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Doubles in session


Current system
17267+3105
LDS 995
HD 158226


Nearby doubles
25' : 17274+3128
HJL1093

26' : 17266+3130
UC 3341

31' : 17249+3045
B 2544

32' : 17248+3044
BU 1250

44' : 17277+3024
HO 416AB

51' : 17299+3035
SLE 29

52' : 17300+3035
GRV 957

54' : 17300+3138
LDS4746

56' : 17305+3132
KPP2117

59' : 17301+3025
TDT 383

61' : 17226+3037
TDT 325

68' : 17269+2957
KPP1455

69' : 17321+3106
LDS4750

76' : 17246+3215
H N 5AB

78' : 17308+3201
ZHN 31

78' : 17284+2950
ARY 13

79' : 17317+3019
STF2181AB

81' : 17222+3010
ROE 108

82' : 17313+3008
RAO 375

90' : 17302+3222
COU 806

91' : 17272+3235
TDT 362

93' : 17200+3035
TOB 138

95' : 17338+3131
TDT 415

98' : 17262+2927
STF2165AB

104' : 17294+3243
STF2175

105' : 17348+3100
LDS4756



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

17267+3105 LDS 995 (HD 158226)

 
 
17h 26m 43.20s +31° 04' 37.9" P.A. 200.00 sep 68.1 mag 8.48,9.67 Sp G1V+G8V dist. 71.23 pc (232.35 l.y.)
 
 
Coord 2000 17267+3105 Discov num LDS 995 Comp Coord arcsec 2000 17 26 43.20 +31 04 37.9
Date first 1902 Date last 2020 Obs 22
Pa first 201 Pa last 199.5 P.A. Now (θ) 199.5°
Sep first 68.3 Sep last 68.08 Sep. Now (ρ) 68.08"
Mag pri 8.48 Mag sec 9.67 delta mag (ΔM) 1.19 Spectral class G1V+G8V (yellow/yellow)
Pri motion ra -361 Sec motion ra -360
Pri motion dec +075 Sec motion dec +075
Notes N T (See Notes, Parallax indicates physical)
rPM=0.003 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 158226 Constellation Hercules SAO 66051 HIP 85373
Tycho2 2605-00347-1 HD 158226 BD BD+31 3025 Distance 71.23
Distance ly 232.35
 
 
WDS 17267+3105 LDS 995 (HD 158226) : NOTES
 
 
discov_num notes refcode
LDS 995 B is BD+31@3025.
NLTT 44816/44814 Chm2004
HJL 247. HJL1986
SHY 720. Bayesian analysis by Shaya & Olling (2011) indicates very Shy2011
high (near 100%) probability pair is physical.
 
 
REFERENCES
 
 
refcode metd author reference
Chm2004 E - Chaname, J. & Gould, A. 2004ApJ...601..289C
Chm2004 ApJ 601, 289, 2004
Chm2004 (Photometry, coordinates, and astrometry from rNLTT. Astrometry from early
Chm2004 versions of 2MASS and UCAC, with date given only as "circa 2000". Measures
Chm2004 identical to discovery observations - predominantly close pairs - were assumed
Chm2004 not new observations, so not included in WDS. Similar concerns when primary and
Chm2004 secondary magnitudes or proper motions were the same.)
HJL1986 Pa - Halbwachs, J.L. 1986A&AS...66..131H
HJL1986 A&AS 66, 131, 1986
HJL1986 (Possible CPM pairs from AGK2/3. Coarse astrometry, incl. mean 1950 dates, added
HJL1986 only for previously unknown pairs. Table 1: HJL 1 - 326, Table 2: HJL1001 - 1113)
Shy2011 - Shaya, E.J. & Olling, R. 2011ApJS..192....2S
Shy2011 ApJS 192, 2, 2011
Shy2011 (Statistical analysis of probability that wide Hipparcos pairs are physical. Pairs
Shy2011 added to WDS only if probability 90% or greater.)
 
 
DISCOVERER
 
 
idgroup discov author
1 LDS Luyten p.m. catalog (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
17267+3105 LDS 995 2004 13 200 68.1 8.48 9.67 G1V NZDV 172643.20+310437.9
17267+3105 LDS 995 2010 15 200 67.9 8.48 9.67 G1V+G8V NZ V 172643.20+310437.9
17267+3105 LDS 995 2015 16 200 67.8 8.48 9.67 G1V+G8V NZ V 172643.20+310437.9
17267+3105 LDS 995 2020 20 200 68.1 8.48 9.67 G1V+G8V NT 172643.20+310437.9

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

 
 
WDS 17267+3105 LDS 995 (HD 158226) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17267+3105 LDS 995 (HD 158226) : MEASURES
 
 
No records found.

 
 
WDS 17267+3105 (HD 158226) : VIRTUAL EYEPIECE
 
 

17267+3105 LDS 995A mag 8.48 Sp G1V 17267+3105 LDS 995B sep 67.1 P.A. 196.90 mag 9.67 Sp G8V 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 17267+3105 (HD 158226) : ALADIN DSS IMAGE @ 17h 26m 43.20s +31° 04' 37.9"
 
 
 
 
WDS 17267+3105 LDS 995 (HD 158226) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17267+3105 LDS 995 distance=1' 17274+3128 HJL1093 distance=25' 17266+3130 UC 3341 distance=26' 17249+3045 B 2544 distance=31' 17248+3044 BU 1250 distance=32' 17277+3024 HO 416AB distance=44' 17277+3024 SLE 28AC distance=44' 17299+3035 SLE 29 distance=51' 17300+3035 GRV 957 distance=52' 17300+3138 LDS4746 distance=54' 17305+3132 KPP2117 distance=56' 17301+3025 TDT 383 distance=59' 17226+3037 TDT 325 distance=61' 17269+2957 KPP1455 distance=68' 17321+3106 LDS4750 distance=69' 17246+3215 H N 5AB distance=76' 17246+3215 H N 5AC distance=76' 17246+3215 H N 5AD distance=76' 17308+3201 ZHN 31 distance=78' 17284+2950 ARY 13 distance=78' 17317+3019 STF2181AB distance=79' 17317+3019 STF2181AC distance=79' 17317+3019 SLE 27AD distance=79' 17222+3010 ROE 108 distance=81' 17313+3008 RAO 375 distance=82' 17302+3222 COU 806 distance=90' 17272+3235 TDT 362 distance=91' 17200+3035 TOB 138 distance=93' 17338+3131 TDT 415 distance=95' 17262+2927 STF2165AB distance=98' 17262+2927 STF2165AC distance=98' 17262+2927 STF2165CD distance=99' 17294+3243 STF2175 distance=104' 17348+3100 LDS4756 distance=105' 17293+2924 A 351AB distance=107' 17293+2924 KUI 82AB,C distance=107' 17294+3245 STF2174 distance=107' 17226+2931 FMR 132 distance=108' 17225+2928 SLW1209 distance=111' 17254+2914 GRV 952 distance=111' 17207+3228 DOR 1AB distance=114' 17207+3228 ARN 14AD distance=114' 17207+3228 ARN 14AE distance=114' 17207+3228 ARN 14AF distance=114' 17296+2916 LDS4744 distance=115' 17201+3225 GCB 28BC distance=116' 17201+3225 GCB 28AC distance=116' 17341+2959 ES 468 distance=118' 17191+3210 CRB 121 distance=118' 17222+3247 COU 626 distance=119' 17207+3228 DOR 1BC 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 17267+3105 LDS 995 200 68.1 1
Show 17274+3128 HJL1093 326 187.8 25
Show 17266+3130 UC 3341 122 5.5 26
Show 17249+3045 B 2544 200 1.2 31
Show 17248+3044 BU 1250 118 1.9 32
Show 17277+3024 HO 416 AB 97 4.5 44
Show 17277+3024 SLE 28 AC 275 79.1 44
Show 17299+3035 SLE 29 74 37.6 51
Show 17300+3035 GRV 957 30 11.5 52
Show 17300+3138 LDS4746 39 8.5 54
Show 17305+3132 KPP2117 149 17.2 56
Show 17301+3025 TDT 383 242 1.1 59
Show 17226+3037 TDT 325 126 0.2 61
Show 17269+2957 KPP1455 192 10.9 68
Show 17321+3106 LDS4750 19 8.9 69
Show 17246+3215 H N 5 AB 356 24.6 76
Show 17246+3215 H N 5 AC 181 37.2 76
Show 17246+3215 H N 5 AD 15 152.3 76
Show 17308+3201 ZHN 31 259 7.1 78
Show 17284+2950 ARY 13 89 102.9 78
Show 17317+3019 STF2181 AB 328 33.0 79
Show 17317+3019 STF2181 AC 218 37.7 79
Show 17317+3019 SLE 27 AD 25 164.5 79
Show 17222+3010 ROE 108 1 6.0 81
Show 17313+3008 RAO 375 181 0.7 82
Show 17302+3222 COU 806 102 5.6 90
Show 17272+3235 TDT 362 156 0.3 91
Show 17200+3035 TOB 138 24 13.9 93
Show 17338+3131 TDT 415 220 0.8 95
Show 17262+2927 STF2165 AB 62 10.4 98
Show 17262+2927 STF2165 AC 251 94.8 98
Show 17262+2927 STF2165 CD 180 52.3 99
Show 17294+3243 STF2175 9 13.3 104
Show 17348+3100 LDS4756 135 135.0 105
Show 17293+2924 A 351 AB 58 0.5 107
Show 17293+2924 KUI 82 AB,C 314 49.9 107
Show 17294+3245 STF2174 331 5.4 107
Show 17226+2931 FMR 132 342 31.6 108
Show 17225+2928 SLW1209 12 19.0 111
Show 17254+2914 GRV 952 328 22.6 111
Show 17207+3228 DOR 1 AB 340 308.1 114
Show 17207+3228 ARN 14 AD 60 396.4 114
Show 17207+3228 ARN 14 AE 51 302.2 114
Show 17207+3228 ARN 14 AF 101 374.0 114
Show 17296+2916 LDS4744 162 15.7 115
Show 17201+3225 GCB 28 BC 230 3.6 116
Show 17201+3225 GCB 28 AC 231 2.7 116
Show 17341+2959 ES 468 11 2.3 118
Show 17191+3210 CRB 121 285 14.9 118
Show 17222+3247 COU 626 272 4.2 119
Show 17207+3228 DOR 1 BC 252 5.7 119

 
 
WDS 17267+3105 : COMPONENTS
 
 
  A
B pa=196.9°
sep=67.06"
 
 
17267+3105 A
 
 
Componente originario normalizzato AB Name HD 158226 Coord arcsec 2000 172643.20+310437.9 Mag 8.48
Spectral class G1V (yellow) PmRA -361.00 PmDE 75.0 SAO 66051
HIP 85378 Tycho2 2605-00347-1 HD 158226 BD BD+31 3027
Tycho2
Tycho2 2605-00347-1 Pflag RAmdeg 261.67998550 DEmdeg 31.07718475
PmRA -361.9 PmDE 72.1 E RAmdeg 7 E DEmdeg 7
E pmRA 1.5 E pmDE 1.4 EpRAm 1991.05 EpDEm 1991.21
Num 10 Q RAmdeg 0.7 Q DEmdeg 1.0 Q pmRA 0.7
Q pmDE 1.1 BTmag 9.190 E BTmag 0.018 VTmag 8.524
E VTmag 0.013 Prox 679 TYC T HIP 85378
CCDM RAdeg 261.68098000 DEdeg 31.07701694 EpRA 1990 1.53
EpDE 1990 1.61 E RAdeg 7.4 E DEdeg 7.0 Posflg
Corr 0.0
SAO
SAO 66051 DelFlag RA1950 PmRA1950 -0.0271
DE1950 PmDE1950 0.075 Vmag 8 SpType F8
Double code Source 6 CatNum 1517 DM BD+31 3027
DMcomp BDsup HD 158226 M HD 0
GC RA1950rad 4.55899766 DE1950rad 0.54310359 PmRA2000 -0.0269
PmDE2000 0.074
Hipparcos
Catalog H HIP 85378 Proxy RAhms 17 26 43.44
DEdms +31 04 37.2 Vmag 8.48 VarFlag R Vmag H
RAdeg 261.681 DEdeg 31.077 AstroRef Plx 14.51
CCDM 17267+3104 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 158226 BD BD+31 3027
CD CP Dm number +31 3027 VIred 0.69
SpType G1V R SpType Coord arcsec 2000 172643.44+310437.2
Hipparcos 2
HIP 85378 Sn 5 So 0 Nc 1
RArad 4.567195231 DErad 0.5423961732 Plx 14.57 PmRA -361.78
PmDE 73.1 E RArad 0.57 E DErad 0.73 E Plx 0.87
E pmRA 0.65 E pmDE 0.98 Hpmag 8.6135 E Hpmag 0.0016
SHp 0.016 VA 0 BV 0.626 E BV 0.003
VI 0.69
 
 
17267+3105 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 172641.68+310333.7 Mag 9.67 Spectral class G8V (yellow)
PmRA -360.00 PmDE 75.0 HIP 85373 Tycho2 2605-01517-1
BD BD+31 3025 Calc delta mag 1.19 Calc coord yes
Tycho2
Tycho2 2605-01517-1 Pflag RAmdeg 261.67253683 DEmdeg 31.05944013
PmRA -358.5 PmDE 73.9 E RAmdeg 16 E DEmdeg 16
E pmRA 1.7 E pmDE 1.7 EpRAm 1989.32 EpDEm 1989.14
Num 8 Q RAmdeg 0.6 Q DEmdeg 0.6 Q pmRA 0.6
Q pmDE 0.6 BTmag 10.474 E BTmag 0.035 VTmag 9.652
E VTmag 0.024 Prox 679 TYC T HIP 85373
CCDM RAdeg 261.67352000 DEdeg 31.05926778 EpRA 1990 1.53
EpDE 1990 1.59 E RAdeg 17.0 E DEdeg 16.7 Posflg
Corr 0.0
Hipparcos
Catalog H HIP 85373 Proxy RAhms 17 26 41.65
DEdms +31 03 33.4 Vmag 9.67 VarFlag R Vmag H
RAdeg 261.674 DEdeg 31.0593 AstroRef Plx 14.04
CCDM 17267+3104 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD BD+31 3025
CD CP Dm number +31 3025 VIred 0.86
SpType G8V R SpType Coord arcsec 2000 172641.65+310333.4
Hipparcos 2
HIP 85373 Sn 5 So 0 Nc 1
RArad 4.5670651496 DErad 0.5420864368 Plx 14.04 PmRA -358.7
PmDE 73.87 E RArad 0.76 E DErad 0.84 E Plx 1.13
E pmRA 0.89 E pmDE 1.25 Hpmag 9.8091 E Hpmag 0.0025
SHp 0.022 VA 0 BV 0.84 E BV 0.015
VI 0.88