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Current system
15520-7843
HJ 4790
HD 140294


Nearby doubles
5' : 15506-7841
TDS9655

22' : 15483-7902
TDS9635

23' : 15562-7902
LDS 540

29' : 16016-7843
HDS2259

47' : 15470-7927
RST2973

47' : 15519-7930
R 266

48' : 15599-7802
I 333

55' : 15494-7937
HJ 4787

57' : 15576-7749
RSS 389

59' : 16115-7831
UC 3128

61' : 16047-7931
KPP1760

67' : 15431-7945
UC 3050

69' : 16079-7754
UC 3123

79' : 15321-7752
TDS9540

91' : 15567-7713
HJ 4801

94' : 15325-7731
HJ 4760

97' : 15537-7707
RST2980

100' : 15357-8012
HJ 4759
Karaka

101' : 16021-7708
TDS9736

101' : 15360-7716
TVB 277

102' : 16052-7710
RST2987

104' : 15451-8025
KPP1474

111' : 15465-8032
HJ 4780

116' : 16057-7656
TDS9752

117' : 15550-7646
NZO 61

124' : 15586-8045
RST2981



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.

15520-7843 HJ 4790 (HD 140294)

 
 
15h 51m 59.45s -78° 42' 55.0" P.A. 346.00 sep 12.5 mag 9.15,10.80 Sp A0 dist. 150.6 pc (491.26 l.y.)
 
 
Coord 2000 15520-7843 Discov num HJ 4790 Comp Coord arcsec 2000 15 51 59.45 -78 42 55.0
Date first 1836 Date last 2015 Obs 12
Pa first 349 Pa last 345.8 P.A. Now (θ) 345.8°
Sep first 18.0 Sep last 12.538 Sep. Now (ρ) 12.538"
Mag pri 9.15 Mag sec 10.80 delta mag (ΔM) 1.65 Spectral class A0 (white)
Pri motion ra -006 Sec motion ra -007
Pri motion dec -018 Sec motion dec -018
Notes V (Proper motion indicates physical)
rPM=0.052 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 140294 Constellation Apus SAO 257325 HIP 77709
Tycho2 9433-01835-1 Gaia DR2 5778610254590556288 HD 140294 CP CP-78 1053
Distance 150.6 Distance ly 491.26
 
 
WDS 15520-7843 HJ 4790 (HD 140294) : 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
15520-7843 HJ 4790 2000 7 346 12.5 9.15 10.80 A0 D 155159.45-784255.0
15520-7843 HJ 4790 2010 11 346 12.2 9.15 10.80 A0 155159.45-784255.0
15520-7843 HJ 4790 2015 12 346 12.5 9.15 10.80 A0 155159.45-784255.0

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

 
 
WDS 15520-7843 HJ 4790 (HD 140294) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 15520-7843 HJ 4790 (HD 140294) : MEASURES
 
 
No records found.

 
 
WDS 15520-7843 (HD 140294) : VIRTUAL EYEPIECE
 
 

15520-7843 HJ 4790A mag 9.15 Sp A0 15520-7843 HJ 4790B sep 12.2 P.A. 357.20 mag 10.8 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 15520-7843 (HD 140294) : ALADIN DSS IMAGE @ 15h 51m 59.45s -78° 42' 55.0"
 
 
 
 
WDS 15520-7843 HJ 4790 (HD 140294) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

15520-7843 HJ 4790 distance=1' 15506-7841 TDS9655 distance=5' 15483-7902 TDS9635 distance=22' 15562-7902 LDS 540 distance=23' 16016-7843 HDS2259 distance=29' 15470-7927 RST2973 distance=47' 15519-7930 R 266 distance=47' 15599-7802 I 333 distance=48' 15494-7937 HJ 4787 distance=55' 15576-7749 RSS 389 distance=57' 16115-7831 UC 3128 distance=59' 16047-7931 KPP1760 distance=61' 15431-7945 UC 3050 distance=67' 16079-7754 UC 3123 distance=69' 15321-7752 TDS9540 distance=79' 15567-7713 HJ 4801 distance=91' 15325-7731 HJ 4760 distance=94' 15537-7707 RST2980 distance=97' 15357-8012 HJ 4759 (Karaka) distance=100' 16021-7708 TDS9736 distance=101' 15360-7716 TVB 277 distance=101' 16052-7710 RST2987 distance=102' 15451-8025 KPP1474 distance=104' 15465-8032 HJ 4780 distance=111' 16057-7656 TDS9752 distance=116' 15550-7646 NZO 61 distance=117' 15586-8045 RST2981 distance=124' 15522-7633 KPP 353 distance=130' 15336-7647 HDS2183 distance=130' 15590-7633 TDS9710 distance=133' 16003-8104 UC 3103 distance=144' 15585-7613 KPP2972 distance=152' 15323-7622 TDS9542 distance=155' 15424-7603 UC 3048 distance=164' 16078-7608 NZO 71 distance=164' 15361-8144 RST2956AB distance=185' 15545-7525 UC 3087 distance=199' 15525-7516 UC 3075 distance=208' 15377-7516 HEI 786 distance=213' 15591-7507 UC 3099 distance=218' 15554-7459 UC 3089 distance=225' 16108-7502 FIN 241 distance=231' 15345-7458 HEI 785AB distance=233' 15345-7458 UC 3028AC distance=233' 15470-7449 TOB 333 distance=235' 15516-7448 HEI 788 distance=235' 15356-7454 HJ 4770 distance=236' 16070-7453 KPP3981 distance=236' 15536-7446 HEI 790 distance=237' 16029-7443 TOB 334AB distance=243' 16029-7443 TOB 334AC distance=243' 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 15520-7843 HJ 4790 346 12.5 1
Show 15506-7841 TDS9655 325 0.8 5
Show 15483-7902 TDS9635 217 0.5 22
Show 15562-7902 LDS 540 57 26.5 23
Show 16016-7843 HDS2259 337 0.5 29
Show 15470-7927 RST2973 127 2.5 47
Show 15519-7930 R 266 20 21.4 47
Show 15599-7802 I 333 323 0.9 48
Show 15494-7937 HJ 4787 302 10.0 55
Show 15576-7749 RSS 389 357 17.0 57
Show 16115-7831 UC 3128 119 101.3 59
Show 16047-7931 KPP1760 19 13.6 61
Show 15431-7945 UC 3050 13.5 67
Show 16079-7754 UC 3123 208 82.0 69
Show 15321-7752 TDS9540 120 0.6 79
Show 15567-7713 HJ 4801 158 13.0 91
Show 15325-7731 HJ 4760 14 18.9 94
Show 15537-7707 RST2980 223 3.3 97
Show Karaka 15357-8012 HJ 4759 73 24.0 100
Show 16021-7708 TDS9736 41 1.0 101
Show 15360-7716 TVB 277 291 21.5 101
Show 16052-7710 RST2987 239 1.4 102
Show 15451-8025 KPP1474 110 11.1 104
Show 15465-8032 HJ 4780 270 5.0 111
Show 16057-7656 TDS9752 166 0.7 116
Show 15550-7646 NZO 61 133 4.5 117
Show 15586-8045 RST2981 293 6.9 124
Show 15522-7633 KPP 353 203 3.9 130
Show 15336-7647 HDS2183 44 0.3 130
Show 15590-7633 TDS9710 349 0.8 133
Show 16003-8104 UC 3103 282 33.4 144
Show 15585-7613 KPP2972 356 1.3 152
Show 15323-7622 TDS9542 209 0.6 155
Show 15424-7603 UC 3048 78 23.2 164
Show 16078-7608 NZO 71 333 2.3 164
Show 15361-8144 RST2956 AB 42 2.6 185
Show 15545-7525 UC 3087 179 32.2 199
Show 15525-7516 UC 3075 261 35.6 208
Show 15377-7516 HEI 786 226 1.0 213
Show 15591-7507 UC 3099 338 51.9 218
Show 15554-7459 UC 3089 191 62.9 225
Show 16108-7502 FIN 241 82 1.0 231
Show 15345-7458 HEI 785 AB 130 3.4 233
Show 15345-7458 UC 3028 AC 81 27.9 233
Show 15470-7449 TOB 333 135 17.3 235
Show 15516-7448 HEI 788 350 2.1 235
Show 15356-7454 HJ 4770 215 8.0 236
Show 16070-7453 KPP3981 154 1.8 236
Show 15536-7446 HEI 790 114 1.3 237
Show 16029-7443 TOB 334 AB 38 32.2 243
Show 16029-7443 TOB 334 AC 106 33.1 243

 
 
WDS 15520-7843 : COMPONENTS
 
 
  A
B pa=357.2°
sep=12.17"
 
 
15520-7843 A
 
 
Componente originario normalizzato AB Name HD 140294 Coord arcsec 2000 155159.45-784255.0 Mag 9.15
Spectral class A0 (white) PmRA -6.00 PmDE -18.0 SAO 257325
HIP 77712 Tycho2 9433-01835-1 HD 140294 CP CP-78 1053
Tycho2
Tycho2 9433-01835-1 Pflag RAmdeg 237.99771397 DEmdeg -78.71527788
PmRA -5.7 PmDE -18.4 E RAmdeg 8 E DEmdeg 7
E pmRA 1.3 E pmDE 1.3 EpRAm 1990.49 EpDEm 1990.79
Num 10 Q RAmdeg 0.9 Q DEmdeg 1.3 Q pmRA 0.9
Q pmDE 1.3 BTmag 9.221 E BTmag 0.017 VTmag 9.148
E VTmag 0.015 Prox 125 TYC T HIP 77712
CCDM A RAdeg 237.99778083 DEdeg -78.71523500 EpRA 1990 1.71
EpDE 1990 1.61 E RAdeg 7.5 E DEdeg 7.4 Posflg
Corr 0.0
SAO
SAO 257325 DelFlag RA1950 PmRA1950 -0.0053
DE1950 PmDE1950 0.02 Vmag 8.8 SpType A2
Double code Source 61 CatNum 3455 DM CP-78 1053
DMcomp BDsup HD 140294 M HD 0
GC RA1950rad 4.12234801 DE1950rad -1.37118608 PmRA2000 -0.0086
PmDE2000 0.02
Hipparcos
Catalog H HIP 77712 Proxy RAhms 15 51 59.47
DEdms -78 42 54.8 Vmag 9.18 VarFlag R Vmag H
RAdeg 237.998 DEdeg -78.7152 AstroRef A Plx 2.03
CCDM 15520-7843 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD 140294 BD
CD CP CP-78 1053 Dm number -78 1053 VIred 0.05
SpType A0V R SpType Coord arcsec 2000 155159.47-784254.8
Hipparcos 2
HIP 77712 Sn 95 So 3 Nc 1
RArad 4.1538448989 DErad -1.3738399942 Plx 2.88 PmRA -5.16
PmDE -19.02 E RArad 0.91 E DErad 1 E Plx 1.28
E pmRA 0.83 E pmDE 1.06 Hpmag 9.2185 E Hpmag 0.0082
SHp 0.025 VA 0 BV 0.103 E BV 0.025
VI 0.12
CCDM
Ccdm 15520-7843 RComp Comp A Note1
Note2 Discov num DRAs -1.03 DDEs 8.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.5 Sp A0 PmNote *
PmRA -16 PmDE 20 Dm number -78 1053 Cat1 CPD
Name2 257325 Cat2 SAO HD 140294 M HD
ADS BDS M ADS BDS N IDS IDS 15377S7824A
HIC 77712
 
 
15520-7843 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 155159.24-784242.8 Mag 10.8 PmRA -7.00
PmDE -18.0 HIP 77709 Calc delta mag 1.65 Calc coord yes
Hipparcos
Catalog H HIP 77709 Proxy RAhms 15 51 58.43
DEdms -78 42 42.7 Vmag 11.28 VarFlag R Vmag H
RAdeg 237.993 DEdeg -78.7119 AstroRef B Plx 0.63
CCDM 15520-7843 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual A M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.75
SpType R SpType Coord arcsec 2000 155158.43-784242.7
Hipparcos 2
HIP 77709 Sn 95 So 3 Nc 1
RArad 4.1537689298 DErad -1.3737810967 Plx 6.64 PmRA -7.95
PmDE -23.77 E RArad 2.53 E DErad 2.47 E Plx 3.35
E pmRA 2.54 E pmDE 2.98 Hpmag 11.2419 E Hpmag 0.0497
SHp 0 VA 0 BV 0.972 E BV 0.123
VI 0.96
CCDM
Ccdm 15520-7843 RComp Comp B Note1
Note2 Discov num HJ 4790 DRAs DDEs
R dRAs Year 1919 Theta 348 Rho 12.5
Obs 1 Vmag 10.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 15377S7824B
HIC 77709