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Doubles in session


Current system
20455+0201
BAL 1571


Nearby doubles
13' : 20459+0211
GRV 377

32' : 20434+0204
GWP2989

45' : 20427+0217
GRV 370

45' : 20481+0224
BAL2035

48' : 20485+0143
RST5471

54' : 20472+0247
UC 4286

56' : 20418+0156
GWP2986

57' : 20419+0218
UC 252

58' : 20471+0253
TDT2536

58' : 20493+0156
OSO 136

64' : 20414+0147
BAL1570

64' : 20431+0253
AG 262

64' : 20475+0105
BAL1220

65' : 20440+0049
HJ 923

67' : 20413+0216
BAL1569

71' : 20433+0059
SLN 39

76' : 20414+0244
GWP2984

76' : 20425+0100
TDT2487

77' : 20504+0222
GWP3004

77' : 20409+0128
BAL1568

78' : 20481+0053
CVR 873

79' : 20419+0258
HJ 2988

79' : 20424+0304
KPP3360

80' : 20441+0044
BAL1218

81' : 20486-0055
BAL 616

82' : 20510+0211
BAL1573



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Neglected List I
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20455+0201 BAL 1571

 
 
20h 45m 30.41s +02° 00' 50.8" P.A. 307.00 sep 6.8 mag 10.74,12.00
 
 
Coord 2000 20455+0201 Discov num BAL1571 Comp Coord arcsec 2000 20 45 30.41 +02 00 50.8
Date first 1909 Date last 2016 Obs 11
Pa first 311 Pa last 307.4 P.A. Now (θ) 307.4°
Sep first 7.6 Sep last 6.822 Sep. Now (ρ) 6.822"
Mag pri 10.74 Mag sec 12.00 delta mag (ΔM) 1.26 Spectral class
Pri motion ra -027 Sec motion ra
Pri motion dec -068 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquarius Tycho2 0516-00916-1 Gaia DR2 4231853855392895104
 
 
WDS 20455+0201 BAL 1571 : 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
20455+0201 BAL1571 2000 3 308 6.9 10.74 12.00 D 204530.41+020050.8
20455+0201 BAL1571 2013 5 307 6.8 10.74 12.00 204530.41+020050.8
20455+0201 BAL1571 2015 7 307 6.8 10.74 12.00 204530.41+020050.8
20455+0201 BAL1571 2016 11 307 6.8 10.74 12.00 204530.41+020050.8

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

 
 
WDS 20455+0201 BAL 1571 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20455+0201 BAL 1571 : MEASURES
 
 
No records found.

 
 
WDS 20455+0201 : VIRTUAL EYEPIECE
 
 

20455+0201 BAL1571A mag 10.74 20455+0201 BAL1571B sep 6.8 P.A. 307.40 mag 12 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20455+0201 : ALADIN DSS IMAGE @ 20h 45m 30.41s +02° 00' 50.8"
 
 
 
 
WDS 20455+0201 BAL 1571 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20455+0201 BAL1571 distance=1' 20459+0211 GRV 377 distance=13' 20434+0204 GWP2989 distance=32' 20427+0217 GRV 370 distance=45' 20481+0224 BAL2035 distance=45' 20485+0143 RST5471 distance=48' 20472+0247 UC 4286 distance=54' 20418+0156 GWP2986 distance=56' 20419+0218 UC 252 distance=57' 20471+0253 TDT2536 distance=58' 20493+0156 OSO 136 distance=58' 20414+0147 BAL1570 distance=64' 20431+0253 AG 262 distance=64' 20475+0105 BAL1220 distance=64' 20440+0049 HJ 923 distance=65' 20413+0216 BAL1569 distance=67' 20433+0059 SLN 39 distance=71' 20414+0244 GWP2984 distance=76' 20425+0100 TDT2487 distance=76' 20504+0222 GWP3004 distance=77' 20409+0128 BAL1568 distance=77' 20481+0053 CVR 873 distance=78' 20419+0258 HJ 2988 distance=79' 20424+0304 KPP3360 distance=79' 20441+0044 BAL1218 distance=80' 20486-0055 BAL 616 distance=81' 20510+0211 BAL1573 distance=82' 20510+0210 BAL1574 distance=82' 20414+0105 GWP2985 distance=83' 20510+0227 BAL2037 distance=87' 20400+0118 A 2283AB distance=93' 20445+0029 BAL1219 distance=94' 20393+0219 BAL1567 distance=96' 20454+0023 A 876 distance=98' 20521+0205 A 2286AB distance=100' 20521+0205 A 2286AB,C distance=100' 20388+0202 HJ 920 distance=100' 20509+0101 TDT2577Aa,Ab distance=101' 20509+0101 RST5472AB distance=101' 20521+0225 TDT2592 distance=102' 20472+0021 CBL 529 distance=103' 20460+0344 BAL2544 distance=103' 20466+0344 BAL2545 distance=105' 20393+0112 BAL1217 distance=105' 20389+0128 KPP3420 distance=105' 20387+0156 J 569 distance=106' 20525+0130 BAL1575 distance=109' 20409-0036 A 874 distance=110' 20452+0352 UC 4280 distance=112' 20403+0041 A 2284 distance=112' 20420+0021 UC 4262 distance=113' 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 20455+0201 BAL1571 307 6.8 1
Show 20459+0211 GRV 377 354 27.3 13
Show 20434+0204 GWP2989 131 44.7 32
Show 20427+0217 GRV 370 313 25.4 45
Show 20481+0224 BAL2035 304 12.9 45
Show 20485+0143 RST5471 14 0.6 48
Show 20472+0247 UC 4286 114 31.3 54
Show 20418+0156 GWP2986 350 16.1 56
Show 20419+0218 UC 252 164 62.6 57
Show 20471+0253 TDT2536 352 1.6 58
Show 20493+0156 OSO 136 109 12.8 58
Show 20414+0147 BAL1570 12 5.1 64
Show 20431+0253 AG 262 94 5.7 64
Show 20475+0105 BAL1220 193 21.1 64
Show 20440+0049 HJ 923 62 7.0 65
Show 20413+0216 BAL1569 62 11.2 67
Show 20433+0059 SLN 39 233 19.0 71
Show 20414+0244 GWP2984 263 182.0 76
Show 20425+0100 TDT2487 302 1.1 76
Show 20504+0222 GWP3004 12 15.6 77
Show 20409+0128 BAL1568 346 8.8 77
Show 20481+0053 CVR 873 324 12.3 78
Show 20419+0258 HJ 2988 142 23.2 79
Show 20424+0304 KPP3360 234 1.5 79
Show 20441+0044 BAL1218 229 3.4 80
Show 20486-0055 BAL 616 206 2.4 81
Show 20510+0211 BAL1573 225 5.6 82
Show 20510+0210 BAL1574 21 18.3 82
Show 20414+0105 GWP2985 352 30.4 83
Show 20510+0227 BAL2037 2 6.4 87
Show 20400+0118 A 2283 AB 350 2.3 93
Show 20445+0029 BAL1219 214 17.3 94
Show 20393+0219 BAL1567 205 19.3 96
Show 20454+0023 A 876 68 0.6 98
Show 20521+0205 A 2286 AB 5 0.0 100
Show 20521+0205 A 2286 AB,C 48 1.1 100
Show 20388+0202 HJ 920 213 14.1 100
Show 20509+0101 TDT2577 Aa,Ab 104 0.5 101
Show 20509+0101 RST5472 AB 77 3.7 101
Show 20521+0225 TDT2592 183 1.5 102
Show 20472+0021 CBL 529 43 49.8 103
Show 20460+0344 BAL2544 14 16.7 103
Show 20466+0344 BAL2545 281 11.8 105
Show 20393+0112 BAL1217 2 7.9 105
Show 20389+0128 KPP3420 241 6.3 105
Show 20387+0156 J 569 316 3.0 106
Show 20525+0130 BAL1575 175 16.6 109
Show 20409-0036 A 874 345 1.9 110
Show 20452+0352 UC 4280 255 36.1 112
Show 20403+0041 A 2284 287 4.8 112
Show 20420+0021 UC 4262 221 44.1 113

 
 
WDS 20455+0201 : COMPONENTS
 
 
  A
B pa=307.4°
sep=6.82"
 
 
20455+0201 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204530.41+020050.8 Mag 10.74 PmRA -27.00
PmDE -68.0 Tycho2 0516-00916-1
Tycho2
Tycho2 0516-00916-1 Pflag RAmdeg 311.37674288 DEmdeg 2.01413302
PmRA -31.0 PmDE -66.7 E RAmdeg 39 E DEmdeg 51
E pmRA 1.7 E pmDE 1.7 EpRAm 1984.49 EpDEm 1978.15
Num 3 Q RAmdeg 0.3 Q DEmdeg 1.5 Q pmRA 0.3
Q pmDE 1.5 BTmag 11.781 E BTmag 0.095 VTmag 10.741
E VTmag 0.065 Prox 999 TYC T HIP
CCDM RAdeg 311.37681444 DEdeg 2.01429500 EpRA 1990 1.68
EpDE 1990 1.26 E RAdeg 41.0 E DEdeg 56.3 Posflg
Corr -0.2
 
 
20455+0201 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204530.05+020054.9 Mag 12 Calc delta mag 1.26
Calc coord yes