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Current system
20424-3031
H N 101 AB


Nearby doubles
22' : 20412-3015
RST2152

23' : 20431-3010
UC 4267

29' : 20434-3005
LDS5909

39' : 20441-3000
SKF1248

40' : 20454-3029
HJ 5218

46' : 20452-3057
FAL 70AB

52' : 20448-3112
TDT2516

59' : 20400-2940
RST2151

62' : 20452-3120
LDS 720AB

63' : 20452-3122
WOR 40

67' : 20433-2925
SKF2089

77' : 20380-3122
B 992

80' : 20440-3147
JSP 816

80' : 20372-3114
HDS2943

81' : 20447-2917
UC 4277

94' : 20479-3132
B 995

96' : 20485-3126
B 996

97' : 20427-2855
RST2153

100' : 20500-3049
RST2161

103' : 20401-2852
SEE 423AB

106' : 20430-2846
SEE 425

108' : 20503-3058
LDS5911

108' : 20353-3126
LDS5908

115' : 20431-2838
RST2154

117' : 20507-3116
B 997

117' : 20451-3221
LDS5910



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20424-3031 H N 101 AB

 
 
20h 42m 22.51s -30° 30' 57.2" P.A. 334.00 sep 25.9 mag 9.67,9.85
 
 
Coord 2000 20424-3031 Discov num H N 101 Comp AB Coord arcsec 2000 20 42 22.51 -30 30 57.2
Date first 1834 Date last 2015 Obs 21
Pa first 318 Pa last 333.9 P.A. Now (θ) 333.9°
Sep first 15.0 Sep last 25.854 Sep. Now (ρ) 25.854"
Mag pri 9.67 Mag sec 9.85 delta mag (ΔM) 0.18 Spectral class
Pri motion ra -012 Sec motion ra -004
Pri motion dec -042 Sec motion dec -003
Notes N L W (See Notes, Linear solution, )
rPM=0.911
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Microscopium Tycho2 7457-00424-1
 
 
WDS 20424-3031 H N 101 AB : NOTES
 
 
discov_num notes refcode
H N 101 B is CD-30@18114.
 
 
REFERENCES
 
 
No records found.

 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20424-3031 H N 101 AB 2015 21 334 25.9 9.67 9.85 NLW 204222.51-303057.2

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

 
 
WDS 20424-3031 H N 101 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20424-3031 H N 101 AB : MEASURES
 
 
No records found.

 
 
WDS 20424-3031 : VIRTUAL EYEPIECE
 
 

20424-3031 H N 101A mag 9.67 20424-3031 H N 101B sep 25.2 P.A. 337.10 mag 9.85 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 20424-3031 : ALADIN DSS IMAGE @ 20h 42m 22.51s -30° 30' 57.2"
 
 
 
 
WDS 20424-3031 H N 101 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20424-3031 H N 101AB distance=0' 20412-3015 RST2152 distance=22' 20431-3010 UC 4267 distance=23' 20434-3005 LDS5909 distance=29' 20441-3000 SKF1248 distance=39' 20454-3029 HJ 5218 distance=40' 20452-3057 JSP 817CD distance=44' 20452-3057 FAL 70AB distance=46' 20452-3057 TOK 340AC distance=46' 20448-3112 TDT2516 distance=52' 20400-2940 RST2151 distance=59' 20452-3120 LDS 720AB distance=62' 20452-3122 WOR 40 distance=63' 20433-2925 SKF2089 distance=67' 20380-3122 B 992 distance=77' 20440-3147 JSP 816 distance=80' 20372-3114 HDS2943 distance=80' 20447-2917 UC 4277 distance=81' 20479-3132 B 995 distance=94' 20485-3126 B 996 distance=96' 20427-2855 RST2153 distance=97' 20500-3049 RST2161 distance=100' 20401-2852 SEE 423AB distance=103' 20401-2852 SEE 423BC distance=103' 20430-2846 SEE 425 distance=106' 20503-3058 LDS5911 distance=108' 20353-3126 LDS5908 distance=108' 20431-2838 RST2154 distance=115' 20452-3120 LDS 720BC distance=116' 20507-3116 B 997 distance=117' 20451-3221 LDS5910 distance=117' 20451-3221 KPP3118Aa,Ab distance=117' 20461-2843 RST2158 distance=117' 20511-3103 RST2163 distance=118' 20345-3131 KPP1926 distance=119' 20519-3047 UC 4313 distance=124' 20458-2834 RST2157 distance=126' 20517-3109 LDS5913 distance=128' 20347-3152 RST2145 distance=129' 20464-2834 RST2159 distance=129' 20517-2947 RST2164 distance=129' 20516-2943 DAM 668 distance=129' 20516-3123 KPP2645 distance=130' 20326-3107 PRO 230 distance=131' 20327-3123 HJ 5206 distance=135' 20521-2938 FIN 5 distance=137' 20393-2820 RST2149 distance=137' 20516-2927 TOK 863Aa,Ab distance=137' 20404-3251 SHY 781 distance=143' 20467-3245 RST2160 distance=145' 20530-2937 B 506 distance=147' 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 20424-3031 H N 101 AB 334 25.9
Show 20412-3015 RST2152 335 0.9 22
Show 20431-3010 UC 4267 59 8.2 23
Show 20434-3005 LDS5909 146 10.6 29
Show 20441-3000 SKF1248 55 6.4 39
Show 20454-3029 HJ 5218 190 9.8 40
Show 20452-3057 JSP 817 CD 75 2.2 44
Show 20452-3057 FAL 70 AB 76 17.5 46
Show 20452-3057 TOK 340 AC 235 539.4 46
Show 20448-3112 TDT2516 60 0.6 52
Show 20400-2940 RST2151 57 0.2 59
Show 20452-3120 LDS 720 AB 213 999.9 62
Show 20452-3122 WOR 40 168 4.8 63
Show 20433-2925 SKF2089 284 17.7 67
Show 20380-3122 B 992 247 1.3 77
Show 20440-3147 JSP 816 132 3.3 80
Show 20372-3114 HDS2943 75 2.1 80
Show 20447-2917 UC 4277 18 16.5 81
Show 20479-3132 B 995 288 0.5 94
Show 20485-3126 B 996 321 1.6 96
Show 20427-2855 RST2153 42 0.2 97
Show 20500-3049 RST2161 271 2.6 100
Show 20401-2852 SEE 423 AB 39 1.2 103
Show 20401-2852 SEE 423 BC 281 0.2 103
Show 20430-2846 SEE 425 226 7.9 106
Show 20503-3058 LDS5911 78 118.0 108
Show 20353-3126 LDS5908 124 248.3 108
Show 20431-2838 RST2154 279 0.8 115
Show 20452-3120 LDS 720 BC 128 1.8 116
Show 20507-3116 B 997 273 0.2 117
Show 20451-3221 LDS5910 355 283.9 117
Show 20451-3221 KPP3118 Aa,Ab 16 1.6 117
Show 20461-2843 RST2158 278 1.4 117
Show 20511-3103 RST2163 231 2.1 118
Show 20345-3131 KPP1926 56 15.1 119
Show 20519-3047 UC 4313 233 12.5 124
Show 20458-2834 RST2157 170 0.7 126
Show 20517-3109 LDS5913 85 97.0 128
Show 20347-3152 RST2145 255 0.1 129
Show 20464-2834 RST2159 316 3.6 129
Show 20517-2947 RST2164 318 1.0 129
Show 20516-2943 DAM 668 309 11.2 129
Show 20516-3123 KPP2645 163 24.7 130
Show 20326-3107 PRO 230 104 6.5 131
Show 20327-3123 HJ 5206 192 16.4 135
Show 20521-2938 FIN 5 71 2.0 137
Show 20393-2820 RST2149 155 1.0 137
Show 20516-2927 TOK 863 Aa,Ab 173 1.5 137
Show 20404-3251 SHY 781 310 999.9 143
Show 20467-3245 RST2160 138 0.5 145
Show 20530-2937 B 506 317 3.2 147

 
 
WDS 20424-3031 : COMPONENTS
 
 
  A
B pa=337.1°
sep=25.20"
 
 
20424-3031 A
 
 
Coord arcsec 2000 204222.51-303057.2 Mag 9.67 PmRA -12.00 PmDE -42.0
Tycho2 7457-00424-1
Tycho2
Tycho2 7457-00424-1 Pflag RAmdeg 310.59379147 DEmdeg -30.51588971
PmRA -25.6 PmDE -47.7 E RAmdeg 14 E DEmdeg 19
E pmRA 1.6 E pmDE 1.5 EpRAm 1989.22 EpDEm 1985.88
Num 8 Q RAmdeg 0.7 Q DEmdeg 1.3 Q pmRA 0.8
Q pmDE 1.3 BTmag 10.269 E BTmag 0.033 VTmag 9.669
E VTmag 0.028 Prox 253 TYC T HIP
CCDM RAdeg 310.59386083 DEdeg -30.51577778 EpRA 1990 1.72
EpDE 1990 1.37 E RAdeg 14.7 E DEdeg 22.0 Posflg
Corr 0.0
CCDM
Ccdm 20424-3031 RComp Comp A Note1
Note2 Discov num DRAs -1.44 DDEs 4.9
R dRAs 41 Year Theta Rho
Obs 2 Vmag 9.6 Sp PmNote *
PmRA -22 PmDE 43 Dm number -3018115 Cat1 CD
Name2 212365 Cat2 SAO HD M HD
ADS BDS B10417 M ADS BDS N IDS IDS 20362S3052A
HIC
 
 
20424-3031 B
 
 
Coord arcsec 2000 204221.75-303034.0 Mag 9.85 PmRA -4.00 PmDE -3.0
Tycho2 7457-00695-1 Calc delta mag 0.18 Calc coord yes
Tycho2
Tycho2 7457-00695-1 Pflag RAmdeg 310.59004836 DEmdeg -30.50956869
PmRA -3.0 PmDE -5.9 E RAmdeg 19 E DEmdeg 24
E pmRA 1.6 E pmDE 1.7 EpRAm 1986.55 EpDEm 1982.40
Num 8 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 1.0
Q pmDE 0.8 BTmag 11.710 E BTmag 0.090 VTmag 9.850
E VTmag 0.031 Prox 253 TYC T HIP
CCDM RAdeg 310.59005194 DEdeg -30.50956222 EpRA 1990 1.71
EpDE 1990 1.38 E RAdeg 21.7 E DEdeg 32.1 Posflg
Corr 0.0
CCDM
Ccdm 20424-3031 RComp Comp B Note1
Note2 Discov num H 101 DRAs -2.37 DDEs 26.5
R dRAs 41 Year 1959 Theta 330 Rho 24.5
Obs 7 Vmag 10.1 Sp PmNote *
PmRA -8 PmDE 7 Dm number -3018114 Cat1 CD
Name2 212364 Cat2 SAO HD M HD
ADS BDS B10417 M ADS BDS N N IDS IDS 20362S3052B
HIC