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Current system
18311-3259
HWE 43 AC


Nearby doubles
16' : 18314-3315
COO 226

37' : 18338-3248
I 1025

37' : 18340-3301
OUD 7

40' : 18339-3318
BRT1782

47' : 18338-3230
PRO 204

55' : 18285-3215
TDT 898

57' : 18276-3224
HDS2611

59' : 18266-3247
RST2054

59' : 18346-3338
SKF 457

66' : 18362-3311
I 637

68' : 18277-3207
I 1023

71' : 18350-3209
TDT 947

74' : 18342-3158
PRO 205

74' : 18370-3301
JSP 783

78' : 18363-3220
HDS2640

80' : 18294-3416
B 1365

80' : 18272-3402
B 1363

81' : 18365-3342
B 940

81' : 18343-3150
RST2064

83' : 18358-3357
B 2455

86' : 18335-3140
PRO 203

94' : 18383-3241
FIN 3AB

94' : 18368-3201
TDT 957

95' : 18293-3431
B 1364

95' : 18352-3141
B 9034

97' : 18352-3139
PRO 207



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

18311-3259 HWE 43 AC

 
 
18h 31m 04.85s -32° 59' 20.4" P.A. 339.00 sep 32.1 mag 5.41,13.00 Sp A3m dist. 88.89 pc (289.96 l.y.)
 
 
Coord 2000 18311-3259 Discov num HWE  43 Comp AC Coord arcsec 2000 18 31 04.85 -32 59 20.4
Date first 1897 Date last 1999 Obs 5
Pa first 337 Pa last 339.4 P.A. Now (θ) 339.4°
Sep first 29.3 Sep last 32.07 Sep. Now (ρ) 32.07"
Mag pri 5.41 Mag sec 13.00 delta mag (ΔM) 7.59 Spectral class A3m (white)
Pri motion ra -002 Sec motion ra -022
Pri motion dec -047 Sec motion dec -003
Notes
rPM=1.027
This double is not physical.
 
 
18311-3259 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 170479 210257 18 31 05 -32 59 20 HWE 43 AB 2016 18 185 3.4 5.41 9.78 4.37
Show 210257 18 31 05 -32 59 20 HWE 43 AC 1999 5 339 32.1 5.41 13.00 7.59 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius SAO 210257 HIP 90763 Tycho2 7398-01220-1
Gaia DR2 4044965912701284224 HD 170479 HR 6936 CD CD-3313281
CP CP-33 5124 Distance 88.89 Distance ly 289.96
 
 
WDS 18311-3259 HWE 43 AC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Hwe1876 Ma - Howe, H.A. 1876PCinO...1....1.
Hwe1876 Pub. Cincinnati Obs. #1, 1876
Hwe1877 Ma - Howe, H.A. 1877PCinO...3....1.
Hwe1877 Pub. Cincinnati Obs. #3, 1877
Hwe1878 Ma j Howe, H.A. 1878PCinO...4....1.
Hwe1878 Pub. Cincinnati Obs. #4, 1878
Hwe1879 Ma j Howe, H.A. 1879PCinO...5....1.
Hwe1879 Pub. Cincinnati Obs. #5, 1879
Hwe1882 Ma - Howe, H.A. 1882PCinO...6....1.
Hwe1882 Pub. Cincinnati Obs. #6, 1882
Hwe1906A Ma - Howe, H.A. 1906MmRAS..56....1L
Hwe1906A cited by Lewis (MemRAS 56, 1, 1906)
Hwe1932A - Howe, H.A. 1932QB821.A43......
Hwe1932A cited in ADS (Aitken Double Star Cat.), 1932
Hwe9999 Ma - Howe, H.A. ...................
Hwe9999 Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18311-3259 HWE 43 AC 1938 3 340 31.0 5.41 13.00 A3m 183104.85-325920.4
18311-3259 HWE 43 AC 1999 4 339 32.1 5.41 13.00 A3m 183104.85-325920.4

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

 
 
WDS 18311-3259 HWE 43 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18311-3259 HWE 43 AC : MEASURES
 
 
No records found.

 
 
WDS 18311-3259 : VIRTUAL EYEPIECE
 
 

18311-3259 HWE 43A mag 5.41 Sp A3m 18311-3259 HWE 43B sep 3.4 P.A. 184.30 mag 9.78 18311-3259 HWE 43C sep 31.5 P.A. 342.50 mag 13 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18311-3259 : ALADIN DSS IMAGE @ 18h 31m 04.85s -32° 59' 20.4"
 
 
 
 
WDS 18311-3259 HWE 43 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18311-3259 HWE 43AB distance=1' 18311-3259 HWE 43AC distance=1' 18314-3315 COO 226 distance=16' 18338-3248 I 1025 distance=37' 18340-3301 OUD 7 distance=37' 18339-3318 BRT1782 distance=40' 18338-3230 PRO 204 distance=47' 18285-3215 TDT 898 distance=55' 18276-3224 HDS2611 distance=57' 18266-3247 RST2054 distance=59' 18346-3338 SKF 457 distance=59' 18362-3311 I 637 distance=66' 18277-3207 I 1023 distance=68' 18350-3209 TDT 947 distance=71' 18342-3158 PRO 205 distance=74' 18370-3301 JSP 783 distance=74' 18363-3220 HDS2640 distance=78' 18294-3416 B 1365 distance=80' 18272-3402 B 1363 distance=80' 18365-3342 B 940 distance=81' 18343-3150 RST2064 distance=81' 18358-3357 B 2455 distance=83' 18335-3140 PRO 203 distance=86' 18383-3241 FIN 3AB distance=94' 18383-3241 SKF2068AC distance=94' 18368-3201 TDT 957 distance=94' 18293-3431 B 1364 distance=95' 18352-3141 B 9034 distance=95' 18352-3139 PRO 207 distance=97' 18276-3132 B 2448 distance=98' 18244-3349 BRT1775 distance=99' 18291-3123 RST2057 distance=100' 18332-3436 JSP 776 distance=101' 18332-3121 FIN 7 distance=102' 18337-3444 JSP 778 distance=109' 18354-3122 LDS6328AB distance=111' 18354-3122 CVN 58AC distance=111' 18354-3122 CVN 58AD distance=111' 18354-3122 CVN 58AE distance=111' 18354-3122 CVN 58AF distance=111' 18354-3122 CVN 58AG distance=111' 18354-3122 CVN 58AH distance=111' 18354-3122 CVN 58AI distance=111' 18354-3122 CVN 58AJ distance=111' 18354-3122 CVN 58AK distance=111' 18354-3122 CVN 58AL distance=111' 18354-3122 CVN 58AM distance=111' 18354-3122 CVN 58AN distance=111' 18354-3122 CVN 58AO distance=111' 18354-3122 CVN 58AP distance=111' 18354-3122 CVN 58AQ distance=111' 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 18311-3259 HWE 43 AB 185 3.4 1
Show 18311-3259 HWE 43 AC 339 32.1 1
Show 18314-3315 COO 226 193 12.6 16
Show 18338-3248 I 1025 233 0.4 37
Show 18340-3301 OUD 7 180 0.2 37
Show 18339-3318 BRT1782 69 3.4 40
Show 18338-3230 PRO 204 120 6.5 47
Show 18285-3215 TDT 898 117 0.5 55
Show 18276-3224 HDS2611 247 18.5 57
Show 18266-3247 RST2054 350 0.8 59
Show 18346-3338 SKF 457 359 13.6 59
Show 18362-3311 I 637 115 0.3 66
Show 18277-3207 I 1023 314 0.1 68
Show 18350-3209 TDT 947 290 2.6 71
Show 18342-3158 PRO 205 358 3.6 74
Show 18370-3301 JSP 783 17 1.0 74
Show 18363-3220 HDS2640 343 0.2 78
Show 18294-3416 B 1365 242 4.1 80
Show 18272-3402 B 1363 223 2.4 80
Show 18365-3342 B 940 258 1.8 81
Show 18343-3150 RST2064 83 3.5 81
Show 18358-3357 B 2455 338 6.5 83
Show 18335-3140 PRO 203 356 5.0 86
Show 18383-3241 FIN 3 AB 261 4.6 94
Show 18383-3241 SKF2068 AC 218 122.5 94
Show 18368-3201 TDT 957 223 0.6 94
Show 18293-3431 B 1364 34 3.6 95
Show 18352-3141 B 9034 346 9.0 95
Show 18352-3139 PRO 207 72 3.3 97
Show 18276-3132 B 2448 329 6.0 98
Show 18244-3349 BRT1775 147 3.2 99
Show 18291-3123 RST2057 343 0.7 100
Show 18332-3436 JSP 776 31 0.3 101
Show 18332-3121 FIN 7 136 3.4 102
Show 18337-3444 JSP 778 162 1.5 109
Show 18354-3122 LDS6328 AB 119 7.5 111
Show 18354-3122 CVN 58 AC 310 6.0 111
Show 18354-3122 CVN 58 AD 211 7.3 111
Show 18354-3122 CVN 58 AE 202 7.6 111
Show 18354-3122 CVN 58 AF 307 7.9 111
Show 18354-3122 CVN 58 AG 70 8.1 111
Show 18354-3122 CVN 58 AH 212 8.5 111
Show 18354-3122 CVN 58 AI 81 8.9 111
Show 18354-3122 CVN 58 AJ 163 9.3 111
Show 18354-3122 CVN 58 AK 150 9.6 111
Show 18354-3122 CVN 58 AL 348 9.6 111
Show 18354-3122 CVN 58 AM 49 9.7 111
Show 18354-3122 CVN 58 AN 339 10.3 111
Show 18354-3122 CVN 58 AO 175 10.2 111
Show 18354-3122 CVN 58 AP 194 11.2 111
Show 18354-3122 CVN 58 AQ 330 11.3 111

 
 
WDS 18311-3259 : COMPONENTS
 
 
  A B
B pa=184.3°
sep=3.40"
 
C pa=342.5°
sep=31.48"
pa=344.6°
sep=34.65"
 
 
18311-3259 A
 
 
Name HD 170479 Coord arcsec 2000 183104.85-325920.4 Mag 5.41 Spectral class A3m (white)
PmRA -2.00 PmDE -41.0 SAO 210257 HIP 90763
Tycho2 7398-01220-1 HD 170479 HR 6936 GC 25263
CD CD-3313281 CP CP-33 5124
Tycho2
Tycho2 7398-01220-1 Pflag RAmdeg 277.77018386 DEmdeg -32.98910218
PmRA -1.9 PmDE -41.1 E RAmdeg 3 E DEmdeg 4
E pmRA 0.7 E pmDE 0.7 EpRAm 1991.52 EpDEm 1991.27
Num 21 Q RAmdeg 1.3 Q DEmdeg 1.2 Q pmRA 1.4
Q pmDE 1.4 BTmag 5.611 E BTmag 0.014 VTmag 5.410
E VTmag 0.009 Prox 35 TYC T HIP 90763
CCDM A RAdeg 277.77018861 DEdeg -32.98900833 EpRA 1990 1.86
EpDE 1990 1.81 E RAdeg 3.3 E DEdeg 3.9 Posflg
Corr -0.2
SAO
SAO 210257 DelFlag RA1950 PmRA1950 0
DE1950 PmDE1950 -0.045 Vmag 5.4 SpType A3
Double code Source 70 CatNum 25263 DM CD-3313281
DMcomp BDsup HD 170479 M HD 0
GC 25263 RA1950rad 4.83369067 DE1950rad -0.57638121 PmRA2000 -0.0001
PmDE2000 -0.045
Hipparcos
Catalog H HIP 90763 Proxy H RAhms 18 31 04.85
DEdms -32 59 20.4 Vmag 5.37 VarFlag R Vmag G
RAdeg 277.77 DEdeg -32.989 AstroRef A Plx 9.32
CCDM 18311-3259 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual C M HIP AB
Theta 185 Rho 3.49 HD 170479 BD
CD CD-3313281 CP CP-33 5124 Dm number -3313281 VIred 0.2
SpType A5V R SpType Coord arcsec 2000 183104.85-325920.4
Hipparcos 2
HIP 90763 Sn 15 So 3 Nc 2
RArad 4.8480043444 DErad -0.5757666963 Plx 11.25 PmRA -0.96
PmDE -45.28 E RArad 0.63 E DErad 0.44 E Plx 0.8
E pmRA 0.77 E pmDE 0.5 Hpmag 5.4324 E Hpmag 0.0006
SHp 0.004 VA 0 BV 0.182 E BV 0.008
VI 0.2
CCDM
Ccdm 18311-3259 RComp Comp A Note1
Note2 Discov num DRAs -1.08 DDEs -20.0
R dRAs 41 Year Theta Rho
Obs 3 Vmag 5.5 Sp A3 PmNote *
PmRA 6 PmDE -43 Dm number -3313281 Cat1 CD
Name2 210257 Cat2 SAO HD 170479 M HD
ADS BDS B 8590 M ADS BDS N IDS IDS 18245S3303A
HIC 90763
 
 
18311-3259 B
 
 
Coord arcsec 2000 183104.83-325923.8 Mag 9.78 PmRA -2.00 PmDE -47.0
Calc delta mag 4.37 Calc coord yes
CCDM
Ccdm 18311-3259 RComp Comp B Note1
Note2 Discov num HWE 43 DRAs DDEs
R dRAs Year 1942 Theta 193 Rho 3.2
Obs 11 Vmag 10.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 8590 M ADS BDS N IDS IDS 18245S3303B
HIC 90763
 
 
18311-3259 C
 
 
Coord arcsec 2000 183104.10-325850.4 Mag 13 PmRA -22.00 PmDE -3.0
Calc delta mag 7.59 Calc coord yes
CCDM
Ccdm 18311-3259 RComp Comp C Note1
Note2 Discov num HWE 43 DRAs -2.05 DDEs 10.0
R dRAs 41 Year 1897 Theta 338 Rho 29.0
Obs 2 Vmag 13.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 8590 M ADS BDS N IDS IDS 18245S3303C
HIC