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Doubles in session


Current system
15121-4501
I 238 AC


Nearby doubles
11' : 15128-4508
TRC 5

17' : 15116-4517
B 1267AB

28' : 15146-4451
CPO 417

32' : 15128-4430
SHT 59

38' : 15088-4517
SEE 219AB

43' : 15088-4436
SWR 168

47' : 15096-4539
DON 716

48' : 15087-4429
JNN 201AB

54' : 15071-4458
CPO 412

60' : 15069-4525
HDS2129

61' : 15070-4433
TDS9409

63' : 15153-4409
HDO 244

64' : 15150-4556
BRT 852AB

76' : 15140-4348
I 228

77' : 15070-4556
KPP 945

79' : 15107-4344
CPO 415AB

80' : 15080-4608
CPO 413

80' : 15189-4430
B 1280

88' : 15169-4612
CPO9197AB

92' : 15036-4515
TDS9387

94' : 15200-4423
BUG 12

94' : 15131-4328
DON 722

99' : 15186-4612
I 1267

100' : 15085-4328
KPP 338

102' : 15145-4323
DUN 179

102' : 15070-4627
TDS9410



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.

15121-4501 I 238 AC

 
 
15h 12m 04.32s -45° 00' 45.2" P.A. 316.00 sep 34.2 mag 7.94,12.90 Sp A0IV dist. 746.27 pc (2434.33 l.y.)
 
 
Coord 2000 15121-4501 Discov num I   238 Comp AC Coord arcsec 2000 15 12 04.32 -45 00 45.2
Date first 1901 Date last 2016 Obs 6
Pa first 310 Pa last 316.1 P.A. Now (θ) 316.1°
Sep first 20.0 Sep last 34.18 Sep. Now (ρ) 34.18"
Mag pri 7.94 Mag sec 12.90 delta mag (ΔM) 4.96 Spectral class A0IV (white)
Pri motion ra -004 Sec motion ra -010
Pri motion dec +000 Sec motion dec +001
Notes
rPM=0.605
Nature of this double is uncertain.
 
 
15121-4501 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 134557 225528 15 12 04 -45 00 45 I 238 AB 2016 8 136 3.2 7.94 11.16 3.22
Show 225528 15 12 04 -45 00 45 I 238 AC 2016 6 316 34.2 7.94 12.90 4.96 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lupus SAO 225528 HIP 74387 Tycho2 8294-02214-1
Gaia DR2 5904219012717550080 HD 134557 CD CD-44 9928 CP CP-44 7223
Distance 746.27 Distance ly 2434.33
 
 
WDS 15121-4501 I 238 AC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
I__1895 Ma - Innes, R.T.A. 1895MNRAS..55..312I
I__1895 +Mb MNRAS 55, 312,544, 1895
I__1896 Mb - Innes, R.T.A. 1896JBAA....6..261I
I__1896 J. British Astron. Assoc. 6, 261, 1896
I__1897a Ma - Innes, R.T.A. 1897MNRAS..57..533I
I__1897a MNRAS 57, 533, 1897 (data also in I__1897b, 1897AN....143..171I
I__1897a I__1897c) 1897AN....144...89I
I__1897b Ma - Innes, R.T.A. 1897AN....143..171I
I__1897b AN 143, 171, 1897
I__1897c Ma - Innes, R.T.A. 1897AN....144...89I
I__1897c AN 144, 89, 1897
I__1897d Ma - Innes, R.T.A. 1897AN....145...93I
I__1897d AN 145, 93, 1897
I__1897e Ma - Innes, R.T.A. 1897MNRAS..57..456I
I__1897e +Mb MNRAS 57, 456, 1897
I__1897f Ma - Innes, R.T.A. 1897MNRAS..58...48I
I__1897f MNRAS 58, 48, 1897
I__1897g Ma - Innes, R.T.A. 1897AJ.....18...65I
I__1897g AJ 18, 65, 1897
I__1898 Ma - Innes, R.T.A. 1898AN....146..369I
I__1898 AN 146, 369, 1898
I__1899 Ma - Innes, R.T.A. 1899QB4.C22v2......
I__1899 Ann. Cape Obs. 2, Pt.2, 1899 (Innes Reference Catalog)
I__1901 Ma - Innes, R.T.A. 1901MNRAS..61..575.
I__1901 MNRAS 61, 575, 1901 (data also in I__1905) 1905AnCap...2....4I
I__1902a Ma - Innes, R.T.A. 1902MNRAS..62..470I
I__1902a MNRAS 62, 470, 1902 (data also in I__1905) 1905AnCap...2....4I
I__1902b Ma - Innes, R.T.A. 1902MNRAS..63...76I
I__1902b MNRAS 63, 76, 1902 (some data also in I__1905) 1905AnCap...2....4I
I__1903 - Innes, R.T.A. 1903MNRAS..64..130I
I__1903 MNRAS 64, 130, 1903 (data also in I__1905) 1905AnCap...2....4I
I__1903b Ma - Innes, R.T.A. 1903Obs....26..285I
I__1903b Obs 26, 285, 1903 (some data also in I__1905) 1905AnCap...2....4I
I__1905 Ma - Innes, R.T.A. 1905AnCap...2....4I
I__1905 Ann. Cape Obs. 2, Pt.4, 1905
I__1907 Ma - Innes, R.T.A. 1907Obs....30...61I
I__1907 Obs 30, 61, 1907
I__1908 - Innes, R.T.A. 1908Obs....31..289I
I__1908 Obs 31, 289, 1908 (measures also in I__1909)
I__1909 Ma - Innes, R.T.A. .
I__1909 Transvaal Obs. Circ. 1, 1, 1909
I__1910 Ma - Innes, R.T.A. .
I__1910 Transvaal Obs. Circ. 1, 21, 1910
I__1911 Ma - Innes, R.T.A. .
I__1911 Transvaal Obs. Circ. 1, 61, 1911
I__1912 Ma - Innes, R.T.A. .
I__1912 Transvaal Obs. Circ. 1, 111, 1912
I__1913a Ma - Innes, R.T.A. 1913CiUO....4...31.
I__1913a Union Obs. Johannesburg Circ. 4, 31, 1913
I__1913b Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1913CiUO....4...31.
I__1913b Union Obs. Johannesburg Circ. 4, 31, 1913
I__1914 Ma - Innes, R.T.A. 1914CiUO...14...97.
I__1914 Union Obs. Johannesburg Circ. 14, 97, 1914
I__1915a Ma - Innes, R.T.A. 1915CiUO...24..185.
I__1915a Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915b Ma - Innes, R.T.A. (measure by Cox, G.W.) 1915CiUO...24..185.
I__1915b Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915c Ma - Innes, R.T.A. (measure by Johnson, E.L.) 1915CiUO...24..185.
I__1915c Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915d Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1915CiUO...24..185.
I__1915d Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915e - Innes, R.T.A. 1915Obs....38..221I
I__1915e Obs 38, 221, 1915 (measures also in I__1916) 1916CiUO...33..249I
I__1915f - Innes, R.T.A. 1915Obs....38..333I
I__1915f Obs 38, 333, 1915 (measures also in I__1915) 1915CiUO...24..185I
I__1916a Ma - Innes, R.T.A. 1916CiUO...33..249I
I__1916a Union Obs. Johannesburg Circ. 33, 249, 1916
I__1916b Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1916CiUO...33..249I
I__1916b Union Obs. Johannesburg Circ. 33, 249, 1916
I__1916c Ma - Innes, R.T.A. (measure by van der Spuy, K.) 1916CiUO...33..249I
I__1916c Union Obs. Johannesburg Circ. 33, 249, 1916
I__1917a Ma - Innes, R.T.A. 1917CiUO...37..285I
I__1917a Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917b Ma - Innes, R.T.A. (measure by Johnson, E.L.) 1917CiUO...37..285I
I__1917b Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917c Ma - Innes, R.T.A. (measure by van der Spuy, K.) 1917CiUO...37..285I
I__1917c Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917d Ma - Innes, R.T.A. (measure by Worssell, W.M.) 1917CiUO...37..285I
I__1917d Union Obs. Johannesburg Circ. 37, 285, 1917
I__1918 Ma - Innes, R.T.A. 1918CiUO...41..339I
I__1918 Union Obs. Johannesburg Circ. 41, 339, 1918
I__1927a Ma - Innes, R.T.A. 1927sdsc.book.....I
I__1927a +Po Southern Double Star Cat. 1927
I__1927b Ma - Innes, R.T.A. & van den Bos, W.H. 1927sdsc.book.....I
I__1927b Southern Double Star Cat. 1927
I__1932A Ma - Innes, R.T.A. 1932QB821.A43......
I__1932A cited in ADS (Aitken Double Star Cat.), 1932
I__1948a Ma - Innes, R.T.A. 1948CiUO..106..193I
I__1948a +Po Union Obs. Johannesburg Circ. 106, 193, 1948
I__1948b Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1948CiUO..106..193I
I__1948b Union Obs. Johannesburg Circ. 106, 193, 1948
I__9999 Ma - Innes, R.T.A. ...................
I__9999 +Mb 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
15121-4501 I 238 AC 1999 4 316 34.2 7.94 12.90 A0IV 151204.32-450045.2
15121-4501 I 238 AC 2000 2 316 34.2 7.94 12.80 151204.32-450045.2
15121-4501 I 238 AC 2016 6 316 34.2 7.94 12.90 A0IV 151204.32-450045.2

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

 
 
WDS 15121-4501 I 238 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 15121-4501 I 238 AC : MEASURES
 
 
No records found.

 
 
WDS 15121-4501 : VIRTUAL EYEPIECE
 
 

15121-4501 I 238A mag 7.94 Sp A0IV 15121-4501 I 238B sep 2.8 P.A. 146.10 mag 11.16 15121-4501 I 238C sep 29.8 P.A. 325.80 mag 12.9 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 15121-4501 : ALADIN DSS IMAGE @ 15h 12m 04.32s -45° 00' 45.2"
 
 
 
 
WDS 15121-4501 I 238 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

15121-4501 I 238AC distance=0' 15128-4508 TRC 5 distance=11' 15116-4517 B 1267AB distance=17' 15116-4517 DUN 178AC distance=17' 15146-4451 CPO 417 distance=28' 15128-4430 SHT 59 distance=32' 15088-4517 SEE 219AB distance=38' 15088-4517 TOK 8AC distance=38' 15088-4436 SWR 168 distance=43' 15096-4539 DON 716 distance=47' 15087-4429 JNN 201AB distance=48' 15071-4458 CPO 412 distance=54' 15069-4525 HDS2129 distance=60' 15070-4433 TDS9409 distance=61' 15153-4409 HDO 244 distance=63' 15150-4556 BRT 852AB distance=64' 15140-4348 I 228 distance=76' 15070-4556 KPP 945 distance=77' 15107-4344 CPO 415AB distance=79' 15107-4344 ARY 119AC distance=79' 15107-4344 CPO 415Aa,Ab distance=79' 15080-4608 CPO 413 distance=80' 15189-4430 B 1280 distance=80' 15169-4612 CPO9197AB distance=88' 15169-4612 CPO9197AC distance=88' 15169-4612 TOK 590AD distance=88' 15036-4515 TDS9387 distance=92' 15200-4423 BUG 12 distance=94' 15131-4328 DON 722 distance=94' 15186-4612 I 1267 distance=99' 15085-4328 KPP 338 distance=100' 15145-4323 DUN 179 distance=102' 15070-4627 TDS9410 distance=102' 15029-4532 HJ 4725 distance=102' 15139-4321 DAW 210 distance=102' 15150-4323 B 1275 distance=103' 15021-4519 KPP2573 distance=108' 15017-4512 CPO9191 distance=111' 15188-4627 CPO 420 distance=112' 15227-4441 COP 2AB distance=115' 15227-4441 DUN 182AC distance=115' 15227-4441 RIZ 13Aa,Ab distance=115' 15227-4441 RIZ 13AD distance=115' 15048-4335 DON 712 distance=116' 15141-4655 BRT 851 distance=116' 15232-4445 SKF1397 distance=120' 15226-4418 CPO9198 distance=120' 15117-4702 RST 746 distance=121' 15031-4618 WIS 280 distance=122' 15197-4330 KPP2660 distance=123' 15106-4259 SUB 5 distance=124' 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 15121-4501 I 238 AB 136 3.2
Show 15121-4501 I 238 AC 316 34.2
Show 15128-4508 TRC 5 136 5.6 11
Show 15116-4517 B 1267 AB 314 1.3 17
Show 15116-4517 DUN 178 AC 255 30.1 17
Show 15146-4451 CPO 417 320 3.3 28
Show 15128-4430 SHT 59 120 5.5 32
Show 15088-4517 SEE 219 AB 143 0.1 38
Show 15088-4517 TOK 8 AC 229 6.6 38
Show 15088-4436 SWR 168 142 31.2 43
Show 15096-4539 DON 716 301 1.7 47
Show 15087-4429 JNN 201 AB 211 1.8 48
Show 15071-4458 CPO 412 210 4.6 54
Show 15069-4525 HDS2129 73 0.4 60
Show 15070-4433 TDS9409 287 10.0 61
Show 15153-4409 HDO 244 40 14.0 63
Show 15150-4556 BRT 852 AB 174 3.1 64
Show 15140-4348 I 228 13 1.2 76
Show 15070-4556 KPP 945 169 7.8 77
Show 15107-4344 CPO 415 AB 20 49.7 79
Show 15107-4344 ARY 119 AC 162 34.1 79
Show 15107-4344 CPO 415 Aa,Ab 268 1.4 79
Show 15080-4608 CPO 413 217 4.7 80
Show 15189-4430 B 1280 300 0.8 80
Show 15169-4612 CPO9197 AB 223 10.2 88
Show 15169-4612 CPO9197 AC 314 12.5 88
Show 15169-4612 TOK 590 AD 324 999.9 88
Show 15036-4515 TDS9387 307 0.5 92
Show 15200-4423 BUG 12 22 1.0 94
Show 15131-4328 DON 722 108 1.7 94
Show 15186-4612 I 1267 54 0.5 99
Show 15085-4328 KPP 338 306 4.9 100
Show 15145-4323 DUN 179 46 10.4 102
Show 15070-4627 TDS9410 279 0.6 102
Show 15029-4532 HJ 4725 253 13.8 102
Show 15139-4321 DAW 210 225 16.3 102
Show 15150-4323 B 1275 57 2.0 103
Show 15021-4519 KPP2573 159 23.3 108
Show 15017-4512 CPO9191 239 5.3 111
Show 15188-4627 CPO 420 64 4.9 112
Show 15227-4441 COP 2 AB 24 0.2 115
Show 15227-4441 DUN 182 AC 168 26.2 115
Show 15227-4441 RIZ 13 Aa,Ab 25 0.1 115
Show 15227-4441 RIZ 13 AD 190 38.9 115
Show 15048-4335 DON 712 278 0.4 116
Show 15141-4655 BRT 851 206 6.7 116
Show 15232-4445 SKF1397 343 36.5 120
Show 15226-4418 CPO9198 133 13.1 120
Show 15117-4702 RST 746 7 2.7 121
Show 15031-4618 WIS 280 136 999.9 122
Show 15197-4330 KPP2660 133 24.9 123

 
 
WDS 15121-4501 : COMPONENTS
 
 
  A B
B pa=146.1°
sep=2.76"
 
C pa=325.8°
sep=29.79"
pa=325.8°
sep=32.55"
 
 
15121-4501 A
 
 
Name HD 134557 Coord arcsec 2000 151204.32-450045.2 Mag 7.94 Spectral class A0IV (white)
PmRA 0.00 PmDE 0.0 SAO 225528 HIP 74387
Tycho2 8294-02214-1 HD 134557 GC 20419 CD CD-44 9928
CP CP-44 7223
Tycho2
Tycho2 8294-02214-1 Pflag RAmdeg 228.01801840 DEmdeg -45.01256523
PmRA -0.1 PmDE 0.1 E RAmdeg 5 E DEmdeg 5
E pmRA 1.7 E pmDE 1.6 EpRAm 1991.50 EpDEm 1991.51
Num 4 Q RAmdeg 0.2 Q DEmdeg 0.6 Q pmRA 0.2
Q pmDE 0.6 BTmag 7.967 E BTmag 0.016 VTmag 7.939
E VTmag 0.012 Prox 31 TYC T HIP 74387
CCDM A RAdeg 228.01801861 DEdeg -45.01256556 EpRA 1990 1.60
EpDE 1990 1.62 E RAdeg 5.1 E DEdeg 5.2 Posflg
Corr 0.3
SAO
SAO 225528 DelFlag RA1950 PmRA1950 -0.0027
DE1950 PmDE1950 0.013 Vmag 8 SpType B9
Double code Source 70 CatNum 20419 DM CD-44 9928
DMcomp BDsup HD 134557 M HD 0
GC 20419 RA1950rad 3.96489324 DE1950rad -0.78233099 PmRA2000 -0.0027
PmDE2000 0.016
Hipparcos
Catalog H HIP 74387 Proxy H RAhms 15 12 04.32
DEdms -45 00 45.2 Vmag 7.89 VarFlag R Vmag G
RAdeg 228.018 DEdeg -45.0126 AstroRef A Plx 3.7
CCDM 15121-4501 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 137 Rho 3.136 HD 134557 BD
CD CD-44 9928 CP CP-44 7223 Dm number -44 9928 VIred 0.06
SpType A0IV R SpType Coord arcsec 2000 151204.32-450045.2
Hipparcos 2
HIP 74387 Sn 15 So 3 Nc 2
RArad 3.9796651443 DErad -0.7856174566 Plx 1.34 PmRA -1.39
PmDE -4.99 E RArad 0.56 E DErad 0.55 E Plx 0.8
E pmRA 0.7 E pmDE 0.84 Hpmag 7.9174 E Hpmag 0.0011
SHp 0.009 VA 0 BV 0.04 E BV 0.015
VI 0.06
CCDM
Ccdm 15121-4501 RComp Comp A Note1
Note2 Discov num DRAs -1.60 DDEs 13.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.0 Sp B9 PmNote *
PmRA 9 PmDE -24 Dm number -44 9928 Cat1 CD
Name2 225528 Cat2 SAO HD 134557 M HD
ADS BDS M ADS BDS N IDS IDS 15053S4438A
HIC 74387
 
 
15121-4501 B
 
 
Coord arcsec 2000 151204.47-450047.5 Mag 11.16 PmRA -1.00 PmDE -5.0
Calc delta mag 3.22 Calc coord yes
CCDM
Ccdm 15121-4501 RComp Comp B Note1
Note2 Discov num I 238 DRAs DDEs
R dRAs Year 1901 Theta 139 Rho 3.2
Obs 3 Vmag 11.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 15053S4438B
HIC 74387
 
 
15121-4501 C
 
 
Coord arcsec 2000 151202.74-450020.6 Mag 12.9 PmRA -10.00 PmDE 1.0
Calc delta mag 4.96 Calc coord yes