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Current system
17251+0348
BAL 2440
HD 157759


Nearby doubles
35' : 17269+0326
BAL2441

38' : 17246+0311
BAL2439

39' : 17227+0333
UC 3333

42' : 17239+0426
LEP 154

44' : 17226+0410
BAL2891

45' : 17224+0409
SLE 21

47' : 17241+0304
STF2158

50' : 17224+0418
SLE 22

52' : 17225+0422
BU 1248

55' : 17275+0428
GRV 956

56' : 17269+0437
BAL2892

57' : 17217+0322
DAM1250

59' : 17217+0321
BAL2438

63' : 17293+0353
BAL2442

66' : 17238+0450
BU 1541

67' : 17244+0242
TDS 865

70' : 17253+0239
GWP2711

71' : 17224+0445
BAL2889

72' : 17204+0337
J 3296

78' : 17274+0457
BAL3010

82' : 17276+0501
HDS2465

85' : 17221+0500
BU 959

87' : 17308+0349
A 2247

89' : 17201+0434
SLE 20

90' : 17192+0411
GRV 950

92' : 17238+0219
BAL1936



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

17251+0348 BAL 2440 (HD 157759)

 
 
17h 25m 05.52s +03° 48' 11.7" P.A. 4.00 sep 7.9 mag 9.74,10.45 Sp K2
 
 
Coord 2000 17251+0348 Discov num BAL2440 Comp Coord arcsec 2000 17 25 05.52 +03 48 11.7
Date first 1910 Date last 2015 Obs 15
Pa first 11 Pa last 4.3 P.A. Now (θ) 4.3°
Sep first 8.5 Sep last 7.942 Sep. Now (ρ) 7.942"
Mag pri 9.74 Mag sec 10.45 delta mag (ΔM) 0.71 Spectral class K2 (yellow-orange)
Pri motion ra +001 Sec motion ra -006
Pri motion dec -095 Sec motion dec -077
Notes
rPM=0.203 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 157759 Constellation Ophiuchus Tycho2 0409-01456-1 Gaia DR2 4389108173064604928
HD 157759
 
 
WDS 17251+0348 BAL 2440 (HD 157759) : 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
17251+0348 BAL2440 2004 8 5 7.9 9.74 10.45 K2 D 172505.52+034811.7
17251+0348 BAL2440 2013 10 4 8.1 9.74 10.45 K2 172505.52+034811.7
17251+0348 BAL2440 2015 11 4 7.9 9.74 10.45 K2 172505.52+034811.7

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

 
 
WDS 17251+0348 BAL 2440 (HD 157759) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17251+0348 BAL 2440 (HD 157759) : MEASURES
 
 
No records found.

 
 
WDS 17251+0348 (HD 157759) : VIRTUAL EYEPIECE
 
 

17251+0348 BAL2440A mag 9.74 Sp K2 17251+0348 BAL2440B sep 7.9 P.A. 4.30 mag 10.45 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 17251+0348 (HD 157759) : ALADIN DSS IMAGE @ 17h 25m 05.52s +03° 48' 11.7"
 
 
 
 
WDS 17251+0348 BAL 2440 (HD 157759) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17251+0348 BAL2440 distance=1' 17269+0326 BAL2441 distance=35' 17246+0311 BAL2439 distance=38' 17227+0333 UC 3333 distance=39' 17239+0426 LEP 154 distance=42' 17226+0410 BAL2891 distance=44' 17224+0409 SLE 21 distance=45' 17241+0304 STF2158 distance=47' 17224+0418 SLE 22 distance=50' 17225+0422 BU 1248 distance=52' 17275+0428 GRV 956 distance=55' 17269+0437 BAL2892 distance=56' 17217+0322 DAM1250 distance=57' 17217+0321 BAL2438 distance=59' 17293+0353 BAL2442 distance=63' 17238+0450 BU 1541 distance=66' 17244+0242 TDS 865 distance=67' 17253+0239 GWP2711 distance=70' 17224+0445 BAL2889 distance=71' 17204+0337 J 3296 distance=72' 17274+0457 BAL3010 distance=78' 17276+0501 HDS2465 distance=82' 17221+0500 BU 959 distance=85' 17308+0349 A 2247 distance=87' 17201+0434 SLE 20 distance=89' 17192+0411 GRV 950 distance=90' 17238+0219 BAL1936 distance=92' 17269+0219 A 2243 distance=93' 17191+0412 J 451AB distance=94' 17191+0412 J 451AC distance=94' 17200+0446 BAL2888 distance=95' 17313+0333 LDS4749 distance=95' 17239+0523 UC 3335 distance=97' 17285+0224 A 2246 distance=99' 17189+0427 BAL2886 distance=100' 17258+0207 CSN 8 distance=102' 17301+0457 UC 3355 distance=103' 17319+0408 BAL2893 distance=104' 17262+0205 BAL1937 distance=105' 17283+0212 A 2245AB distance=108' 17320+0249 BU 1538DE distance=111' 17314+0243 A 2386 distance=114' 17230+0157 J 3211 distance=116' 17214+0206 TDT 318 distance=117' 17174+0358 DOO 65 distance=117' 17302+0516 LDS4745 distance=117' 17215+0203 BAL1935 distance=118' 17328+0322 KPP2639 distance=118' 17184+0451 SCJ 14AB distance=118' 17184+0451 DAM 642AC distance=118' 17309+0226 BAL1938 distance=120' 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 17251+0348 BAL2440 4 7.9 1
Show 17269+0326 BAL2441 308 14.2 35
Show 17246+0311 BAL2439 20 13.5 38
Show 17227+0333 UC 3333 92 7.2 39
Show 17239+0426 LEP 154 303 4.5 42
Show 17226+0410 BAL2891 21 22.7 44
Show 17224+0409 SLE 21 166 4.5 45
Show 17241+0304 STF2158 77 23.4 47
Show 17224+0418 SLE 22 178 4.3 50
Show 17225+0422 BU 1248 177 8.3 52
Show 17275+0428 GRV 956 264 24.3 55
Show 17269+0437 BAL2892 11 18.6 56
Show 17217+0322 DAM1250 282 14.8 57
Show 17217+0321 BAL2438 128 3.1 59
Show 17293+0353 BAL2442 107 20.0 63
Show 17238+0450 BU 1541 180 1.5 66
Show 17244+0242 TDS 865 144 1.1 67
Show 17253+0239 GWP2711 215 33.0 70
Show 17224+0445 BAL2889 178 11.5 71
Show 17204+0337 J 3296 258 3.6 72
Show 17274+0457 BAL3010 196 11.9 78
Show 17276+0501 HDS2465 301 0.3 82
Show 17221+0500 BU 959 257 4.0 85
Show 17308+0349 A 2247 354 0.3 87
Show 17201+0434 SLE 20 111 70.6 89
Show 17192+0411 GRV 950 52 56.6 90
Show 17238+0219 BAL1936 315 3.4 92
Show 17269+0219 A 2243 301 2.0 93
Show 17191+0412 J 451 AB 252 5.0 94
Show 17191+0412 J 451 AC 143 33.5 94
Show 17200+0446 BAL2888 107 15.3 95
Show 17313+0333 LDS4749 265 3.7 95
Show 17239+0523 UC 3335 316 17.0 97
Show 17285+0224 A 2246 120 0.4 99
Show 17189+0427 BAL2886 159 6.9 100
Show 17258+0207 CSN 8 269 7.3 102
Show 17301+0457 UC 3355 240 43.4 103
Show 17319+0408 BAL2893 24 13.2 104
Show 17262+0205 BAL1937 204 12.0 105
Show 17283+0212 A 2245 AB 351 2.1 108
Show 17320+0249 BU 1538 DE 164 2.4 111
Show 17314+0243 A 2386 125 0.2 114
Show 17230+0157 J 3211 144 4.0 116
Show 17214+0206 TDT 318 17 0.4 117
Show 17174+0358 DOO 65 27 2.8 117
Show 17302+0516 LDS4745 107 28.2 117
Show 17215+0203 BAL1935 26 18.7 118
Show 17328+0322 KPP2639 84 24.5 118
Show 17184+0451 SCJ 14 AB 338 23.2 118
Show 17184+0451 DAM 642 AC 252 30.9 118
Show 17309+0226 BAL1938 117 11.9 120

 
 
WDS 17251+0348 : COMPONENTS
 
 
  A
B pa=4.3°
sep=7.94"
 
 
17251+0348 A
 
 
Componente originario normalizzato AB Name HD 157759 Coord arcsec 2000 172505.52+034811.7 Mag 9.74
Spectral class K2 (yellow-orange) PmRA 1.00 PmDE -95.0 Tycho2 0409-01456-1
HD 157759
Tycho2
Tycho2 0409-01456-1 Pflag RAmdeg 261.27299256 DEmdeg 3.80325285
PmRA 2.1 PmDE -91.5 E RAmdeg 20 E DEmdeg 23
E pmRA 1.4 E pmDE 1.4 EpRAm 1989.19 EpDEm 1987.90
Num 4 Q RAmdeg 2.0 Q DEmdeg 2.9 Q pmRA 2.1
Q pmDE 2.9 BTmag 10.598 E BTmag 0.044 VTmag 9.737
E VTmag 0.030 Prox 79 TYC T HIP
CCDM RAdeg 261.27298750 DEdeg 3.80346694 EpRA 1990 1.60
EpDE 1990 1.57 E RAdeg 19.8 E DEdeg 23.9 Posflg
Corr 0.0
CCDM
Ccdm 17251+0348 RComp Comp A Note1
Note2 Discov num DRAs -0.64 DDEs 12.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.8 Sp K2 PmNote *
PmRA -22 PmDE -81 Dm number +03 3403 Cat1 BD
Name2 +03 2071 Cat2 AGK2/3 HD 157759 M HD
ADS BDS M ADS BDS N IDS IDS 17201N0354A
HIC
 
 
17251+0348 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 172505.56+034819.6 Mag 10.45 PmRA -6.00
PmDE -77.0 Tycho2 0409-01456-2 Calc delta mag 0.71 Calc coord yes
Tycho2
Tycho2 0409-01456-2 Pflag RAmdeg 261.27315235 DEmdeg 3.80544042
PmRA -6.1 PmDE -88.3 E RAmdeg 41 E DEmdeg 48
E pmRA 1.5 E pmDE 1.5 EpRAm 1981.13 EpDEm 1976.35
Num 4 Q RAmdeg 1.2 Q DEmdeg 0.5 Q pmRA 1.2
Q pmDE 0.5 BTmag 11.671 E BTmag 0.089 VTmag 10.449
E VTmag 0.050 Prox 79 TYC T HIP
CCDM RAdeg 261.27316667 DEdeg 3.80564722 EpRA 1990 1.60
EpDE 1990 1.57 E RAdeg 43.6 E DEdeg 52.5 Posflg
Corr 0.0
CCDM
Ccdm 17251+0348 RComp Comp B Note1
Note2 Discov num BAL2440 DRAs -0.51 DDEs 18.3
R dRAs 10 Year 1910 Theta 010 Rho 7.7
Obs 1 Vmag 10.4 Sp PmNote *
PmRA -4 PmDE -106 Dm number Cat1
Name2 +03 2072 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS 17201N0354B
HIC