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Doubles in session


Current system
21180+0934
HJ 3021


Nearby doubles
8' : 21181+0942
HJ 3020

18' : 21179+0952
HJ 3019

23' : 21165+0936
BRT3228

25' : 21197+0931
STF2786

25' : 21165+0924
LAF 64AB

34' : 21201+0947
UC 4444AB

38' : 21187+0857
LDS4877

41' : 21181+0854
UC 4436

53' : 21181+1027
UC 4435

53' : 21161+0851
CVR 891

57' : 21147+0907
CVR 890

58' : 21202+1018
HJ 933

59' : 21145+1000
STT 535AB

67' : 21214+1020
A 617

68' : 21224+0953
J 1356

76' : 21226+0900
CVR 895

78' : 21152+0829
SKF1869

78' : 21178+0817
KPP 490

80' : 21137+0846
UC 4412AB

87' : 21221+0832
UC 4460

90' : 21131+1028
BU 1501

95' : 21225+0827
HU 275

95' : 21138+1045
HJ 278

99' : 21198+1108
GRV 446

100' : 21236+1030
BRT1356

101' : 21245+1003
SKF 16



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.

21180+0934 HJ 3021

 
 
21h 18m 01.82s +09° 34' 30.2" P.A. 237.00 sep 23.8 mag 11.38,11.48
 
 
Coord 2000 21180+0934 Discov num HJ 3021 Comp Coord arcsec 2000 21 18 01.82 +09 34 30.2
Date first 1830 Date last 2015 Obs 15
Pa first 243 Pa last 236.9 P.A. Now (θ) 236.9°
Sep first 15.0 Sep last 23.754 Sep. Now (ρ) 23.754"
Mag pri 11.38 Mag sec 11.48 delta mag (ΔM) 0.1 Spectral class
Pri motion ra -001 Sec motion ra -006
Pri motion dec -009 Sec motion dec -017
Notes
rPM=0.523
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Equuleus Tycho2 1109-00020-1 Gaia DR2 1743687521664674688
 
 
WDS 21180+0934 HJ 3021 : 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
21180+0934 HJ 3021 2000 8 237 23.6 11.38 11.89 D 211801.82+093430.2
21180+0934 HJ 3021 2009 9 237 23.7 11.38 11.89 D 211801.82+093430.2
21180+0934 HJ 3021 2010 11 237 23.7 11.38 11.48 211801.82+093430.2
21180+0934 HJ 3021 2015 12 237 23.8 11.38 11.48 211801.82+093430.2

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

 
 
WDS 21180+0934 HJ 3021 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21180+0934 HJ 3021 : MEASURES
 
 
No records found.

 
 
WDS 21180+0934 : VIRTUAL EYEPIECE
 
 

21180+0934 HJ 3021A mag 11.38 21180+0934 HJ 3021B sep 23.5 P.A. 236.50 mag 11.48 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 21180+0934 : ALADIN DSS IMAGE @ 21h 18m 01.82s +09° 34' 30.2"
 
 
 
 
WDS 21180+0934 HJ 3021 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21180+0934 HJ 3021 distance=0' 21181+0942 HJ 3020 distance=8' 21179+0952 HJ 3019 distance=18' 21165+0936 BRT3228 distance=23' 21197+0931 STF2786 distance=25' 21165+0924 LAF 64AB distance=25' 21165+0924 LAF 64AC distance=25' 21201+0947 UC 4444AB distance=34' 21187+0857 LDS4877 distance=38' 21181+0854 UC 4436 distance=41' 21181+1027 UC 4435 distance=53' 21161+0851 CVR 891 distance=53' 21147+0907 CVR 890 distance=57' 21202+1018 HJ 933 distance=58' 21145+1000 STT 535AB distance=59' 21145+1000 STF2777AB,C distance=59' 21214+1020 A 617 distance=67' 21224+0953 J 1356 distance=68' 21226+0900 CVR 895 distance=76' 21152+0829 SKF1869 distance=78' 21178+0817 KPP 490 distance=78' 21137+0846 UC 4412AB distance=80' 21137+0846 RAO 449Aa,Ab distance=80' 21221+0832 UC 4460 distance=87' 21131+1028 BU 1501 distance=90' 21225+0827 HU 275 distance=95' 21138+1045 HJ 278 distance=95' 21198+1108 GRV 446 distance=99' 21236+1030 BRT1356 distance=100' 21245+1003 SKF 16 distance=101' 21144+0807 TDT2847 distance=103' 21110+0933 STF2765AB distance=105' 21110+0933 STF2765AC distance=105' 21251+0923 BU 164AB distance=106' 21251+0923 STF2793AB,C distance=106' 21225+1057 J 161 distance=106' 21121+1038 ENG 81AB distance=109' 21140+1106 AG 415AB distance=110' 21140+1106 TOB 316BC distance=110' 21121+1038 BUP 226BC distance=111' 21227+1101 BPM2367 distance=111' 21158+0747 SKF1870 distance=113' 21164+1128 CVR 892 distance=116' 21224+1110 NSN 743 distance=116' 21223+1111 BRT1355 distance=117' 21222+1114 J 2605 distance=119' 21103+1008 KNT 5AB distance=119' 21103+1008 BU 71AC distance=119' 21103+1008 STFA 54AD distance=119' 21215+1122 BPM2363 distance=119' 21101+0919 GWP3039 distance=120' 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 21180+0934 HJ 3021 237 23.8
Show 21181+0942 HJ 3020 295 25.8 8
Show 21179+0952 HJ 3019 309 15.0 18
Show 21165+0936 BRT3228 259 6.2 23
Show 21197+0931 STF2786 188 2.8 25
Show 21165+0924 LAF 64 AB 29 5.5 25
Show 21165+0924 LAF 64 AC 168 12.4 25
Show 21201+0947 UC 4444 AB 170 74.7 34
Show 21187+0857 LDS4877 123 89.5 38
Show 21181+0854 UC 4436 34 37.6 41
Show 21181+1027 UC 4435 259 50.5 53
Show 21161+0851 CVR 891 33 8.6 53
Show 21147+0907 CVR 890 3 29.1 57
Show 21202+1018 HJ 933 239 17.0 58
Show 21145+1000 STT 535 AB 7 0.1 59
Show 21145+1000 STF2777 AB,C 6 76.5 59
Show 21214+1020 A 617 45 0.0 67
Show 21224+0953 J 1356 176 8.0 68
Show 21226+0900 CVR 895 47 17.8 76
Show 21152+0829 SKF1869 302 67.9 78
Show 21178+0817 KPP 490 319 5.0 78
Show 21137+0846 UC 4412 AB 201 8.6 80
Show 21137+0846 RAO 449 Aa,Ab 322 0.4 80
Show 21221+0832 UC 4460 236 22.0 87
Show 21131+1028 BU 1501 210 1.0 90
Show 21225+0827 HU 275 56 0.4 95
Show 21138+1045 HJ 278 263 22.9 95
Show 21198+1108 GRV 446 157 60.2 99
Show 21236+1030 BRT1356 63 5.7 100
Show 21245+1003 SKF 16 60 53.2 101
Show 21144+0807 TDT2847 255 1.9 103
Show 21110+0933 STF2765 AB 82 2.9 105
Show 21110+0933 STF2765 AC 167 44.2 105
Show 21251+0923 BU 164 AB 93 0.1 106
Show 21251+0923 STF2793 AB,C 241 26.4 106
Show 21225+1057 J 161 300 2.0 106
Show 21121+1038 ENG 81 AB 353 184.7 109
Show 21140+1106 AG 415 AB 23 15.9 110
Show 21140+1106 TOB 316 BC 87 21.1 110
Show 21121+1038 BUP 226 BC 30 24.7 111
Show 21227+1101 BPM2367 336 97.0 111
Show 21158+0747 SKF1870 203 43.4 113
Show 21164+1128 CVR 892 185 7.0 116
Show 21224+1110 NSN 743 262 2.3 116
Show 21223+1111 BRT1355 192 4.1 117
Show 21222+1114 J 2605 223 1.5 119
Show 21103+1008 KNT 5 AB 248 0.6 119
Show 21103+1008 BU 71 AC 359 59.9 119
Show 21103+1008 STFA 54 AD 152 335.2 119
Show 21215+1122 BPM2363 196 52.2 119
Show 21101+0919 GWP3039 61 73.1 120

 
 
WDS 21180+0934 : COMPONENTS
 
 
  A
B pa=236.5°
sep=23.52"
 
 
21180+0934 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 211801.82+093430.2 Mag 11.38 PmRA -1.00
PmDE -9.0 Tycho2 1109-00020-1
Tycho2
Tycho2 1109-00020-1 Pflag RAmdeg 319.50759177 DEmdeg 9.57506590
PmRA 0.7 PmDE -10.9 E RAmdeg 55 E DEmdeg 73
E pmRA 2.5 E pmDE 2.5 EpRAm 1985.50 EpDEm 1978.90
Num 3 Q RAmdeg 1.2 Q DEmdeg 1.4 Q pmRA 1.2
Q pmDE 1.4 BTmag 12.178 E BTmag 0.151 VTmag 11.384
E VTmag 0.103 Prox 240 TYC HIP
CCDM RAdeg 319.50758944 DEdeg 9.57509083 EpRA 1990 1.60
EpDE 1990 1.19 E RAdeg 57.1 E DEdeg 79.1 Posflg
Corr -0.3
 
 
21180+0934 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 211800.49+093417.2 Mag 11.48 PmRA -6.00
PmDE -17.0 Tycho2 1109-00032-1 Calc delta mag 0.1 Calc coord yes
Tycho2
Tycho2 1109-00032-1 Pflag RAmdeg 319.50186675 DEmdeg 9.57147351
PmRA -11.4 PmDE -17.4 E RAmdeg 81 E DEmdeg 101
E pmRA 2.6 E pmDE 2.7 EpRAm 1978.47 EpDEm 1968.63
Num 3 Q RAmdeg 0.0 Q DEmdeg 1.8 Q pmRA 0.0
Q pmDE 1.8 BTmag 12.852 E BTmag 0.276 VTmag 11.888
E VTmag 0.183 Prox 240 TYC HIP
CCDM RAdeg 319.50189361 DEdeg 9.57151167 EpRA 1990 1.58
EpDE 1990 1.18 E RAdeg 87.6 E DEdeg 118.3 Posflg
Corr -0.3