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Doubles in session


Current system
15420-4817
HJ 4793
HD 139771


Nearby doubles
15' : 15421-4831
CPO 441

16' : 15406-4812
BRT 862

18' : 15404-4822
HJ 4791

25' : 15401-4832
RST 787

28' : 15411-4752
HDS2213

28' : 15393-4819
RSS 382

31' : 15448-4804
CPO 66

32' : 15414-4848
BRT 863

32' : 15447-4759
CPO 103AB

33' : 15413-4746
RSS 383

33' : 15405-4845
RST 788

33' : 15399-4842
CPO 439

35' : 15410-4744
I 971

38' : 15433-4853
NZO 58

38' : 15444-4846
RST 794

38' : 15383-4819
KPP1939

38' : 15393-4751
B 843

41' : 15444-4850
RST 793

42' : 15457-4837
TDS9616

44' : 15463-4811
RST 797

46' : 15378-4834
TDS9566

47' : 15464-4836
KPP2177

48' : 15461-4755
RST 796

56' : 15365-4816
B 841

60' : 15472-4747
BRT 871

60' : 15442-4913
I 1274



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.

15420-4817 HJ 4793 (HD 139771)

 
 
15h 42m 02.81s -48° 17' 09.4" P.A. 15.00 sep 19.3 mag 8.45,11.10 Sp B8IV
 
 
Coord 2000 15420-4817 Discov num HJ 4793 Comp Coord arcsec 2000 15 42 02.81 -48 17 09.4
Date first 1835 Date last 2015 Obs 10
Pa first 19 Pa last 15 P.A. Now (θ) 15°
Sep first 15.0 Sep last 19.271 Sep. Now (ρ) 19.271"
Mag pri 8.45 Mag sec 11.10 delta mag (ΔM) 2.65 Spectral class B8IV (blue-white)
Pri motion ra +000 Sec motion ra -002
Pri motion dec -007 Sec motion dec -005
Notes
rPM=0.404
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 139771 Constellation Lupus SAO 226078 Tycho2 8300-02887-1
Gaia DR2 5986161486853160192 HD 139771 GC 21081
 
 
WDS 15420-4817 HJ 4793 (HD 139771) : 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
15420-4817 HJ 4793 1999 7 15 19.2 8.45 11.10 B8IV D 154202.81-481709.4
15420-4817 HJ 4793 2010 9 15 19.3 8.45 11.10 B8IV 154202.81-481709.4
15420-4817 HJ 4793 2015 10 15 19.3 8.45 11.10 B8IV 154202.81-481709.4

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

 
 
WDS 15420-4817 HJ 4793 (HD 139771) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 15420-4817 HJ 4793 (HD 139771) : MEASURES
 
 
No records found.

 
 
WDS 15420-4817 (HD 139771) : VIRTUAL EYEPIECE
 
 

15420-4817 HJ 4793A mag 8.45 Sp B8IV 15420-4817 HJ 4793B sep 18.9 P.A. 10.10 mag 11.1 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 15420-4817 (HD 139771) : ALADIN DSS IMAGE @ 15h 42m 02.81s -48° 17' 09.4"
 
 
 
 
WDS 15420-4817 HJ 4793 (HD 139771) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

15420-4817 HJ 4793 distance=0' 15421-4831 CPO 441 distance=15' 15406-4812 BRT 862 distance=16' 15404-4822 HJ 4791 distance=18' 15401-4832 RST 787 distance=25' 15411-4752 HDS2213 distance=28' 15393-4819 RSS 382 distance=28' 15448-4804 CPO 66 distance=31' 15414-4848 BRT 863 distance=32' 15447-4759 CPO 103AB distance=32' 15413-4746 RSS 383 distance=33' 15405-4845 RST 788 distance=33' 15447-4759 KPP3011CD distance=33' 15399-4842 CPO 439 distance=33' 15410-4744 I 971 distance=35' 15433-4853 NZO 58 distance=38' 15444-4846 RST 794 distance=38' 15383-4819 KPP1939 distance=38' 15393-4751 B 843 distance=38' 15444-4850 RST 793 distance=41' 15457-4837 TDS9616 distance=42' 15463-4811 RST 797 distance=44' 15378-4834 TDS9566 distance=46' 15464-4836 KPP2177 distance=47' 15461-4755 RST 796 distance=48' 15365-4816 B 841 distance=56' 15472-4747 BRT 871 distance=60' 15442-4913 I 1274 distance=60' 15378-4902 CPO 436 distance=62' 15489-4832 TDS9639 distance=71' 15355-4751 HDS2191 distance=71' 15455-4713 BRT 867 distance=73' 15460-4715 RST 795 distance=75' 15352-4749 BRT 859 distance=75' 15415-4703 HDS2215 distance=75' 15455-4702 BRT 868 distance=83' 15463-4703 BRT 870 distance=86' 15425-4945 BRT 865 distance=88' 15481-4923 B 1791 distance=89' 15435-4644 KPP1883 distance=95' 15360-4930 RST 780 distance=95' 15325-4817 NSN 386 distance=96' 15513-4845 HDS2233 distance=96' 15336-4732 DUN 187 distance=97' 15354-4708 SEE 240 distance=97' 15453-4949 B 2365 distance=97' 15345-4714 SEE 239 distance=100' 15492-4930 SKF1033 distance=102' 15389-5000 RST 783 distance=107' 15441-4629 RST5537 distance=110' 15362-4642 TDS9559 distance=113' 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 15420-4817 HJ 4793 15 19.3
Show 15421-4831 CPO 441 300 3.6 15
Show 15406-4812 BRT 862 162 4.4 16
Show 15404-4822 HJ 4791 154 9.5 18
Show 15401-4832 RST 787 237 1.3 25
Show 15411-4752 HDS2213 29 2.8 28
Show 15393-4819 RSS 382 288 19.2 28
Show 15448-4804 CPO 66 160 4.6 31
Show 15414-4848 BRT 863 121 4.1 32
Show 15447-4759 CPO 103 AB 303 6.1 32
Show 15413-4746 RSS 383 64 11.5 33
Show 15405-4845 RST 788 12 1.1 33
Show 15447-4759 KPP3011 CD 80 1.5 33
Show 15399-4842 CPO 439 153 4.1 33
Show 15410-4744 I 971 304 17.7 35
Show 15433-4853 NZO 58 271 6.7 38
Show 15444-4846 RST 794 199 1.6 38
Show 15383-4819 KPP1939 293 15.3 38
Show 15393-4751 B 843 71 0.7 38
Show 15444-4850 RST 793 274 0.9 41
Show 15457-4837 TDS9616 210 0.5 42
Show 15463-4811 RST 797 230 2.5 44
Show 15378-4834 TDS9566 143 0.7 46
Show 15464-4836 KPP2177 101 17.9 47
Show 15461-4755 RST 796 169 1.4 48
Show 15365-4816 B 841 199 0.6 56
Show 15472-4747 BRT 871 50 5.1 60
Show 15442-4913 I 1274 13 0.2 60
Show 15378-4902 CPO 436 324 5.4 62
Show 15489-4832 TDS9639 129 2.5 71
Show 15355-4751 HDS2191 202 0.3 71
Show 15455-4713 BRT 867 37 4.1 73
Show 15460-4715 RST 795 144 2.4 75
Show 15352-4749 BRT 859 344 3.8 75
Show 15415-4703 HDS2215 36 0.1 75
Show 15455-4702 BRT 868 15 4.1 83
Show 15463-4703 BRT 870 186 3.0 86
Show 15425-4945 BRT 865 353 3.7 88
Show 15481-4923 B 1791 33 0.2 89
Show 15435-4644 KPP1883 347 14.7 95
Show 15360-4930 RST 780 268 6.2 95
Show 15325-4817 NSN 386 305 33.0 96
Show 15513-4845 HDS2233 349 0.3 96
Show 15336-4732 DUN 187 216 23.4 97
Show 15354-4708 SEE 240 291 16.2 97
Show 15453-4949 B 2365 24 6.2 97
Show 15345-4714 SEE 239 7 13.3 100
Show 15492-4930 SKF1033 138 42.5 102
Show 15389-5000 RST 783 50 1.8 107
Show 15441-4629 RST5537 55 1.1 110
Show 15362-4642 TDS9559 13 0.8 113

 
 
WDS 15420-4817 : COMPONENTS
 
 
  A
B pa=10.1°
sep=18.91"
 
 
15420-4817 A
 
 
Componente originario normalizzato AB Name HD 139771 Coord arcsec 2000 154202.81-481709.4 Mag 8.45
Spectral class B8IV (blue-white) PmRA 0.00 PmDE -7.0 SAO 226078
Tycho2 8300-02887-1 HD 139771 GC 21081 DM CD-4710225
Tycho2
Tycho2 8300-02887-1 Pflag RAmdeg 235.51170273 DEmdeg -48.28593192
PmRA -3.6 PmDE -7.2 E RAmdeg 6 E DEmdeg 6
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.26 EpDEm 1991.05
Num 12 Q RAmdeg 1.7 Q DEmdeg 1.3 Q pmRA 1.6
Q pmDE 1.3 BTmag 8.411 E BTmag 0.016 VTmag 8.452
E VTmag 0.013 Prox 192 TYC T HIP
CCDM RAdeg 235.51171472 DEdeg -48.28591500 EpRA 1990 1.66
EpDE 1990 1.45 E RAdeg 5.6 E DEdeg 6.2 Posflg
Corr 0.0
SAO
SAO 226078 DelFlag RA1950 PmRA1950 0.0008
DE1950 PmDE1950 0.001 Vmag 8.6 SpType B9
Double code Source 70 CatNum 21081 DM CD-4710225
DMcomp BDsup HD 139771 M HD 0
GC 21081 RA1950rad 4.09482145 DE1950rad -0.83995853 PmRA2000 0.0007
PmDE2000 0.003
CCDM
Ccdm 15420-4817 RComp Comp A Note1
Note2 Discov num DRAs 2.79 DDEs -9.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.6 Sp B9 PmNote *
PmRA -5 PmDE -10 Dm number -4710225 Cat1 CD
Name2 226078 Cat2 SAO HD 139771 M HD
ADS BDS M ADS BDS N IDS IDS 15349S4758A
HIC
 
 
15420-4817 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 154203.14-481650.8 Mag 11.1 PmRA -2.00
PmDE -5.0 Calc delta mag 2.65 Calc coord yes
CCDM
Ccdm 15420-4817 RComp Comp B Note1
Note2 Discov num HJ 4793 DRAs DDEs
R dRAs Year 1913 Theta 016 Rho 19.4
Obs 1 Vmag 11.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 15349S4758B
HIC