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Doubles in session


Current system
18020+1245
HDS 2538
HD 164714


Nearby doubles
10' : 18018+1254
HEI 554

13' : 18012+1239
GWP2755

23' : 18005+1238
TDT 629

29' : 18039+1244
SLE 127

34' : 17597+1236
BRT1292

39' : 18046+1240
HDS2545

43' : 18048+1253
BPM 719

45' : 18043+1217
UC 3486

48' : 17590+1226
STF2254AB

53' : 18056+1242
J 1220

56' : 18057+1253
SLE 129

57' : 17583+1302
TDT 603

57' : 18033+1152
TDT 655

61' : 18061+1257
BPM 722

63' : 18048+1333
HJ 1312

65' : 17588+1330
RUC 10AB

67' : 17594+1151
BPM 714

72' : 18057+1200
STF2276AB

73' : 17575+1318
BPM 711

81' : 17566+1305
TDT 588

84' : 17586+1353
HU 1289

86' : 18076+1225
HEI 556

87' : 17580+1141
TDS 892

88' : 18078+1304
H 5 74

89' : 18053+1400
BPM 720

90' : 18076+1210
TDT 697



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

18020+1245 HDS 2538 (HD 164714)

 
 
18h 01m 58.36s +12° 45' 28.1" P.A. 210.00 sep 0.4 mag 8.18,11.43 Sp A0 dist. 271.74 pc (886.42 l.y.)
 
 
Coord 2000 18020+1245 Discov num HDS2538 Comp Coord arcsec 2000 18 01 58.36 +12 45 28.1
Date first 1991 Date last 2013 Obs 2
Pa first 219 Pa last 210.2 P.A. Now (θ) 210.2°
Sep first 0.4 Sep last 0.423 Sep. Now (ρ) 0.423"
Mag pri 8.18 Mag sec 11.43 delta mag (ΔM) 3.25 Spectral class A0 (white)
Pri motion ra -002 Sec motion ra
Pri motion dec -013 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 164714 Constellation Ophiuchus SAO 103314 HIP 88304
Tycho2 1016-01094-1 Gaia DR2 4496333852676747776 HD 164714 BD BD+12 3362
Distance 271.74 Distance ly 886.42
 
 
WDS 18020+1245 HDS 2538 (HD 164714) : 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
18020+1245 HDS2538 1991 1 219 0.4 8.18 11.43 A0 D 180158.36+124528.1
18020+1245 HDS2538 2013 2 210 0.4 8.18 11.43 A0 180158.36+124528.1

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

 
 
WDS 18020+1245 HDS 2538 (HD 164714) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18020+1245 HDS 2538 (HD 164714) : MEASURES
 
 
No records found.

 
 
WDS 18020+1245 (HD 164714) : VIRTUAL EYEPIECE
 
 

18020+1245 HDS2538A mag 8.18 Sp A0 18020+1245 HDS2538B sep 0.4 P.A. 209.60 mag 11.43 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 18020+1245 (HD 164714) : ALADIN DSS IMAGE @ 18h 01m 58.36s +12° 45' 28.1"
 
 
 
 
WDS 18020+1245 HDS 2538 (HD 164714) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18020+1245 HDS2538 distance=0' 18018+1254 HEI 554 distance=10' 18012+1239 GWP2755 distance=13' 18005+1238 TDT 629 distance=23' 18039+1244 SLE 127 distance=29' 17597+1236 BRT1292 distance=34' 18046+1240 HDS2545 distance=39' 18048+1253 BPM 719 distance=43' 18043+1217 UC 3486 distance=45' 17590+1226 STF2254AB distance=48' 17590+1226 STF2254AC distance=48' 18056+1242 J 1220 distance=53' 18057+1253 SLE 129 distance=56' 17583+1302 TDT 603 distance=57' 18033+1152 TDT 655 distance=57' 18046+1329 HJ 1311CF distance=58' 18061+1257 BPM 722 distance=61' 18048+1333 HJ 1312 distance=63' 17588+1330 RUC 10AB distance=65' 17588+1330 RUC 10AC distance=65' 17594+1151 BPM 714 distance=67' 18057+1200 STF2276BC distance=72' 18057+1200 STF2276AB distance=72' 18057+1200 STF2276AC distance=72' 17575+1318 BPM 711 distance=73' 17566+1305 TDT 588 distance=81' 17586+1353 HU 1289 distance=84' 18076+1225 HEI 556 distance=86' 17580+1141 TDS 892 distance=87' 18078+1304 H 5 74 distance=88' 18053+1400 BPM 720 distance=89' 18076+1210 TDT 697 distance=90' 18081+1232 BPM 727 distance=91' 18086+1245 HDS2556 distance=97' 18083+1318 GWP2760AB distance=99' 18083+1318 GWP2761AC distance=99' 18083+1318 GWP2762AD distance=99' 17555+1322 BPM 709 distance=101' 18089+1239 TDT 708 distance=102' 18067+1359 AG 358AB distance=102' 18067+1359 FOX 219AD distance=102' 18067+1359 COU 8BC distance=102' 18085+1324 UC 3504 distance=103' 18048+1110 KPP1572 distance=104' 17582+1414 GWP2749 distance=105' 18082+1346 TDS 906 distance=110' 18069+1408 FAL 61 distance=110' 18068+1120 SLE 132AB distance=111' 18068+1120 SLE 132AC distance=111' 18068+1120 SLE 132BC distance=112' 18096+1255 BPM 736 distance=112' 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 18020+1245 HDS2538 210 0.4
Show 18018+1254 HEI 554 13 2.6 10
Show 18012+1239 GWP2755 121 64.4 13
Show 18005+1238 TDT 629 138 2.2 23
Show 18039+1244 SLE 127 304 8.6 29
Show 17597+1236 BRT1292 305 3.7 34
Show 18046+1240 HDS2545 121 0.1 39
Show 18048+1253 BPM 719 277 18.7 43
Show 18043+1217 UC 3486 177 50.6 45
Show 17590+1226 STF2254 AB 265 3.5 48
Show 17590+1226 STF2254 AC 67 56.1 48
Show 18056+1242 J 1220 128 1.5 53
Show 18057+1253 SLE 129 272 11.0 56
Show 17583+1302 TDT 603 234 0.7 57
Show 18033+1152 TDT 655 281 0.4 57
Show 18046+1329 HJ 1311 CF 55 7.4 58
Show 18061+1257 BPM 722 340 105.0 61
Show 18048+1333 HJ 1312 60 25.2 63
Show 17588+1330 RUC 10 AB 17 2.4 65
Show 17588+1330 RUC 10 AC 190 13.4 65
Show 17594+1151 BPM 714 120 89.0 67
Show 18057+1200 STF2276 BC 311 58.7 72
Show 18057+1200 STF2276 AB 257 7.1 72
Show 18057+1200 STF2276 AC 306 63.8 72
Show 17575+1318 BPM 711 70 98.2 73
Show 17566+1305 TDT 588 195 0.6 81
Show 17586+1353 HU 1289 72 0.6 84
Show 18076+1225 HEI 556 114 1.8 86
Show 17580+1141 TDS 892 283 0.8 87
Show 18078+1304 H 5 74 140 42.7 88
Show 18053+1400 BPM 720 327 54.4 89
Show 18076+1210 TDT 697 167 2.2 90
Show 18081+1232 BPM 727 203 43.6 91
Show 18086+1245 HDS2556 124 0.5 97
Show 18083+1318 GWP2760 AB 11 28.6 99
Show 18083+1318 GWP2761 AC 40 99.6 99
Show 18083+1318 GWP2762 AD 73 159.4 99
Show 17555+1322 BPM 709 219 120.0 101
Show 18089+1239 TDT 708 83 1.0 102
Show 18067+1359 AG 358 AB 330 3.7 102
Show 18067+1359 FOX 219 AD 318 86.4 102
Show 18067+1359 COU 8 BC 120 0.9 102
Show 18085+1324 UC 3504 333 50.0 103
Show 18048+1110 KPP1572 325 11.9 104
Show 17582+1414 GWP2749 130 8.1 105
Show 18082+1346 TDS 906 29 1.2 110
Show 18069+1408 FAL 61 129 6.5 110
Show 18068+1120 SLE 132 AB 58 12.0 111
Show 18068+1120 SLE 132 AC 101 22.3 111
Show 18068+1120 SLE 132 BC 131 15.6 112
Show 18096+1255 BPM 736 193 85.2 112

 
 
WDS 18020+1245 : COMPONENTS
 
 
  A
B pa=209.6°
sep=0.42"
 
 
18020+1245 A
 
 
Componente originario normalizzato AB Name HD 164714 Coord arcsec 2000 180158.36+124528.1 Mag 8.18
Spectral class A0 (white) PmRA -2.00 PmDE -13.0 SAO 103314
HIP 88304 Tycho2 1016-01094-1 HD 164714 BD BD+12 3362
Tycho2
Tycho2 1016-01094-1 Pflag RAmdeg 270.49316714 DEmdeg 12.75776952
PmRA -3.4 PmDE -11.2 E RAmdeg 5 E DEmdeg 5
E pmRA 1.5 E pmDE 1.4 EpRAm 1991.36 EpDEm 1991.22
Num 9 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.7
Q pmDE 0.8 BTmag 8.219 E BTmag 0.016 VTmag 8.092
E VTmag 0.011 Prox 999 TYC T HIP 88304
CCDM AB RAdeg 270.49317500 DEdeg 12.75779611 EpRA 1990 1.62
EpDE 1990 1.50 E RAdeg 4.6 E DEdeg 4.8 Posflg P
Corr 0.0
SAO
SAO 103314 DelFlag RA1950 PmRA1950 -0.001
DE1950 PmDE1950 -0.02 Vmag 7.9 SpType A0
Double code Source 29 CatNum 6382 DM BD+12 3362
DMcomp BDsup HD 164714 M HD 0
GC RA1950rad 4.71091153 DE1950rad 0.22264987 PmRA2000 -0.0009
PmDE2000 -0.02
Hipparcos
Catalog H HIP 88304 Proxy H RAhms 18 01 58.36
DEdms +12 45 28.1 Vmag 8.09 VarFlag R Vmag H
RAdeg 270.493 DEdeg 12.7578 AstroRef A Plx 2.63
CCDM 18020+1245 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 219 Rho 0.428 HD 164714 BD BD+12 3362
CD CP Dm number +12 3362 VIred 0.09
SpType A0 R SpType Coord arcsec 2000 180158.36+124528.1
Hipparcos 2
HIP 88304 Sn 15 So 3 Nc 2
RArad 4.7209965352 DErad 0.2226656382 Plx 3.68 PmRA -3.7
PmDE -11.31 E RArad 0.51 E DErad 0.53 E Plx 0.81
E pmRA 0.63 E pmDE 0.65 Hpmag 8.1308 E Hpmag 0.0013
SHp 0.015 VA 0 BV 0.106 E BV 0.01
VI 0.12
CCDM
Ccdm 18020+1245 RComp Comp A Note1
Note2 Discov num DRAs -1.64 DDEs 28.0
R dRAs 82 Year Theta Rho
Obs 2 Vmag 8.2 Sp A0 PmNote *
PmRA -2 PmDE -13 Dm number +12 3362 Cat1 BD
Name2 +12 1882 Cat2 AGK2/3 HD 164714 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 88304
 
 
18020+1245 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 180158.35+124527.7 Mag 11.43 Calc delta mag 3.25
Calc coord yes
CCDM
Ccdm 18020+1245 RComp Comp B Note1
Note2 Discov num HDS DRAs -1.65 DDEs 27.6
R dRAs 82 Year 1991 Theta 219 Rho 0.4
Obs 1 Vmag 11.4 Sp PmNote *
PmRA -2 PmDE -13 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 88304