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Current system
11166+4215
HJ 2564


Nearby doubles
16' : 11158+4227
COU1904

18' : 11175+4201
CVR 601

30' : 11174+4146
A 2158

61' : 11154+4316
LDS6241

63' : 11121+4139
BVD 217

64' : 11114+4150
HDS1593

65' : 11118+4250
ENG 45AB

68' : 11139+4315
KPP 240

77' : 11137+4105
HO 50

82' : 11206+4324
A 1846

85' : 11091+4231
HJ 2559AB

91' : 11109+4319
LDS4069

92' : 11114+4325
KUI 55

94' : 11238+4307
LDS4093

95' : 11142+4044
SHN 20

99' : 11098+4317
CVR 596

100' : 11079+4155
CBL 329

101' : 11112+4335
FYM 632

102' : 11219+4337
HJ 2568

102' : 11248+4128
HJ 2570AB

110' : 11090+4325
COU2099

114' : 11152+4023
CVR1354

117' : 11170+4411
SLW 586

123' : 11080+4100
LDS4062

123' : 11061+4253
GIC 97AB

125' : 11076+4329
HJ 2557



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.

11166+4215 HJ 2564

 
 
11h 16m 38.95s +42° 14' 35.8" P.A. 135.00 sep 32.0 mag 9.48,11.37 Sp K2
 
 
Coord 2000 11166+4215 Discov num HJ 2564 Comp Coord arcsec 2000 11 16 38.95 +42 14 35.8
Date first 1830 Date last 2015 Obs 22
Pa first 129 Pa last 134.7 P.A. Now (θ) 134.7°
Sep first 20.0 Sep last 31.975 Sep. Now (ρ) 31.975"
Mag pri 9.48 Mag sec 11.37 delta mag (ΔM) 1.89 Spectral class K2 (yellow-orange)
Pri motion ra +014 Sec motion ra -010
Pri motion dec -003 Sec motion dec -025
Notes L (Linear solution)
rPM=1.209
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ursa Major Tycho2 3012-01203-1 Gaia DR2 783640564389662208
 
 
WDS 11166+4215 HJ 2564 : 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
11166+4215 HJ 2564 2007 9 134 32.0 9.48 11.52 K2 LD 111638.95+421435.8
11166+4215 HJ 2564 2008 10 134 32.1 9.48 11.52 K2 LD 111638.95+421435.8
11166+4215 HJ 2564 2010 12 134 32.0 9.48 11.37 K2 L 111638.95+421435.8
11166+4215 HJ 2564 2015 22 135 32.0 9.48 11.37 K2 L 111638.95+421435.8

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

 
 
WDS 11166+4215 HJ 2564 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 11166+4215 HJ 2564 : MEASURES
 
 
No records found.

 
 
WDS 11166+4215 : VIRTUAL EYEPIECE
 
 

11166+4215 HJ 2564A mag 9.48 Sp K2 11166+4215 HJ 2564B sep 28.1 P.A. 143.20 mag 11.37 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 11166+4215 : ALADIN DSS IMAGE @ 11h 16m 38.95s +42° 14' 35.8"
 
 
 
 
WDS 11166+4215 HJ 2564 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

11166+4215 HJ 2564 distance=0' 11158+4227 COU1904 distance=16' 11175+4201 CVR 601 distance=18' 11174+4146 A 2158 distance=30' 11154+4316 LDS6241 distance=61' 11121+4139 BVD 217 distance=63' 11114+4150 HDS1593 distance=64' 11118+4250 ENG 45AB distance=65' 11118+4250 BUP 136BC distance=66' 11139+4315 KPP 240 distance=68' 11137+4105 HO 50 distance=77' 11206+4324 A 1846 distance=82' 11091+4231 HJ 2559AB distance=85' 11091+4231 WNO 31AC distance=85' 11091+4231 WNO 31AD distance=85' 11109+4319 LDS4069 distance=91' 11114+4325 KUI 55 distance=92' 11238+4307 LDS4093 distance=94' 11142+4044 SHN 20 distance=95' 11098+4317 CVR 596 distance=99' 11079+4155 CBL 329 distance=100' 11112+4335 FYM 632 distance=101' 11219+4337 HJ 2568 distance=102' 11248+4128 HJ 2570AB distance=102' 11248+4128 HJ 2570AC distance=102' 11090+4325 COU2099 distance=110' 11152+4023 CVR1354 distance=114' 11170+4411 SLW 586 distance=117' 11080+4100 LDS4062 distance=123' 11061+4253 WNO 25BD distance=123' 11061+4253 GIC 97AB distance=123' 11061+4253 WNO 25AC distance=123' 11061+4253 WNO 25CD distance=124' 11076+4329 HJ 2557 distance=125' 11131+4011 HJ 494 distance=130' 11045+4141 FMR 218 distance=140' 11227+4011 UC 2127 distance=142' 11294+4206 COU1905 distance=142' 11180+3951 LDS4081 distance=145' 11055+4332 VBS 18AB distance=146' 11055+4332 CSN 7AC distance=146' 11299+4232 CVR1368 distance=149' 11281+4055 TDS7870 distance=152' 11282+4051 BVD 218 distance=155' 11040+4321 FMR 14 distance=155' 11303+4115 ES 1399 distance=163' 11277+4410 A 1848 distance=167' 11308+4117 STT 234 distance=169' 11141+3926 SLW 580 distance=172' 11172+4510 RAO 260 distance=176' 11008+4148 CVR 590 distance=179' 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 11166+4215 HJ 2564 135 32.0
Show 11158+4227 COU1904 212 0.6 16
Show 11175+4201 CVR 601 318 28.6 18
Show 11174+4146 A 2158 0.4 30
Show 11154+4316 LDS6241 147 6.8 61
Show 11121+4139 BVD 217 294 18.8 63
Show 11114+4150 HDS1593 161 0.3 64
Show 11118+4250 ENG 45 AB 247 135.0 65
Show 11118+4250 BUP 136 BC 344 151.4 66
Show 11139+4315 KPP 240 304 3.7 68
Show 11137+4105 HO 50 35 3.0 77
Show 11206+4324 A 1846 165 1.9 82
Show 11091+4231 HJ 2559 AB 267 14.9 85
Show 11091+4231 WNO 31 AC 5 29.6 85
Show 11091+4231 WNO 31 AD 238 45.3 85
Show 11109+4319 LDS4069 228 148.9 91
Show 11114+4325 KUI 55 83 3.4 92
Show 11238+4307 LDS4093 343 60.7 94
Show 11142+4044 SHN 20 99 0.6 95
Show 11098+4317 CVR 596 221 27.8 99
Show 11079+4155 CBL 329 90 60.2 100
Show 11112+4335 FYM 632 338 11.6 101
Show 11219+4337 HJ 2568 247 24.0 102
Show 11248+4128 HJ 2570 AB 279 17.5 102
Show 11248+4128 HJ 2570 AC 211 46.1 102
Show 11090+4325 COU2099 103 0.3 110
Show 11152+4023 CVR1354 162 4.5 114
Show 11170+4411 SLW 586 251 48.0 117
Show 11080+4100 LDS4062 199 11.1 123
Show 11061+4253 WNO 25 BD 290 33.1 123
Show 11061+4253 GIC 97 AB 18 17.9 123
Show 11061+4253 WNO 25 AC 291 37.9 123
Show 11061+4253 WNO 25 CD 33 17.3 124
Show 11076+4329 HJ 2557 27 22.7 125
Show 11131+4011 HJ 494 140 31.2 130
Show 11045+4141 FMR 218 141 3.8 140
Show 11227+4011 UC 2127 34 43.8 142
Show 11294+4206 COU1905 188 0.5 142
Show 11180+3951 LDS4081 76 328.9 145
Show 11055+4332 VBS 18 AB 125 32.0 146
Show 11055+4332 CSN 7 AC 168 7.3 146
Show 11299+4232 CVR1368 39 3.9 149
Show 11281+4055 TDS7870 151 0.7 152
Show 11282+4051 BVD 218 195 7.5 155
Show 11040+4321 FMR 14 124 19.1 155
Show 11303+4115 ES 1399 123 3.2 163
Show 11277+4410 A 1848 190 0.6 167
Show 11308+4117 STT 234 189 0.4 169
Show 11141+3926 SLW 580 50 32.2 172
Show 11172+4510 RAO 260 277 0.4 176
Show 11008+4148 CVR 590 50 24.4 179

 
 
WDS 11166+4215 : COMPONENTS
 
 
  A
B pa=143.2°
sep=28.09"
 
 
11166+4215 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 111638.95+421435.8 Mag 9.48 Spectral class K2 (yellow-orange)
PmRA 14.00 PmDE -3.0 Tycho2 3012-01203-1
Tycho2
Tycho2 3012-01203-1 Pflag RAmdeg 169.16227391 DEmdeg 42.24327346
PmRA 12.5 PmDE -2.6 E RAmdeg 16 E DEmdeg 17
E pmRA 1.4 E pmDE 1.3 EpRAm 1989.17 EpDEm 1988.46
Num 6 Q RAmdeg 1.1 Q DEmdeg 0.6 Q pmRA 1.1
Q pmDE 0.6 BTmag 10.769 E BTmag 0.046 VTmag 9.477
E VTmag 0.023 Prox 320 TYC T HIP
CCDM RAdeg 169.16223028 DEdeg 42.24327889 EpRA 1990 1.68
EpDE 1990 1.67 E RAdeg 17.3 E DEdeg 18.6 Posflg
Corr 0.1
 
 
11166+4215 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 111640.47+421413.3 Mag 11.37 PmRA -10.00
PmDE -25.0 Tycho2 3012-01255-1 Calc delta mag 1.89 Calc coord yes
Tycho2
Tycho2 3012-01255-1 Pflag RAmdeg 169.17094308 DEmdeg 42.23713593
PmRA -9.9 PmDE -24.0 E RAmdeg 81 E DEmdeg 79
E pmRA 2.1 E pmDE 1.9 EpRAm 1971.62 EpDEm 1968.86
Num 3 Q RAmdeg 0.3 Q DEmdeg 0.3 Q pmRA 0.3
Q pmDE 0.3 BTmag 12.313 E BTmag 0.177 VTmag 11.522
E VTmag 0.120 Prox 320 TYC T HIP
CCDM RAdeg 169.17097361 DEdeg 42.23719111 EpRA 1990 1.69
EpDE 1990 1.71 E RAdeg 90.5 E DEdeg 91.3 Posflg
Corr 0.1