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Current system
21556-2108
HJ 3065 AB


Nearby doubles
27' : 21575-2109
BU 169

36' : 21581-2120
DON1021

47' : 21554-2022
LDS4923

52' : 21543-2020
BVD 140

58' : 21529-2152
DON1120

66' : 21551-2003
UC 4597

74' : 21512-2147
TDT3194

77' : 21508-2032
SEE 460

78' : 21529-2001
B 542

82' : 21500-2127
LDS4913

85' : 21582-2225
COO 246

87' : 21592-1958
ARA1232

89' : 22009-2021
I 675

89' : 21551-2237
WSP 111

103' : 22006-2224
WHC 24

113' : 22029-2158
UC 4634

114' : 22022-2003
BHA 49

115' : 22035-2142
I 676

116' : 22011-1942
UC 4630

116' : 21475-2046
HU 377AB

118' : 21480-2022
ARA1229

122' : 21470-2122
LDS6361

124' : 21471-2140
HDS3102

125' : 21483-1959
BHA 46

126' : 21467-2116
UC 4559

127' : 22041-2022
SHN 43



Selections
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Binary Systems
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Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21556-2108 HJ 3065 AB

 
 
21h 55m 38.39s -21° 08' 23.6" P.A. 125.00 sep 41.6 mag 7.34,13.06 Sp M3III dist. 304.88 pc (994.52 l.y.)
 
 
Coord 2000 21556-2108 Discov num HJ 3065 Comp AB Coord arcsec 2000 21 55 38.39 -21 08 23.6
Date first 1830 Date last 2020 Obs 6
Pa first 139 Pa last 125.2 P.A. Now (θ) 125.2°
Sep first 18.0 Sep last 41.62 Sep. Now (ρ) 41.62"
Mag pri 7.34 Mag sec 13.06 delta mag (ΔM) 5.72 Spectral class M3III (red)
Pri motion ra -037 Sec motion ra +006
Pri motion dec -030 Sec motion dec -010
Notes
rPM=0.996
This double is not physical.
 
 
21556-2108 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 190741 21 55 38 -21 08 24 HJ 3065 AB 2020 6 125 41.6 7.34 13.06 5.72 <===
Show BT Cap 190741 21 55 38 -21 08 24 HJ 3065 AC 2020 7 333 65.0 7.34 11.44 4.10
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name BT Cap Constellation Capricornus SAO 190741 HIP 108236
Tycho2 6382-00582-1 Gaia DR2 6823077508481585280 HD 208271 BD BD-21 6120
Distance 304.88 Distance ly 994.52
 
 
WDS 21556-2108 HJ 3065 AB : 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
21556-2108 HJ 3065 AB 1921 3 131 39.9 7.34 11.60 M3III 215538.39-210823.6
21556-2108 HJ 3065 AB 1999 4 127 41.5 7.34 11.60 M3III 215538.39-210823.6
21556-2108 HJ 3065 AB 2020 6 125 41.6 7.34 13.06 M3III 215538.39-210823.6

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

 
 
WDS 21556-2108 HJ 3065 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21556-2108 HJ 3065 AB : MEASURES
 
 
No records found.

 
 
WDS 21556-2108 : VIRTUAL EYEPIECE
 
 

21556-2108 HJ 3065A mag 7.34 Sp M3III 21556-2108 HJ 3065B sep 39.8 P.A. 127.10 mag 13.06 21556-2108 HJ 3065C sep 64.1 P.A. 334.70 mag 11.44 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 21556-2108 : ALADIN DSS IMAGE @ 21h 55m 38.39s -21° 08' 23.6"
 
 
 
 
WDS 21556-2108 HJ 3065 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21556-2108 HJ 3065AB distance=1' 21556-2108 HJ 3065AC distance=1' 21575-2109 BU 169 distance=27' 21581-2120 DON1021 distance=36' 21554-2022 LDS4923 distance=47' 21543-2020 BVD 140 distance=52' 21529-2152 DON1120 distance=58' 21551-2003 UC 4597 distance=66' 21538-2000 BU 168AD distance=73' 21538-2000 BU 168A,BC distance=73' 21538-2000 HU 380BC distance=73' 21512-2147 TDT3194 distance=74' 21508-2032 SEE 460 distance=77' 21529-2001 B 542 distance=78' 21500-2127 LDS4913 distance=82' 21582-2225 COO 246 distance=85' 21592-1958 ARA1232 distance=87' 22009-2021 I 675 distance=89' 21551-2237 WSP 111 distance=89' 22006-2224 WHC 24 distance=103' 22029-2158 UC 4634 distance=113' 22022-2003 BHA 49 distance=114' 22035-2142 I 676 distance=115' 22011-1942 UC 4630 distance=116' 21475-2046 HU 377AB distance=116' 21475-2046 HU 377AB,C distance=116' 21480-2022 ARA1229 distance=118' 21470-2122 LDS6361 distance=122' 21471-2140 HDS3102 distance=124' 21483-1959 BHA 46 distance=125' 21467-2116 UC 4559 distance=126' 22041-2022 SHN 43 distance=127' 22049-2104 DON1022 distance=130' 21582-2315 LDS4928 distance=133' 22024-1930 ARA 812 distance=137' 21472-2221 UC 4562 distance=138' 22043-2216 KPP 988 distance=139' 21469-1948 RST3290 distance=148' 21500-2314 ARA2280 distance=149' 22064-2103 DON1023 distance=151' 22050-1953 ARA1235 distance=152' 22064-2047 CLO 3 distance=152' 22003-2330 I 674 distance=156' 21587-2341 UC 4619 distance=159' 21584-1834 SEE 463 distance=160' 22067-2026 SHN 258 distance=162' 21531-1831 ARA 504 distance=162' 21451-2002 TOI2311 distance=163' 22025-1858 TDT3302 distance=163' 21577-1827 HJ 3070 distance=164' 22059-1946 B 2900 distance=166' 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 21556-2108 HJ 3065 AB 125 41.6 1
Show 21556-2108 HJ 3065 AC 333 65.0 1
Show 21575-2109 BU 169 284 2.0 27
Show 21581-2120 DON1021 186 2.8 36
Show 21554-2022 LDS4923 244 3.3 47
Show 21543-2020 BVD 140 256 35.9 52
Show 21529-2152 DON1120 212 8.3 58
Show 21551-2003 UC 4597 249 21.3 66
Show 21538-2000 BU 168 AD 136 39.8 73
Show 21538-2000 BU 168 A,BC 73 5.5 73
Show 21538-2000 HU 380 BC 247 0.4 73
Show 21512-2147 TDT3194 257 0.9 74
Show 21508-2032 SEE 460 166 0.5 77
Show 21529-2001 B 542 304 0.6 78
Show 21500-2127 LDS4913 277 15.6 82
Show 21582-2225 COO 246 337 21.9 85
Show 21592-1958 ARA1232 311 11.3 87
Show 22009-2021 I 675 63 5.7 89
Show 21551-2237 WSP 111 100 5.0 89
Show 22006-2224 WHC 24 48 20.2 103
Show 22029-2158 UC 4634 310 84.4 113
Show 22022-2003 BHA 49 161 7.9 114
Show 22035-2142 I 676 186 1.2 115
Show 22011-1942 UC 4630 9 38.7 116
Show 21475-2046 HU 377 AB 136 0.5 116
Show 21475-2046 HU 377 AB,C 341 4.7 116
Show 21480-2022 ARA1229 63 13.4 118
Show 21470-2122 LDS6361 104 3.0 122
Show 21471-2140 HDS3102 264 0.4 124
Show 21483-1959 BHA 46 242 4.6 125
Show 21467-2116 UC 4559 189 37.1 126
Show 22041-2022 SHN 43 75 0.8 127
Show 22049-2104 DON1022 267 1.2 130
Show 21582-2315 LDS4928 271 19.1 133
Show 22024-1930 ARA 812 288 14.8 137
Show 21472-2221 UC 4562 131 9.3 138
Show 22043-2216 KPP 988 144 8.0 139
Show 21469-1948 RST3290 180 1.7 148
Show 21500-2314 ARA2280 78 5.0 149
Show 22064-2103 DON1023 85 0.9 151
Show 22050-1953 ARA1235 96 7.3 152
Show 22064-2047 CLO 3 261 0.2 152
Show 22003-2330 I 674 244 0.3 156
Show 21587-2341 UC 4619 313 30.0 159
Show 21584-1834 SEE 463 120 15.7 160
Show 22067-2026 SHN 258 -1 0.3 162
Show 21531-1831 ARA 504 35 5.6 162
Show 21451-2002 TOI2311 131 0.2 163
Show 22025-1858 TDT3302 297 0.5 163
Show 21577-1827 HJ 3070 284 30.4 164
Show 22059-1946 B 2900 194 13.4 166

 
 
WDS 21556-2108 : COMPONENTS
 
 
  A B
B pa=127.1°
sep=39.77"
 
C pa=334.7°
sep=64.11"
pa=324.2°
sep=101.06"
 
 
21556-2108 A
 
 
Coord arcsec 2000 215538.39-210823.6 Mag 7.34 Spectral class M3III (red) PmRA -37.00
PmDE -30.0 SAO 190741 HIP 108236 Tycho2 6382-00582-1
HD 208271 BD BD-21 6120
Tycho2
Tycho2 6382-00582-1 Pflag RAmdeg 328.90985771 DEmdeg -21.13996835
PmRA -38.5 PmDE -29.3 E RAmdeg 5 E DEmdeg 7
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.11 EpDEm 1990.31
Num 13 Q RAmdeg 0.8 Q DEmdeg 0.6 Q pmRA 0.7
Q pmDE 0.7 BTmag 9.083 E BTmag 0.020 VTmag 7.339
E VTmag 0.011 Prox 663 TYC T HIP 108236
CCDM RAdeg 328.90995278 DEdeg -21.13989722 EpRA 1990 1.69
EpDE 1990 1.26 E RAdeg 5.1 E DEdeg 6.6 Posflg
Corr -0.1
SAO
SAO 190741 DelFlag RA1950 PmRA1950 -0.0027
DE1950 PmDE1950 -0.028 Vmag 7.7 SpType M3
Double code Source 23 CatNum 9353 DM BD-21 6120
DMcomp BDsup HD 208271 M HD 0
GC RA1950rad 5.72839972 DE1950rad -0.37310141 PmRA2000 -0.0026
PmDE2000 -0.031
Hipparcos
Catalog H HIP 108236 Proxy RAhms 21 55 38.39
DEdms -21 08 23.6 Vmag 7.09 VarFlag 2 R Vmag H
RAdeg 328.91 DEdeg -21.1399 AstroRef Plx 3.95
CCDM 21556-2109 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 208271 BD BD-21 6120
CD CP Dm number -21 6120 VIred 2.76
SpType M3III R SpType Coord arcsec 2000 215538.39-210823.6
Hipparcos 2
HIP 108236 Sn 5 So 0 Nc 1
RArad 5.740561705 DErad -0.368960809 Plx 3.28 PmRA -36.69
PmDE -29.46 E RArad 0.48 E DErad 0.33 E Plx 0.57
E pmRA 0.64 E pmDE 0.36 Hpmag 7.0671 E Hpmag 0.0051
SHp 0.045 VA 1 BV 1.481 E BV 0.015
VI 2.7
 
 
21556-2108 B
 
 
Coord arcsec 2000 215540.66-210847.6 Mag 13.06 PmRA 6.00 PmDE -10.0
Calc delta mag 5.72 Calc coord yes
 
 
21556-2108 C
 
 
Coord arcsec 2000 215536.43-210725.7 Mag 11.44 PmRA 7.00 PmDE -12.0
Tycho2 6382-00600-1 Calc delta mag 4.1 Calc coord yes
Tycho2
Tycho2 6382-00600-1 Pflag RAmdeg 328.90072539 DEmdeg -21.12365672
PmRA 4.1 PmDE -9.1 E RAmdeg 80 E DEmdeg 118
E pmRA 3.4 E pmDE 3.9 EpRAm 1983.12 EpDEm 1973.97
Num 3 Q RAmdeg 1.0 Q DEmdeg 1.6 Q pmRA 1.0
Q pmDE 1.6 BTmag 12.555 E BTmag 0.268 VTmag 11.657
E VTmag 0.168 Prox 663 TYC HIP
CCDM RAdeg 328.90071583 DEdeg -21.12363417 EpRA 1990 1.74
EpDE 1990 1.23 E RAdeg 85.3 E DEdeg 135.8 Posflg
Corr -0.2