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Current system
12428-5557
KOU 15
HD 110461


Nearby doubles
9' : 12418-5555
HDS1778

11' : 12416-5553
HU 1495AB

13' : 12443-5553
R 206

18' : 12408-5554
TDS8484

23' : 12413-5538
KPP 740

25' : 12435-5620
TDS8501

31' : 12421-5627
JSP 551AB

38' : 12470-5547
R 208AB

40' : 12381-5556
HLD 116AB

42' : 12385-5537
TOB 107

44' : 12464-5629
HJ 4548AB

51' : 12368-5600
KPP1151

53' : 12481-5626
JSP 558

58' : 12425-5655
TDS8492

60' : 12369-5629
JSP 543

60' : 12430-5656
TDS8496

61' : 12456-5653
TOB 120

65' : 12374-5511
RST2807

68' : 12470-5654
BRT2809

68' : 12502-5529
HDS1801

70' : 12448-5449
RST2812AB

72' : 12421-5446
FIN 200

77' : 12429-5441
TDS8494

79' : 12362-5652
HDS1768

79' : 12480-5702
TDS8527

82' : 12355-5651
RST2805



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.

12428-5557 KOU 15 (HD 110461)

 
 
12h 42m 49.80s -55° 56' 49.1" P.A. 211.00 sep 0.1 mag 6.49,7.46 Sp B9V dist. 108.46 pc (353.8 l.y.)
 
 
Coord 2000 12428-5557 Discov num KOU  15 Comp Coord arcsec 2000 12 42 49.80 -55 56 49.1
Date first 2000 Date last 2021 Obs 6
Pa first 13 Pa last 211 P.A. Now (θ) 211°
Sep first 0.2 Sep last 0.119 Sep. Now (ρ) 0.119"
Mag pri 6.49 Mag sec 7.46 delta mag (ΔM) 0.97 Spectral class B9V (blue-white)
Pri motion ra -035 Sec motion ra
Pri motion dec -017 Sec motion dec
Notes O K (Orbital solution, K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 110461 Constellation Crux SAO 240176 HIP 62026
Tycho2 8651-02435-1 Gaia DR2 6073279508288863744 HD 110461 HR 4832
GC 17288 CP CP-55 5194 Distance 108.46 Distance ly 353.8
 
 
ORBITAL ELEMENTS
 
 
Period (P)40y Periastron (T)2025.42y Semi-major axis (a)0.2a
Eccentricity (e)0.228 Inclination (i)113.3° Longitude of periastron (ω)188.9°
Node (Ω)5.8° Notes ReferenceTok2021f
Equinox Last observation2021 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 15.6 0.218
2001 12.8 0.229
2002 10.3 0.237
2003 7.9 0.243
2004 5.6 0.245
2005 3.2 0.244
2006 0.9 0.241
2007 358.4 0.234
2008 355.8 0.226
2009 352.9 0.214
2010 349.7 0.200
2011 346.0 0.184
2012 341.4 0.166
2013 335.7 0.146
2014 328.2 0.126
2015 317.9 0.107
2016 303.4 0.090
2017 283.7 0.079
2018 260.8 0.078
2019 240.0 0.087
2020 224.0 0.101
2021 212.4 0.118
2022 203.7 0.134
2023 196.7 0.146
2024 190.5 0.153
2025 184.7 0.154
2026 178.7 0.149
2027 172.0 0.137
2028 163.6 0.121
2029 152.3 0.102
2030 136.1 0.084


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds12428-5557a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 12428-5557 KOU 15 (HD 110461) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2021f orb - Tokovinin, A. 2021IAUDS.204....1T
Tok2021f Inf. Circ. 204, 1, 2021
 
 
DISCOVERER
 
 
idgroup discov author
1 KOU Kouwenhoven, M.B.N., Brown, A.G., Zinnecker, H., Kaper, L., & Portegies Zwart, S.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12428-5557 KOU 15 2000 1 13 0.2 6.49 7.46 V K 124249.80-555649.1
12428-5557 KOU 15 2018 2 254 0.1 6.49 7.46 B9V V K 124249.80-555649.1
12428-5557 KOU 15 2019 4 236 0.1 6.49 7.46 B9V V K 124249.80-555649.1
12428-5557 KOU 15 2020 5 223 0.1 6.49 7.46 B9V V K 124249.80-555649.1
12428-5557 KOU 15 2021 6 211 0.1 6.49 7.46 B9V V K 124249.80-555649.1

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

 
 
WDS 12428-5557 KOU 15 (HD 110461) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12428-5557 KOU 15 (HD 110461) : MEASURES
 
 
No records found.

 
 
WDS 12428-5557 (HD 110461) : VIRTUAL EYEPIECE
 
 

12428-5557 KOU 15A mag 6.49 Sp B9V 12428-5557 KOU 15B sep 0.1 P.A. 198.60 mag 7.46 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 12428-5557 (HD 110461) : ALADIN DSS IMAGE @ 12h 42m 49.80s -55° 56' 49.1"
 
 
 
 
WDS 12428-5557 KOU 15 (HD 110461) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12428-5557 KOU 15 distance=0' 12418-5555 HDS1778 distance=9' 12416-5553 HU 1495AB distance=11' 12416-5553 TOB 111AC distance=11' 12443-5553 R 206 distance=13' 12408-5554 TDS8484 distance=18' 12413-5538 KPP 740 distance=23' 12435-5620 TDS8501 distance=25' 12421-5627 JSP 551AB distance=31' 12421-5627 SIN 73AC distance=31' 12421-5627 DAM 580AD distance=31' 12470-5547 TDS8520Aa,Ab distance=38' 12470-5547 R 208AB distance=38' 12381-5556 HLD 116AB distance=40' 12381-5556 KOU 12AC distance=40' 12385-5537 TOB 107 distance=42' 12464-5629 HJ 4548AB distance=44' 12464-5629 SHT 46AC distance=44' 12464-5629 SHT 46AD distance=44' 12464-5629 SHT 46AE distance=44' 12368-5600 KPP1151 distance=51' 12481-5626 JSP 558 distance=53' 12425-5655 TDS8492 distance=58' 12369-5629 JSP 543 distance=60' 12430-5656 TDS8496 distance=60' 12456-5653 TOB 120 distance=61' 12374-5511 RST2807 distance=65' 12470-5654 BRT2809 distance=68' 12502-5529 HDS1801 distance=68' 12448-5449 RST2812AB distance=70' 12421-5446 FIN 200 distance=72' 12429-5441 TDS8494 distance=77' 12362-5652 HDS1768 distance=79' 12480-5702 TDS8527 distance=79' 12355-5651 RST2805 distance=82' 12489-5701 DAM2485 distance=82' 12446-5717 FIN 65AB distance=82' 12446-5717 KOU 16AC distance=82' 12446-5717 KOU 16AD distance=82' 12433-5432 RSS 292 distance=86' 12492-5705 TOB 125 distance=87' 12452-5721 SHY 65AB distance=87' 12452-5721 KPP3019AC distance=87' 12480-5713 RST2816 distance=88' 12335-5510 RST2803 distance=92' 12318-5607 I 219 distance=93' 12341-5657 BRT2808 distance=94' 12321-5629 TDS8425 distance=95' 12541-5558 RST2822 distance=96' 12333-5505 TDS8433AB distance=96' 12444-5421 JNN 177AB distance=98' 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 12428-5557 KOU 15 211 0.1
Show 12418-5555 HDS1778 262 0.1 9
Show 12416-5553 HU 1495 AB 91 1.0 11
Show 12416-5553 TOB 111 AC 83 19.3 11
Show 12443-5553 R 206 280 16.1 13
Show 12408-5554 TDS8484 90 0.7 18
Show 12413-5538 KPP 740 141 6.5 23
Show 12435-5620 TDS8501 190 1.1 25
Show 12421-5627 JSP 551 AB 193 6.7 31
Show 12421-5627 SIN 73 AC 284 60.2 31
Show 12421-5627 DAM 580 AD 165 15.1 31
Show 12470-5547 TDS8520 Aa,Ab 288 0.6 38
Show 12470-5547 R 208 AB 8 4.8 38
Show 12381-5556 HLD 116 AB 181 1.9 40
Show 12381-5556 KOU 12 AC 221 4.2 40
Show 12385-5537 TOB 107 5 27.5 42
Show 12464-5629 HJ 4548 AB 166 51.1 44
Show 12464-5629 SHT 46 AC 151 4.1 44
Show 12464-5629 SHT 46 AD 41 7.4 44
Show 12464-5629 SHT 46 AE 223 8.6 44
Show 12368-5600 KPP1151 185 9.0 51
Show 12481-5626 JSP 558 65 0.6 53
Show 12425-5655 TDS8492 180 0.7 58
Show 12369-5629 JSP 543 93 2.0 60
Show 12430-5656 TDS8496 334 0.8 60
Show 12456-5653 TOB 120 294 26.0 61
Show 12374-5511 RST2807 265 1.0 65
Show 12470-5654 BRT2809 353 12.2 68
Show 12502-5529 HDS1801 339 21.8 68
Show 12448-5449 RST2812 AB 61 1.8 70
Show 12421-5446 FIN 200 260 0.4 72
Show 12429-5441 TDS8494 173 0.6 77
Show 12362-5652 HDS1768 2 8.1 79
Show 12480-5702 TDS8527 171 4.1 79
Show 12355-5651 RST2805 80 0.8 82
Show 12489-5701 DAM2485 327 1.8 82
Show 12446-5717 FIN 65 AB 79 0.3 82
Show 12446-5717 KOU 16 AC 130 12.4 82
Show 12446-5717 KOU 16 AD 256 4.5 82
Show 12433-5432 RSS 292 335 22.5 86
Show 12492-5705 TOB 125 274 21.5 87
Show 12452-5721 SHY 65 AB 56 999.9 87
Show 12452-5721 KPP3019 AC 106 21.8 87
Show 12480-5713 RST2816 130 2.8 88
Show 12335-5510 RST2803 170 0.4 92
Show 12318-5607 I 219 50 1.8 93
Show 12341-5657 BRT2808 171 4.7 94
Show 12321-5629 TDS8425 73 0.6 95
Show 12541-5558 RST2822 98 0.4 96
Show 12333-5505 TDS8433 AB 5 1.9 96
Show 12444-5421 JNN 177 AB 290 3.0 98

 
 
WDS 12428-5557 : COMPONENTS
 
 
  A
B pa=198.6°
sep=0.11"
 
 
12428-5557 A
 
 
Componente originario normalizzato AB Name HD 110461 Coord arcsec 2000 124249.80-555649.1 Mag 6.49
Spectral class B9V (blue-white) PmRA -35.00 PmDE -17.0 SAO 240176
HIP 62026 Tycho2 8651-02435-1 HD 110461 HR 4832
GC 17288 CP CP-55 5194
Tycho2
Tycho2 8651-02435-1 Pflag RAmdeg 190.70733735 DEmdeg -55.94699435
PmRA -34.1 PmDE -14.5 E RAmdeg 3 E DEmdeg 3
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.32 EpDEm 1991.26
Num 14 Q RAmdeg 0.7 Q DEmdeg 0.7 Q pmRA 0.5
Q pmDE 0.7 BTmag 6.026 E BTmag 0.014 VTmag 6.052
E VTmag 0.009 Prox 999 TYC T HIP 62026
CCDM RAdeg 190.70748056 DEdeg -55.94696000 EpRA 1990 1.53
EpDE 1990 1.47 E RAdeg 3.2 E DEdeg 3.2 Posflg
Corr -0.4
SAO
SAO 240176 DelFlag RA1950 PmRA1950 -0.0052
DE1950 PmDE1950 -0.023 Vmag 6.2 SpType B9
Double code Source 70 CatNum 17288 DM CP-55 5194
DMcomp BDsup HD 110461 M HD 0
GC 17288 RA1950rad 3.31601515 DE1950rad -0.97167595 PmRA2000 -0.0056
PmDE2000 -0.019
Hipparcos
Catalog H HIP 62026 Proxy RAhms 12 42 49.80
DEdms -55 56 49.1 Vmag 6.06 VarFlag R Vmag H
RAdeg 190.707 DEdeg -55.947 AstroRef Plx 8.77
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 110461 BD
CD CP CP-55 5194 Dm number -55 5194 VIred 0
SpType B9V R SpType Coord arcsec 2000 124249.80-555649.1
Hipparcos 2
HIP 62026 Sn 5 So 0 Nc 1
RArad 3.3284734771 DErad -0.9764586758 Plx 9.22 PmRA -35.04
PmDE -16.55 E RArad 0.2 E DErad 0.24 E Plx 0.4
E pmRA 0.29 E pmDE 0.26 Hpmag 6.064 E Hpmag 0.0006
SHp 0.008 VA 0 BV -0.023 E BV 0.002
VI 0
 
 
12428-5557 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 124249.80-555649.2 Mag 7.46 Calc delta mag 0.97
Calc coord yes