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Current system
15227-4441
RIZ 13 AD


Nearby doubles
7' : 15232-4445
SKF1397

24' : 15226-4418
CPO9198

34' : 15200-4423
BUG 12

42' : 15189-4430
B 1280

44' : 15254-4409
KPP 745

72' : 15280-4525
DON 733

79' : 15197-4330
KPP2660

80' : 15299-4506
B 2355

83' : 15301-4508
B 1293

85' : 15222-4605
CPO 425

85' : 15246-4319
B 1289

86' : 15153-4409
HDO 244

88' : 15146-4451
CPO 417

88' : 15201-4318
BRT 853

97' : 15308-4525
KOU 37AB

98' : 15229-4304
DAM1453

101' : 15186-4612
I 1267

101' : 15224-4301
LDS 525

106' : 15128-4430
SHT 59

108' : 15284-4610
HDS2176AB

108' : 15140-4348
I 228

108' : 15128-4508
TRC 5

110' : 15169-4612
CPO9197AB

111' : 15150-4556
BRT 852AB

113' : 15332-4443
DON 741

114' : 15188-4627
CPO 420



Selections
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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.

15227-4441 RIZ 13 AD

 
 
15h 22m 40.89s -44° 41' 22.5" P.A. 190.00 sep 38.9 mag 3.37,16.20 Sp B2IV-V dist. 156.99 pc (512.1 l.y.)
 
 
Coord 2000 15227-4441 Discov num RIZ  13 Comp AD Coord arcsec 2000 15 22 40.89 -44 41 22.5
Date first 1999 Date last 2016 Obs 3
Pa first 190 Pa last 189.9 P.A. Now (θ) 189.9°
Sep first 40.0 Sep last 38.88 Sep. Now (ρ) 38.88"
Mag pri 3.37 Mag sec 16.20 delta mag (ΔM) 12.83 Spectral class B2IV-V (blue-white)
Pri motion ra -023 Sec motion ra
Pri motion dec -019 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
15227-4441 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 225712 15 22 41 -44 41 22 RIZ 13 Aa,Ab 2010 1 25 0.1 3.60 5.10 1.50
Show 225712 15 22 41 -44 41 22 COP 2 AB 2021 47 24 0.2 3.56 5.04 1.48 Y
Show Eps Lup 225712 15 22 41 -44 41 22 DUN 182 AC 2020 26 168 26.2 3.56 9.10 5.54
Show 225712 15 22 41 -44 41 22 RIZ 13 AD 2016 3 190 38.9 3.37 16.20 12.83 <===
Quintuple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lupus SAO 225712 HIP 75264 Tycho2 7847-02505-1
Gaia DR2 6000130236633865856 HD 136504 HR 5708 GC 20659
CD CD-4410066 CP CP-44 7342 Bayer Epsilon Lupi Bayer name Eps Lup
Distance 156.99 Distance ly 512.1 Bayer greek ε Lup
 
 
WDS 15227-4441 RIZ 13 AD : NOTES
 
 
discov_num notes refcode
COP 2 eps Lup. A is a spectroscopic binary.
 
 
REFERENCES
 
 
refcode metd author reference
Cop1875A Ma - Copeland, R. 1875AN.....85..323D
Cop1875A cited by Doberck, 1875 (see Dob1875b,f,g,h)
Cop1886 Ma - Copeland, R. 1886Obs.....9..304C
Cop1886 Obs. 9, 304, 1886
Cop1896A orb - Copeland, R. 1896QB421.S5.......
Cop1896A cited by See (Evolution of Stellar Systems, v1, 1896)
Cop1897A Ma j Copeland, R. 1897AN....144..413S
Cop1897A cited by See (AN 144, 413, 1897)
Cop1906A Ma j Copeland, R. .
Cop1906A cited by Burnham (via Skf2013)
Cop1937A Ma - Copeland, R. 1937AnLei..18....1S
Cop1937A cited by Strand (Ann. Sterrew. Leiden 18, 1937)
Dun1829 Ma - Dunlop, J. 1829MmRAS...3..257D
Dun1829 MemRAS 3, 257, 1829
Dun1829 some measures corrected in LRR2022
Riz2013 Ks j Rizzuto, A.C., Ireland, M.J., Robertson, J.G., Kok, Y., Tuthill, P.G., 2013MNRAS.436.1694R
Riz2013 +E2 Warrington, B.A., Haubois, X., Tango, W.J., Norris, B., ten Brummelaar, T.,
Riz2013 Kraus, A.L., Jacob, A., & Laliberte-Houdeville, C.
Riz2013 MNRAS 436, 1694, 2013
Riz2020 Am+ j Rizzuto, A.C., Dupuy, T.J., Ireland, M.J. & Kraus, A.L. 2020ApJ...889..175R
Riz2020 +H3+ ApJ 889, 175, 2020
Riz2020 +orb
Riz2020 +not
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15227-4441 RIZ 13 AD 1999 1 190 40.0 3.37 16.20 B2IV-V N 152240.89-444122.5
15227-4441 RIZ 13 AD 2016 3 190 38.9 3.37 16.20 B2IV-V N 152240.89-444122.5

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

 
 
WDS 15227-4441 RIZ 13 AD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 15227-4441 RIZ 13 AD : MEASURES
 
 
No records found.

 
 
WDS 15227-4441 : VIRTUAL EYEPIECE
 
 

15227-4441 COP 2A mag 3.56 Sp B2IV 15227-4441 RIZ 13Ab mag 5.1 Sp V 15227-4441 COP 2B sep 0.1 P.A. 17.50 mag 5.04 Sp V 15227-4441 DUN 182C sep 25.9 P.A. 171.30 mag 9.1 Sp V 15227-4441 RIZ 13D sep 38.6 P.A. 187.10 mag 16.2 Sp V 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 15227-4441 : ALADIN DSS IMAGE @ 15h 22m 40.89s -44° 41' 22.5"
 
 
 
 
WDS 15227-4441 RIZ 13 AD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

15227-4441 RIZ 13AD distance=0' 15232-4445 SKF1397 distance=7' 15226-4418 CPO9198 distance=24' 15200-4423 BUG 12 distance=34' 15189-4430 B 1280 distance=42' 15254-4409 KPP 745 distance=44' 15280-4525 DON 733 distance=72' 15197-4330 KPP2660 distance=79' 15299-4506 B 2355 distance=80' 15301-4508 B 1293 distance=83' 15222-4605 CPO 425 distance=85' 15246-4319 B 1289 distance=85' 15153-4409 HDO 244 distance=86' 15146-4451 CPO 417 distance=88' 15201-4318 BRT 853 distance=88' 15308-4525 KOU 37AB distance=97' 15308-4525 KOU 37AC distance=97' 15229-4304 DAM1453 distance=98' 15186-4612 I 1267 distance=101' 15224-4301 LDS 525 distance=101' 15128-4430 SHT 59 distance=106' 15284-4610 HDS2176AB distance=108' 15284-4610 SKF 946AC distance=108' 15284-4610 SKF 946AD distance=108' 15140-4348 I 228 distance=108' 15128-4508 TRC 5 distance=108' 15169-4612 CPO9197AB distance=110' 15169-4612 CPO9197AC distance=110' 15169-4612 TOK 590AD distance=110' 15150-4556 BRT 852AB distance=111' 15332-4443 DON 741 distance=113' 15188-4627 CPO 420 distance=114' 15150-4323 B 1275 distance=114' 15121-4501 I 238AB distance=115' 15121-4501 I 238AC distance=115' 15263-4252 DUN 184AB distance=117' 15145-4323 DUN 179 distance=118' 15116-4517 B 1267AB distance=123' 15116-4517 DUN 178AC distance=123' 15139-4321 DAW 210 distance=124' 15343-4456 BRT 857 distance=125' 15344-4449 BRT 858 distance=125' 15245-4645 HDS2168 distance=125' 15315-4319 DON 738 distance=126' 15249-4645 CPO 429 distance=127' 15131-4328 DON 722 distance=128' 15333-4340 CPO9199 distance=130' 15275-4243 KPP 345 distance=130' 15190-4236 DON 729 distance=133' 15298-4248 DON 736 distance=137' 15205-4226 HU 1514 distance=138' 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 15227-4441 COP 2 AB 24 0.2
Show 15227-4441 DUN 182 AC 168 26.2
Show 15227-4441 RIZ 13 Aa,Ab 25 0.1
Show 15227-4441 RIZ 13 AD 190 38.9
Show 15232-4445 SKF1397 343 36.5 7
Show 15226-4418 CPO9198 133 13.1 24
Show 15200-4423 BUG 12 22 1.0 34
Show 15189-4430 B 1280 300 0.8 42
Show 15254-4409 KPP 745 114 6.5 44
Show 15280-4525 DON 733 304 2.1 72
Show 15197-4330 KPP2660 133 24.9 79
Show 15299-4506 B 2355 269 1.5 80
Show 15301-4508 B 1293 74 2.7 83
Show 15222-4605 CPO 425 16 42.8 85
Show 15246-4319 B 1289 49 3.4 85
Show 15153-4409 HDO 244 40 14.0 86
Show 15146-4451 CPO 417 320 3.3 88
Show 15201-4318 BRT 853 8 3.4 88
Show 15308-4525 KOU 37 AB 106 5.6 97
Show 15308-4525 KOU 37 AC 228 9.1 97
Show 15229-4304 DAM1453 182 1.7 98
Show 15186-4612 I 1267 54 0.5 101
Show 15224-4301 LDS 525 90 11.0 101
Show 15128-4430 SHT 59 120 5.5 106
Show 15284-4610 HDS2176 AB 89 4.8 108
Show 15284-4610 SKF 946 AC 9 6.1 108
Show 15284-4610 SKF 946 AD 62 13.8 108
Show 15140-4348 I 228 13 1.2 108
Show 15128-4508 TRC 5 136 5.6 108
Show 15169-4612 CPO9197 AB 223 10.2 110
Show 15169-4612 CPO9197 AC 314 12.5 110
Show 15169-4612 TOK 590 AD 324 999.9 110
Show 15150-4556 BRT 852 AB 174 3.1 111
Show 15332-4443 DON 741 345 0.8 113
Show 15188-4627 CPO 420 64 4.9 114
Show 15150-4323 B 1275 57 2.0 114
Show 15121-4501 I 238 AB 136 3.2 115
Show 15121-4501 I 238 AC 316 34.2 115
Show 15263-4252 DUN 184 AB 97 21.3 117
Show 15145-4323 DUN 179 46 10.4 118
Show 15116-4517 B 1267 AB 314 1.3 123
Show 15116-4517 DUN 178 AC 255 30.1 123
Show 15139-4321 DAW 210 225 16.3 124
Show 15343-4456 BRT 857 21 4.8 125
Show 15344-4449 BRT 858 167 5.2 125
Show 15245-4645 HDS2168 10 8.1 125
Show 15315-4319 DON 738 64 3.1 126
Show 15249-4645 CPO 429 284 4.9 127
Show 15131-4328 DON 722 108 1.7 128
Show 15333-4340 CPO9199 4 3.8 130
Show 15275-4243 KPP 345 111 3.8 130

 
 
WDS 15227-4441 : COMPONENTS
 
 
  A Ab B C
Ab pa=18.0°
sep=0.05"
 
B pa=17.5°
sep=0.15"
pa=17.2°
sep=0.10"
 
C pa=171.3°
sep=25.88"
pa=171.3°
sep=25.92"
pa=171.4°
sep=26.01"
 
D pa=187.1°
sep=38.59"
pa=187.1°
sep=38.64"
pa=187.1°
sep=38.74"
pa=214.3°
sep=15.40"
 
 
15227-4441 A
 
 
Coord arcsec 2000 152240.89-444122.5 Mag 3.56 Spectral class B2IV (blue-white) PmRA -14.00
PmDE -18.0 SAO 225712 HIP 75264 Tycho2 7847-02505-1
HD 136504 HR 5708 GC 20659 CD CD-4410066
CP CP-44 7342 Bayer Epsilon Lupi Bayer name Eps Lup
Tycho2
Tycho2 7847-02505-1 Pflag RAmdeg 230.67030565 DEmdeg -44.68962812
PmRA -17.9 PmDE -23.4 E RAmdeg 3 E DEmdeg 3
E pmRA 1.0 E pmDE 1.3 EpRAm 1991.40 EpDEm 1991.42
Num 9 Q RAmdeg 1.3 Q DEmdeg 1.3 Q pmRA 1.3
Q pmDE 1.5 BTmag 3.142 E BTmag 0.014 VTmag 3.337
E VTmag 0.009 Prox 999 TYC T HIP 75264
CCDM AB RAdeg 230.67036472 DEdeg -44.68957278 EpRA 1990 1.61
EpDE 1990 1.51 E RAdeg 3.2 E DEdeg 3.3 Posflg P
Corr 0.3
SAO
SAO 225712 DelFlag RA1950 PmRA1950 -0.0018
DE1950 PmDE1950 -0.015 Vmag 3.7 SpType B3
Double code Source 70 CatNum 20659 DM CD-4410066
DMcomp BDsup HD 136504 M HD 0
GC 20659 RA1950rad 4.01109479 DE1950rad -0.77686644 PmRA2000 -0.0018
PmDE2000 -0.013
Hipparcos
Catalog H HIP 75264 Proxy H RAhms 15 22 40.89
DEdms -44 41 22.5 Vmag 3.37 VarFlag R Vmag G
RAdeg 230.67 DEdeg -44.6896 AstroRef * Plx 6.47
CCDM 15227-4441 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 180 Rho 0.266 HD 136504 BD
CD CD-4410066 CP CP-44 7342 Dm number -4410066 VIred -0.2
SpType B2IV-V R SpType Coord arcsec 2000 152240.89-444122.5
Hipparcos 2
HIP 75264 Sn 57 So 3 Nc 2
RArad 4.0259573134 DErad -0.7799801258 Plx 6.37 PmRA -22.86
PmDE -18.87 E RArad 0.49 E DErad 0.45 E Plx 0.7
E pmRA 0.67 E pmDE 0.59 Hpmag 3.3138 E Hpmag 0.0006
SHp 0.006 VA 0 BV -0.191 E BV 0.016
VI -0.2
CCDM
Ccdm 15227-4441 RComp Comp A Note1
Note2 Discov num DRAs -1.14 DDEs -22.0
R dRAs 10 Year Theta Rho
Obs 3 Vmag 4.0 Sp B3 PmNote *
PmRA -18 PmDE -16 Dm number -4410066 Cat1 CD
Name2 225712 Cat2 SAO HD 136504 M HD
ADS BDS M ADS BDS N IDS IDS 15159S4420A
HIC 75264
 
 
15227-4441 Ab
 
 
Coord arcsec 2000 152240.89-444122.5 Mag 5.1 Spectral class V Calc delta mag 1.5
Calc coord yes
 
 
15227-4441 B
 
 
Coord arcsec 2000 152240.89-444122.4 Mag 5.04 Spectral class V Calc delta mag 1.44
Calc coord yes
CCDM
Ccdm 15227-4441 RComp Comp B Note1
Note2 Discov num DRAs DDEs
R dRAs Year 1960 Theta 247 Rho 0.6
Obs 21 Vmag 5.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N N IDS IDS 15159S4420B
HIC 75264
 
 
15227-4441 C
 
 
Coord arcsec 2000 152241.26-444148.1 Mag 9.1 Spectral class V Calc delta mag 5.5
Calc coord yes
CCDM
Ccdm 15227-4441 RComp Comp C Note1
Note2 Discov num DUN 182 DRAs -0.57 DDEs -47.1
R dRAs 10 Year 1955 Theta 171 Rho 26.5
Obs 9 Vmag 9.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 15159S4420C
HIC
 
 
15227-4441 D
 
 
Coord arcsec 2000 152240.44-444200.8 Mag 16.2 Spectral class V Calc delta mag 12.6
Calc coord yes