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Current system
17518+0244
BAL 1944


Nearby doubles
10' : 17519+0254
STF2233AB

15' : 17519+0300
HWE 41

29' : 17512+0311
BAL2454

34' : 17512+0317
BAL2455

34' : 17520+0211
BAL1945

36' : 17536+0308
BAL2459

38' : 17540+0303
OSO 87AB

41' : 17501+0214
A 2187

41' : 17514+0324
BAL2456

45' : 17530+0204
BAL1946

51' : 17540+0324
BAL2460

52' : 17496+0324
BAL2453

54' : 17529+0155
BAL1492

58' : 17543+0328
A 2188

58' : 17480+0249
BAL1943AB

59' : 17479+0242
JNN 243AB

64' : 17555+0316
GWP2745

66' : 17516+0350
BAL2457

69' : 17563+0259
A 2189

69' : 17560+0320
J 1332

70' : 17556+0204
HDS2527

86' : 17496+0404
DAM 96

88' : 17575+0306
BAL2461

88' : 17493+0404
BAL2899

88' : 17571+0215
J 3299

89' : 17569+0156
J 2118



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

17518+0244 BAL 1944

 
 
17h 51m 48.96s +02° 44' 40.6" P.A. 302.00 sep 3.2 mag 12.47,12.50
 
 
Coord 2000 17518+0244 Discov num BAL1944 Comp Coord arcsec 2000 17 51 48.96 +02 44 40.6
Date first 1909 Date last 2016 Obs 7
Pa first 303 Pa last 302.4 P.A. Now (θ) 302.4°
Sep first 3.0 Sep last 3.231 Sep. Now (ρ) 3.231"
Mag pri 12.47 Mag sec 12.50 delta mag (ΔM) 0.03 Spectral class
Pri motion ra +014 Sec motion ra -060
Pri motion dec -006 Sec motion dec +042
Notes B (Blue magnitudes)
rPM=1.204
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ophiuchus Gaia DR2 4469110735048620288
 
 
WDS 17518+0244 BAL 1944 : 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
17518+0244 BAL1944 1991 3 299 2.8 12.47 12.50 B 175148.96+024440.6
17518+0244 BAL1944 2000 4 303 3.2 12.47 12.50 B 175148.96+024440.6
17518+0244 BAL1944 2015 5 302 3.2 12.47 12.50 B 175148.96+024440.6
17518+0244 BAL1944 2016 7 302 3.2 12.47 12.50 B 175148.96+024440.6

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

 
 
WDS 17518+0244 BAL 1944 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17518+0244 BAL 1944 : MEASURES
 
 
No records found.

 
 
WDS 17518+0244 : VIRTUAL EYEPIECE
 
 

17518+0244 BAL1944A mag 12.47 17518+0244 BAL1944B sep 3.2 P.A. 302.40 mag 12.5 virtual eyepiece
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Radius:
Components only
 
 
WDS 17518+0244 : ALADIN DSS IMAGE @ 17h 51m 48.96s +02° 44' 40.6"
 
 
 
 
WDS 17518+0244 BAL 1944 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17518+0244 BAL1944 distance=0' 17519+0254 STF2233AB distance=10' 17519+0254 STF2233AC distance=10' 17519+0254 STF2233AD distance=10' 17519+0300 HWE 41 distance=15' 17512+0311 BAL2454 distance=29' 17512+0317 BAL2455 distance=34' 17520+0211 BAL1945 distance=34' 17536+0308 BAL2459 distance=36' 17540+0303 OSO 87AB distance=38' 17540+0303 OSO 87AC distance=38' 17540+0303 OSO 87AD distance=38' 17540+0303 OSO 87AE distance=38' 17540+0303 OSO 87AF distance=38' 17540+0303 OSO 87AG distance=38' 17501+0214 A 2187 distance=41' 17514+0324 BAL2456 distance=41' 17530+0204 BAL1946 distance=45' 17540+0324 BAL2460 distance=51' 17496+0324 BAL2453 distance=52' 17529+0155 BAL1492 distance=54' 17543+0328 A 2188 distance=58' 17480+0249 BAL1943AB distance=58' 17480+0249 FYM 238AC distance=58' 17479+0242 JNN 243AB distance=59' 17479+0242 JNN 243AC distance=59' 17555+0316 GWP2745 distance=64' 17516+0350 BAL2457 distance=66' 17563+0259 A 2189 distance=69' 17560+0320 J 1332 distance=69' 17556+0204 HDS2527 distance=70' 17496+0404 DAM 96 distance=86' 17575+0306 BAL2461 distance=88' 17493+0404 BAL2899 distance=88' 17571+0215 J 3299 distance=88' 17569+0156 J 2118 distance=89' 17578+0253 HDS2532 distance=90' 17481+0135 A 2185 distance=90' 17559+0139 BAL1493 distance=90' 17493+0406 DAM 95 distance=91' 17503+0415 HJ 855 distance=93' 17470+0346 BAL2452 distance=96' 17463+0157 ORL 10 distance=96' 17453+0244 HEI 798 distance=98' 17521+0107 S 694 distance=99' 17579+0328 J 1333 distance=102' 17479+0121 TDT 510 distance=102' 17553+0416 BAL2906 distance=105' 17487+0110 STF2221 distance=106' 17446+0235 STF2202BC distance=109' 17446+0235 STF2202AB distance=110' 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 17518+0244 BAL1944 302 3.2
Show 17519+0254 STF2233 AB 66 2.3 10
Show 17519+0254 STF2233 AC 138 23.5 10
Show 17519+0254 STF2233 AD 232 29.5 10
Show 17519+0300 HWE 41 218 3.2 15
Show 17512+0311 BAL2454 91 13.5 29
Show 17512+0317 BAL2455 351 17.8 34
Show 17520+0211 BAL1945 245 6.0 34
Show 17536+0308 BAL2459 333 7.0 36
Show 17540+0303 OSO 87 AB 108 5.5 38
Show 17540+0303 OSO 87 AC 1 6.0 38
Show 17540+0303 OSO 87 AD 187 6.8 38
Show 17540+0303 OSO 87 AE 228 11.7 38
Show 17540+0303 OSO 87 AF 3 17.5 38
Show 17540+0303 OSO 87 AG 145 19.9 38
Show 17501+0214 A 2187 322 0.6 41
Show 17514+0324 BAL2456 117 8.4 41
Show 17530+0204 BAL1946 31 6.8 45
Show 17540+0324 BAL2460 113 13.0 51
Show 17496+0324 BAL2453 233 8.1 52
Show 17529+0155 BAL1492 59 6.8 54
Show 17543+0328 A 2188 167 0.1 58
Show 17480+0249 BAL1943 AB 252 10.2 58
Show 17480+0249 FYM 238 AC 155 38.0 58
Show 17479+0242 JNN 243 AB 269 6.1 59
Show 17479+0242 JNN 243 AC 57 7.2 59
Show 17555+0316 GWP2745 285 32.7 64
Show 17516+0350 BAL2457 107 10.2 66
Show 17563+0259 A 2189 288 0.1 69
Show 17560+0320 J 1332 32 2.5 69
Show 17556+0204 HDS2527 111 0.1 70
Show 17496+0404 DAM 96 229 7.2 86
Show 17575+0306 BAL2461 194 3.8 88
Show 17493+0404 BAL2899 190 3.1 88
Show 17571+0215 J 3299 329 2.3 88
Show 17569+0156 J 2118 264 5.6 89
Show 17578+0253 HDS2532 192 0.2 90
Show 17481+0135 A 2185 177 0.7 90
Show 17559+0139 BAL1493 27 9.3 90
Show 17493+0406 DAM 95 179 4.5 91
Show 17503+0415 HJ 855 80 19.7 93
Show 17470+0346 BAL2452 231 9.2 96
Show 17463+0157 ORL 10 265 0.3 96
Show 17453+0244 HEI 798 103 2.0 98
Show 17521+0107 S 694 238 79.3 99
Show 17579+0328 J 1333 352 2.8 102
Show 17479+0121 TDT 510 226 6.2 102
Show 17553+0416 BAL2906 177 14.8 105
Show 17487+0110 STF2221 76 19.5 106
Show 17446+0235 STF2202 BC 28 93.8 109
Show 17446+0235 STF2202 AB 92 20.8 110

 
 
WDS 17518+0244 : COMPONENTS
 
 
  A
B pa=302.4°
sep=3.23"
 
 
17518+0244 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 175148.96+024440.6 Mag 12.47 PmRA 14.00
PmDE -6.0
 
 
17518+0244 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 175148.78+024442.3 Mag 12.5 PmRA -60.00
PmDE 42.0 Calc delta mag 0.03 Calc coord yes