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Doubles in session


Current system
21121-3811
HJ 5249


Nearby doubles
36' : 21143-3835
B 520AB

53' : 21140-3858
TDT2844

54' : 21097-3725
TDT2796

55' : 21111-3717
COO 242

62' : 21163-3845
LDS 737

63' : 21075-3842
WG 266

68' : 21065-3826
KIR 23

69' : 21087-3715
B 1895

70' : 21136-3703
BRT1817

82' : 21187-3835
NSN 467

86' : 21088-3927
CRU9015

90' : 21142-3936
WG 267

92' : 21176-3914
SEE 442

104' : 21114-3627
KPP2046

106' : 21034-3748
TDT2717

109' : 21208-3847
CVN 110AB

110' : 21107-3959
HDS3018

111' : 21071-3944
KPP2409

111' : 21030-3838
UC 4365

113' : 21055-3933
TDT2734

116' : 21178-3945
CRU9019AB

118' : 21196-3929
I 1438

118' : 21068-3631
I 301

119' : 21221-3818
HDS3042

124' : 21220-3733
B 525

126' : 21103-4014
CRU9017



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.

21121-3811 HJ 5249

 
 
21h 12m 04.74s -38° 10' 29.7" P.A. 327.00 sep 23.1 mag 9.41,13.90 Sp F2V
 
 
Coord 2000 21121-3811 Discov num HJ 5249 Comp Coord arcsec 2000 21 12 04.74 -38 10 29.7
Date first 1836 Date last 2015 Obs 6
Pa first 331 Pa last 326.6 P.A. Now (θ) 326.6°
Sep first 10.0 Sep last 23.096 Sep. Now (ρ) 23.096"
Mag pri 9.41 Mag sec 13.90 delta mag (ΔM) 4.49 Spectral class F2V (yellow-white)
Pri motion ra +026 Sec motion ra -009
Pri motion dec -042 Sec motion dec -009
Notes
rPM=0.974
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Microscopium SAO 212784 Tycho2 7966-00922-1 Gaia DR2 6775682067630951936
HD 201646
 
 
WDS 21121-3811 HJ 5249 : 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
21121-3811 HJ 5249 1999 3 327 22.4 9.41 13.90 F2V D 211204.74-381029.7
21121-3811 HJ 5249 2010 5 327 22.9 9.41 13.90 F2V 211204.74-381029.7
21121-3811 HJ 5249 2015 6 327 23.1 9.41 13.90 F2V 211204.74-381029.7

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

 
 
WDS 21121-3811 HJ 5249 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21121-3811 HJ 5249 : MEASURES
 
 
No records found.

 
 
WDS 21121-3811 : VIRTUAL EYEPIECE
 
 

21121-3811 HJ 5249A mag 9.41 Sp F2V 21121-3811 HJ 5249B sep 21.7 P.A. 332.60 mag 13.9 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 21121-3811 : ALADIN DSS IMAGE @ 21h 12m 04.74s -38° 10' 29.7"
 
 
 
 
WDS 21121-3811 HJ 5249 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21121-3811 HJ 5249 distance=1' 21143-3835 B 520AB distance=36' 21143-3835 HJ 5253AC distance=36' 21140-3858 TDT2844 distance=53' 21097-3725 TDT2796 distance=54' 21111-3717 COO 242 distance=55' 21163-3845 LDS 737 distance=62' 21075-3842 WG 266 distance=63' 21065-3826 KIR 23 distance=68' 21087-3715 B 1895 distance=69' 21136-3703 BRT1817 distance=70' 21187-3835 NSN 467 distance=82' 21088-3927 CRU9015 distance=86' 21156-3927 HJ 5254A,BC distance=88' 21156-3927 B 521BC distance=88' 21142-3936 WG 267 distance=90' 21176-3914 SEE 442 distance=92' 21114-3627 KPP2046 distance=104' 21034-3748 TDT2717 distance=106' 21208-3847 CVN 110AB distance=109' 21107-3959 HDS3018 distance=110' 21071-3944 KPP2409 distance=111' 21030-3838 UC 4365 distance=111' 21029-3839 KPP4221CD distance=112' 21055-3933 TDT2734 distance=113' 21178-3945 CRU9019AB distance=116' 21178-3945 CRU9019AC distance=116' 21178-3945 TDT2890Ba,Bb distance=117' 21196-3929 I 1438 distance=118' 21068-3631 I 301 distance=118' 21221-3818 HDS3042 distance=119' 21220-3733 B 525 distance=124' 21103-4014 CRU9017 distance=126' 21087-3612 UC 4388 distance=126' 21122-4016 CRU9018AB distance=126' 21122-4016 CRU9018AC distance=126' 21122-4016 CRU9018AD distance=126' 21122-4016 CRU9018AE distance=126' 21122-4016 CRU9018AF distance=126' 21232-3800 LDS 741 distance=130' 21176-3619 UC 4431 distance=130' 21065-4012 WG 265 distance=138' 21144-4025 UC 4416 distance=138' 21209-3639 B 1006 distance=139' 21236-3734 TDT2941 distance=142' 21145-3551 UC 4418 distance=143' 20593-3820 B 2894 distance=152' 21251-3812 RST5478 distance=154' 21232-3653 SUB 9 distance=154' 21162-4041 CBL 182 distance=158' 20593-3902 WG 264 distance=158' 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 21121-3811 HJ 5249 327 23.1 1
Show 21143-3835 B 520 AB 252 0.8 36
Show 21143-3835 HJ 5253 AC 183 10.4 36
Show 21140-3858 TDT2844 69 0.5 53
Show 21097-3725 TDT2796 263 0.6 54
Show 21111-3717 COO 242 239 5.2 55
Show 21163-3845 LDS 737 157 7.2 62
Show 21075-3842 WG 266 299 3.4 63
Show 21065-3826 KIR 23 143 42.8 68
Show 21087-3715 B 1895 119 0.9 69
Show 21136-3703 BRT1817 61 3.6 70
Show 21187-3835 NSN 467 290 36.2 82
Show 21088-3927 CRU9015 88 23.6 86
Show 21156-3927 HJ 5254 A,BC 191 57.8 88
Show 21156-3927 B 521 BC 50 0.5 88
Show 21142-3936 WG 267 318 10.0 90
Show 21176-3914 SEE 442 40 4.9 92
Show 21114-3627 KPP2046 331 16.4 104
Show 21034-3748 TDT2717 255 0.7 106
Show 21208-3847 CVN 110 AB 25 7.0 109
Show 21107-3959 HDS3018 189 0.8 110
Show 21071-3944 KPP2409 194 20.9 111
Show 21030-3838 UC 4365 207 99.7 111
Show 21029-3839 KPP4221 CD 265 4.5 112
Show 21055-3933 TDT2734 35 0.4 113
Show 21178-3945 CRU9019 AB 230 117.1 116
Show 21178-3945 CRU9019 AC 62 62.8 116
Show 21178-3945 TDT2890 Ba,Bb 252 0.5 117
Show 21196-3929 I 1438 57 3.8 118
Show 21068-3631 I 301 335 3.7 118
Show 21221-3818 HDS3042 126 0.2 119
Show 21220-3733 B 525 171 0.9 124
Show 21103-4014 CRU9017 303 25.0 126
Show 21087-3612 UC 4388 178 73.1 126
Show 21122-4016 CRU9018 AB 212 122.8 126
Show 21122-4016 CRU9018 AC 237 146.0 126
Show 21122-4016 CRU9018 AD 250 180.1 126
Show 21122-4016 CRU9018 AE 268 219.6 126
Show 21122-4016 CRU9018 AF 326 122.7 126
Show 21232-3800 LDS 741 290 8.9 130
Show 21176-3619 UC 4431 146 15.1 130
Show 21065-4012 WG 265 64 10.0 138
Show 21144-4025 UC 4416 140 12.5 138
Show 21209-3639 B 1006 151 5.7 139
Show 21236-3734 TDT2941 97 0.4 142
Show 21145-3551 UC 4418 283 8.9 143
Show 20593-3820 B 2894 311 11.4 152
Show 21251-3812 RST5478 126 1.4 154
Show 21232-3653 SUB 9 168 49.6 154
Show 21162-4041 CBL 182 152 31.3 158
Show 20593-3902 WG 264 82 5.3 158

 
 
WDS 21121-3811 : COMPONENTS
 
 
  A
B pa=332.6°
sep=21.72"
 
 
21121-3811 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 211204.74-381029.7 Mag 9.41 Spectral class F2V (yellow-white)
PmRA 26.00 PmDE -42.0 SAO 212784 Tycho2 7966-00922-1
HD 201646 DM CD-3814430
Tycho2
Tycho2 7966-00922-1 Pflag RAmdeg 318.01977169 DEmdeg -38.17494144
PmRA 29.8 PmDE -48.3 E RAmdeg 10 E DEmdeg 13
E pmRA 1.3 E pmDE 1.4 EpRAm 1990.16 EpDEm 1989.36
Num 10 Q RAmdeg 0.8 Q DEmdeg 0.4 Q pmRA 0.8
Q pmDE 0.4 BTmag 9.803 E BTmag 0.022 VTmag 9.413
E VTmag 0.019 Prox 999 TYC T HIP
CCDM RAdeg 318.01968472 DEdeg -38.17482667 EpRA 1990 1.66
EpDE 1990 1.48 E RAdeg 10.1 E DEdeg 12.9 Posflg
Corr -0.2
SAO
SAO 212784 DelFlag RA1950 PmRA1950 0.0011
DE1950 PmDE1950 -0.064 Vmag 9.4 SpType F2
Double code Source 41 CatNum 10941 DM CD-3814430
DMcomp BDsup HD 201646 M HD 0
GC RA1950rad 5.53671394 DE1950rad -0.66985983 PmRA2000 0.0012
PmDE2000 -0.067
CCDM
Ccdm 21121-3811 RComp Comp A Note1
Note2 Discov num DRAs -1.31 DDEs 30.1
R dRAs 41 Year Theta Rho
Obs 2 Vmag 9.4 Sp F2 PmNote *
PmRA 13 PmDE -64 Dm number -3814430 Cat1 CD
Name2 212784 Cat2 SAO HD 201646 M HD
ADS BDS M ADS BDS N IDS IDS 21058S3835A
HIC
 
 
21121-3811 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 211203.89-381010.4 Mag 13.9 PmRA -9.00
PmDE -9.0 Calc delta mag 4.49 Calc coord yes
CCDM
Ccdm 21121-3811 RComp Comp B Note1
Note2 Discov num HJ 5249 DRAs -2.33 DDEs 49.0
R dRAs 41 Year 1919 Theta 329 Rho 19.2
Obs 1 Vmag 13.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21058S3835B
HIC