475+0105 BAL 1220 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20475+0105 BAL 1220 : MEASURES
 
 
No records found.

 
 
WDS 20475+0105 : VIRTUAL EYEPIECE
 
 

20475+0105 BAL1220A mag 11.64 20475+0105 BAL1220B sep 21.1 P.A. 192.90 mag 12.86 virtual eyepiece
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Radius:
Components only
 
 
WDS 20475+0105 : ALADIN DSS IMAGE @ 20h 47m 31.89s +01° 04' 32.4"
 
 
 
 
WDS 20475+0105 BAL 1220 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20475+0105 BAL1220 distance=0' 20481+0053 CVR 873 distance=14' 20486-0055 BAL 616 distance=19' 20485+0143 RST5471 distance=42' 20472+0021 CBL 529 distance=44' 20509+0101 TDT2577Aa,Ab distance=51' 20509+0101 RST5472AB distance=51' 20454+0023 A 876 distance=52' 20440+0049 HJ 923 distance=55' 20485+0012 UC 4295 distance=55' 20441+0044 BAL1218 distance=56' 20445+0029 BAL1219 distance=58' 20478+0007 SKF2612 distance=58' 20493+0156 OSO 136 distance=58' 20472-0006 BAL 924 distance=60' 20510-0038 J 1711 distance=61' 20514-0041 SKF1771 distance=64' 20433+0059 SLN 39 distance=64' 20455+0201 BAL1571 distance=64' 20508-0020 BAL 926 distance=67' 20495-0006 BAL 925 distance=67' 20459+0211 GRV 377 distance=72' 20425+0100 TDT2487 distance=76' 20525+0130 BAL1575 distance=78' 20481+0224 BAL2035 distance=79' 20506+0001 TDT2572 distance=79' 20523-0030 BAL 927 distance=80' 20435+0011 GRV1233 distance=81' 20434-0012 J 3346 distance=83' 20510+0210 BAL1574 distance=84' 20531+0104 TDT2604 distance=84' 20510+0211 BAL1573 distance=85' 20434+0204 GWP2989 distance=87' 20504+0222 GWP3004 distance=89' 20414+0105 GWP2985 distance=92' 20521+0205 A 2286AB distance=93' 20521+0205 A 2286AB,C distance=93' 20420+0021 UC 4262 distance=94' 20510+0227 BAL2037 distance=98' 20418+0156 GWP2986 distance=100' 20416+0017 UC 4258AB distance=102' 20414+0147 BAL1570 distance=102' 20427+0217 GRV 370 distance=103' 20544+0112 LDS4860 distance=103' 20472+0247 UC 4286 distance=103' 20409+0128 BAL1568 distance=103' 20539-0035 J 2328 distance=103' 20409-0036 A 874 distance=104' 20537+0154 RST5473 distance=105' 20521+0225 TDT2592 distance=106' 20546-0042 A 877 distance=109' 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 20475+0105 BAL1220 193 21.1 0
Show 20481+0053 CVR 873 324 12.3 14
Show 20486-0055 BAL 616 206 2.4 19
Show 20485+0143 RST5471 14 0.6 42
Show 20472+0021 CBL 529 43 49.8 44
Show 20509+0101 TDT2577 Aa,Ab 104 0.5 51
Show 20509+0101 RST5472 AB 77 3.7 51
Show 20454+0023 A 876 68 0.6 52
Show 20440+0049 HJ 923 62 7.0 55
Show 20485+0012 UC 4295 196 69.5 55
Show 20441+0044 BAL1218 229 3.4 56
Show 20445+0029 BAL1219 214 17.3 58
Show 20478+0007 SKF2612 63 1.0 58
Show 20493+0156 OSO 136 109 12.8 58
Show 20472-0006 BAL 924 128 15.4 60
Show 20510-0038 J 1711 222 8.4 61
Show 20514-0041 SKF1771 13 1.2 64
Show 20433+0059 SLN 39 233 19.0 64
Show 20455+0201 BAL1571 307 6.8 64
Show 20508-0020 BAL 926 239 2.4 67
Show 20495-0006 BAL 925 175 19.7 67
Show 20459+0211 GRV 377 354 27.3 72
Show 20425+0100 TDT2487 302 1.1 76
Show 20525+0130 BAL1575 175 16.6 78
Show 20481+0224 BAL2035 304 12.9 79
Show 20506+0001 TDT2572 89 0.5 79
Show 20523-0030 BAL 927 285 4.5 80
Show 20435+0011 GRV1233 104 10.5 81
Show 20434-0012 J 3346 106 1.8 83
Show 20510+0210 BAL1574 21 18.3 84
Show 20531+0104 TDT2604 87 0.7 84
Show 20510+0211 BAL1573 225 5.6 85
Show 20434+0204 GWP2989 131 44.7 87
Show 20504+0222 GWP3004 12 15.6 89
Show 20414+0105 GWP2985 352 30.4 92
Show 20521+0205 A 2286 AB 26 0.1 93
Show 20521+0205 A 2286 AB,C 48 1.1 93
Show 20420+0021 UC 4262 221 44.1 94
Show 20510+0227 BAL2037 2 6.4 98
Show 20418+0156 GWP2986 350 16.1 100
Show 20416+0017 UC 4258 AB 3 46.5 102
Show 20414+0147 BAL1570 12 5.1 102
Show 20427+0217 GRV 370 313 25.4 103
Show 20544+0112 LDS4860 138 3.4 103
Show 20472+0247 UC 4286 114 31.3 103
Show 20409+0128 BAL1568 346 8.8 103
Show 20539-0035 J 2328 351 3.2 103
Show 20409-0036 A 874 345 1.9 104
Show 20537+0154 RST5473 20 3.0 105
Show 20521+0225 TDT2592 183 1.5 106
Show 20546-0042 A 877 9 0.6 109

 
 
WDS 20475+0105 : COMPONENTS
 
 
  A
B pa=192.9°
sep=21.10"
 
 
20475+0105 A
 
 
Coord arcsec 2000 204731.89+010432.4 Mag 11.64 PmRA -11.00 PmDE -13.0
CCDM
Ccdm 20475+0105 RComp Comp A Note1
Note2 Discov num DRAs 1.87 DDEs -27.8
R dRAs 65 Year Theta Rho
Obs 2 Vmag 9.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20424N0043A
HIC
 
 
20475+0105 B
 
 
Coord arcsec 2000 204731.58+010411.8 Mag 12.86 PmRA -3.00 PmDE -30.0
Delta magnitude 1.22 Coordinate calculated yes
CCDM
Ccdm 20475+0105 RComp Comp B Note1
Note2 Discov num BAL1220 DRAs 1.55 DDEs -47.2
R dRAs 65 Year 1896 Theta 198 Rho 19.7
Obs 1 Vmag 11.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20424N0043B
HIC