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Current system
21173+0323
BAL 2050


Nearby doubles
25' : 21169+0347
UC 4426

36' : 21192+0339
J 1721

37' : 21189+0252
HEI 407

44' : 21188+0245
BAL2051

45' : 21179+0407
BAL2559

45' : 21197+0256
CVR 893

50' : 21147+0354
UC 4420

51' : 21185+0236
OSO 144

57' : 21209+0307
BU 838

58' : 21211+0336
NSN 5

60' : 21164+0421
GRV 442

61' : 21156+0419
TDT2865

67' : 21129+0333
UC 4407

69' : 21214+0253
STT 435

74' : 21130+0248
BU 1303

75' : 21172+0438
HU 274

82' : 21139+0427
BAL2977

85' : 21149+0440
BAL2979

86' : 21210+0217
HEI 408AB

88' : 21225+0403
UC 4462

89' : 21145+0441
BU 682AB

95' : 21199+0158
KPP 763

100' : 21232+0409
SKF2742

100' : 21109+0352
HO 151

101' : 21126+0437
HJ 3013

104' : 21182+0141
BAL1584



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

21173+0323 BAL 2050

 
 
21h 17m 18.16s +03° 23' 18.4" P.A. 181.00 sep 18.3 mag 12.15,12.14
 
 
Coord 2000 21173+0323 Discov num BAL2050 Comp Coord arcsec 2000 21 17 18.16 +03 23 18.4
Date first 1910 Date last 2015 Obs 9
Pa first 183 Pa last 181.1 P.A. Now (θ) 181.1°
Sep first 19.9 Sep last 18.309 Sep. Now (ρ) 18.309"
Mag pri 12.15 Mag sec 12.14 delta mag (ΔM) 0.01 Spectral class
Pri motion ra -003 Sec motion ra -004
Pri motion dec -009 Sec motion dec -001
Notes
rPM=0.85
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Equuleus Gaia DR2 2692583167583323008
 
 
WDS 21173+0323 BAL 2050 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Bal1924 Ma - Baillaud, R. 1924JO......7..117B
Bal1924 J. Obs. 7, 117, 1924
Bal1925 Ma - Baillaud, R. 1925JO......8...53B
Bal1925 J. Obs. 8, 53, 1925
Bal1925b Ma j Baillaud, R. 1925JO......8...56B
Bal1925b J. Obs. 8, 56, 1925
Bal1926 Ma - Baillaud, R. 1926JO......9..129P
Bal1926 J. Obs. 9, 129, 1926
Bal1937A Ma - Baillaud, R. 1937AnLei..18....1S
Bal1937A cited by Strand (Ann. Sterrew. Leiden 18, 1937)
Bal1944 C - Baillaud, R. 1944AnBes...3...33B
Bal1944 +Pa Ann. Obs. Besancon New Ser. 3, 33, 1943
Bal1944 +Po
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21173+0323 BAL2050 2000 3 181 18.4 11.10 11.20 D 211718.16+032318.4
21173+0323 BAL2050 2010 5 181 18.3 12.15 12.14 211718.16+032318.4
21173+0323 BAL2050 2015 6 181 18.3 12.15 12.14 211718.16+032318.4

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

 
 
WDS 21173+0323 BAL 2050 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21173+0323 BAL 2050 : MEASURES
 
 
No records found.

 
 
WDS 21173+0323 : VIRTUAL EYEPIECE
 
 

21173+0323 BAL2050A mag 12.15 21173+0323 BAL2050B sep 18.3 P.A. 181.10 mag 12.14 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21173+0323 : ALADIN DSS IMAGE @ 21h 17m 18.16s +03° 23' 18.4"
 
 
 
 
WDS 21173+0323 BAL 2050 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21173+0323 BAL2050 distance=0' 21169+0347 UC 4426 distance=25' 21192+0339 J 1721 distance=36' 21189+0252 HEI 407 distance=37' 21188+0245 BAL2051 distance=44' 21179+0407 BAL2559 distance=45' 21197+0256 CVR 893 distance=45' 21147+0354 UC 4420 distance=50' 21185+0236 OSO 144 distance=51' 21209+0307 BU 838 distance=57' 21211+0336 NSN 5 distance=58' 21164+0421 GRV 442 distance=60' 21156+0419 TDT2865 distance=61' 21129+0333 UC 4407 distance=67' 21214+0253 STT 435 distance=69' 21130+0248 BU 1303 distance=74' 21172+0438 HU 274 distance=75' 21139+0427 BAL2977 distance=82' 21149+0440 BAL2979 distance=85' 21210+0217 BAL1586Aa,Ab distance=86' 21210+0217 HEI 408AB distance=86' 21210+0217 HEI 408AC distance=86' 21210+0217 HEI 408AD distance=86' 21225+0403 UC 4462 distance=88' 21210+0217 HEI 408DE distance=88' 21145+0441 BU 682AB distance=89' 21145+0441 BU 682AC distance=89' 21199+0158 KPP 763 distance=95' 21232+0409 SKF2742 distance=100' 21109+0352 HO 151 distance=100' 21126+0437 HJ 3013 distance=101' 21182+0141 BAL1584 distance=104' 21242+0323 BAL2052 distance=104' 21140+0457 GWP3048 distance=106' 21243+0327 BAL2561 distance=106' 21218+0202 STF2787AB distance=106' 21218+0202 STF2787AC distance=106' 21243+0343 A 2288 distance=108' 21102+0331 UC 4396 distance=108' 21101+0341 BAL2558 distance=110' 21125+0202 BAL1582 distance=110' 21242+0248 J 914 distance=110' 21116+0217 LDS4868 distance=110' 21105+0241 SKF1594 distance=111' 21237+0422 STF2791 distance=113' 21158+0515 WRH 35 (Kitalpha) distance=114' 21184+0518 HDS3031 distance=117' 21251+0330 FMR 163 distance=117' 21126+0149 BAL1583 distance=119' 21242+0422 CVR 898 distance=119' 21217+0512 CBL 599 distance=127' 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 21173+0323 BAL2050 181 18.3
Show 21169+0347 UC 4426 251 27.3 25
Show 21192+0339 J 1721 272 3.2 36
Show 21189+0252 HEI 407 62 0.2 37
Show 21188+0245 BAL2051 166 2.6 44
Show 21179+0407 BAL2559 283 3.9 45
Show 21197+0256 CVR 893 85 21.0 45
Show 21147+0354 UC 4420 80 51.3 50
Show 21185+0236 OSO 144 346 16.8 51
Show 21209+0307 BU 838 156 1.6 57
Show 21211+0336 NSN 5 65 7.5 58
Show 21164+0421 GRV 442 181 52.9 60
Show 21156+0419 TDT2865 112 2.1 61
Show 21129+0333 UC 4407 306 58.2 67
Show 21214+0253 STT 435 239 0.7 69
Show 21130+0248 BU 1303 234 4.2 74
Show 21172+0438 HU 274 147 4.1 75
Show 21139+0427 BAL2977 305 17.1 82
Show 21149+0440 BAL2979 182 11.5 85
Show 21210+0217 BAL1586 Aa,Ab 111 0.6 86
Show 21210+0217 HEI 408 AB 258 2.3 86
Show 21210+0217 HEI 408 AC 273 55.5 86
Show 21210+0217 HEI 408 AD 111 95.2 86
Show 21225+0403 UC 4462 71 29.2 88
Show 21210+0217 HEI 408 DE 106 54.5 88
Show 21145+0441 BU 682 AB 102 5.7 89
Show 21145+0441 BU 682 AC 179 93.0 89
Show 21199+0158 KPP 763 174 6.6 95
Show 21232+0409 SKF2742 104 1.4 100
Show 21109+0352 HO 151 17 1.6 100
Show 21126+0437 HJ 3013 119 11.3 101
Show 21182+0141 BAL1584 338 9.7 104
Show 21242+0323 BAL2052 256 16.9 104
Show 21140+0457 GWP3048 278 115.4 106
Show 21243+0327 BAL2561 288 20.5 106
Show 21218+0202 STF2787 AB 20 22.6 106
Show 21218+0202 STF2787 AC 94 70.4 106
Show 21243+0343 A 2288 227 0.4 108
Show 21102+0331 UC 4396 215 59.1 108
Show 21101+0341 BAL2558 38 2.2 110
Show 21125+0202 BAL1582 64 12.1 110
Show 21242+0248 J 914 1.8 110
Show 21116+0217 LDS4868 106 22.2 110
Show 21105+0241 SKF1594 288 3.3 111
Show 21237+0422 STF2791 103 2.9 113
Show Kitalpha 21158+0515 WRH 35 104 0.0 114
Show 21184+0518 HDS3031 103 0.1 117
Show 21251+0330 FMR 163 12 15.4 117
Show 21126+0149 BAL1583 6 8.3 119
Show 21242+0422 CVR 898 250 13.6 119
Show 21217+0512 CBL 599 197 19.9 127

 
 
WDS 21173+0323 : COMPONENTS
 
 
  A
B pa=181.1°
sep=18.31"
 
 
21173+0323 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 211718.16+032318.4 Mag 12.15 PmRA -3.00
PmDE -9.0
CCDM
Ccdm 21173+0323 RComp Comp A Note1
Note2 Discov num DRAs 0.18 DDEs 18.8
R dRAs 65 Year Theta Rho
Obs 2 Vmag 11.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21123N0258A
HIC
 
 
21173+0323 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 211718.14+032300.1 Mag 12.14 PmRA -4.00
PmDE -1.0 Calc delta mag 0.01 Calc coord yes
CCDM
Ccdm 21173+0323 RComp Comp B Note1
Note2 Discov num BAL2050 DRAs 0.12 DDEs -0.3
R dRAs 65 Year 1910 Theta 183 Rho 19.7
Obs 1 Vmag 11.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21123N0258B
HIC