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Current system
15561-3952
HDO 252
HD 142448


Nearby doubles
41' : 15577-3915
WG 185

42' : 15536-3921
TOK 598AB

44' : 15586-4024
BRT 872

52' : 15587-3910
HJ 4822

62' : 15523-4036
DAW 68

65' : 16009-4026
I 1280AB

67' : 15568-4058
WFC 171

71' : 15578-4100
SEE 252AB

72' : 15595-4052
JNN 216

72' : 15574-4102
TDS9704

79' : 15497-3925
RST1865

82' : 15579-3833
KPP3013

88' : 15489-3923
HRG 122

89' : 15597-3834
B 2373

96' : 15546-3818
B 851

97' : 16014-3837
TDS9732

98' : 16013-3836
RST1872

100' : 15497-3847
JNN 212AB

100' : 15572-4130
HDS2245

100' : 16001-3824
RMK 21AB

100' : 16011-4114
RST1871

102' : 15568-4133
KPP 790

103' : 16047-3926
I 373

105' : 16048-4024
SEE 262

110' : 15565-4141
RST1866AB

112' : 16058-3951
I 1285AB



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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

15561-3952 HDO 252 (HD 142448)

 
 
15h 56m 06.84s -39° 51' 51.6" P.A. 315.00 sep 29.8 mag 6.03,12.00 Sp B6V dist. 173.31 pc (565.34 l.y.)
 
 
Coord 2000 15561-3952 Discov num HDO 252 Comp Coord arcsec 2000 15 56 06.84 -39 51 51.6
Date first 1891 Date last 2015 Obs 6
Pa first 300 Pa last 315.4 P.A. Now (θ) 315.4°
Sep first 18.0 Sep last 29.829 Sep. Now (ρ) 29.829"
Mag pri 6.03 Mag sec 12.00 delta mag (ΔM) 5.97 Spectral class B6V (blue-white)
Pri motion ra +002 Sec motion ra
Pri motion dec -016 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 142448 Constellation Lupus SAO 207128 HIP 78046
Tycho2 7842-01329-1 Gaia DR2 5996422545992204928 HD 142448 HR 5918
GC 21377 CD CD-3910237 CP CP-39 6847 Distance 173.31
Distance ly 565.34
 
 
WDS 15561-3952 HDO 252 (HD 142448) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HdO1882a Mb - Harvard Obs. 1882AnHar..13...17.
HdO1882a Harvard Ann. 13, 17, 1882
HdO1882b Ma j Harvard Obs. (measure by Alden, G.I.) 1882AnHar..13...17.
HdO1882b Harvard Ann. 13, 17, 1882
HdO1882c Ma - Harvard Obs. (measure by Davis, W.M.) 1882AnHar..13...17.
HdO1882c Harvard Ann. 13, 17, 1882
HdO1906A Ma - Harvard Obs. 1906QB821.B972.....
HdO1906A cited in BDS (Burnham Double Star Cat., 1906)
HdO9999 Ma - Harvard Obs. ...................
HdO9999 Unpublished, manuscript or reference not found.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
15561-3952 HDO 252 1891 1 300 18.0 6.03 12.00 B6V 155606.84-395151.6
15561-3952 HDO 252 2000 4 315 29.7 6.03 12.00 B6V 155606.84-395151.6
15561-3952 HDO 252 2010 5 315 30.0 6.03 12.00 B6V 155606.84-395151.6
15561-3952 HDO 252 2015 6 315 29.8 6.03 12.00 B6V 155606.84-395151.6

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

 
 
WDS 15561-3952 HDO 252 (HD 142448) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 15561-3952 HDO 252 (HD 142448) : MEASURES
 
 
No records found.

 
 
WDS 15561-3952 (HD 142448) : VIRTUAL EYEPIECE
 
 

15561-3952 HDO 252A mag 6.03 Sp B6V 15561-3952 HDO 252B sep 26.6 P.A. 322.90 mag 12 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 15561-3952 (HD 142448) : ALADIN DSS IMAGE @ 15h 56m 06.84s -39° 51' 51.6"
 
 
 
 
WDS 15561-3952 HDO 252 (HD 142448) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

15561-3952 HDO 252 distance=0' 15577-3915 WG 185 distance=41' 15536-3921 TOK 598AB distance=42' 15586-4024 BRT 872 distance=44' 15587-3910 HJ 4822 distance=52' 15523-4036 DAW 68 distance=62' 16009-4026 I 1280AB distance=65' 16009-4026 COO 190AB,C distance=65' 15568-4058 WFC 171 distance=67' 15578-4100 SEE 252AB distance=71' 15578-4100 SEE 252AB,C distance=71' 15595-4052 JNN 216 distance=72' 15574-4102 TDS9704 distance=72' 15497-3925 RST1865 distance=79' 15579-3833 KPP3013 distance=82' 15489-3923 HRG 122 distance=88' 15597-3834 B 2373 distance=89' 15546-3818 B 851 distance=96' 16014-3837 TDS9732 distance=97' 16013-3836 RST1872 distance=98' 15497-3847 JNN 212AB distance=100' 15497-3847 JNN 212AC distance=100' 15572-4130 HDS2245 distance=100' 16001-3824 RMK 21AB distance=100' 16001-3824 RMK 21AC distance=100' 16001-3824 ANT 2AD distance=100' 16011-4114 RST1871 distance=100' 15568-4133 KPP 790 distance=102' 16047-3926 I 373 distance=103' 16048-4024 SEE 262 distance=105' 15565-4141 RST1866AB distance=110' 15558-3802 REP 28EI distance=111' 16058-3951 I 1285AB distance=112' 16058-3951 KOU 50AC distance=112' 16051-4037 NSN 387 distance=113' 16048-4044 I 1284 distance=113' 16059-3944 I 1286 distance=114' 15462-3950 RST1863 distance=114' 15562-3756 HDS2242Da,Db distance=116' 15562-3756 GHE 38DH distance=116' 15536-3759 B 850 distance=117' 15518-3807 B 849AB distance=117' 15518-3807 HJ 4812AB,C distance=117' 16034-3829 I 555AB distance=120' 16034-3829 I 555AC distance=120' 16063-4021 RST1875 distance=121' 15581-4152 BRR 14 distance=123' 16005-4144 GHE 40 distance=123' 16065-4027 RST1876 distance=125' 16067-4038 B 2799 distance=130' 15558-3742 SWR 187 distance=131' 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 15561-3952 HDO 252 315 29.8
Show 15577-3915 WG 185 39 5.9 41
Show 15536-3921 TOK 598 AB 283 999.9 42
Show 15586-4024 BRT 872 169 3.3 44
Show 15587-3910 HJ 4822 271 9.8 52
Show 15523-4036 DAW 68 147 0.1 62
Show 16009-4026 I 1280 AB 245 1.3 65
Show 16009-4026 COO 190 AB,C 159 8.0 65
Show 15568-4058 WFC 171 349 9.4 67
Show 15578-4100 SEE 252 AB 281 0.4 71
Show 15578-4100 SEE 252 AB,C 218 18.6 71
Show 15595-4052 JNN 216 111 3.5 72
Show 15574-4102 TDS9704 211 2.3 72
Show 15497-3925 RST1865 83 0.4 79
Show 15579-3833 KPP3013 276 7.6 82
Show 15489-3923 HRG 122 146 14.1 88
Show 15597-3834 B 2373 6 6.0 89
Show 15546-3818 B 851 181 0.9 96
Show 16014-3837 TDS9732 330 0.5 97
Show 16013-3836 RST1872 69 0.7 98
Show 15497-3847 JNN 212 AB 197 2.2 100
Show 15497-3847 JNN 212 AC 174 3.5 100
Show 15572-4130 HDS2245 218 6.5 100
Show 16001-3824 RMK 21 AB 19 14.8 100
Show 16001-3824 RMK 21 AC 248 114.9 100
Show 16001-3824 ANT 2 AD 293 135.5 100
Show 16011-4114 RST1871 309 1.3 100
Show 15568-4133 KPP 790 100 6.8 102
Show 16047-3926 I 373 217 8.7 103
Show 16048-4024 SEE 262 327 1.3 105
Show 15565-4141 RST1866 AB 50 3.0 110
Show 15558-3802 REP 28 EI 19 2.0 111
Show 16058-3951 I 1285 AB 270 2.0 112
Show 16058-3951 KOU 50 AC 81 7.2 112
Show 16051-4037 NSN 387 219 1.1 113
Show 16048-4044 I 1284 62 0.2 113
Show 16059-3944 I 1286 139 4.5 114
Show 15462-3950 RST1863 1 0.7 114
Show 15562-3756 HDS2242 Da,Db 98 0.5 116
Show 15562-3756 GHE 38 DH 154 18.4 116
Show 15536-3759 B 850 127 1.1 117
Show 15518-3807 B 849 AB 29 0.3 117
Show 15518-3807 HJ 4812 AB,C 52 12.5 117
Show 16034-3829 I 555 AB 114 1.2 120
Show 16034-3829 I 555 AC 143 18.8 120
Show 16063-4021 RST1875 344 1.8 121
Show 15581-4152 BRR 14 289 0.6 123
Show 16005-4144 GHE 40 321 14.8 123
Show 16065-4027 RST1876 139 0.1 125
Show 16067-4038 B 2799 83 10.2 130
Show 15558-3742 SWR 187 354 7.9 131

 
 
WDS 15561-3952 : COMPONENTS
 
 
  A
B pa=322.9°
sep=26.64"
 
 
15561-3952 A
 
 
Componente originario normalizzato AB Name HD 142448 Coord arcsec 2000 155606.84-395151.6 Mag 6.03
Spectral class B6V (blue-white) PmRA 2.00 PmDE -16.0 SAO 207128
HIP 78046 Tycho2 7842-01329-1 HD 142448 HR 5918
GC 21377 CD CD-3910237 CP CP-39 6847
Tycho2
Tycho2 7842-01329-1 Pflag RAmdeg 239.02849906 DEmdeg -39.86436634
PmRA 4.6 PmDE -18.9 E RAmdeg 3 E DEmdeg 4
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.56 EpDEm 1991.08
Num 15 Q RAmdeg 1.0 Q DEmdeg 0.5 Q pmRA 0.9
Q pmDE 0.6 BTmag 6.185 E BTmag 0.014 VTmag 6.045
E VTmag 0.009 Prox 999 TYC T HIP 78046
CCDM RAdeg 239.02848556 DEdeg -39.86432111 EpRA 1990 1.77
EpDE 1990 1.41 E RAdeg 3.4 E DEdeg 3.9 Posflg
Corr 0.1
SAO
SAO 207128 DelFlag RA1950 PmRA1950 -0.0031
DE1950 PmDE1950 -0.02 Vmag 6.1 SpType B9
Double code Source 70 CatNum 21377 DM CD-3910237
DMcomp BDsup HD 142448 M HD 0
GC 21377 RA1950rad 4.15718378 DE1950rad -0.69322732 PmRA2000 -0.0031
PmDE2000 -0.018
Hipparcos
Catalog H HIP 78046 Proxy RAhms 15 56 06.84
DEdms -39 51 51.6 Vmag 6.04 VarFlag R Vmag H
RAdeg 239.028 DEdeg -39.8643 AstroRef Plx 5.16
CCDM 15561-3952 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 142448 BD
CD CD-3910237 CP CP-39 6847 Dm number -3910237 VIred 0.12
SpType B9V R SpType Coord arcsec 2000 155606.84-395151.6
Hipparcos 2
HIP 78046 Sn 5 So 0 Nc 1
RArad 4.1718340218 DErad -0.695763659 Plx 5.77 PmRA 3.02
PmDE -16.6 E RArad 0.36 E DErad 0.24 E Plx 0.42
E pmRA 0.47 E pmDE 0.39 Hpmag 6.0857 E Hpmag 0.0008
SHp 0.006 VA 0 BV 0.13 E BV 0.005
VI 0.14
CCDM
Ccdm 15561-3952 RComp Comp A Note1
Note2 Discov num DRAs 0.84 DDEs 8.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.1 Sp B9 PmNote *
PmRA 0 PmDE -22 Dm number -3910237 Cat1 CD
Name2 207128 Cat2 SAO HD 142448 M HD
ADS BDS M ADS BDS N IDS IDS 15494S3934A
HIC 78046
 
 
15561-3952 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 155605.44-395130.4 Mag 12 Calc delta mag 5.97
Calc coord yes
CCDM
Ccdm 15561-3952 RComp Comp B Note1
Note2 Discov num HDO 252 DRAs DDEs
R dRAs Year Theta 300 Rho 18.0
Obs Vmag 12.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 15494S3934B
HIC