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Doubles in session


Current system
18408+2142
HU 324
HD 342835


Nearby doubles
32' : 18412+2111
TDT 994

35' : 18425+2116
BRT2448

37' : 18426+2209
COU 208

43' : 18420+2221
TDT1008

49' : 18406+2230
TDT 989

49' : 18389+2222
COU 207

51' : 18393+2056
STF2360

61' : 18368+2120
HU 323

64' : 18363+2143
COU 206

64' : 18366+2206
HJ 2834

65' : 18443+2224
HU 1657

68' : 18442+2231
COU 209AB

70' : 18443+2052
HU 325

78' : 18449+2234
HDS2655

78' : 18353+2145
COU 205

84' : 18355+2104
STF2345

84' : 18399+2019
L 64

86' : 18428+2302
POU3495

88' : 18389+2019
L 63

93' : 18388+2309
POU3451

93' : 18473+2125
GRV 239

94' : 18472+2213
JNN 119

95' : 18444+2015
ALD 4AB

97' : 18457+2033
HJ 2839AB

97' : 18412+2318
POU3479

97' : 18438+2309
POU3509



Selections
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Binary Systems
Triple Systems
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18408+2142 HU 324 (HD 342835)

 
 
18h 40m 50.85s +21° 41' 37.9" P.A. 113.00 sep 0.9 mag 9.44,9.98 Sp F5
 
 
Coord 2000 18408+2142 Discov num HU  324 Comp Coord arcsec 2000 18 40 50.85 +21 41 37.9
Date first 1901 Date last 2016 Obs 19
Pa first 113 Pa last 112.5 P.A. Now (θ) 112.5°
Sep first 0.6 Sep last 0.875 Sep. Now (ρ) 0.875"
Mag pri 9.44 Mag sec 9.98 delta mag (ΔM) 0.54 Spectral class F5 (yellow-white)
Pri motion ra -017 Sec motion ra -017
Pri motion dec -034 Sec motion dec -034
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 342835 Constellation Hercules SAO 86313 Tycho2 1595-01056-1
Gaia DR2 4531911231448332416 HD 342835
 
 
WDS 18408+2142 HU 324 (HD 342835) : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
HU Hussey, W.F.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
18408+2142 HU 324 2005 10 113 0.8 9.44 9.98 F5 +21 3518 184050.85+214137.9
18408+2142 HU 324 2008 11 110 0.9 9.44 9.98 F5 +21 3518 184050.85+214137.9
18408+2142 HU 324 2014 13 117 0.9 9.44 9.98 F5 +21 3518 184050.85+214137.9
18408+2142 HU 324 2015 14 109 0.9 9.44 9.98 F5 +21 3518 184050.85+214137.9
18408+2142 HU 324 2016 16 113 0.9 9.44 9.98 F5 +21 3518 184050.85+214137.9

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

 
 
WDS 18408+2142 HU 324 (HD 342835) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18408+2142 HU 324 (HD 342835) : MEASURES
 
 
No records found.

 
 
WDS 18408+2142 (HD 342835) : VIRTUAL EYEPIECE
 
 

18408+2142 HU 324A mag 9.44 Sp F5 18408+2142 HU 324B sep 0.9 P.A. 112.50 mag 9.98 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18408+2142 (HD 342835) : ALADIN DSS IMAGE @ 18h 40m 50.85s +21° 41' 37.9"
 
 
 
 
WDS 18408+2142 HU 324 (HD 342835) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18408+2142 HU 324 distance=0' 18412+2111 TDT 994 distance=32' 18425+2116 BRT2448 distance=35' 18426+2209 COU 208 distance=37' 18420+2221 TDT1008 distance=43' 18406+2230 TDT 989 distance=49' 18389+2222 COU 207 distance=49' 18393+2056 STF2360 distance=51' 18368+2120 HU 323 distance=61' 18363+2143 COU 206 distance=64' 18366+2206 HJ 2834 distance=64' 18443+2224 HU 1657 distance=65' 18442+2231 COU 209AB distance=68' 18442+2231 COU 209AC distance=68' 18443+2052 HU 325 distance=70' 18449+2234 HDS2655 distance=78' 18353+2145 COU 205 distance=78' 18355+2104 STF2345 distance=84' 18399+2019 L 64 distance=84' 18428+2302 POU3495 distance=86' 18389+2019 L 63 distance=88' 18388+2309 POU3451 distance=93' 18473+2125 GRV 239 distance=93' 18472+2213 JNN 119 distance=94' 18444+2015 ALD 4AB distance=95' 18444+2015 DAM 640AC distance=95' 18444+2015 ALD 4Aa,Ab distance=95' 18444+2015 ALD 4AD distance=95' 18457+2033 HJ 2839AB distance=97' 18457+2033 HJ 2839AC distance=97' 18457+2033 HJ 2839AD distance=97' 18457+2033 HJ 2839AE distance=97' 18412+2318 POU3479 distance=97' 18438+2309 POU3509 distance=97' 18354+2243 SLE 212 distance=98' 18378+2310 POU3443 distance=99' 18438+2312 POU3510 distance=100' 18369+2019 L 62 distance=101' 18343+2101 TDT 939 distance=101' 18445+2310 POU3517 distance=102' 18400+2324 POU3460 distance=104' 18469+2243 TDT1052 distance=105' 18443+2315 POU3515 distance=105' 18402+2328 POU3464 distance=106' 18433+2322 POU3500 distance=106' 18389+2324 TDT 972 distance=107' 18359+2018 L 60 distance=108' 18441+2320 POU3512 distance=109' 18451+2313 POU3527 distance=109' 18416+2331 POU3486 distance=110' 18426+2329 POU3493 distance=110' 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+2142 HU 324 113 0.9 0
Show 18412+2111 TDT 994 27 0.7 32
Show 18425+2116 BRT2448 294 3.8 35
Show 18426+2209 COU 208 306 0.3 37
Show 18420+2221 TDT1008 41 2.4 43
Show 18406+2230 TDT 989 233 2.4 49
Show 18389+2222 COU 207 298 1.6 49
Show 18393+2056 STF2360 359 2.4 51
Show 18368+2120 HU 323 144 0.2 61
Show 18363+2143 COU 206 149 0.1 64
Show 18366+2206 HJ 2834 246 19.7 64
Show 18443+2224 HU 1657 244 0.3 65
Show 18442+2231 COU 209 AB 38 2.1 68
Show 18442+2231 COU 209 AC 204 39.8 68
Show 18443+2052 HU 325 8 0.3 70
Show 18449+2234 HDS2655 196 0.3 78
Show 18353+2145 COU 205 148 0.1 78
Show 18355+2104 STF2345 225 12.3 84
Show 18399+2019 L 64 74 4.1 84
Show 18428+2302 POU3495 40 5.4 86
Show 18389+2019 L 63 63 2.7 88
Show 18388+2309 POU3451 310 7.4 93
Show 18473+2125 GRV 239 244 7.6 93
Show 18472+2213 JNN 119 270 0.4 94
Show 18444+2015 ALD 4 AB 342 4.2 95
Show 18444+2015 DAM 640 AC 168 11.0 95
Show 18444+2015 ALD 4 Aa,Ab 225 0.7 95
Show 18444+2015 ALD 4 AD 332 3.9 95
Show 18457+2033 HJ 2839 AB 57 74.8 97
Show 18457+2033 HJ 2839 AC 59 73.0 97
Show 18457+2033 HJ 2839 AD 336 25.4 97
Show 18457+2033 HJ 2839 AE 13 61.1 97
Show 18412+2318 POU3479 178 7.2 97
Show 18438+2309 POU3509 37 7.1 97
Show 18354+2243 SLE 212 255 14.3 98
Show 18378+2310 POU3443 43 2.8 99
Show 18438+2312 POU3510 248 13.1 100
Show 18369+2019 L 62 314 6.2 101
Show 18343+2101 TDT 939 180 0.4 101
Show 18445+2310 POU3517 310 6.2 102
Show 18400+2324 POU3460 120 11.5 104
Show 18469+2243 TDT1052 77 0.5 105
Show 18443+2315 POU3515 239 12.1 105
Show 18402+2328 POU3464 332 9.6 106
Show 18433+2322 POU3500 248 12.1 106
Show 18389+2324 TDT 972 47 0.8 107
Show 18359+2018 L 60 188 2.5 108
Show 18441+2320 POU3512 54 11.6 109
Show 18451+2313 POU3527 266 9.4 109
Show 18416+2331 POU3486 349 21.1 110
Show 18426+2329 POU3493 177 6.2 110

 
 
WDS 18408+2142 : COMPONENTS
 
 
  A
B pa=112.5°
sep=0.88"
 
 
18408+2142 A
 
 
Name HD 342835 Coord arcsec 2000 184050.85+214137.9 Mag 9.44 Spectral class F5 (yellow-white)
PmRA -17.00 PmDE -34.0 SAO 86313 Tycho2 1595-01056-1
HD 342835 DM BD+21 3518
Tycho2
Tycho2 1595-01056-1 Pflag RAmdeg 280.21191067 DEmdeg 21.69382940
PmRA -17.4 PmDE -34.3 E RAmdeg 11 E DEmdeg 11
E pmRA 0.8 E pmDE 0.8 EpRAm 1989.17 EpDEm 1988.97
Num 11 Q RAmdeg 1.4 Q DEmdeg 1.6 Q pmRA 1.5
Q pmDE 1.6 BTmag 9.703 E BTmag 0.022 VTmag 9.091
E VTmag 0.017 Prox 923 TYC T HIP
CCDM RAdeg 280.21195194 DEdeg 21.69391028 EpRA 1990 1.64
EpDE 1990 1.72 E RAdeg 10.8 E DEdeg 10.9 Posflg P
Corr 0.0
SAO
SAO 86313 DelFlag RA1950 PmRA1950 -0.0012
DE1950 PmDE1950 -0.031 Vmag 8.6 SpType F5
Double code Source 35 CatNum 6601 DM BD+21 3518
DMcomp BDsup HD 342835 M HD 0
GC RA1950rad 4.8813442 DE1950rad 0.37779824 PmRA2000 -0.0011
PmDE2000 -0.031
CCDM
Ccdm 18408+2142 RComp Comp A Note1
Note2 Discov num DRAs 2.77 DDEs -22.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.2 Sp F5 PmNote *
PmRA -25 PmDE -32 Dm number +21 3518 Cat1 BD
Name2 +21 1879 Cat2 AGK2/3 HD M HD
ADS BDS A11571 M ADS BDS N IDS IDS 18366N2136A
HIC
 
 
18408+2142 B
 
 
Coord arcsec 2000 184050.91+214137.6 Mag 9.98 PmRA -17.00 PmDE -34.0
Delta magnitude 0.54 Coordinate calculated yes
CCDM
Ccdm 18408+2142 RComp Comp B Note1
Note2 Discov num HU 324 DRAs DDEs
R dRAs Year 1901 Theta 113 Rho 0.6
Obs 2 Vmag 11.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11571 M ADS BDS N IDS IDS 18366N2136B
HIC