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Current system
18388-0136
BAL 581


Nearby doubles
31' : 18395-0107
GWP2791

39' : 18366-0114
CON 35AB

59' : 18381-0233
TVB 304

59' : 18386-0235
WAM 4

61' : 18383-0236
BRT3333

64' : 18394-0239
BRT1948

65' : 18372-0236
BAL 248

69' : 18432-0120
AOT 73

80' : 18379-0254
KPP1345

80' : 18335-0144
RST5118

89' : 18442-0208
BRT 484

91' : 18335-0220
GWP2784AB

96' : 18325-0120
RST5117

97' : 18384-0312
A 88AB

100' : 18348-0256
RST4589

106' : 18394-0009
KPP 903

108' : 18457-0107
BAL 582

108' : 18387-0012
IPH 26

111' : 18314-0128
KPP4111

113' : 18351+0003
RST5120

118' : 18349-0317
HJ 863

118' : 18466-0149
RST5125

120' : 18361+0017
IPH 25

120' : 18379-0023
STF2347

125' : 18425-0016
CVR 213

127' : 18441-0313
J 528



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

18388-0136 BAL 581

 
 
18h 38m 45.99s -01° 35' 38.4" P.A. 125.00 sep 3.9 mag 11.01,11.13 Sp G5
 
 
Coord 2000 18388-0136 Discov num BAL 581 Comp Coord arcsec 2000 18 38 45.99 -01 35 38.4
Date first 1892 Date last 2016 Obs 9
Pa first 122 Pa last 124.5 P.A. Now (θ) 124.5°
Sep first 4.1 Sep last 3.928 Sep. Now (ρ) 3.928"
Mag pri 11.01 Mag sec 11.13 delta mag (ΔM) 0.12 Spectral class G5 (yellow)
Pri motion ra -066 Sec motion ra -014
Pri motion dec +012 Sec motion dec -022
Notes
rPM=0.926
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Serpens Tycho2 5113-00222-1 Gaia DR2 4259824950198324480
 
 
WDS 18388-0136 BAL 581 : 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
18388-0136 BAL 581 1998 4 125 3.9 11.01 11.13 G5 D 183845.99-013538.4
18388-0136 BAL 581 2000 5 125 3.9 11.01 11.13 G5 D 183845.99-013538.4
18388-0136 BAL 581 2013 6 125 3.9 11.01 11.13 G5 183845.99-013538.4
18388-0136 BAL 581 2015 7 125 3.9 11.01 11.13 G5 183845.99-013538.4
18388-0136 BAL 581 2016 9 125 3.9 11.01 11.13 G5 183845.99-013538.4

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

 
 
WDS 18388-0136 BAL 581 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18388-0136 BAL 581 : MEASURES
 
 
No records found.

 
 
WDS 18388-0136 : VIRTUAL EYEPIECE
 
 

18388-0136 BAL 581A mag 11.01 Sp G5 18388-0136 BAL 581B sep 3.9 P.A. 124.50 mag 11.13 virtual eyepiece
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Radius:
Components only
 
 
WDS 18388-0136 : ALADIN DSS IMAGE @ 18h 38m 45.99s -01° 35' 38.4"
 
 
 
 
WDS 18388-0136 BAL 581 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18388-0136 BAL 581 distance=0' 18395-0107 GWP2791 distance=31' 18366-0114 CON 35AB distance=39' 18366-0114 CON 35AC distance=39' 18381-0233 TVB 304 distance=59' 18386-0235 WAM 4 distance=59' 18383-0236 BRT3333 distance=61' 18394-0239 BRT1948 distance=64' 18372-0236 BAL 248 distance=65' 18432-0120 AOT 73 distance=69' 18379-0254 KPP1345 distance=80' 18335-0144 RST5118 distance=80' 18442-0208 BRT 484 distance=89' 18335-0220 GWP2784AB distance=91' 18335-0220 GWP2785AC distance=91' 18325-0120 RST5117 distance=96' 18384-0312 A 88AB distance=97' 18384-0312 A 88AB,C distance=97' 18348-0256 RST4589 distance=100' 18394-0009 KPP 903 distance=106' 18457-0107 BAL 582 distance=108' 18387-0012 IPH 26 distance=108' 18314-0128 KPP4111 distance=111' 18351+0003 RST5120 distance=113' 18349-0317 HJ 863 distance=118' 18466-0149 RST5125 distance=118' 18361+0017 IPH 25 distance=120' 18379-0023 STF2347 distance=120' 18425-0016 CVR 213 distance=125' 18441-0313 J 528 distance=127' 18305-0211 CON 34 distance=130' 18468-0223 HJ 5502 distance=130' 18475-0128 KPP 712 distance=132' 18437-0014 A 858AB distance=133' 18437-0014 AOT 74AB,C distance=133' 18439-0013 A 859 distance=134' 18299-0149 HLA 18AB distance=135' 18299-0149 HLA 18AC distance=135' 18476-0156 LUQ 1 distance=135' 18476-0157 LUQ 2 distance=135' 18471-0226 A 2687 distance=135' 18296-0151 CON 32AB distance=138' 18296-0151 CON 32CD distance=138' 18296-0151 CON 32EF distance=138' 18454-0314 A 90 distance=141' 18397-0358 BRT 482 distance=141' 18416-0353 RST4593 distance=144' 18484-0115 BAL 584 distance=146' 18424+0040 HDZ 2 distance=147' 18289-0138 LDS5865 distance=148' 18422-0357 J 2521AB distance=151' 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 18388-0136 BAL 581 125 3.9
Show 18395-0107 GWP2791 186 22.9 31
Show 18366-0114 CON 35 AB 32 2.8 39
Show 18366-0114 CON 35 AC 37 7.9 39
Show 18381-0233 TVB 304 26 26.3 59
Show 18386-0235 WAM 4 93 1.4 59
Show 18383-0236 BRT3333 239 2.3 61
Show 18394-0239 BRT1948 248 4.1 64
Show 18372-0236 BAL 248 340 5.5 65
Show 18432-0120 AOT 73 325 11.7 69
Show 18379-0254 KPP1345 75 10.1 80
Show 18335-0144 RST5118 206 2.9 80
Show 18442-0208 BRT 484 51 4.3 89
Show 18335-0220 GWP2784 AB 292 455.1 91
Show 18335-0220 GWP2785 AC 337 279.6 91
Show 18325-0120 RST5117 252 1.9 96
Show 18384-0312 A 88 AB 13 0.1 97
Show 18384-0312 A 88 AB,C 115 18.5 97
Show 18348-0256 RST4589 88 1.1 100
Show 18394-0009 KPP 903 134 7.5 106
Show 18457-0107 BAL 582 321 12.4 108
Show 18387-0012 IPH 26 339 24.6 108
Show 18314-0128 KPP4111 189 1.6 111
Show 18351+0003 RST5120 209 0.2 113
Show 18349-0317 HJ 863 76 10.1 118
Show 18466-0149 RST5125 192 0.7 118
Show 18361+0017 IPH 25 182 44.4 120
Show 18379-0023 STF2347 259 3.4 120
Show 18425-0016 CVR 213 89 75.6 125
Show 18441-0313 J 528 195 4.6 127
Show 18305-0211 CON 34 328 4.5 130
Show 18468-0223 HJ 5502 5 25.7 130
Show 18475-0128 KPP 712 293 6.3 132
Show 18437-0014 A 858 AB 245 0.9 133
Show 18437-0014 AOT 74 AB,C 303 25.5 133
Show 18439-0013 A 859 10 0.3 134
Show 18299-0149 HLA 18 AB 164 3.7 135
Show 18299-0149 HLA 18 AC 147 4.0 135
Show 18476-0156 LUQ 1 255 0.6 135
Show 18476-0157 LUQ 2 271 0.6 135
Show 18471-0226 A 2687 337 1.2 135
Show 18296-0151 CON 32 AB 64 5.7 138
Show 18296-0151 CON 32 CD 71 1.5 138
Show 18296-0151 CON 32 EF 314 1.9 138
Show 18454-0314 A 90 359 3.1 141
Show 18397-0358 BRT 482 160 2.3 141
Show 18416-0353 RST4593 19 0.5 144
Show 18484-0115 BAL 584 218 12.2 146
Show 18424+0040 HDZ 2 110 11.8 147
Show 18289-0138 LDS5865 8 16.9 148
Show 18422-0357 J 2521 AB 295 2.6 151

 
 
WDS 18388-0136 : COMPONENTS
 
 
  A
B pa=124.5°
sep=3.93"
 
 
18388-0136 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 183845.99-013538.4 Mag 11.01 Spectral class G5 (yellow)
PmRA -66.00 PmDE 12.0 Tycho2 5113-00222-1
Tycho2
Tycho2 5113-00222-1 Pflag RAmdeg 279.69161386 DEmdeg -1.59399220
PmRA -11.7 PmDE -20.8 E RAmdeg 37 E DEmdeg 47
E pmRA 1.4 E pmDE 1.4 EpRAm 1983.62 EpDEm 1977.48
Num 3 Q RAmdeg 0.3 Q DEmdeg 1.1 Q pmRA 0.4
Q pmDE 1.0 BTmag 11.686 E BTmag 0.075 VTmag 11.010
E VTmag 0.068 Prox 39 TYC T HIP
CCDM RAdeg 279.69164028 DEdeg -1.59394500 EpRA 1990 1.85
EpDE 1990 1.82 E RAdeg 39.4 E DEdeg 50.9 Posflg
Corr -0.3
CCDM
Ccdm 18388-0136 RComp Comp A Note1
Note2 Discov num DRAs -1.78 DDEs 27.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 10.8 Sp PmNote *
PmRA 35 PmDE 74 Dm number -01 3530 Cat1 BD
Name2 -01 2235 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS 18336S0141A
HIC
 
 
18388-0136 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 183846.21-013540.6 Mag 11.13 PmRA -14.00
PmDE -22.0 Calc delta mag 0.12 Calc coord yes
CCDM
Ccdm 18388-0136 RComp Comp B Note1
Note2 Discov num BAL 581 DRAs DDEs
R dRAs Year 1892 Theta 124 Rho 4.0
Obs 2 Vmag 10.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18336S0141B
HIC