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Current system
18582-8325
RST 3188 AB
HD 172226


Nearby doubles
16' : 19036-8337
GLI 247

33' : 18595-8253
RST3191

37' : 19176-8339
LDS 662

38' : 19170-8345
RST3208

46' : 19066-8243
TDT1227

49' : 18487-8240
TDT1065

53' : 19051-8417
TDT1216

63' : 18545-8224
KPP4128

65' : 18481-8428
RST3180

77' : 19158-8216
NSN 431

149' : 19077-8553
TDT1241

167' : 18491-8612
HDS2667

174' : 19071-8033
RSS 511

209' : 19131-8000
HJ 5071

239' : 18392-7930
KPP2188

246' : 19173-7923
TDT1355

255' : 18538-7911
RST3192

262' : 18532-8747
TDT1112

268' : 19041-7859
HJ 5063

286' : 19028-7840
LDS 657

288' : 19016-7838
RST3201

292' : 19131-7836
HJ 5073



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.

18582-8325 RST 3188 AB (HD 172226)

 
 
18h 58m 10.03s -83° 25' 19.8" P.A. 281.00 sep 0.4 mag 6.78,7.55 Sp B9/9.5V dist. 169.49 pc (552.88 l.y.)
 
 
Coord 2000 18582-8325 Discov num RST3188 Comp AB Coord arcsec 2000 18 58 10.03 -83 25 19.8
Date first 1934 Date last 1991 Obs 7
Pa first 320 Pa last 280.5 P.A. Now (θ) 280.5°
Sep first 0.3 Sep last 0.41 Sep. Now (ρ) 0.41"
Mag pri 6.78 Mag sec 7.55 delta mag (ΔM) 0.77 Spectral class B9/9.5V (blue-white)
Pri motion ra +017 Sec motion ra +017
Pri motion dec -018 Sec motion dec -018
Notes
Nature of this double is uncertain.
 
 
18582-8325 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 172226 258814 18 58 10 -83 25 20 RST 3188 AB 1991 7 281 0.4 6.78 7.55 0.77 <===
Show 258814 18 58 10 -83 25 20 HJ 5043 AB,C 2000 4 359 44.9 6.78 14.50 7.72
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 172226 Constellation Octans SAO 258814 HIP 93117
Tycho2 9523-03026-1 HD 172226 GC 25771 CP CP-83 664
Distance 169.49 Distance ly 552.88
 
 
WDS 18582-8325 RST 3188 AB (HD 172226) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HJ_1826 Mb - Herschel, J.F.W. 1826MmRAS...2..459H
HJ_1826 MemRAS 2, 459, 1826
HJ_1829a Mb - Herschel, J.F.W. 1829MmRAS...3...47H
HJ_1829a MemRAS 3, 47, 1829
HJ_1829b Mb - Herschel, J.F.W. 1829MmRAS...3..177H
HJ_1829b MemRAS 3, 177, 1829
HJ_1831 Ma - Herschel, J.F.W. 1831MmRAS...4..331H
HJ_1831 +Mb MemRAS 4, part 2, 331, 1831
HJ_1833a Ma - Herschel, J.F.W. 1833MmRAS...5...13H
HJ_1833a +Mb MemRAS 5, 13, 1833
HJ_1833b orb - Herschel, J.F.W. 1833MmRAS...5..171H
HJ_1833b MemRAS 5, 171, 1833
HJ_1833c Mb - Herschel, J.F.W. 1833MmRAS...6....1H
HJ_1833c MemRAS 6, 1, 1833
HJ_1833d orb - Herschel, J.F.W. 1833MmRAS...6..149H
HJ_1833d MemRAS 6, 149, 1833
HJ_1835 Ma - Herschel, J.F.W. 1835MmRAS...8...37H
HJ_1835 +Mb MemRAS 8, 37, 1835
HJ_1836 Mb - Herschel, J.F.W. 1836MmRAS...9..193H
HJ_1836 MemRAS 9, 193, 1836
HJ_1847a Ma j Herschel, J.F.W. .
HJ_1847a +Mb Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b Ma j Herschel, J.F.W. .
HJ_1847b Cape Results, London, 1847
HJ_1850 orb - Herschel, J.F.W. 1850MmRAS..18...47H
HJ_1850 MemRAS 18, 47, 1850
HJ_1870 Mb - Herschel, J.F.W. 1870MmRAS..38....1H
HJ_1870 MemRAS 38, 1, 1870
HJ_1874A - Herschel, J.F.W. 1874MNRAS..35...28B
HJ_1874A cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A Ma - Herschel, J.F.W. 1875AN.....85..323D
HJ_1875A +Mb cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A Ma - Herschel, J.F.W. 1880Obs.....3..508G
HJ_1880A +Mb cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B Mb - Herschel, J.F.W. 1880MNRAS..40..497B
HJ_1880B cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A Ma j Herschel, J.F.W. 1897MNRAS..57..541S
HJ_1897A cited by See (MNRAS 57, 541, 1897)
HJ_1905A Ma - Herschel, J.F.W. 1905LicOB...3..147A
HJ_1905A +Mb cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A Ma - Herschel, J.F.W. 1906MmRAS..56....1L
HJ_1906A +Mb cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B Ma - Herschel, J.F.W. 1906QB821.B972.....
HJ_1906B +Mb cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A Mb - Herschel, J.F.W. 1927sdsc.book......
HJ_1927A cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A Mb - Herschel, J.F.W. 1932QB821.A43......
HJ_1932A cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999 M j Herschel, J.F.W. ...................
HJ_9999 +Ma Unpublished, manuscript or reference not found.
Rst1933 T - Rossiter, R.A. 1933MmRAS..65...27R
Rst1933 MemRAS 65, 27, 1933
Rst1937 Ma - Rossiter, R.A. 1937MmRAS..65...51R
Rst1937 MemRAS 65, 51, 1937
Rst1943 Ma - Rossiter, R.A. 1943POMic...8..133R
Rst1943 Pub. Univ. Michigan Obs. 8, 133, 1943
Rst1944 - Rossiter, R.A. 1944POMic...9....1R
Rst1944 Pub. Univ. Michigan Obs. 9, 1, 1944
Rst1947 Ma - Rossiter, R.A. 1947POMic...9....7R
Rst1947 Pub. Univ. Michigan Obs. 9, 7, 1947
Rst1955 Ma j Rossiter, R.A. 1955POMic..11....1R
Rst1955 +P+ Pub. Univ. Michigan Obs. 11, 1, 1955
Rst1964 Ma - Rossiter, R.A. 1964POMic...9...73R
Rst1964 Pub. Univ. Michigan Obs. 9, 73, 1964
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18582-8325 RST3188 AB 1991 7 281 0.4 6.78 7.55 B9/9.5V D 185810.03-832519.8

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

 
 
WDS 18582-8325 RST 3188 AB (HD 172226) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18582-8325 RST 3188 AB (HD 172226) : MEASURES
 
 
No records found.

 
 
WDS 18582-8325 (HD 172226) : VIRTUAL EYEPIECE
 
 

18582-8325 RST3188A mag 6.78 Sp B9/9.5V 18582-8325 RST3188B sep 0.1 P.A. 328.30 mag 7.55 18582-8325 HJ 5043C sep 44.9 P.A. 359.90 mag 14.5 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 18582-8325 (HD 172226) : ALADIN DSS IMAGE @ 18h 58m 10.03s -83° 25' 19.8"
 
 
 
 
WDS 18582-8325 RST 3188 AB (HD 172226) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18582-8325 RST3188AB distance=0' 19036-8337 GLI 247 distance=16' 18595-8253 RST3191 distance=33' 19176-8339 LDS 662 distance=37' 19170-8345 RST3208 distance=38' 19066-8243 TDT1227 distance=46' 18487-8240 TDT1065 distance=49' 19051-8417 TDT1216 distance=53' 18545-8224 KPP4128 distance=63' 18481-8428 RST3180 distance=65' 19158-8216 NSN 431 distance=77' 19077-8553 TDT1241 distance=149' 18491-8612 HDS2667 distance=167' 19071-8033 RSS 511 distance=174' 19131-8000 HJ 5071 distance=209' 18392-7930 KPP2188 distance=239' 19173-7923 TDT1355 distance=246' 18538-7911 RST3192 distance=255' 18532-8747 TDT1112 distance=262' 19041-7859 HJ 5063 distance=268' 19028-7840 LDS 657 distance=286' 19016-7838 RST3201 distance=288' 19131-7836 HJ 5073 distance=292' 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 18582-8325 RST3188 AB 281 0.4
Show 18582-8325 HJ 5043 AB,C 359 44.9
Show 19036-8337 GLI 247 114 10.0 16
Show 18595-8253 RST3191 293 2.9 33
Show 19176-8339 LDS 662 127 9.6 37
Show 19170-8345 RST3208 324 4.7 38
Show 19066-8243 TDT1227 73 0.5 46
Show 18487-8240 TDT1065 285 0.6 49
Show 19051-8417 TDT1216 199 0.6 53
Show 18545-8224 KPP4128 123 1.8 63
Show 18481-8428 RST3180 165 1.5 65
Show 19158-8216 NSN 431 77 3.9 77
Show 19077-8553 TDT1241 19 0.7 149
Show 18491-8612 HDS2667 318 2.6 167
Show 19071-8033 RSS 511 11 10.1 174
Show 19131-8000 HJ 5071 52 23.5 209
Show 18392-7930 KPP2188 87 18.0 239
Show 19173-7923 TDT1355 182 0.4 246
Show 18538-7911 RST3192 89 2.6 255
Show 18532-8747 TDT1112 232 1.0 262
Show 19041-7859 HJ 5063 116 8.1 268
Show 19028-7840 LDS 657 131 76.7 286
Show 19016-7838 RST3201 276 2.9 288
Show 19131-7836 HJ 5073 343 22.7 292

 
 
WDS 18582-8325 : COMPONENTS
 
 
  A B
B pa=328.3°
sep=0.09"
 
C pa=359.9°
sep=44.85"
pa=360.0°
sep=44.77"
 
 
18582-8325 A
 
 
Name HD 172226 Coord arcsec 2000 185810.03-832519.8 Mag 6.78 Spectral class B9/9.5V (blue-white)
PmRA 17.00 PmDE -18.0 SAO 258814 HIP 93117
Tycho2 9523-03026-1 HD 172226 GC 25771 CP CP-83 664
Tycho2
Tycho2 9523-03026-1 Pflag RAmdeg 284.54165321 DEmdeg -83.42219642
PmRA 17.3 PmDE -17.9 E RAmdeg 4 E DEmdeg 4
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.25 EpDEm 1991.41
Num 14 Q RAmdeg 1.5 Q DEmdeg 1.0 Q pmRA 1.4
Q pmDE 1.1 BTmag 6.355 E BTmag 0.014 VTmag 6.383
E VTmag 0.010 Prox 999 TYC T HIP 93117
CCDM AB RAdeg 284.54130083 DEdeg -83.42215500 EpRA 1990 1.59
EpDE 1990 1.70 E RAdeg 3.6 E DEdeg 3.5 Posflg P
Corr 0.1
SAO
SAO 258814 DelFlag RA1950 PmRA1950 0.0102
DE1950 PmDE1950 0.021 Vmag 6.6 SpType A0
Double code Source 70 CatNum 25771 DM CP-83 664
DMcomp BDsup HD 172226 M HD 0
GC 25771 RA1950rad 4.91371572 DE1950rad -1.45707604 PmRA2000 0.0057
PmDE2000 0.017
Hipparcos
Catalog H HIP 93117 Proxy H RAhms 18 58 10.03
DEdms -83 25 19.8 Vmag 6.35 VarFlag R Vmag G
RAdeg 284.542 DEdeg -83.4222 AstroRef A Plx 5.84
CCDM 18582-8325 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 283 Rho 0.43 HD 172226 BD
CD CP CP-83 664 Dm number -83 664 VIred -0.01
SpType B9/B9.5V R SpType Coord arcsec 2000 185810.03-832519.8
Hipparcos 2
HIP 93117 Sn 15 So 3 Nc 2
RArad 4.9661911317 DErad -1.4559914784 Plx 5.9 PmRA 16.27
PmDE -11.05 E RArad 0.5 E DErad 0.38 E Plx 0.52
E pmRA 0.58 E pmDE 0.52 Hpmag 6.3518 E Hpmag 0.0006
SHp 0.005 VA 0 BV -0.033 E BV 0.002
VI -0.01
CCDM
Ccdm 18582-8325 RComp Comp A Note1
Note2 Discov num DRAs -2.34 DDEs -19.2
R dRAs 10 Year Theta Rho
Obs 3 Vmag 7.4 Sp A0 PmNote *
PmRA 9 PmDE 0 Dm number -83 664 Cat1 CPD
Name2 258814 Cat2 SAO HD 172226 M HD
ADS BDS M ADS BDS N IDS IDS 18340S8332A
HIC 93117
 
 
18582-8325 B
 
 
Coord arcsec 2000 185810.00-832519.7 Mag 7.55 PmRA 17.00 PmDE -18.0
Calc delta mag 0.77 Calc coord yes
CCDM
Ccdm 18582-8325 RComp Comp B Note1
Note2 Discov num RST3188 DRAs DDEs
R dRAs Year 1934 Theta 320 Rho 0.2
Obs 1 Vmag 7.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18340S8332B
HIC 93117
 
 
18582-8325 C
 
 
Coord arcsec 2000 185810.00-832435.0 Mag 14.5 PmRA 0.00 PmDE -11.0
Calc delta mag 7.72 Calc coord yes
CCDM
Ccdm 18582-8325 RComp Comp C Note1
Note2 Discov num HJ 5043 DRAs DDEs
R dRAs Year 1918 Theta 005 Rho 45.4
Obs 1 Vmag 14.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18340S8332C
HIC