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Doubles in session


Current system
20454-3029
HJ 5218
HD 197541


Nearby doubles
29' : 20452-3057
FAL 70AB

34' : 20441-3000
SKF1248

34' : 20434-3005
LDS5909

36' : 20431-3010
UC 4267

40' : 20424-3031
H N 101AB

45' : 20448-3112
TDT2516

52' : 20452-3120
LDS 720AB

54' : 20452-3122
WOR 40

57' : 20412-3015
RST2152

63' : 20500-3049
RST2161

70' : 20433-2925
SKF2089

70' : 20485-3126
B 996

71' : 20479-3132
B 995

72' : 20503-3058
LDS5911

73' : 20447-2917
UC 4277

81' : 20440-3147
JSP 816

82' : 20511-3103
RST2163

83' : 20507-3116
B 997

85' : 20400-2940
RST2151

86' : 20519-3047
UC 4313

92' : 20517-2947
RST2164

93' : 20517-3109
LDS5913

93' : 20516-2943
DAM 668

97' : 20516-3123
KPP2645

101' : 20521-2938
FIN 5

101' : 20427-2855
RST2153



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.

20454-3029 HJ 5218 (HD 197541)

 
 
20h 45m 23.86s -30° 28' 41.3" P.A. 190.00 sep 9.8 mag 6.82,11.00 Sp F0IV/V dist. 60.24 pc (196.5 l.y.)
 
 
Coord 2000 20454-3029 Discov num HJ 5218 Comp Coord arcsec 2000 20 45 23.86 -30 28 41.3
Date first 1835 Date last 2016 Obs 15
Pa first 189 Pa last 190.3 P.A. Now (θ) 190.3°
Sep first 7.0 Sep last 9.761 Sep. Now (ρ) 9.761"
Mag pri 6.82 Mag sec 11.00 delta mag (ΔM) 4.18 Spectral class F0IV/V (yellow-white)
Pri motion ra -004 Sec motion ra
Pri motion dec -023 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 197541 Constellation Microscopium SAO 212410 HIP 102435
Tycho2 7457-00481-1 Gaia DR2 6794952692535208576 HD 197541 GC 28911
CD CD-3018155 Distance 60.24 Distance ly 196.5
 
 
WDS 20454-3029 HJ 5218 (HD 197541) : 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
20454-3029 HJ 5218 2004 11 190 9.8 6.60 11.00 F0IV/V D 204523.86-302841.3
20454-3029 HJ 5218 2010 12 191 9.2 6.82 11.00 F0IV/V 204523.86-302841.3
20454-3029 HJ 5218 2015 13 190 9.8 6.82 11.00 F0IV/V 204523.86-302841.3
20454-3029 HJ 5218 2016 15 190 9.8 6.82 11.00 F0IV/V 204523.86-302841.3

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

 
 
WDS 20454-3029 HJ 5218 (HD 197541) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20454-3029 HJ 5218 (HD 197541) : MEASURES
 
 
No records found.

 
 
WDS 20454-3029 (HD 197541) : VIRTUAL EYEPIECE
 
 

20454-3029 HJ 5218A mag 6.82 Sp F0IV/V 20454-3029 HJ 5218B sep 9.7 P.A. 188.90 mag 11 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 20454-3029 (HD 197541) : ALADIN DSS IMAGE @ 20h 45m 23.86s -30° 28' 41.3"
 
 
 
 
WDS 20454-3029 HJ 5218 (HD 197541) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20454-3029 HJ 5218 distance=0' 20452-3057 FAL 70AB distance=29' 20452-3057 TOK 340AC distance=29' 20441-3000 SKF1248 distance=34' 20434-3005 LDS5909 distance=34' 20452-3057 JSP 817CD distance=36' 20431-3010 UC 4267 distance=36' 20424-3031 H N 101AB distance=40' 20448-3112 TDT2516 distance=45' 20452-3120 LDS 720AB distance=52' 20452-3122 WOR 40 distance=54' 20412-3015 RST2152 distance=57' 20500-3049 RST2161 distance=63' 20433-2925 SKF2089 distance=70' 20485-3126 B 996 distance=70' 20479-3132 B 995 distance=71' 20503-3058 LDS5911 distance=72' 20447-2917 UC 4277 distance=73' 20440-3147 JSP 816 distance=81' 20511-3103 RST2163 distance=82' 20507-3116 B 997 distance=83' 20400-2940 RST2151 distance=85' 20519-3047 UC 4313 distance=86' 20517-2947 RST2164 distance=92' 20517-3109 LDS5913 distance=93' 20516-2943 DAM 668 distance=93' 20516-3123 KPP2645 distance=97' 20521-2938 FIN 5 distance=101' 20427-2855 RST2153 distance=101' 20516-2927 TOK 863Aa,Ab distance=103' 20461-2843 RST2158 distance=105' 20430-2846 SEE 425 distance=107' 20380-3122 B 992 distance=110' 20530-2937 B 506 distance=111' 20451-3221 LDS5910 distance=114' 20451-3221 KPP3118Aa,Ab distance=114' 20458-2834 RST2157 distance=115' 20431-2838 RST2154 distance=116' 20464-2834 RST2159 distance=116' 20372-3114 HDS2943 distance=116' 20401-2852 SEE 423AB distance=119' 20401-2852 SEE 423BC distance=119' 20452-3120 LDS 720BC distance=126' 20552-3008 HDS2980 distance=129' 20498-2829 LDS 725 distance=134' 20467-3245 RST2160 distance=138' 20353-3126 LDS5908 distance=143' 20478-3255 WIS 343 distance=150' 20487-2804 FIN 8 distance=151' 20393-2820 RST2149 distance=151' 20345-3131 KPP1926 distance=155' 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 20454-3029 HJ 5218 190 9.8
Show 20452-3057 FAL 70 AB 76 17.5 29
Show 20452-3057 TOK 340 AC 235 539.4 29
Show 20441-3000 SKF1248 55 6.4 34
Show 20434-3005 LDS5909 146 10.6 34
Show 20452-3057 JSP 817 CD 75 2.2 36
Show 20431-3010 UC 4267 59 8.2 36
Show 20424-3031 H N 101 AB 334 25.9 40
Show 20448-3112 TDT2516 60 0.6 45
Show 20452-3120 LDS 720 AB 213 999.9 52
Show 20452-3122 WOR 40 168 4.8 54
Show 20412-3015 RST2152 335 0.9 57
Show 20500-3049 RST2161 271 2.6 63
Show 20433-2925 SKF2089 284 17.7 70
Show 20485-3126 B 996 321 1.6 70
Show 20479-3132 B 995 288 0.5 71
Show 20503-3058 LDS5911 78 118.0 72
Show 20447-2917 UC 4277 18 16.5 73
Show 20440-3147 JSP 816 132 3.3 81
Show 20511-3103 RST2163 231 2.1 82
Show 20507-3116 B 997 273 0.2 83
Show 20400-2940 RST2151 57 0.2 85
Show 20519-3047 UC 4313 233 12.5 86
Show 20517-2947 RST2164 318 1.0 92
Show 20517-3109 LDS5913 85 97.0 93
Show 20516-2943 DAM 668 309 11.2 93
Show 20516-3123 KPP2645 163 24.7 97
Show 20521-2938 FIN 5 71 2.0 101
Show 20427-2855 RST2153 42 0.2 101
Show 20516-2927 TOK 863 Aa,Ab 173 1.5 103
Show 20461-2843 RST2158 278 1.4 105
Show 20430-2846 SEE 425 226 7.9 107
Show 20380-3122 B 992 247 1.3 110
Show 20530-2937 B 506 317 3.2 111
Show 20451-3221 LDS5910 355 283.9 114
Show 20451-3221 KPP3118 Aa,Ab 16 1.6 114
Show 20458-2834 RST2157 170 0.7 115
Show 20431-2838 RST2154 279 0.8 116
Show 20464-2834 RST2159 316 3.6 116
Show 20372-3114 HDS2943 75 2.1 116
Show 20401-2852 SEE 423 AB 39 1.2 119
Show 20401-2852 SEE 423 BC 281 0.2 119
Show 20452-3120 LDS 720 BC 128 1.8 126
Show 20552-3008 HDS2980 334 0.1 129
Show 20498-2829 LDS 725 271 21.8 134
Show 20467-3245 RST2160 138 0.5 138
Show 20353-3126 LDS5908 124 248.3 143
Show 20478-3255 WIS 343 9 525.5 150
Show 20487-2804 FIN 8 189 2.5 151
Show 20393-2820 RST2149 155 1.0 151
Show 20345-3131 KPP1926 56 15.1 155

 
 
WDS 20454-3029 : COMPONENTS
 
 
  A
B pa=188.9°
sep=9.72"
 
 
20454-3029 A
 
 
Componente originario normalizzato AB Name HD 197541 Coord arcsec 2000 204523.86-302841.3 Mag 6.82
Spectral class F0IV/V (yellow-white) PmRA -4.00 PmDE -23.0 SAO 212410
HIP 102435 Tycho2 7457-00481-1 HD 197541 GC 28911
CD CD-3018155
Tycho2
Tycho2 7457-00481-1 Pflag RAmdeg 311.34937878 DEmdeg -30.47820972
PmRA -9.3 PmDE -24.6 E RAmdeg 4 E DEmdeg 5
E pmRA 1.2 E pmDE 1.5 EpRAm 1991.40 EpDEm 1991.04
Num 13 Q RAmdeg 0.5 Q DEmdeg 1.0 Q pmRA 0.6
Q pmDE 1.1 BTmag 7.179 E BTmag 0.015 VTmag 6.825
E VTmag 0.010 Prox 999 TYC T HIP 102435
CCDM RAdeg 311.34940389 DEdeg -30.47815028 EpRA 1990 1.71
EpDE 1990 1.29 E RAdeg 3.9 E DEdeg 4.6 Posflg
Corr -0.3
SAO
SAO 212410 DelFlag RA1950 PmRA1950 -0.0005
DE1950 PmDE1950 0.006 Vmag 6.8 SpType F0
Double code Source 70 CatNum 28911 DM CD-3018155
DMcomp BDsup HD 197541 M HD 0
GC 28911 RA1950rad 5.42072351 DE1950rad -0.53512008 PmRA2000 -0.0006
PmDE2000 0.003
Hipparcos
Catalog H HIP 102435 Proxy T RAhms 20 45 23.86
DEdms -30 28 41.3 Vmag 6.78 VarFlag 1 R Vmag H
RAdeg 311.349 DEdeg -30.4781 AstroRef Plx 16.4
CCDM 20454-3029 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 197541 BD
CD CD-3018155 CP Dm number -3018155 VIred 0.37
SpType F0IV/V R SpType Coord arcsec 2000 204523.86-302841.3
Hipparcos 2
HIP 102435 Sn 5 So 0 Nc 1
RArad 5.4340722662 DErad -0.5319440757 Plx 16.6 PmRA -11.28
PmDE -24.47 E RArad 0.51 E DErad 0.28 E Plx 0.56
E pmRA 0.75 E pmDE 0.38 Hpmag 6.8631 E Hpmag 0.0018
SHp 0.015 VA 2 BV 0.333 E BV 0.008
VI 0.39
CCDM
Ccdm 20454-3029 RComp Comp A Note1
Note2 Discov num DRAs -0.02 DDEs 19.2
R dRAs 41 Year Theta Rho
Obs 2 Vmag 6.6 Sp F0 PmNote *
PmRA -9 PmDE -18 Dm number -3018155 Cat1 CD
Name2 212410 Cat2 SAO HD 197541 M HD
ADS BDS B10464 M ADS BDS N IDS IDS 20393S3050A
HIC 102435
 
 
20454-3029 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204523.74-302850.9 Mag 11 Calc delta mag 4.18
Calc coord yes
CCDM
Ccdm 20454-3029 RComp Comp B Note1
Note2 Discov num HJ 5218 DRAs DDEs
R dRAs Year 1877 Theta 192 Rho 9.8
Obs 7 Vmag 11.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B10464 M ADS BDS N IDS IDS 20393S3050B
HIC 102435