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Doubles in session


Current system
18418+0052
HJ 865


Nearby doubles
15' : 18424+0040
HDZ 2

18' : 18409+0102
CON 36AB

37' : 18425-0016
CVR 213

43' : 18394+0111
BAL1503

44' : 18447-0100
HJ 5501

47' : 18437-0014
A 858AB

49' : 18439-0013
A 859

55' : 18394-0009
KPP 903

61' : 18387-0012
IPH 26

65' : 18379-0023
STF2347

71' : 18465-0058
STF2379AB

74' : 18462+0019
TDT1044

77' : 18456+0142
A 2262

88' : 18424+0218
BAL1969

92' : 18361+0017
IPH 25

95' : 18473+0136
TDT1055

105' : 18349-0043
RST5119

111' : 18351+0003
RST5120

112' : 18439+0237
STF2369

112' : 18386+0236
HJ 5500AB

114' : 18490+0018
A 2263

120' : 18481+0203
J 2530

123' : 18395-0107
GWP2791

126' : 18374+0238
BU 1327

129' : 18333-0035
SKF2841

131' : 18380+0248
LDS5240



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.

18418+0052 HJ 865

 
 
18h 41m 47.40s +00° 50' 57.0" P.A. 114.00 sep 20.4 mag 10.83,12.73 Sp A5
 
 
Coord 2000 18418+0052 Discov num HJ  865 Comp Coord arcsec 2000 18 41 47.40 +00 50 57.0
Date first 1827 Date last 2016 Obs 13
Pa first 125 Pa last 113.5 P.A. Now (θ) 113.5°
Sep first 12.0 Sep last 20.432 Sep. Now (ρ) 20.432"
Mag pri 10.83 Mag sec 12.73 delta mag (ΔM) 1.9 Spectral class A5 (white)
Pri motion ra +007 Sec motion ra +013
Pri motion dec -006 Sec motion dec +001
Notes
rPM=0.707
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquila Tycho2 0447-00454-1 Gaia DR2 4278721225729776640
 
 
WDS 18418+0052 HJ 865 : 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.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18418+0052 HJ 865 2001 4 114 20.4 10.83 11.80 D 184147.40+005057.0
18418+0052 HJ 865 2015 7 114 20.4 10.83 12.73 A5 184147.40+005057.0
18418+0052 HJ 865 2016 13 114 20.4 10.83 12.73 A5 184147.40+005057.0

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

 
 
WDS 18418+0052 HJ 865 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18418+0052 HJ 865 : MEASURES
 
 
No records found.

 
 
WDS 18418+0052 : VIRTUAL EYEPIECE
 
 

18418+0052 HJ 865A mag 10.83 Sp A5 18418+0052 HJ 865B sep 20.4 P.A. 113.50 mag 12.73 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 18418+0052 : ALADIN DSS IMAGE @ 18h 41m 47.40s +00° 50' 57.0"
 
 
 
 
WDS 18418+0052 HJ 865 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18418+0052 HJ 865 distance=1' 18424+0040 HDZ 2 distance=15' 18409+0102 CON 36AB distance=18' 18409+0102 CON 36CD distance=18' 18425-0016 CVR 213 distance=37' 18394+0111 BAL1503 distance=43' 18447-0100 HJ 5501 distance=44' 18437-0014 A 858AB distance=47' 18437-0014 AOT 74AB,C distance=47' 18439-0013 A 859 distance=49' 18394-0009 KPP 903 distance=55' 18387-0012 IPH 26 distance=61' 18379-0023 STF2347 distance=65' 18465-0058 MCA 53Aa,Ab distance=71' 18465-0058 STF2379AB distance=71' 18465-0058 STF2379AC distance=71' 18465-0058 STF2379BC distance=71' 18462+0019 TDT1044 distance=74' 18456+0142 A 2262 distance=77' 18424+0218 BAL1969 distance=88' 18361+0017 IPH 25 distance=92' 18473+0136 TDT1055 distance=95' 18349-0043 RST5119 distance=105' 18351+0003 RST5120 distance=111' 18439+0237 STF2369 distance=112' 18386+0236 HJ 5500AB distance=112' 18386+0236 DAM 381AC distance=112' 18386+0236 SKF2135AD distance=112' 18490+0018 A 2263 distance=114' 18481+0203 J 2530 distance=120' 18395-0107 GWP2791 distance=123' 18374+0238 BU 1327 distance=126' 18333-0035 SKF2841 distance=129' 18380+0248 LDS5240 distance=131' 18449+0253 HEI 562 distance=132' 18410+0302 BU 1328 distance=132' 18457-0107 BAL 582 distance=132' 18432-0120 AOT 73 distance=133' 18360+0234 STN 43 distance=135' 18406+0307 STF2361 distance=138' 18325+0036 RST5450 distance=140' 18357+0239 TDT 950 distance=142' 18512-0037 A 860 distance=143' 18464+0259 BAL1970 distance=146' 18366-0114 CON 35AB distance=147' 18366-0114 CON 35AC distance=147' 18393+0315 BAL2498AB distance=149' 18393+0315 BAL2498AC distance=149' 18401+0321 AG 224 distance=153' 18440+0321 A 2388 distance=154' 18388-0136 BAL 581 distance=154' 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 18418+0052 HJ 865 114 20.4 1
Show 18424+0040 HDZ 2 110 11.8 15
Show 18409+0102 CON 36 AB 141 0.2 18
Show 18409+0102 CON 36 CD 281 2.2 18
Show 18425-0016 CVR 213 89 75.6 37
Show 18394+0111 BAL1503 245 3.7 43
Show 18447-0100 HJ 5501 6 21.0 44
Show 18437-0014 A 858 AB 245 0.9 47
Show 18437-0014 AOT 74 AB,C 303 25.5 47
Show 18439-0013 A 859 10 0.3 49
Show 18394-0009 KPP 903 134 7.5 55
Show 18387-0012 IPH 26 339 24.6 61
Show 18379-0023 STF2347 259 3.4 65
Show 18465-0058 MCA 53 Aa,Ab 95 0.0 71
Show 18465-0058 STF2379 AB 121 12.5 71
Show 18465-0058 STF2379 AC 155 21.8 71
Show 18465-0058 STF2379 BC 172 13.4 71
Show 18462+0019 TDT1044 4 0.5 74
Show 18456+0142 A 2262 325 1.2 77
Show 18424+0218 BAL1969 279 21.4 88
Show 18361+0017 IPH 25 182 44.4 92
Show 18473+0136 TDT1055 89 0.4 95
Show 18349-0043 RST5119 125 2.8 105
Show 18351+0003 RST5120 209 0.2 111
Show 18439+0237 STF2369 25 0.3 112
Show 18386+0236 HJ 5500 AB 40 84.0 112
Show 18386+0236 DAM 381 AC 228 14.2 112
Show 18386+0236 SKF2135 AD 238 54.4 112
Show 18490+0018 A 2263 103 1.5 114
Show 18481+0203 J 2530 232 1.4 120
Show 18395-0107 GWP2791 186 22.9 123
Show 18374+0238 BU 1327 174 13.6 126
Show 18333-0035 SKF2841 333 36.4 129
Show 18380+0248 LDS5240 6 3.3 131
Show 18449+0253 HEI 562 253 0.4 132
Show 18410+0302 BU 1328 283 2.1 132
Show 18457-0107 BAL 582 321 12.4 132
Show 18432-0120 AOT 73 325 11.7 133
Show 18360+0234 STN 43 28 10.1 135
Show 18406+0307 STF2361 211 24.9 138
Show 18325+0036 RST5450 253 0.7 140
Show 18357+0239 TDT 950 262 0.5 142
Show 18512-0037 A 860 258 0.1 143
Show 18464+0259 BAL1970 253 2.8 146
Show 18366-0114 CON 35 AB 32 2.8 147
Show 18366-0114 CON 35 AC 37 7.9 147
Show 18393+0315 BAL2498 AB 64 6.6 149
Show 18393+0315 BAL2498 AC 109 14.8 149
Show 18401+0321 AG 224 348 22.1 153
Show 18440+0321 A 2388 131 0.3 154
Show 18388-0136 BAL 581 125 3.9 154

 
 
WDS 18418+0052 : COMPONENTS
 
 
  A
B pa=113.5°
sep=20.43"
 
 
18418+0052 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 184147.40+005057.0 Mag 10.83 Spectral class A5 (white)
PmRA 7.00 PmDE -6.0 Tycho2 0447-00454-1
Tycho2
Tycho2 0447-00454-1 Pflag RAmdeg 280.44753367 DEmdeg 0.84917661
PmRA 8.7 PmDE -5.6 E RAmdeg 23 E DEmdeg 25
E pmRA 1.4 E pmDE 1.4 EpRAm 1988.14 EpDEm 1984.99
Num 4 Q RAmdeg 0.7 Q DEmdeg 0.4 Q pmRA 0.7
Q pmDE 0.4 BTmag 11.235 E BTmag 0.046 VTmag 10.833
E VTmag 0.048 Prox 999 TYC HIP
CCDM RAdeg 280.44751556 DEdeg 0.84918750 EpRA 1990 1.82
EpDE 1990 1.74 E RAdeg 23.7 E DEdeg 30.8 Posflg
Corr -0.4
 
 
18418+0052 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184148.65+005048.9 Mag 12.73 PmRA 13.00
PmDE 1.0 Calc delta mag 1.9 Calc coord yes