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Current system
17159-1330
HDS 2441
HD 156057


Nearby doubles
15' : 17156-1343
KPP 394

60' : 17120-1344
KPP2766

66' : 17153-1435
BU 282

69' : 17142-1226
TDT 282

80' : 17105-1343
HDS2425

82' : 17208-1251
SHJ 247

83' : 17215-1314
WFC 192

98' : 17198-1449
BRT2742

99' : 17093-1345
LSC 69AB

101' : 17159-1511
RST3970

105' : 17178-1149
LDS 593AB

111' : 17086-1356
KPP 392

115' : 17082-1347
NSN 140

120' : 17216-1457
GWP2703

123' : 17101-1458
RST3967

128' : 17246-1312
RST3973

129' : 17136-1534
LSC 71

130' : 17123-1131
YMG 86

131' : 17204-1138
ARY 110

132' : 17071-1302
HU 166

141' : 17065-1356
STF2119

141' : 17084-1202
UC 3294

141' : 17199-1121
STF2148

144' : 17113-1537
RST3968

149' : 17156-1558
FOX 19AB

149' : 17120-1547
FOX 18AB



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

17159-1330 HDS 2441 (HD 156057)

 
 
17h 15m 56.29s -13° 29' 39.0" P.A. 236.00 sep 12.6 mag 9.63,11.74 Sp B9.5V dist. 862.07 pc (2812.07 l.y.)
 
 
Coord 2000 17159-1330 Discov num HDS2441 Comp Coord arcsec 2000 17 15 56.29 -13 29 39.0
Date first 1907 Date last 2016 Obs 11
Pa first 236 Pa last 235.5 P.A. Now (θ) 235.5°
Sep first 12.5 Sep last 12.583 Sep. Now (ρ) 12.583"
Mag pri 9.63 Mag sec 11.74 delta mag (ΔM) 2.11 Spectral class B9.5V (blue-white)
Pri motion ra +003 Sec motion ra +004
Pri motion dec -003 Sec motion dec -003
Notes
rPM=0.2 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 156057 Constellation Ophiuchus SAO 160409 HIP 84451
Tycho2 5657-00403-1 Gaia DR2 4141181392063068288 HD 156057 BD BD-13 4577
Distance 862.07 Distance ly 2812.07
 
 
WDS 17159-1330 HDS 2441 (HD 156057) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HDS Hipparcos Double Star (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17159-1330 HDS2441 1998 5 235 12.6 9.63 11.74 B9.5V D 171556.29-132939.0
17159-1330 HDS2441 2000 6 236 12.6 9.63 11.74 B9.5V D 171556.29-132939.0
17159-1330 HDS2441 2010 7 233 12.5 9.63 11.74 B9.5V 171556.29-132939.0
17159-1330 HDS2441 2011 8 235 12.6 9.63 11.74 B9.5V 171556.29-132939.0
17159-1330 HDS2441 2015 9 236 12.6 9.63 11.74 B9.5V 171556.29-132939.0
17159-1330 HDS2441 2016 11 236 12.6 9.63 11.74 B9.5V 171556.29-132939.0

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

 
 
WDS 17159-1330 HDS 2441 (HD 156057) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17159-1330 HDS 2441 (HD 156057) : MEASURES
 
 
No records found.

 
 
WDS 17159-1330 (HD 156057) : VIRTUAL EYEPIECE
 
 

17159-1330 HDS2441A mag 9.63 Sp B9.5V 17159-1330 HDS2441B sep 12.3 P.A. 234.70 mag 11.74 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 17159-1330 (HD 156057) : ALADIN DSS IMAGE @ 17h 15m 56.29s -13° 29' 39.0"
 
 
 
 
WDS 17159-1330 HDS 2441 (HD 156057) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17159-1330 HDS2441 distance=1' 17156-1343 KPP 394 distance=15' 17120-1344 KPP2766 distance=60' 17153-1435 BU 282 distance=66' 17142-1226 TDT 282 distance=69' 17105-1343 HDS2425 distance=80' 17208-1251 SHJ 247 distance=82' 17215-1314 WFC 192 distance=83' 17198-1449 BRT2742 distance=98' 17093-1345 LSC 69AB distance=99' 17159-1511 RST3970 distance=101' 17178-1149 LDS 593AB distance=105' 17178-1149 CRC 23AC distance=105' 17086-1356 KPP 392 distance=111' 17082-1347 NSN 140 distance=115' 17216-1457 GWP2703 distance=120' 17101-1458 RST3967 distance=123' 17246-1312 RST3973 distance=128' 17136-1534 LSC 71 distance=129' 17123-1131 YMG 86 distance=130' 17204-1138 ARY 110 distance=131' 17071-1302 HU 166 distance=132' 17065-1356 STF2119 distance=141' 17084-1202 UC 3294 distance=141' 17199-1121 STF2148 distance=141' 17113-1537 RST3968 distance=144' 17120-1547 FOX 18CD distance=148' 17156-1558 FOX 19AB distance=149' 17156-1558 FOX 19AC distance=149' 17120-1547 FOX 18AB distance=149' 17120-1547 FOX 18AB,C distance=149' 17192-1107 REI 1AB distance=150' 17192-1107 KPP4389AC distance=150' 17255-1435 KPP 789BC distance=155' 17162-1054 LSC 72 distance=157' 17104-1544 BU 1118AB (Sabik) distance=157' 17104-1544 BU 1118AD (Sabik) distance=157' 17104-1544 BU 1118AB,C distance=157' 17104-1544 DAL 52AE (Sabik) distance=157' 17058-1422 HU 165 distance=157' 17217-1542 FOX 199BC distance=158' 17217-1542 FOX 199AB distance=158' 17217-1542 FOX 199AC distance=158' 17217-1542 ABH 89AD distance=158' 17217-1542 ABH 89AE distance=158' 17217-1542 ABH 89AF distance=158' 17240-1142 BU 242AB distance=161' 17240-1142 BU 242AC distance=161' 17240-1142 BU 242AD distance=161' 17196-1603 ARA 6 distance=163' 17217-1103 HU 173 distance=169' 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 17159-1330 HDS2441 236 12.6 1
Show 17156-1343 KPP 394 132 3.3 15
Show 17120-1344 KPP2766 346 1.7 60
Show 17153-1435 BU 282 151 4.4 66
Show 17142-1226 TDT 282 268 0.6 69
Show 17105-1343 HDS2425 9 0.2 80
Show 17208-1251 SHJ 247 25 45.6 82
Show 17215-1314 WFC 192 125 5.1 83
Show 17198-1449 BRT2742 246 4.3 98
Show 17093-1345 LSC 69 AB 206 0.6 99
Show 17159-1511 RST3970 78 0.4 101
Show 17178-1149 LDS 593 AB 338 30.1 105
Show 17178-1149 CRC 23 AC 145 4.7 105
Show 17086-1356 KPP 392 27 3.9 111
Show 17082-1347 NSN 140 252 1.3 115
Show 17216-1457 GWP2703 171 334.6 120
Show 17101-1458 RST3967 194 0.6 123
Show 17246-1312 RST3973 304 0.4 128
Show 17136-1534 LSC 71 92 0.7 129
Show 17123-1131 YMG 86 78 0.1 130
Show 17204-1138 ARY 110 237 77.1 131
Show 17071-1302 HU 166 297 1.1 132
Show 17065-1356 STF2119 185 2.4 141
Show 17084-1202 UC 3294 204 43.7 141
Show 17199-1121 STF2148 220 5.6 141
Show 17113-1537 RST3968 291 0.5 144
Show 17120-1547 FOX 18 CD 248 13.8 148
Show 17156-1558 FOX 19 AB 118 1.1 149
Show 17156-1558 FOX 19 AC 227 20.0 149
Show 17120-1547 FOX 18 AB 50 2.1 149
Show 17120-1547 FOX 18 AB,C 340 115.9 149
Show 17192-1107 REI 1 AB 352 8.7 150
Show 17192-1107 KPP4389 AC 142 48.8 150
Show 17255-1435 KPP 789 BC 177 6.8 155
Show 17162-1054 LSC 72 153 1.1 157
Show Sabik 17104-1544 BU 1118 AB 225 0.4 157
Show Sabik 17104-1544 BU 1118 AD 281 101.2 157
Show 17104-1544 BU 1118 AB,C 148 99.8 157
Show Sabik 17104-1544 DAL 52 AE 317 62.7 157
Show 17058-1422 HU 165 90 0.5 157
Show 17217-1542 FOX 199 BC 75 19.6 158
Show 17217-1542 FOX 199 AB 270 10.1 158
Show 17217-1542 FOX 199 AC 61 10.2 158
Show 17217-1542 ABH 89 AD 76 72.8 158
Show 17217-1542 ABH 89 AE 97 36.5 158
Show 17217-1542 ABH 89 AF 38 27.7 158
Show 17240-1142 BU 242 AB 79 1.2 161
Show 17240-1142 BU 242 AC 64 9.1 161
Show 17240-1142 BU 242 AD 61 48.3 161
Show 17196-1603 ARA 6 64 6.8 163
Show 17217-1103 HU 173 345 0.6 169

 
 
WDS 17159-1330 : COMPONENTS
 
 
  A
B pa=234.7°
sep=12.35"
 
 
17159-1330 A
 
 
Componente originario normalizzato AB Name HD 156057 Coord arcsec 2000 171556.29-132939.0 Mag 9.63
Spectral class B9.5V (blue-white) PmRA 3.00 PmDE -3.0 SAO 160409
HIP 84451 Tycho2 5657-00403-1 HD 156057 BD BD-13 4577
Tycho2
Tycho2 5657-00403-1 Pflag RAmdeg 258.98454999 DEmdeg -13.49416868
PmRA 5.0 PmDE -1.8 E RAmdeg 15 E DEmdeg 17
E pmRA 1.3 E pmDE 1.4 EpRAm 1987.66 EpDEm 1986.21
Num 9 Q RAmdeg 2.3 Q DEmdeg 1.2 Q pmRA 2.4
Q pmDE 1.1 BTmag 10.013 E BTmag 0.030 VTmag 9.629
E VTmag 0.029 Prox 126 TYC T HIP 84451
CCDM A RAdeg 258.98454083 DEdeg -13.49416278 EpRA 1990 1.67
EpDE 1990 1.50 E RAdeg 16.9 E DEdeg 20.0 Posflg
Corr 0.0
SAO
SAO 160409 DelFlag RA1950 PmRA1950 0.0017
DE1950 PmDE1950 0.006 Vmag 8.5 SpType A0
Double code Source 20 CatNum 5897 DM BD-13 4577
DMcomp BDsup HD 156057 M HD 0
GC RA1950rad 4.50780849 DE1950rad -0.23455791 PmRA2000 0.0019
PmDE2000 0.009
Hipparcos
Catalog H HIP 84451 Proxy RAhms 17 15 56.29
DEdms -13 29 39.0 Vmag 9.6 VarFlag R Vmag H
RAdeg 258.985 DEdeg -13.4942 AstroRef A Plx -0.06
CCDM 17159-1330 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual D M HIP AB
Theta 236 Rho 12.582 HD 156057 BD BD-13 4577
CD CP Dm number -13 4577 VIred 0.55
SpType B9.5V R SpType Coord arcsec 2000 171556.29-132939.0
Hipparcos 2
HIP 84451 Sn 15 So 3 Nc 2
RArad 4.5201329313 DErad -0.2355177093 Plx -1.16 PmRA 5.73
PmDE -5.52 E RArad 2.24 E DErad 1.31 E Plx 2.36
E pmRA 2.35 E pmDE 1.44 Hpmag 9.6818 E Hpmag 0.0244
SHp 0.047 VA 0 BV 0.367 E BV 0.04
VI 0.43
CCDM
Ccdm 17159-1330 RComp Comp A Note1
Note2 Discov num DRAs 2.29 DDEs 20.9
R dRAs 82 Year Theta Rho
Obs 2 Vmag 9.7 Sp B9 PmNote *
PmRA 6 PmDE -8 Dm number -13 4577 Cat1 BD
Name2 160409 Cat2 SAO HD 156057 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 84451
 
 
17159-1330 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 171555.60-132946.1 Mag 11.74 PmRA 4.00
PmDE -3.0 Calc delta mag 2.11 Calc coord yes
CCDM
Ccdm 17159-1330 RComp Comp B Note1
Note2 Discov num HDS DRAs 1.58 DDEs 13.8
R dRAs 82 Year 1991 Theta 236 Rho 12.6
Obs 1 Vmag 11.7 Sp PmNote *
PmRA 6 PmDE -8 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 84451