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Current system
17320+0249
STT 331 AC


Nearby doubles
10' : 17331+0243
BAL1939

11' : 17327+0251
HDS2475

12' : 17314+0243
A 2386

29' : 17309+0226
BAL1938

35' : 17328+0322
KPP2639

36' : 17342+0235
BAL1940

44' : 17336+0325
TDT 411

46' : 17313+0333
LDS4749

53' : 17352+0228
TDS 874

59' : 17345+0335
BAL2443

59' : 17285+0224
A 2246

63' : 17308+0349
A 2247

68' : 17283+0212
A 2245AB

75' : 17362+0207
TDT 430

76' : 17364+0326
UC 3373

77' : 17293+0353
BAL2442

79' : 17319+0408
BAL2893

84' : 17353+0356
A 2248

84' : 17269+0219
A 2243

86' : 17269+0326
BAL2441

91' : 17348+0130
J 2507

97' : 17357+0409
A 2985AB

99' : 17262+0205
BAL1937

103' : 17253+0239
GWP2711

104' : 17258+0207
CSN 8

104' : 17332+0432
FMR 134



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

17320+0249 STT 331 AC

 
 
17h 32m 02.86s +02° 49' 25.4" P.A. 240.00 sep 50.5 mag 7.74,10.92 Sp B5V dist. 476.19 pc (1553.33 l.y.)
 
 
Coord 2000 17320+0249 Discov num STT 331 Comp AC Coord arcsec 2000 17 32 02.86 +02 49 25.4
Date first 1898 Date last 2015 Obs 11
Pa first 241 Pa last 239.9 P.A. Now (θ) 239.9°
Sep first 51.0 Sep last 50.506 Sep. Now (ρ) 50.506"
Mag pri 7.74 Mag sec 10.92 delta mag (ΔM) 3.18 Spectral class B5V (blue-white)
Pri motion ra +001 Sec motion ra +001
Pri motion dec -014 Sec motion dec -007
Notes N (See Notes)
rPM=0.499
Nature of this double is uncertain.
 
 
17320+0249 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show V2373 Oph 122481 17 32 03 +02 49 25 STT 331 AB 2016 83 353 1.0 7.74 8.82 1.08
Show 122481 17 32 03 +02 49 25 STT 331 AC 2015 11 240 50.5 7.74 10.92 3.18 <===
Show 17 31 20 +02 49 18 BU 1538 DE 2015 2 164 2.4 11.50 11.50 0.00
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name V2373 Oph Constellation Ophiuchus SAO 122481 HIP 85812
Tycho2 0418-01447-1 Gaia DR2 4376824940267661056 HD 158976 BD BD+02 3341
Distance 476.19 Distance ly 1553.33
 
 
WDS 17320+0249 STT 331 AC : NOTES
 
 
discov_num notes refcode
STT 331 A: V2373 Oph, a Beta Lyrae eclipsing binary, period 1.08628d. Zas2010
BU 1538 DE: This is a measure of a faint pair 1 minute preceding STT 331.
 
 
REFERENCES
 
 
refcode metd author reference
Zas2010 - Zasche, P. ...................
Zas2010 private communication, 2010
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
179 STT Struve, O.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17320+0249 STT 331 AC 2000 8 239 50.7 7.74 10.92 D 173202.86+024925.4
17320+0249 STT 331 AC 2009 9 240 50.6 7.74 10.92 N D 173202.86+024925.4
17320+0249 STT 331 AC 2015 11 240 50.5 7.74 10.92 B5V N 173202.86+024925.4

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

 
 
WDS 17320+0249 STT 331 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17320+0249 STT 331 AC : MEASURES
 
 
No records found.

 
 
WDS 17320+0249 : VIRTUAL EYEPIECE
 
 

17320+0249 STT 331A mag 7.74 Sp B5V 17320+0249 STT 331B sep 1.0 P.A. 352.60 mag 8.82 17320+0249 STT 331C sep 50.5 P.A. 239.90 mag 10.92 17320+0249 BU 1538D sep 647.4 P.A. 269.40 mag 11.5 17320+0249 BU 1538E sep 646.8 P.A. 269.20 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 17320+0249 : ALADIN DSS IMAGE @ 17h 32m 02.86s +02° 49' 25.4"
 
 
 
 
WDS 17320+0249 STT 331 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17320+0249 STT 331AC distance=0' 17331+0243 BAL1939 distance=10' 17327+0251 HDS2475 distance=11' 17320+0249 BU 1538DE distance=11' 17314+0243 A 2386 distance=12' 17309+0226 BAL1938 distance=29' 17328+0322 KPP2639 distance=35' 17342+0235 BAL1940 distance=36' 17336+0325 TDT 411 distance=44' 17313+0333 LDS4749 distance=46' 17352+0228 TDS 874 distance=53' 17345+0335 BAL2443 distance=59' 17285+0224 A 2246 distance=59' 17308+0349 A 2247 distance=63' 17283+0212 A 2245AB distance=68' 17362+0207 TDT 430 distance=75' 17364+0326 UC 3373 distance=76' 17293+0353 BAL2442 distance=77' 17319+0408 BAL2893 distance=79' 17353+0356 A 2248 distance=84' 17269+0219 A 2243 distance=84' 17269+0326 BAL2441 distance=86' 17348+0130 J 2507 distance=91' 17357+0409 A 2985AB distance=97' 17357+0409 STF2187AB,C distance=97' 17262+0205 BAL1937 distance=99' 17253+0239 GWP2711 distance=103' 17258+0207 CSN 8 distance=104' 17332+0432 FMR 134 distance=104' 17390+0240 WSI 88 distance=105' 17379+0347 BAL2444 distance=105' 17388+0324 BAL2446 distance=107' 17389+0320 BAL2447 distance=108' 17391+0231 BAL1941 distance=108' 17265+0142 KPP 605 distance=108' 17377+0138 GWP2727 distance=111' 17390+0326 BAL2448 distance=111' 17244+0242 TDS 865 distance=115' 17246+0311 BAL2439 distance=115' 17318-0055 RST5088 distance=115' 17391+0202 SHJ 251BC distance=116' 17356+0107 SKF 919 distance=116' 17349+0102 DOO 67 distance=116' 17391+0202 SHJ 251AB distance=117' 17391+0202 SHJ 251AC distance=117' 17387+0349 BAL2445 distance=117' 17393+0333 CSN 10 distance=117' 17395+0324 BU 961AB distance=117' 17395+0324 BU 961AC distance=117' 17395+0324 FOX9029AD distance=117' 17398+0225 OSO 83AB distance=119' 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 17320+0249 STT 331 AB 353 1.0
Show 17320+0249 STT 331 AC 240 50.5
Show 17331+0243 BAL1939 16.3 10
Show 17327+0251 HDS2475 226 0.1 11
Show 17320+0249 BU 1538 DE 164 2.4 11
Show 17314+0243 A 2386 125 0.2 12
Show 17309+0226 BAL1938 117 11.9 29
Show 17328+0322 KPP2639 84 24.5 35
Show 17342+0235 BAL1940 137 15.8 36
Show 17336+0325 TDT 411 286 2.9 44
Show 17313+0333 LDS4749 265 3.7 46
Show 17352+0228 TDS 874 317 1.1 53
Show 17345+0335 BAL2443 76 3.4 59
Show 17285+0224 A 2246 120 0.4 59
Show 17308+0349 A 2247 354 0.3 63
Show 17283+0212 A 2245 AB 351 2.1 68
Show 17362+0207 TDT 430 85 0.8 75
Show 17364+0326 UC 3373 73 54.9 76
Show 17293+0353 BAL2442 107 20.0 77
Show 17319+0408 BAL2893 24 13.2 79
Show 17353+0356 A 2248 241 2.1 84
Show 17269+0219 A 2243 301 2.0 84
Show 17269+0326 BAL2441 308 14.2 86
Show 17348+0130 J 2507 234 1.3 91
Show 17357+0409 A 2985 AB 343 0.3 97
Show 17357+0409 STF2187 AB,C 179 3.3 97
Show 17262+0205 BAL1937 204 12.0 99
Show 17253+0239 GWP2711 215 33.0 103
Show 17258+0207 CSN 8 269 7.3 104
Show 17332+0432 FMR 134 292 10.3 104
Show 17390+0240 WSI 88 202 0.1 105
Show 17379+0347 BAL2444 268 16.4 105
Show 17388+0324 BAL2446 199 6.6 107
Show 17389+0320 BAL2447 329 4.4 108
Show 17391+0231 BAL1941 50 15.1 108
Show 17265+0142 KPP 605 194 5.6 108
Show 17377+0138 GWP2727 345 48.8 111
Show 17390+0326 BAL2448 8 12.2 111
Show 17244+0242 TDS 865 144 1.1 115
Show 17246+0311 BAL2439 20 13.5 115
Show 17318-0055 RST5088 58 1.2 115
Show 17391+0202 SHJ 251 BC 69 99.8 116
Show 17356+0107 SKF 919 2 14.5 116
Show 17349+0102 DOO 67 117 46.0 116
Show 17391+0202 SHJ 251 AB 328 111.3 117
Show 17391+0202 SHJ 251 AC 15 133.1 117
Show 17387+0349 BAL2445 142 5.1 117
Show 17393+0333 CSN 10 300 12.5 117
Show 17395+0324 BU 961 AB 141 8.2 117
Show 17395+0324 BU 961 AC 149 25.8 117
Show 17395+0324 FOX9029 AD 174 12.5 117

 
 
WDS 17320+0249 : COMPONENTS
 
 
  A B C D
B pa=352.6°
sep=1.01"
 
C pa=239.9°
sep=50.46"
pa=238.8°
sep=50.86"
 
D pa=269.4°
sep=647.40"
pa=269.3°
sep=647.28"
pa=271.7°
sep=604.00"
 
E pa=269.2°
sep=646.77"
pa=269.1°
sep=646.65"
pa=271.5°
sep=603.27"
pa=164.1°
sep=2.42"
 
 
17320+0249 A
 
 
Var name V2373 Oph Coord arcsec 2000 173202.86+024925.4 Mag 7.74 Spectral class B5V (blue-white)
PmRA 3.00 PmDE -13.0 SAO 122481 HIP 85812
Tycho2 0418-01447-1 HD 158976 GC 23746 ADS 10614
BD BD+02 3341
Tycho2
Tycho2 0418-01447-1 Pflag P RAmdeg 263.01196996 DEmdeg 2.82374270
PmRA 3.0 PmDE -12.9 E RAmdeg 4 E DEmdeg 5
E pmRA 1.4 E pmDE 1.4 EpRAm 1991.55 EpDEm 1991.15
Num 6 Q RAmdeg 1.2 Q DEmdeg 1.2 Q pmRA 1.3
Q pmDE 1.2 BTmag 7.689 E BTmag 0.015 VTmag 7.735
E VTmag 0.011 Prox 10 TYC T HIP 85812
CCDM A RAdeg 263.01197278 DEdeg 2.82372556 EpRA 1990 1.66
EpDE 1990 1.34 E RAdeg 4.3 E DEdeg 5.2 Posflg D
Corr 0.1
SAO
SAO 122481 DelFlag RA1950 PmRA1950 0.0011
DE1950 PmDE1950 -0.027 Vmag 7.4 SpType B8
Double code Source 70 CatNum 23746 DM BD+02 3341
DMcomp BDsup HD 158976 M HD 0
GC 23746 RA1950rad 4.5794854 DE1950rad 0.04989925 PmRA2000 0.0013
PmDE2000 -0.026
Hipparcos
Catalog H HIP 85812 Proxy H RAhms 17 32 02.87
DEdms +02 49 25.4 Vmag 7.41 VarFlag 2 R Vmag H
RAdeg 263.012 DEdeg 2.82372 AstroRef A Plx 1.6
CCDM 17320+0249 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 348 Rho 1.018 HD 158976 BD BD+02 3341
CD CP Dm number +02 3341 VIred -0.02
SpType B8 R SpType Coord arcsec 2000 173202.87+024925.4
Hipparcos 2
HIP 85812 Sn 15 So 3 Nc 2
RArad 4.5904248384 DErad 0.0492832859 Plx 2.1 PmRA -1.01
PmDE -9.04 E RArad 0.88 E DErad 0.48 E Plx 1
E pmRA 1.14 E pmDE 0.49 Hpmag 7.4021 E Hpmag 0.0032
SHp 0.023 VA 1 BV -0.054 E BV 0.014
VI -0.03
CCDM
Ccdm 17320+0249 RComp Comp A Note1
Note2 Discov num DRAs 2.79 DDEs 23.6
R dRAs 65 Year Theta Rho
Obs 3 Vmag 7.9 Sp B8 PmNote *
PmRA -2 PmDE -8 Dm number 2 3341 Cat1 BD
Name2 +02 2104 Cat2 AGK2/3 HD 158976 M HD
ADS BDS A10614 M ADS BDS N IDS IDS 17270N0254A
HIC 85812
 
 
17320+0249 B
 
 
Coord arcsec 2000 173202.85+024926.4 Mag 8.82 PmRA 3.00 PmDE -13.0
Tycho2 0418-01447-2 Calc delta mag 1.08 Calc coord yes
Tycho2
Tycho2 0418-01447-2 Pflag P RAmdeg 263.01196996 DEmdeg 2.82374270
PmRA 3.0 PmDE -12.9 E RAmdeg 4 E DEmdeg 5
E pmRA 1.4 E pmDE 1.4 EpRAm 1991.55 EpDEm 1991.15
Num 6 Q RAmdeg 1.2 Q DEmdeg 1.2 Q pmRA 1.3
Q pmDE 1.2 BTmag 8.851 E BTmag 0.018 VTmag 8.820
E VTmag 0.016 Prox 10 TYC HIP 85812
CCDM B RAdeg 263.01191444 DEdeg 2.82400417 EpRA 1990 1.64
EpDE 1990 1.36 E RAdeg 7.1 E DEdeg 9.1 Posflg D
Corr 0.1
CCDM
Ccdm 17320+0249 RComp Comp B Note1
Note2 Discov num STT 331 DRAs DDEs
R dRAs Year 1959 Theta 349 Rho 1.4
Obs 99 Vmag 9.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10614 M ADS BDS N IDS IDS 17270N0254B
HIC 85812
 
 
17320+0249 C
 
 
Coord arcsec 2000 173159.95+024900.1 Mag 10.92 PmRA 1.00 PmDE -7.0
Calc delta mag 3.18 Calc coord yes
CCDM
Ccdm 17320+0249 RComp Comp C Note1
Note2 Discov num STT 331 DRAs -0.06 DDEs -0.9
R dRAs 65 Year 1898 Theta 241 Rho 51.0
Obs 2 Vmag 11.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10614 M ADS BDS N IDS IDS 17270N0254C
HIC
 
 
17320+0249 D
 
 
Coord arcsec 2000 173119.65+024918.4 Mag 11.5 PmRA 2.00 PmDE -2.0
Calc delta mag 3.76
 
 
17320+0249 E
 
 
Coord arcsec 2000 173119.69+024916.1 Mag 11.5 Calc delta mag 3.76 Calc coord yes