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Doubles in session


Current system
20184-0245
HJ 911


Nearby doubles
16' : 20190-0258
RST4662

18' : 20195-0239
KPP 468

30' : 20166-0234
GWP2934

38' : 20199-0215
STF2661

48' : 20168-0204
TDT2138

50' : 20168-0329
RST4659AB

60' : 20186-0146
BAL 258AB

64' : 20212-0158
BRT 499

66' : 20152-0330
STF2654

71' : 20143-0209
RST4656

74' : 20227-0319
UC 4161

74' : 20198-0134
RST4663

75' : 20134-0246
BRT 497

80' : 20170-0129
A 868

81' : 20212-0353
BRT 498

85' : 20128-0300
STF2643

90' : 20214-0407
J 1341

90' : 20243-0248
UC 4168

93' : 20125-0217
UC 4121

93' : 20127-0209
WSP 80AB
Petra

99' : 20248-0220
J 1773

101' : 20182-0105
WSP 74AB

103' : 20140-0403
HJ 909

104' : 20204-0107
RST5154

107' : 20249-0327
UC 4171

122' : 20244-0408
HJ 915AB



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.

20184-0245 HJ 911

 
 
20h 18m 22.46s -02° 45' 15.2" P.A. 122.00 sep 21.5 mag 10.24,10.95 Sp F0
 
 
Coord 2000 20184-0245 Discov num HJ  911 Comp Coord arcsec 2000 20 18 22.46 -02 45 15.2
Date first 1827 Date last 2015 Obs 14
Pa first 130 Pa last 122.1 P.A. Now (θ) 122.1°
Sep first 12.0 Sep last 21.489 Sep. Now (ρ) 21.489"
Mag pri 10.24 Mag sec 10.95 delta mag (ΔM) 0.71 Spectral class F0 (yellow-white)
Pri motion ra -008 Sec motion ra +018
Pri motion dec +002 Sec motion dec +001
Notes
rPM=1.443
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquila Tycho2 5166-02704-1 Gaia DR2 4222979181651459840
 
 
WDS 20184-0245 HJ 911 : 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
20184-0245 HJ 911 1998 7 123 21.1 10.24 10.95 F0 D 201822.46-024515.2
20184-0245 HJ 911 2010 9 122 21.5 10.24 10.95 F0 D 201822.46-024515.2
20184-0245 HJ 911 2015 12 122 21.5 10.24 10.95 F0 201822.46-024515.2

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

 
 
WDS 20184-0245 HJ 911 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20184-0245 HJ 911 : MEASURES
 
 
No records found.

 
 
WDS 20184-0245 : VIRTUAL EYEPIECE
 
 

20184-0245 HJ 911A mag 10.24 Sp F0 20184-0245 HJ 911B sep 21.5 P.A. 122.10 mag 10.95 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 20184-0245 : ALADIN DSS IMAGE @ 20h 18m 22.46s -02° 45' 15.2"
 
 
 
 
WDS 20184-0245 HJ 911 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20184-0245 HJ 911 distance=1' 20190-0258 RST4662 distance=16' 20195-0239 KPP 468 distance=18' 20166-0234 GWP2934 distance=30' 20199-0215 STF2661 distance=38' 20168-0204 TDT2138 distance=48' 20168-0329 RST4659AB distance=50' 20168-0329 TOK 337AC distance=50' 20186-0146 BAL 258AB distance=60' 20186-0146 J 1702AC distance=60' 20212-0158 BRT 499 distance=64' 20152-0330 STF2654 distance=66' 20143-0209 RST4656 distance=71' 20227-0319 UC 4161 distance=74' 20198-0134 RST4663 distance=74' 20134-0246 BRT 497 distance=75' 20170-0129 A 868 distance=80' 20212-0353 BRT 498 distance=81' 20128-0300 STF2643 distance=85' 20214-0407 J 1341 distance=90' 20243-0248 UC 4168 distance=90' 20125-0217 UC 4121 distance=93' 20127-0209 WSP 80AB (Petra) distance=93' 20127-0209 WSP 80AC (Petra) distance=93' 20127-0209 WSP 80AD (Petra) distance=93' 20127-0209 WSP 80AE (Petra) distance=93' 20127-0209 WSP 80AF (Petra) distance=93' 20127-0209 WSP 80AG (Petra) distance=93' 20127-0209 WSP 80AH (Petra) distance=93' 20248-0220 J 1773 distance=99' 20182-0105 WSP 74AB distance=101' 20182-0105 WSP 74AC distance=101' 20182-0105 WSP 74AD distance=101' 20182-0105 WSP 74AE distance=101' 20182-0105 WSP 74AF distance=101' 20182-0105 WSP 74AG distance=101' 20182-0105 WSP 74AH distance=101' 20140-0403 HJ 909 distance=103' 20204-0107 RST5154 distance=104' 20249-0327 UC 4171 distance=107' 20244-0408 HJ 915AB distance=122' 20244-0408 HJ 915AC distance=122' 20244-0408 ABH 140AD distance=122' 20244-0408 ABH 140AE distance=122' 20244-0408 ABH 140AF distance=122' 20244-0408 ABH 140AG distance=122' 20244-0408 ABH 140AH distance=122' 20258-0154 HJ 2960 distance=123' 20178-0447 UC 4140 distance=123' 20248-0400 GWP2945 distance=123' 20220-0435 NSN 148 distance=123' 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 20184-0245 HJ 911 122 21.5 1
Show 20190-0258 RST4662 355 1.2 16
Show 20195-0239 KPP 468 45 4.6 18
Show 20166-0234 GWP2934 47 107.0 30
Show 20199-0215 STF2661 341 24.4 38
Show 20168-0204 TDT2138 69 0.5 48
Show 20168-0329 RST4659 AB 7 1.8 50
Show 20168-0329 TOK 337 AC 39 127.4 50
Show 20186-0146 BAL 258 AB 46 5.8 60
Show 20186-0146 J 1702 AC 289 11.7 60
Show 20212-0158 BRT 499 252 5.0 64
Show 20152-0330 STF2654 232 14.4 66
Show 20143-0209 RST4656 139 0.6 71
Show 20227-0319 UC 4161 1 30.0 74
Show 20198-0134 RST4663 334 1.1 74
Show 20134-0246 BRT 497 275 4.2 75
Show 20170-0129 A 868 309 0.2 80
Show 20212-0353 BRT 498 184 3.2 81
Show 20128-0300 STF2643 81 3.0 85
Show 20214-0407 J 1341 250 3.2 90
Show 20243-0248 UC 4168 194 16.4 90
Show 20125-0217 UC 4121 198 9.5 93
Show Petra 20127-0209 WSP 80 AB 54 11.3 93
Show Petra 20127-0209 WSP 80 AC 193 19.2 93
Show Petra 20127-0209 WSP 80 AD 213 14.7 93
Show Petra 20127-0209 WSP 80 AE 338 27.3 93
Show Petra 20127-0209 WSP 80 AF 59 28.5 93
Show Petra 20127-0209 WSP 80 AG 30 29.7 93
Show Petra 20127-0209 WSP 80 AH 53 31.1 93
Show 20248-0220 J 1773 51 4.5 99
Show 20182-0105 WSP 74 AB 8 11.8 101
Show 20182-0105 WSP 74 AC 193 15.7 101
Show 20182-0105 WSP 74 AD 71 15.9 101
Show 20182-0105 WSP 74 AE 133 19.7 101
Show 20182-0105 WSP 74 AF 218 24.0 101
Show 20182-0105 WSP 74 AG 100 8.0 101
Show 20182-0105 WSP 74 AH 75 21.5 101
Show 20140-0403 HJ 909 129 15.3 103
Show 20204-0107 RST5154 301 3.3 104
Show 20249-0327 UC 4171 227 64.7 107
Show 20244-0408 HJ 915 AB 335 45.4 122
Show 20244-0408 HJ 915 AC 36 25.1 122
Show 20244-0408 ABH 140 AD 69 14.4 122
Show 20244-0408 ABH 140 AE 102 40.3 122
Show 20244-0408 ABH 140 AF 311 98.1 122
Show 20244-0408 ABH 140 AG 272 94.0 122
Show 20244-0408 ABH 140 AH 241 115.5 122
Show 20258-0154 HJ 2960 232 13.2 123
Show 20178-0447 UC 4140 350 24.8 123
Show 20248-0400 GWP2945 240 49.2 123
Show 20220-0435 NSN 148 124 4.9 123

 
 
WDS 20184-0245 : COMPONENTS
 
 
  A
B pa=122.1°
sep=21.47"
 
 
20184-0245 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 201822.46-024515.2 Mag 10.24 Spectral class F0 (yellow-white)
PmRA -8.00 PmDE 2.0 Tycho2 5166-02704-1
Tycho2
Tycho2 5166-02704-1 Pflag RAmdeg 304.59357976 DEmdeg -2.75422718
PmRA -7.6 PmDE 1.1 E RAmdeg 28 E DEmdeg 34
E pmRA 2.1 E pmDE 2.2 EpRAm 1989.69 EpDEm 1988.48
Num 3 Q RAmdeg 0.6 Q DEmdeg 1.4 Q pmRA 0.6
Q pmDE 1.4 BTmag 10.761 E BTmag 0.052 VTmag 10.241
E VTmag 0.046 Prox 211 TYC HIP
CCDM RAdeg 304.59359750 DEdeg -2.75422972 EpRA 1990 1.68
EpDE 1990 1.43 E RAdeg 28.0 E DEdeg 35.4 Posflg
Corr -0.3
CCDM
Ccdm 20184-0245 RComp Comp A Note1
Note2 Discov num DRAs -1.62 DDEs -15.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.8 Sp F0 PmNote *
PmRA -12 PmDE 7 Dm number -03 4842 Cat1 BD
Name2 144271 Cat2 SAO HD M HD
ADS BDS B10065 M ADS BDS N IDS IDS 20131S0304A
HIC
 
 
20184-0245 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201823.67-024526.6 Mag 10.95 PmRA 18.00
PmDE 1.0 Tycho2 5166-02705-1 Calc delta mag 0.71 Calc coord yes
Tycho2
Tycho2 5166-02705-1 Pflag RAmdeg 304.59857160 DEmdeg -2.75738604
PmRA 9.0 PmDE -3.1 E RAmdeg 46 E DEmdeg 38
E pmRA 2.5 E pmDE 2.7 EpRAm 1984.86 EpDEm 1982.93
Num 4 Q RAmdeg 1.7 Q DEmdeg 0.5 Q pmRA 1.7
Q pmDE 0.5 BTmag 12.197 E BTmag 0.182 VTmag 10.946
E VTmag 0.083 Prox 211 TYC HIP
CCDM RAdeg 304.59857083 DEdeg -2.75736806 EpRA 1990 1.68
EpDE 1990 1.45 E RAdeg 58.1 E DEdeg 73.6 Posflg
Corr -0.2
CCDM
Ccdm 20184-0245 RComp Comp B Note1
Note2 Discov num HJ 911 DRAs DDEs
R dRAs Year 1895 Theta 124 Rho 19.6
Obs 3 Vmag 10.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B10065 M ADS BDS N IDS IDS 20131S0304B
HIC