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Doubles in session


Current system
20581+0352
BAL 2550


Nearby doubles
5' : 20582+0356
BAR 13AB

28' : 20580+0420
UC 4346

30' : 20591+0418
STF2737AB

35' : 21002+0406
HEI 820

41' : 20564+0422
CVR 877

49' : 21009+0419
BAL2553

55' : 20559+0435
UC 4332

55' : 20557+0432
STF2735

56' : 20582+0447
AG 268

58' : 20552+0314
BAL2040

59' : 21020+0346
HO 148

59' : 20551+0314
UC 4324

61' : 20541+0357
HJ 3005

64' : 21021+0329
CVR 236

66' : 20543+0321
BAL2039

69' : 21017+0310
BAL2042

69' : 20537+0336
BAL2548

70' : 21009+0257
HJ 3006

73' : 21020+0436
CVR 884

73' : 20595+0242
HJ 928

79' : 21032+0411
BAL2554

80' : 20529+0337
BAL2547

85' : 20530+0427
TDT2603

87' : 20535+0300
HEI 819

89' : 20525+0416
TDT2595

90' : 20528+0311
HLD 43



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

20581+0352 BAL 2550

 
 
20h 58m 09.06s +03° 51' 43.5" P.A. 157.00 sep 3.4 mag 11.30,11.50
 
 
Coord 2000 20581+0352 Discov num BAL2550 Comp Coord arcsec 2000 20 58 09.06 +03 51 43.5
Date first 1910 Date last 2015 Obs 4
Pa first 175 Pa last 157.1 P.A. Now (θ) 157.1°
Sep first 5.4 Sep last 3.439 Sep. Now (ρ) 3.439"
Mag pri 11.30 Mag sec 11.50 delta mag (ΔM) 0.2 Spectral class
Pri motion ra -026 Sec motion ra -002
Pri motion dec +023 Sec motion dec -006
Notes
rPM=1.084
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Equuleus Gaia DR2 1731469512233616640
 
 
WDS 20581+0352 BAL 2550 : 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
20581+0352 BAL2550 2004 2 160 3.7 11.30 11.50 205809.06+035143.5
20581+0352 BAL2550 2015 4 157 3.4 11.30 11.50 205809.06+035143.5

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

 
 
WDS 20581+0352 BAL 2550 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20581+0352 BAL 2550 : MEASURES
 
 
No records found.

 
 
WDS 20581+0352 : VIRTUAL EYEPIECE
 
 

20581+0352 BAL2550A mag 11.3 20581+0352 BAL2550B sep 3.4 P.A. 157.10 mag 11.5 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 20581+0352 : ALADIN DSS IMAGE @ 20h 58m 09.06s +03° 51' 43.5"
 
 
 
 
WDS 20581+0352 BAL 2550 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20581+0352 BAL2550 distance=0' 20582+0356 WSI 39CD distance=5' 20582+0356 BAR 13AB distance=5' 20582+0356 BAR 13AC distance=5' 20582+0356 WSI 39AD distance=5' 20580+0420 UC 4346 distance=28' 20591+0418 STF2737BC distance=30' 20591+0418 STF2737AB distance=30' 20591+0418 STF2737AD distance=30' 20591+0418 STF2737AB,C distance=30' 21002+0406 HEI 820 distance=35' 20564+0422 CVR 877 distance=41' 21009+0419 BAL2553 distance=49' 20559+0435 UC 4332 distance=55' 20557+0432 STF2735 distance=55' 20582+0447 AG 268 distance=56' 20552+0314 BAL2040 distance=58' 21020+0346 HO 148 distance=59' 20551+0314 UC 4324 distance=59' 20541+0357 HJ 3005 distance=61' 21021+0329 CVR 236 distance=64' 20543+0321 BAL2039 distance=66' 21017+0310 BAL2042 distance=69' 20537+0336 BAL2548 distance=69' 21009+0257 HJ 3006 distance=70' 21020+0436 CVR 884 distance=73' 20595+0242 HJ 928 distance=73' 21032+0411 BAL2554 distance=79' 20529+0337 BAL2547 distance=80' 20530+0427 TDT2603 distance=85' 20535+0300 HEI 819 distance=87' 20525+0416 TDT2595 distance=89' 20528+0311 HLD 43 distance=90' 21041+0359 TOK 371 distance=90' 20525+0310 GWP3009 distance=95' 20575+0214 BAL1577 distance=99' 21047+0332 SE 3Aa,Ab distance=101' 21047+0332 STF2749A,BC distance=101' 21047+0332 SE 3AD distance=101' 21047+0332 STF2749AC distance=101' 21047+0332 SE 3BC distance=101' 21033+0245 BAL2043 distance=103' 21024+0513 A 615 distance=103' 20513+0353 GWP3006 distance=103' 21041+0300 WSI 6AB distance=104' 21041+0300 DSG 6Aa,Ab distance=104' 20516+0431 KPP1501 distance=106' 20561+0535 TDT2642 distance=108' 21012+0210 GWP3029 distance=112' 21008+0207 UC 4360 distance=113' 21049+0250 BAL2044 distance=118' 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 20581+0352 BAL2550 157 3.4
Show 20582+0356 WSI 39 CD 330 13.6 5
Show 20582+0356 BAR 13 AB 87 1.6 5
Show 20582+0356 BAR 13 AC 249 20.6 5
Show 20582+0356 WSI 39 AD 280 26.4 5
Show 20580+0420 UC 4346 205 22.4 28
Show 20591+0418 STF2737 BC 66 10.6 30
Show 20591+0418 STF2737 AB 125 0.0 30
Show 20591+0418 STF2737 AD 293 69.3 30
Show 20591+0418 STF2737 AB,C 67 10.6 30
Show 21002+0406 HEI 820 65 2.3 35
Show 20564+0422 CVR 877 125 26.3 41
Show 21009+0419 BAL2553 110 10.6 49
Show 20559+0435 UC 4332 60 52.9 55
Show 20557+0432 STF2735 282 2.0 55
Show 20582+0447 AG 268 287 12.5 56
Show 20552+0314 BAL2040 68 8.4 58
Show 21020+0346 HO 148 201 2.2 59
Show 20551+0314 UC 4324 290 9.9 59
Show 20541+0357 HJ 3005 300 30.5 61
Show 21021+0329 CVR 236 279 69.7 64
Show 20543+0321 BAL2039 28 14.7 66
Show 21017+0310 BAL2042 128 8.1 69
Show 20537+0336 BAL2548 258 7.5 69
Show 21009+0257 HJ 3006 292 1.8 70
Show 21020+0436 CVR 884 312 11.4 73
Show 20595+0242 HJ 928 74 16.5 73
Show 21032+0411 BAL2554 307 21.3 79
Show 20529+0337 BAL2547 220 8.5 80
Show 20530+0427 TDT2603 281 1.7 85
Show 20535+0300 HEI 819 135 0.2 87
Show 20525+0416 TDT2595 359 0.7 89
Show 20528+0311 HLD 43 9 2.2 90
Show 21041+0359 TOK 371 272 0.1 90
Show 20525+0310 GWP3009 237 76.6 95
Show 20575+0214 BAL1577 221 4.9 99
Show 21047+0332 SE 3 Aa,Ab 153 0.6 101
Show 21047+0332 STF2749 A,BC 179 3.2 101
Show 21047+0332 SE 3 AD 78 114.3 101
Show 21047+0332 STF2749 AC 176 3.5 101
Show 21047+0332 SE 3 BC 136 0.7 101
Show 21033+0245 BAL2043 205 18.4 103
Show 21024+0513 A 615 129 3.5 103
Show 20513+0353 GWP3006 117 24.4 103
Show 21041+0300 WSI 6 AB 53 0.1 104
Show 21041+0300 DSG 6 Aa,Ab 155 0.0 104
Show 20516+0431 KPP1501 50 11.3 106
Show 20561+0535 TDT2642 77 0.6 108
Show 21012+0210 GWP3029 55 70.3 112
Show 21008+0207 UC 4360 71 44.6 113
Show 21049+0250 BAL2044 273 18.8 118

 
 
WDS 20581+0352 : COMPONENTS
 
 
  A
B pa=157.1°
sep=3.44"
 
 
20581+0352 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 205809.06+035143.5 Mag 11.3 PmRA -26.00
PmDE 23.0
 
 
20581+0352 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205809.15+035140.3 Mag 11.5 PmRA -2.00
PmDE -6.0 Calc delta mag 0.2 Calc coord yes