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Current system
18408-1320
HDS 2646
HD 172436


Nearby doubles
13' : 18402-1310
TDT 987

34' : 18387-1332
BRT2756

36' : 18396-1250
J 524

49' : 18441-1328
J 2225

50' : 18442-1328
J 2226

53' : 18444-1330
GWP2797

54' : 18444-1328
J 2227

57' : 18381-1400
BU 135AB

59' : 18385-1234
J 1595

67' : 18454-1326
J 2228

70' : 18367-1357
LEO 20AB

71' : 18409-1430
BU 967AB

74' : 18457-1340
HO 438

75' : 18359-1300
LDS6171

76' : 18387-1430
CRC 30AB

76' : 18387-1429
HDS2641AB

77' : 18358-1246
J 2135AB

79' : 18357-1246
J 2133AB

79' : 18424-1435
HU 249

79' : 18450-1409
JNN 323

82' : 18362-1407
SNA 92

84' : 18419-1445
J 2222

85' : 18420-1445
J 2223

85' : 18355-1356
SLE 204

87' : 18453-1416
RST4019

98' : 18413-1143
GWP2793



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

18408-1320 HDS 2646 (HD 172436)

 
 
18h 40m 47.29s -13° 20' 02.0" P.A. 166.00 sep 0.1 mag 9.05,10.39 Sp K0III dist. 182.15 pc (594.17 l.y.)
 
 
Coord 2000 18408-1320 Discov num HDS2646 Comp Coord arcsec 2000 18 40 47.29 -13 20 02.0
Date first 1991 Date last 1991 Obs 1
Pa first 166 Pa last 166 P.A. Now (θ) 166°
Sep first 0.1 Sep last 0.114 Sep. Now (ρ) 0.114"
Mag pri 9.05 Mag sec 10.39 delta mag (ΔM) 1.34 Spectral class K0III (yellow-orange)
Pri motion ra -025 Sec motion ra
Pri motion dec -013 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 172436 Constellation Scutum SAO 161715 HIP 91597
Tycho2 5704-00542-1 Gaia DR2 4105390020903146368 HD 172436 BD BD-13 5067
Distance 182.15 Distance ly 594.17
 
 
WDS 18408-1320 HDS 2646 (HD 172436) : 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
18408-1320 HDS2646 1991 1 166 0.1 9.05 10.39 K0III 184047.29-132002.0

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

 
 
WDS 18408-1320 HDS 2646 (HD 172436) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18408-1320 HDS 2646 (HD 172436) : MEASURES
 
 
No records found.

 
 
WDS 18408-1320 (HD 172436) : VIRTUAL EYEPIECE
 
 

18408-1320 HDS2646A mag 9.05 Sp K0III 18408-1320 HDS2646B sep 0.1 P.A. 166.40 mag 10.39 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18408-1320 (HD 172436) : ALADIN DSS IMAGE @ 18h 40m 47.29s -13° 20' 02.0"
 
 
 
 
WDS 18408-1320 HDS 2646 (HD 172436) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18408-1320 HDS2646 distance=1' 18402-1310 TDT 987 distance=13' 18387-1332 BRT2756 distance=34' 18396-1250 J 524 distance=36' 18441-1328 J 2225 distance=49' 18442-1328 J 2226 distance=50' 18444-1330 GWP2797 distance=53' 18444-1328 J 2227 distance=54' 18381-1400 BU 135AB distance=57' 18381-1400 BU 135AC distance=57' 18381-1400 SLE 218AD distance=57' 18381-1400 SLE 218AE distance=57' 18381-1400 B 2911AF distance=57' 18381-1400 B 2911AG distance=57' 18385-1234 J 1595 distance=59' 18454-1326 J 2228 distance=67' 18367-1357 LEO 20AB distance=70' 18367-1357 LEO 20AC distance=70' 18409-1430 BU 967AB distance=71' 18409-1430 BU 967AC distance=71' 18409-1430 DAM 13AD distance=71' 18457-1340 HO 438 distance=74' 18359-1300 LDS6171 distance=75' 18387-1430 CRC 30AB distance=76' 18387-1430 CRC 30AC distance=76' 18387-1430 CRC 30AD distance=76' 18387-1429 HDS2641AB distance=76' 18358-1246 J 2135AB distance=77' 18358-1246 J 2135BC distance=77' 18357-1246 J 2133AB distance=79' 18357-1246 J 2133AD distance=79' 18357-1246 J 2133BC distance=79' 18424-1435 HU 249 distance=79' 18450-1409 JNN 323 distance=79' 18362-1407 SNA 92 distance=82' 18419-1445 J 2222 distance=84' 18420-1445 J 2223 distance=85' 18355-1356 SLE 204 distance=85' 18453-1416 RST4019 distance=87' 18413-1143 GWP2793 distance=98' 18443-1443 LEO 21AB distance=98' 18443-1443 LEO 21AC distance=98' 18443-1443 J 2144AD distance=98' 18365-1159 BAR 10 distance=103' 18339-1339 SLE 192 distance=103' 18467-1226 J 2146 distance=105' 18469-1222 BRT2757 distance=108' 18468-1428 RST4596 distance=111' 18341-1421 RST4017 distance=116' 18328-1304 J 1745 distance=118' 18349-1442 STF2337AB 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 18408-1320 HDS2646 166 0.1 1
Show 18402-1310 TDT 987 153 2.5 13
Show 18387-1332 BRT2756 336 4.5 34
Show 18396-1250 J 524 312 3.6 36
Show 18441-1328 J 2225 62 6.1 49
Show 18442-1328 J 2226 325 4.7 50
Show 18444-1330 GWP2797 169 67.8 53
Show 18444-1328 J 2227 225 5.3 54
Show 18381-1400 BU 135 AB 189 2.5 57
Show 18381-1400 BU 135 AC 78 15.0 57
Show 18381-1400 SLE 218 AD 338 120.7 57
Show 18381-1400 SLE 218 AE 108 118.7 57
Show 18381-1400 B 2911 AF 56 36.3 57
Show 18381-1400 B 2911 AG 74 39.8 57
Show 18385-1234 J 1595 64 11.3 59
Show 18454-1326 J 2228 223 9.7 67
Show 18367-1357 LEO 20 AB 255 4.1 70
Show 18367-1357 LEO 20 AC 120 24.4 70
Show 18409-1430 BU 967 AB 195 2.4 71
Show 18409-1430 BU 967 AC 53 39.0 71
Show 18409-1430 DAM 13 AD 66 55.5 71
Show 18457-1340 HO 438 71 2.7 74
Show 18359-1300 LDS6171 270 5.0 75
Show 18387-1430 CRC 30 AB 261 4.8 76
Show 18387-1430 CRC 30 AC 300 9.6 76
Show 18387-1430 CRC 30 AD 61 7.3 76
Show 18387-1429 HDS2641 AB 358 0.1 76
Show 18358-1246 J 2135 AB 19 4.9 77
Show 18358-1246 J 2135 BC 21 4.9 77
Show 18357-1246 J 2133 AB 15 7.4 79
Show 18357-1246 J 2133 AD 77 13.0 79
Show 18357-1246 J 2133 BC 321 5.6 79
Show 18424-1435 HU 249 225 3.2 79
Show 18450-1409 JNN 323 124 3.2 79
Show 18362-1407 SNA 92 72 0.0 82
Show 18419-1445 J 2222 162 4.8 84
Show 18420-1445 J 2223 29 4.7 85
Show 18355-1356 SLE 204 234 25.0 85
Show 18453-1416 RST4019 81 0.5 87
Show 18413-1143 GWP2793 320 9.1 98
Show 18443-1443 LEO 21 AB 15 4.2 98
Show 18443-1443 LEO 21 AC 281 34.1 98
Show 18443-1443 J 2144 AD 23 17.5 98
Show 18365-1159 BAR 10 134 0.4 103
Show 18339-1339 SLE 192 194 8.5 103
Show 18467-1226 J 2146 151 8.7 105
Show 18469-1222 BRT2757 131 3.7 108
Show 18468-1428 RST4596 153 5.8 111
Show 18341-1421 RST4017 211 0.2 116
Show 18328-1304 J 1745 53 8.8 118
Show 18349-1442 STF2337 AB 296 16.6 119

 
 
WDS 18408-1320 : COMPONENTS
 
 
  A
B pa=166.4°
sep=0.11"
 
 
18408-1320 A
 
 
Componente originario normalizzato AB Name HD 172436 Coord arcsec 2000 184047.29-132002.0 Mag 9.05
Spectral class K0III (yellow-orange) PmRA -25.00 PmDE -13.0 SAO 161715
HIP 91597 Tycho2 5704-00542-1 HD 172436 BD BD-13 5067
Tycho2
Tycho2 5704-00542-1 Pflag RAmdeg 280.19698973 DEmdeg -13.33392478
PmRA -24.8 PmDE -14.6 E RAmdeg 11 E DEmdeg 13
E pmRA 1.2 E pmDE 1.3 EpRAm 1988.49 EpDEm 1987.26
Num 12 Q RAmdeg 1.3 Q DEmdeg 1.4 Q pmRA 1.2
Q pmDE 1.4 BTmag 10.646 E BTmag 0.045 VTmag 8.809
E VTmag 0.017 Prox 999 TYC T HIP 91597
CCDM AB RAdeg 280.19704694 DEdeg -13.33389111 EpRA 1990 1.68
EpDE 1990 1.63 E RAdeg 11.9 E DEdeg 14.5 Posflg P
Corr 0.0
SAO
SAO 161715 DelFlag RA1950 PmRA1950 -0.0013
DE1950 PmDE1950 -0.007 Vmag 8.6 SpType K2
Double code Source 20 CatNum 6402 DM BD-13 5067
DMcomp BDsup HD 172436 M HD 0
GC RA1950rad 4.8780467 DE1950rad -0.23354614 PmRA2000 -0.0011
PmDE2000 -0.006
Hipparcos
Catalog H HIP 91597 Proxy H RAhms 18 40 47.29
DEdms -13 20 02.0 Vmag 8.64 VarFlag R Vmag G
RAdeg 280.197 DEdeg -13.3339 AstroRef * Plx 3.73
CCDM 18408-1320 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual C M HIP AB
Theta 166 Rho 0.114 HD 172436 BD BD-13 5067
CD CP Dm number -13 5067 VIred 1.12
SpType K0III R SpType Coord arcsec 2000 184047.29-132002.0
Hipparcos 2
HIP 91597 Sn 55 So 3 Nc 2
RArad 4.8903610536 DErad -0.2327202729 Plx 5.49 PmRA -23.52
PmDE -13.07 E RArad 0.93 E DErad 0.62 E Plx 1
E pmRA 1.13 E pmDE 0.9 Hpmag 8.7685 E Hpmag 0.0027
SHp 0.019 VA 0 BV 1.16 E BV 0.04
VI 1.12
CCDM
Ccdm 18408-1320 RComp Comp A Note1
Note2 Discov num DRAs -0.73 DDEs -2.1
R dRAs 82 Year Theta Rho
Obs 2 Vmag 9.0 Sp K0 PmNote *
PmRA -25 PmDE -13 Dm number -13 5067 Cat1 BD
Name2 161715 Cat2 SAO HD 172436 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 91597
 
 
18408-1320 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184047.29-132002.1 Mag 10.39 Calc delta mag 1.34
Calc coord yes
CCDM
Ccdm 18408-1320 RComp Comp B Note1
Note2 Discov num HDS DRAs -0.73 DDEs -2.2
R dRAs 82 Year 1991 Theta 166 Rho 0.1
Obs 1 Vmag 10.4 Sp PmNote *
PmRA -25 PmDE -13 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 91597