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Doubles in session


Current system
21202+1018
HJ 933


Nearby doubles
13' : 21214+1020
A 617

32' : 21201+0947
UC 4444AB

37' : 21181+1027
UC 4435

39' : 21224+0953
J 1356

47' : 21179+0952
HJ 3019

48' : 21236+1030
BRT1356

49' : 21197+0931
STF2786

49' : 21225+1057
J 161

51' : 21181+0942
HJ 3020

52' : 21198+1108
GRV 446

54' : 21227+1101
BPM2367

58' : 21180+0934
HJ 3021

60' : 21224+1110
NSN 743

60' : 21223+1111
BRT1355

62' : 21245+1003
SKF 16

62' : 21222+1114
J 2605

65' : 21215+1122
BPM2363

73' : 21165+0936
BRT3228

81' : 21165+0924
LAF 64AB

81' : 21186+1134
BU 163AB

82' : 21209+1140
BPM2361

85' : 21226+0900
CVR 895

86' : 21187+0857
LDS4877

88' : 21251+0923
BU 164AB

90' : 21188+1144
HEI 880

91' : 21145+1000
STT 535AB



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.

21202+1018 HJ 933

 
 
21h 20m 30.17s +10° 18' 18.7" P.A. 239.00 sep 17.0 mag 10.16,11.91 Sp A0
 
 
Coord 2000 21202+1018 Discov num HJ  933 Comp Coord arcsec 2000 21 20 30.17 +10 18 18.7
Date first 1917 Date last 2015 Obs 15
Pa first 239 Pa last 238.9 P.A. Now (θ) 238.9°
Sep first 16.9 Sep last 17.041 Sep. Now (ρ) 17.041"
Mag pri 10.16 Mag sec 11.91 delta mag (ΔM) 1.75 Spectral class A0 (white)
Pri motion ra +003 Sec motion ra +002
Pri motion dec +005 Sec motion dec +004
Notes U (Proper motion indicates non-physical)
rPM=0.243 (< 0.3, Physical double)
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Equuleus Tycho2 1110-01836-1 Gaia DR2 1745241200314532096
 
 
WDS 21202+1018 HJ 933 : 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
21202+1018 HJ 933 2004 9 239 16.9 10.16 11.91 DU 212030.17+101818.7
21202+1018 HJ 933 2009 11 239 17.0 10.16 11.91 UD 212030.17+101818.7
21202+1018 HJ 933 2010 11 239 16.9 10.16 11.91 A0 U 212030.17+101818.7
21202+1018 HJ 933 2015 12 239 17.0 10.16 11.91 A0 U 212030.17+101818.7

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

 
 
WDS 21202+1018 HJ 933 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21202+1018 HJ 933 : MEASURES
 
 
No records found.

 
 
WDS 21202+1018 : VIRTUAL EYEPIECE
 
 

21202+1018 HJ 933A mag 10.16 Sp A0 21202+1018 HJ 933B sep 16.8 P.A. 238.50 mag 11.91 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 21202+1018 : ALADIN DSS IMAGE @ 21h 20m 30.17s +10° 18' 18.7"
 
 
 
 
WDS 21202+1018 HJ 933 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21202+1018 HJ 933 distance=1' 21214+1020 A 617 distance=13' 21201+0947 UC 4444AB distance=32' 21181+1027 UC 4435 distance=37' 21224+0953 J 1356 distance=39' 21179+0952 HJ 3019 distance=47' 21236+1030 BRT1356 distance=48' 21197+0931 STF2786 distance=49' 21225+1057 J 161 distance=49' 21181+0942 HJ 3020 distance=51' 21198+1108 GRV 446 distance=52' 21227+1101 BPM2367 distance=54' 21180+0934 HJ 3021 distance=58' 21224+1110 NSN 743 distance=60' 21223+1111 BRT1355 distance=60' 21245+1003 SKF 16 distance=62' 21222+1114 J 2605 distance=62' 21215+1122 BPM2363 distance=65' 21165+0936 BRT3228 distance=73' 21165+0924 LAF 64AB distance=81' 21165+0924 LAF 64AC distance=81' 21186+1134 BU 163AB distance=81' 21186+1134 BU 163AC distance=81' 21186+1134 BU 163AD distance=81' 21186+1134 BU 163AE distance=81' 21209+1140 BPM2361 distance=82' 21226+0900 CVR 895 distance=85' 21187+0857 LDS4877 distance=86' 21251+0923 BU 164AB distance=88' 21251+0923 STF2793AB,C distance=88' 21188+1144 HEI 880 distance=90' 21145+1000 STT 535AB distance=91' 21145+1000 STF2777AB,C distance=91' 21181+0854 UC 4436 distance=92' 21164+1128 CVR 892 distance=92' 21196+1153 BPM2359 distance=96' 21254+1121 A 887AB distance=96' 21254+1121 A 887AC distance=96' 21254+1121 FYM 330AD distance=96' 21254+1121 FYM 330AE distance=96' 21248+1136 GWP3057 distance=101' 21138+1045 HJ 278 distance=103' 21140+1106 AG 415AB distance=108' 21140+1106 TOB 316BC distance=108' 21221+0832 UC 4460 distance=109' 21161+0851 CVR 891 distance=109' 21131+1028 BU 1501 distance=110' 21147+0907 CVR 890 distance=113' 21225+1207 BPM2366 distance=113' 21257+1140 BPM2374 distance=113' 21281+1002 GWP3062 distance=114' 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 21202+1018 HJ 933 239 17.0 1
Show 21214+1020 A 617 45 0.0 13
Show 21201+0947 UC 4444 AB 170 74.7 32
Show 21181+1027 UC 4435 259 50.5 37
Show 21224+0953 J 1356 176 8.0 39
Show 21179+0952 HJ 3019 309 15.0 47
Show 21236+1030 BRT1356 63 5.7 48
Show 21197+0931 STF2786 188 2.8 49
Show 21225+1057 J 161 300 2.0 49
Show 21181+0942 HJ 3020 295 25.8 51
Show 21198+1108 GRV 446 157 60.2 52
Show 21227+1101 BPM2367 336 97.0 54
Show 21180+0934 HJ 3021 237 23.8 58
Show 21224+1110 NSN 743 262 2.3 60
Show 21223+1111 BRT1355 192 4.1 60
Show 21245+1003 SKF 16 60 53.2 62
Show 21222+1114 J 2605 223 1.5 62
Show 21215+1122 BPM2363 196 52.2 65
Show 21165+0936 BRT3228 259 6.2 73
Show 21165+0924 LAF 64 AB 29 5.5 81
Show 21165+0924 LAF 64 AC 168 12.4 81
Show 21186+1134 BU 163 AB 257 1.0 81
Show 21186+1134 BU 163 AC 252 29.7 81
Show 21186+1134 BU 163 AD 163 44.8 81
Show 21186+1134 BU 163 AE 6 87.5 81
Show 21209+1140 BPM2361 54 111.3 82
Show 21226+0900 CVR 895 47 17.8 85
Show 21187+0857 LDS4877 123 89.5 86
Show 21251+0923 BU 164 AB 93 0.1 88
Show 21251+0923 STF2793 AB,C 241 26.4 88
Show 21188+1144 HEI 880 205 2.0 90
Show 21145+1000 STT 535 AB 7 0.1 91
Show 21145+1000 STF2777 AB,C 6 76.5 91
Show 21181+0854 UC 4436 34 37.6 92
Show 21164+1128 CVR 892 185 7.0 92
Show 21196+1153 BPM2359 145 89.8 96
Show 21254+1121 A 887 AB 213 0.1 96
Show 21254+1121 A 887 AC 322 12.3 96
Show 21254+1121 FYM 330 AD 79 22.9 96
Show 21254+1121 FYM 330 AE 61 16.2 96
Show 21248+1136 GWP3057 181 11.2 101
Show 21138+1045 HJ 278 263 22.9 103
Show 21140+1106 AG 415 AB 23 15.9 108
Show 21140+1106 TOB 316 BC 87 21.1 108
Show 21221+0832 UC 4460 236 22.0 109
Show 21161+0851 CVR 891 33 8.6 109
Show 21131+1028 BU 1501 210 1.0 110
Show 21147+0907 CVR 890 3 29.1 113
Show 21225+1207 BPM2366 107 61.1 113
Show 21257+1140 BPM2374 142 74.8 113
Show 21281+1002 GWP3062 27 72.0 114

 
 
WDS 21202+1018 : COMPONENTS
 
 
  A
B pa=238.5°
sep=16.84"
 
 
21202+1018 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 212030.17+101818.7 Mag 10.16 Spectral class A0 (white)
PmRA 3.00 PmDE 5.0 Tycho2 1110-01836-1
Tycho2
Tycho2 1110-01836-1 Pflag RAmdeg 320.12571484 DEmdeg 10.30521807
PmRA 2.1 PmDE 4.7 E RAmdeg 20 E DEmdeg 22
E pmRA 1.7 E pmDE 1.6 EpRAm 1987.41 EpDEm 1986.22
Num 8 Q RAmdeg 0.8 Q DEmdeg 1.1 Q pmRA 0.8
Q pmDE 1.1 BTmag 10.407 E BTmag 0.038 VTmag 10.205
E VTmag 0.041 Prox 999 TYC T HIP
CCDM RAdeg 320.12571333 DEdeg 10.30520806 EpRA 1990 1.69
EpDE 1990 1.58 E RAdeg 23.4 E DEdeg 25.5 Posflg
Corr -0.2
 
 
21202+1018 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 212029.20+101809.9 Mag 11.91 PmRA 2.00
PmDE 4.0 Calc delta mag 1.75 Calc coord yes