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Doubles in session


Current system
12455-4552
HDS 1789 Aa,Ab
HD 110861


Nearby doubles
16' : 12464-4605
NZO 31AB

39' : 12484-4528
SKF1585

45' : 12413-4559
BRT 812

45' : 12455-4507
UC 2398

53' : 12418-4629
DON 546

55' : 12440-4459
HU 1496

62' : 12491-4504
TDS8538

65' : 12452-4656
HDS1787

65' : 12450-4656
TDS8513

65' : 12415-4642
TDS8488

67' : 12499-4505
PST 3

68' : 12436-4656
TDS8502

75' : 12525-4603
CPO 354

75' : 12474-4440
TVB 257

76' : 12523-4529
HU 1499

82' : 12530-4532
RST4967

85' : 12417-4706
SKF1121AB

86' : 12512-4652
HJ 4552

89' : 12453-4720
TDS8514

89' : 12409-4707
TDS8485

91' : 12457-4723
RSS 294

94' : 12392-4446
HJ 4536

96' : 12546-4559
UC 2430AB

96' : 12545-4608
B 2305

100' : 12547-4531
DON 564

101' : 12542-4635
HTS 27AB



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.

12455-4552 HDS 1789 Aa,Ab (HD 110861)

 
 
12h 45m 27.62s -45° 51' 45.2" P.A. 326.00 sep 0.1 mag 10.07,10.47 Sp G8V dist. 78.43 pc (255.84 l.y.)
 
 
Coord 2000 12455-4552 Discov num HDS1789 Comp Aa,Ab Coord arcsec 2000 12 45 27.62 -45 51 45.2
Date first 1991 Date last 2021 Obs 5
Pa first 52 Pa last 326 P.A. Now (θ) 0
Sep first 0.2 Sep last 0.094 Sep. Now (ρ) 0.107"
Mag pri 10.07 Mag sec 10.47 delta mag (ΔM) 0.4 Spectral class G8V (yellow)
Pri motion ra -051 Sec motion ra
Pri motion dec -061 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
12455-4552 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 110861 223647 12 45 28 -45 51 45 HDS 1789 Aa,Ab 2021 5 326 0.1 10.07 10.47 0.40 Y <===
Show 223647 12 45 28 -45 51 45 DON 554 AB 1948 3 313 1.3 10.07 13.60 3.53
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 110861 Constellation Centaurus SAO 223647 HIP 62252
Tycho2 8245-00584-1 Gaia DR2 6129293062999434240 HD 110861 CD CD-45 7991
CP CP-45 6023 Distance 78.43 Distance ly 255.84
 
 
ORBITAL ELEMENTS
 
 
Period (P)36.34y Periastron (T)2019.77y Semi-major axis (a)0.161a
Eccentricity (e)0.25 Inclination (i)38° Longitude of periastron (ω)239.1°
Node (Ω)63.8° Notes ReferenceTok2020g
Equinox2000 Last observation2020 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 106.2 0.177
2001 112.6 0.173
2002 119.3 0.169
2003 126.3 0.165
2004 133.7 0.160
2005 141.5 0.156
2006 149.7 0.153
2007 158.3 0.150
2008 167.1 0.148
2009 176.2 0.146
2010 185.4 0.146
2011 194.7 0.145
2012 204.0 0.145
2013 213.4 0.144
2014 222.9 0.142
2015 232.8 0.139
2016 243.3 0.134
2017 254.8 0.127
2018 267.8 0.118
2019 283.0 0.109
2020 300.9 0.101
2021 321.1 0.097
2022 341.5 0.099
2023 0.107
2024 15.5 0.118
2025 28.2 0.131
2026 38.6 0.143
2027 47.5 0.154
2028 55.2 0.164
2029 62.1 0.172
2030 68.6 0.177


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


 
  


wds12455-4552a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 12455-4552 HDS 1789 Aa,Ab (HD 110861) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2020g orb - Tokovinin, A. 2020IAUDS.201....1A
Tok2020g Inf. Circ. 201, 1, 2020
 
 
DISCOVERER
 
 
idgroup discov author
1 DON Donner, H.F.
6 HDS Hipparcos Double Star (from additional DD list)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12455-4552 HDS1789 Aa,Ab 1991 1 52 0.2 10.07 10.47 G8V 124527.62-455145.2
12455-4552 HDS1789 Aa,Ab 2018 2 270 0.1 10.07 10.47 G8V 124527.62-455145.2
12455-4552 HDS1789 Aa,Ab 2019 3 285 0.1 10.07 10.47 G8V 124527.62-455145.2
12455-4552 HDS1789 Aa,Ab 2020 4 303 0.1 10.07 10.47 G8V O 124527.62-455145.2
12455-4552 HDS1789 Aa,Ab 2021 5 326 0.1 10.07 10.47 G8V O 124527.62-455145.2

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

 
 
WDS 12455-4552 HDS 1789 Aa,Ab (HD 110861) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12455-4552 HDS 1789 Aa,Ab (HD 110861) : MEASURES
 
 
No records found.

 
 
WDS 12455-4552 (HD 110861) : VIRTUAL EYEPIECE
 
 

12455-4552 DON 554A mag 10.07 Sp G8V 12455-4552 HDS1789Ab sep 0.1 P.A. 334.80 mag 10.47 12455-4552 DON 554B sep 1.1 P.A. 323.20 mag 13.6 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 12455-4552 (HD 110861) : ALADIN DSS IMAGE @ 12h 45m 27.62s -45° 51' 45.2"
 
 
 
 
WDS 12455-4552 HDS 1789 Aa,Ab (HD 110861) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12455-4552 HDS1789Aa,Ab distance=0' 12464-4605 NZO 31AB distance=16' 12464-4605 I 9024AC distance=16' 12484-4528 SKF1585 distance=39' 12413-4559 BRT 812 distance=45' 12455-4507 UC 2398 distance=45' 12418-4629 DON 546 distance=53' 12440-4459 HU 1496 distance=55' 12491-4504 TDS8538 distance=62' 12452-4656 HDS1787 distance=65' 12450-4656 TDS8513 distance=65' 12415-4642 TDS8488 distance=65' 12499-4505 PST 3 distance=67' 12436-4656 TDS8502 distance=68' 12525-4603 CPO 354 distance=75' 12474-4440 TVB 257 distance=75' 12523-4529 HU 1499 distance=76' 12530-4532 RST4967 distance=82' 12417-4706 SKF1121BC distance=83' 12417-4706 SKF1121AB distance=85' 12512-4652 HJ 4552 distance=86' 12453-4720 TDS8514 distance=89' 12409-4707 TDS8485 distance=89' 12457-4723 RSS 294 distance=91' 12392-4446 HJ 4536 distance=94' 12546-4559 UC 2430AB distance=96' 12546-4559 KPP4377AC distance=96' 12545-4608 B 2305 distance=96' 12547-4531 DON 564 distance=100' 12542-4635 HTS 27AB distance=101' 12542-4635 HTS 27AC distance=101' 12542-4635 HTS 27AD distance=101' 12542-4635 HTS 27AE distance=101' 12542-4635 HTS 27AF distance=101' 12542-4635 HTS 27AG distance=101' 12542-4635 HTS 27AH distance=101' 12360-4619 DON 540 distance=103' 12413-4418 DON 545 distance=104' 12547-4508 B 1217AB distance=108' 12547-4508 B 1217AB,C distance=108' 12488-4737 HTS 17AB distance=111' 12488-4737 HTS 17AC distance=111' 12488-4737 HTS 17AD distance=111' 12488-4737 HTS 17AE distance=111' 12488-4737 HTS 17AF distance=111' 12488-4737 HTS 17AG distance=111' 12488-4737 HTS 17AH distance=111' 12488-4737 HTS 17AI distance=111' 12488-4737 HTS 17AJ distance=111' 12488-4737 HTS 17AK distance=111' 12488-4737 HTS 17AL distance=111' 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 12455-4552 HDS1789 Aa,Ab 326 0.1
Show 12455-4552 DON 554 AB 313 1.3
Show 12464-4605 NZO 31 AB 17 1.5 16
Show 12464-4605 I 9024 AC 215 24.5 16
Show 12484-4528 SKF1585 163 11.1 39
Show 12413-4559 BRT 812 290 4.0 45
Show 12455-4507 UC 2398 172 36.3 45
Show 12418-4629 DON 546 173 1.9 53
Show 12440-4459 HU 1496 308 2.6 55
Show 12491-4504 TDS8538 320 0.5 62
Show 12452-4656 HDS1787 279 0.1 65
Show 12450-4656 TDS8513 254 2.2 65
Show 12415-4642 TDS8488 231 0.5 65
Show 12499-4505 PST 3 15 11.3 67
Show 12436-4656 TDS8502 21 0.5 68
Show 12525-4603 CPO 354 282 8.6 75
Show 12474-4440 TVB 257 234 5.7 75
Show 12523-4529 HU 1499 288 1.6 76
Show 12530-4532 RST4967 193 0.2 82
Show 12417-4706 SKF1121 BC 143 13.8 83
Show 12417-4706 SKF1121 AB 341 130.9 85
Show 12512-4652 HJ 4552 314 29.0 86
Show 12453-4720 TDS8514 250 1.7 89
Show 12409-4707 TDS8485 187 3.3 89
Show 12457-4723 RSS 294 355 15.7 91
Show 12392-4446 HJ 4536 103 17.0 94
Show 12546-4559 UC 2430 AB 183 53.7 96
Show 12546-4559 KPP4377 AC 125 2.2 96
Show 12545-4608 B 2305 164 5.2 96
Show 12547-4531 DON 564 349 2.3 100
Show 12542-4635 HTS 27 AB 135 7.7 101
Show 12542-4635 HTS 27 AC 54 19.2 101
Show 12542-4635 HTS 27 AD 177 21.4 101
Show 12542-4635 HTS 27 AE 46 21.9 101
Show 12542-4635 HTS 27 AF 122 21.9 101
Show 12542-4635 HTS 27 AG 217 23.6 101
Show 12542-4635 HTS 27 AH 33 25.4 101
Show 12360-4619 DON 540 272 0.6 103
Show 12413-4418 DON 545 89 1.8 104
Show 12547-4508 B 1217 AB 265 0.4 108
Show 12547-4508 B 1217 AB,C 90 5.3 108
Show 12488-4737 HTS 17 AB 180 4.6 111
Show 12488-4737 HTS 17 AC 323 12.2 111
Show 12488-4737 HTS 17 AD 314 16.1 111
Show 12488-4737 HTS 17 AE 129 16.2 111
Show 12488-4737 HTS 17 AF 211 16.9 111
Show 12488-4737 HTS 17 AG 228 18.3 111
Show 12488-4737 HTS 17 AH 267 20.1 111
Show 12488-4737 HTS 17 AI 281 21.8 111
Show 12488-4737 HTS 17 AJ 146 23.3 111
Show 12488-4737 HTS 17 AK 52 23.4 111

 
 
WDS 12455-4552 : COMPONENTS
 
 
  A Ab
Ab pa=334.8°
sep=0.09"
 
B pa=323.2°
sep=1.11"
pa=322.2°
sep=1.02"
 
 
12455-4552 A
 
 
Coord arcsec 2000 124527.62-455145.2 Mag 10.07 Spectral class G8V (yellow) PmRA -51.00
PmDE -61.0 SAO 223647 HIP 62252 Tycho2 8245-00584-1
HD 110861 CD CD-45 7991 CP CP-45 6023
Tycho2
Tycho2 8245-00584-1 Pflag RAmdeg 191.36491346 DEmdeg -45.86271059
PmRA -48.1 PmDE -60.1 E RAmdeg 13 E DEmdeg 14
E pmRA 1.1 E pmDE 1.1 EpRAm 1988.22 EpDEm 1987.62
Num 7 Q RAmdeg 1.5 Q DEmdeg 0.9 Q pmRA 1.5
Q pmDE 0.9 BTmag 10.309 E BTmag 0.029 VTmag 9.411
E VTmag 0.020 Prox 961 TYC T HIP 62252
CCDM AC RAdeg 191.36506917 DEdeg -45.86257306 EpRA 1990 1.85
EpDE 1990 1.78 E RAdeg 13.9 E DEdeg 14.9 Posflg P
Corr 0.1
SAO
SAO 223647 DelFlag RA1950 PmRA1950 -0.0049
DE1950 PmDE1950 -0.072 Vmag 9.1 SpType G0
Double code Source 48 CatNum 10659 DM CP-45 6023
DMcomp BDsup HD 110861 M HD 0
GC RA1950rad 3.32782689 DE1950rad -0.79567239 PmRA2000 -0.0047
PmDE2000 -0.068
Hipparcos
Catalog H HIP 62252 Proxy H RAhms 12 45 27.62
DEdms -45 51 45.2 Vmag 9.36 VarFlag R Vmag H
RAdeg 191.365 DEdeg -45.8626 AstroRef * Plx 15.64
CCDM 12455-4552 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source S Qual C M HIP AC
Theta 52 Rho 0.16 HD 110861 BD
CD CD-45 7991 CP CP-45 6023 Dm number -45 7991 VIred 0.75
SpType G8V R SpType Coord arcsec 2000 124527.62-455145.2
Hipparcos 2
HIP 62252 Sn 55 So 3 Nc 2
RArad 3.3399508543 DErad -0.800452814 Plx 12.75 PmRA -50.4
PmDE -62.18 E RArad 1.18 E DErad 0.97 E Plx 1.56
E pmRA 1.23 E pmDE 0.87 Hpmag 9.4986 E Hpmag 0.0027
SHp 0.019 VA 0 BV 0.748 E BV 0.024
VI 0.79
CCDM
Ccdm 12455-4552 RComp Comp A Note1
Note2 Discov num DRAs -2.42 DDEs 14.2
R dRAs 82 Year Theta Rho
Obs 3 Vmag 10.1 Sp F8 PmNote
PmRA -51 PmDE -61 Dm number -45 7991 Cat1 CD
Name2 223647 Cat2 SAO HD 110861 M HD
ADS BDS M ADS BDS N IDS IDS 12398S4518A
HIC 62252
 
 
12455-4552 Ab
 
 
Coord arcsec 2000 124527.62-455145.1 Mag 10.47 Calc delta mag 0.4 Calc coord yes
 
 
12455-4552 B
 
 
Coord arcsec 2000 124527.56-455144.3 Mag 13.6 Calc delta mag 3.53 Calc coord yes
CCDM
Ccdm 12455-4552 RComp Comp B Note1
Note2 Discov num DON 554 DRAs DDEs
R dRAs Year 1929 Theta 312 Rho 1.2
Obs 3 Vmag 13.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 12398S4518B
HIC 62252