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Current system
12283-6146
RST 4499 BC


Nearby doubles
8' : 12289-6152
I 36

16' : 12264-6154
WFC 126

20' : 12288-6206
TDS8404

23' : 12312-6155
JNN 175AB

25' : 12301-6125
TDS8413

26' : 12295-6210
VVV 8

27' : 12252-6201
TOB 72

28' : 12304-6124
TDS 667

29' : 12323-6144
TOB 89

30' : 12324-6143
TOB 90

35' : 12236-6138
EVS 19AB

35' : 12298-6113
TDS8412

36' : 12236-6132
KPP 797

37' : 12240-6206
COO 137

38' : 12232-6158
TOB 65AB

40' : 12335-6200
TDS8434

43' : 12291-6228
I 1098

43' : 12307-6107
TDS8415

44' : 12293-6103
TDS8410

45' : 12310-6106
TDS8417

48' : 12320-6107
TOB 87

49' : 12351-6150
TOB 95

53' : 12223-6117
TOB 63AB

53' : 12342-6115
TDS8441

54' : 12268-6054
RST4498AB

54' : 12211-6203
TOB 57



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.

12283-6146 RST 4499 BC

 
 
12h 28m 16.80s -61° 45' 58.5" P.A. 32.00 sep 0.2 mag 8.80,8.80 Sp G3V dist. 48.38 pc (157.82 l.y.)
 
 
Coord 2000 12283-6146 Discov num RST4499 Comp BC Coord arcsec 2000 12 28 16.80 -61 45 58.5
Date first 1939 Date last 2021 Obs 24
Pa first 358 Pa last 31.5 P.A. Now (θ) 6.9°
Sep first 0.4 Sep last 0.184 Sep. Now (ρ) 0.204"
Mag pri 8.80 Mag sec 8.80 delta mag (ΔM) 0 Spectral class G3V (yellow)
Pri motion ra +100 Sec motion ra +083
Pri motion dec -170 Sec motion dec -150
Notes N O (See Notes, Orbital solution)
rPM=0.133 (< 0.3, Physical double)
This double is physical.
 
 
12283-6146 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 108500 251919 12 28 17 -61 45 56 CPO 12 A,BC 2021 54 184 2.2 7.32 8.24 0.92 Y
Show 251919 12 28 17 -61 45 56 RST 4499 AD 2016 5 331 7.9 7.32 13.70 6.38
Show 12 28 17 -61 45 58 RST 4499 BC 2021 24 32 0.2 8.80 8.80 0.00 Y <===
Quadruple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Crux HIP 60845 Tycho2 8975-03266-2 Gaia DR2 6054954738289909632
HD 108500 CP CP-61 3204 Distance 48.38 Distance ly 157.82
 
 
ORBITAL ELEMENTS
 
 
Period (P)28.2y± 0.2 Periastron (T)1990.2y± 0.3 Semi-major axis (a)0.221a± 0.003
Eccentricity (e)0.166± 0.009 Inclination (i)156.1°± 2.5 Longitude of periastron (ω)77.3°± 5.9
Node (Ω)162.8°± 6.5 Notes ReferenceTok2018h
Equinox2000 Last observation2018 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 309.0 0.238
2001 299.2 0.240
2002 289.4 0.239
2003 279.6 0.239
2004 269.7 0.237
2005 259.6 0.236
2006 249.4 0.234
2007 239.0 0.232
2008 228.5 0.231
2009 217.9 0.229
2010 207.0 0.226
2011 195.9 0.223
2012 184.4 0.219
2013 172.4 0.213
2014 159.5 0.205
2015 145.6 0.196
2016 130.2 0.186
2017 113.1 0.177
2018 94.4 0.171
2019 74.8 0.169
2020 55.5 0.173
2021 37.4 0.181
2022 21.3 0.192
2023 6.9 0.204
2024 354.0 0.214
2025 342.3 0.223
2026 331.4 0.230
2027 321.0 0.235
2028 311.0 0.238
2029 301.2 0.239
2030 291.4 0.240


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


 
  


wds12283-6146d.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 12283-6146 RST 4499 BC : NOTES
 
 
discov_num notes refcode
CPO 12 A,BC: A is SB, no orbit. AD can be physical. Moved by 1"in 40y (WDS),
while the PM implied 6" motion. Tok2014d
 
 
REFERENCES
 
 
refcode metd author reference
Tok2014d E2 - Tokovinin, A. 2014AJ....147...86T
Tok2014d AJ 147, 86, 2014
Tok2018h St j Tokovinin, A. 2018AJ....156..194T
Tok2018h +Hg AJ 156, 194, 2018
Tok2018h +orb
 
 
DISCOVERER
 
 
idgroup discov author
1 CPO Cape Observatory
6 RST Rossiter, R.A.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12283-6146 RST4499 BC 1996 12 169 0.2 8.80 8.80 O 122816.79-614555.2
12283-6146 RST4499 BC 2009 13 215 0.2 8.80 8.80 O 122816.79-614555.2
12283-6146 RST4499 BC 2013 16 171 0.2 8.80 8.80 G3V O 122816.79-614555.2
12283-6146 RST4499 BC 2015 17 143 0.2 8.80 8.80 G3V O 122816.79-614555.2
12283-6146 RST4499 BC 2017 19 104 0.2 8.80 8.80 G3V NO 122816.80-614558.5
12283-6146 RST4499 BC 2018 20 93 0.2 8.80 8.80 G3V NO 122816.80-614558.5
12283-6146 RST4499 BC 2019 22 61 0.2 8.80 8.80 G3V NO 122816.80-614558.5
12283-6146 RST4499 BC 2020 23 48 0.2 8.80 8.80 G3V NO 122816.80-614558.5
12283-6146 RST4499 BC 2021 24 32 0.2 8.80 8.80 G3V NO 122816.80-614558.5

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

 
 
WDS 12283-6146 RST 4499 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12283-6146 RST 4499 BC : MEASURES
 
 
No records found.

 
 
WDS 12283-6146 : VIRTUAL EYEPIECE
 
 

12283-6146 CPO 12A mag 7.32 Sp G3V 12283-6146 RST4499B sep 2.1 P.A. 195.80 mag 8.8 Sp G3V 12283-6146 RST4499C sep 1.9 P.A. 195.80 mag 8.8 12283-6146 RST4499D sep 7.1 P.A. 345.40 mag 13.7 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 12283-6146 : ALADIN DSS IMAGE @ 12h 28m 16.80s -61° 45' 58.5"
 
 
 
 
WDS 12283-6146 RST 4499 BC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12283-6146 RST4499BC distance=1' 12283-6146 CPO 12A,BC distance=1' 12283-6146 RST4499AD distance=1' 12289-6152 I 36 distance=8' 12264-6154 WFC 126 distance=16' 12288-6206 TDS8404 distance=20' 12312-6155 JNN 175AB distance=23' 12312-6155 JNN 175AC distance=23' 12312-6155 JNN 175AD distance=23' 12312-6155 JNN 175AE distance=23' 12312-6155 JNN 175AF distance=23' 12301-6125 TDS8413 distance=25' 12295-6210 VVV 8 distance=26' 12252-6201 TOB 72 distance=27' 12304-6124 TDS 667 distance=28' 12323-6144 TOB 89 distance=29' 12324-6143 TOB 90 distance=30' 12236-6138 EVS 19AB distance=35' 12236-6138 EVS 19AC distance=35' 12236-6138 EVS 19AD distance=35' 12298-6113 TDS8412 distance=35' 12236-6132 KPP 797 distance=36' 12240-6206 COO 137 distance=37' 12232-6158 TOB 65AB distance=38' 12232-6158 TOB 65AC distance=38' 12335-6200 TDS8434 distance=40' 12291-6228 I 1098 distance=43' 12307-6107 TDS8415 distance=43' 12293-6103 TDS8410 distance=44' 12310-6106 TDS8417 distance=45' 12320-6107 TOB 87 distance=48' 12351-6150 TOB 95 distance=49' 12223-6117 TOB 63AB distance=53' 12223-6117 TOB 63AC distance=53' 12223-6117 TOB 63AD distance=53' 12342-6115 TDS8441 distance=53' 12268-6054 RST4498AB distance=54' 12268-6054 DAM 577AC distance=54' 12211-6203 TOB 57 distance=54' 12358-6150 RST4503 distance=54' 12357-6130 TOB 96 distance=55' 12333-6103 TDS 669 distance=57' 12213-6217 EVS 18AB distance=58' 12213-6217 KRV 39AC distance=58' 12247-6238 TDS8369AB distance=58' 12247-6238 JSP 531AC distance=58' 12248-6053 I 512 distance=59' 12204-6130 TOB 54 distance=59' 12273-6047 R 200 distance=60' 12201-6132 TOB 148 distance=60' 12332-6057 B 802 distance=61' 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 12283-6146 RST4499 BC 32 0.2 1
Show 12283-6146 CPO 12 A,BC 184 2.2 1
Show 12283-6146 RST4499 AD 331 7.9 1
Show 12289-6152 I 36 325 21.6 8
Show 12264-6154 WFC 126 174 9.7 16
Show 12288-6206 TDS8404 117 0.9 20
Show 12312-6155 JNN 175 AB 115 0.1 23
Show 12312-6155 JNN 175 AC 101 2.4 23
Show 12312-6155 JNN 175 AD 106 4.3 23
Show 12312-6155 JNN 175 AE 83 2.7 23
Show 12312-6155 JNN 175 AF 83 4.9 23
Show 12301-6125 TDS8413 177 0.9 25
Show 12295-6210 VVV 8 57 13.1 26
Show 12252-6201 TOB 72 100 18.8 27
Show 12304-6124 TDS 667 84 2.3 28
Show 12323-6144 TOB 89 226 44.3 29
Show 12324-6143 TOB 90 215 13.2 30
Show 12236-6138 EVS 19 AB 345 1.9 35
Show 12236-6138 EVS 19 AC 302 7.7 35
Show 12236-6138 EVS 19 AD 200 24.1 35
Show 12298-6113 TDS8412 1.0 35
Show 12236-6132 KPP 797 333 6.9 36
Show 12240-6206 COO 137 342 9.7 37
Show 12232-6158 TOB 65 AB 148 24.0 38
Show 12232-6158 TOB 65 AC 190 26.5 38
Show 12335-6200 TDS8434 306 2.4 40
Show 12291-6228 I 1098 269 1.2 43
Show 12307-6107 TDS8415 341 0.6 43
Show 12293-6103 TDS8410 137 2.0 44
Show 12310-6106 TDS8417 56 0.6 45
Show 12320-6107 TOB 87 211 21.9 48
Show 12351-6150 TOB 95 71 38.1 49
Show 12223-6117 TOB 63 AB 242 16.4 53
Show 12223-6117 TOB 63 AC 169 24.7 53
Show 12223-6117 TOB 63 AD 133 51.5 53
Show 12342-6115 TDS8441 161 2.1 53
Show 12268-6054 RST4498 AB 248 2.3 54
Show 12268-6054 DAM 577 AC 227 7.8 54
Show 12211-6203 TOB 57 324 21.0 54
Show 12358-6150 RST4503 123 0.1 54
Show 12357-6130 TOB 96 95 42.3 55
Show 12333-6103 TDS 669 258 1.3 57
Show 12213-6217 EVS 18 AB 134 9.2 58
Show 12213-6217 KRV 39 AC 253 46.4 58
Show 12247-6238 TDS8369 AB 45 0.4 58
Show 12247-6238 JSP 531 AC 40 0.7 58
Show 12248-6053 I 512 278 1.0 59
Show 12204-6130 TOB 54 286 16.3 59
Show 12273-6047 R 200 137 2.5 60
Show 12201-6132 TOB 148 316 19.0 60
Show 12332-6057 B 802 175 0.5 61

 
 
WDS 12283-6146 : COMPONENTS
 
 
  A B C
B pa=195.8°
sep=2.08"
 
C pa=195.8°
sep=1.92"
pa=16.2°
sep=0.16"
 
D pa=345.4°
sep=7.13"
pa=352.1°
sep=8.98"
pa=351.7°
sep=8.83"
 
 
12283-6146 A
 
 
Name HD 108500 Coord arcsec 2000 122816.88-614556.5 Mag 7.32 Spectral class G3V (yellow)
PmRA 75.00 PmDE -159.0 SAO 251919 HIP 60845
Tycho2 8975-03266-1 HD 108500 GC 16993 CP CP-61 3204
Tycho2
Tycho2 8975-03266-1 Pflag P RAmdeg 187.07029746 DEmdeg -61.76580301
PmRA 83.1 PmDE -150.4 E RAmdeg 5 E DEmdeg 7
E pmRA 4.7 E pmDE 4.2 EpRAm 1991.85 EpDEm 1991.59
Num 3 Q RAmdeg 2.4 Q DEmdeg 0.7 Q pmRA 2.3
Q pmDE 0.7 BTmag 8.082 E BTmag 0.016 VTmag 7.323
E VTmag 0.012 Prox 20 TYC T HIP 60845
CCDM A RAdeg 187.06998528 DEdeg -61.76534667 EpRA 1990 1.87
EpDE 1990 1.63 E RAdeg 4.6 E DEdeg 6.9 Posflg
Corr 0.3
SAO
SAO 251919 DelFlag RA1950 PmRA1950 0.0074
DE1950 PmDE1950 -0.165 Vmag 6.5 SpType G0
Double code Source 70 CatNum 16993 DM CP-61 3204
DMcomp BDsup HD 108500 M HD 0
GC 16993 RA1950rad 3.25270681 DE1950rad -1.07315235 PmRA2000 0.0069
PmDE2000 -0.16
Hipparcos
Catalog H HIP 60845 Proxy H RAhms 12 28 16.79
DEdms -61 45 55.2 Vmag 6.82 VarFlag R Vmag G
RAdeg 187.07 DEdeg -61.7653 AstroRef A Plx 20.59
CCDM 12283-6146 N CCDM M Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 201 Rho 2.051 HD 108500 BD
CD CP CP-61 3204 Dm number -61 3204 VIred 0.73
SpType G3V R SpType Coord arcsec 2000 122816.79-614555.2
Hipparcos 2
HIP 60845 Sn 15 So 3 Nc 2
RArad 3.264986733 DErad -1.0780082501 Plx 20.67 PmRA 71.99
PmDE -158.7 E RArad 0.55 E DErad 0.65 E Plx 0.85
E pmRA 0.64 E pmDE 0.67 Hpmag 6.9465 E Hpmag 0.0011
SHp 0.012 VA 0 BV 0.67 E BV 0.015
VI 0.73
CCDM
Ccdm 12283-6146 RComp Comp A Note1
Note2 Discov num DRAs -1.54 DDEs 2.7
R dRAs 10 Year Theta Rho
Obs 4 Vmag 7.0 Sp G0 PmNote *
PmRA 50 PmDE -166 Dm number -61 3204 Cat1 CPD
Name2 251919 Cat2 SAO HD 108500 M HD
ADS BDS M ADS BDS N IDS IDS 12227S6112A
HIC 60845
 
 
12283-6146 B
 
 
Coord arcsec 2000 122816.80-614558.5 Mag 8.8 Spectral class G3V (yellow) PmRA 100.00
PmDE -170.0 Tycho2 8975-03266-2 Calc delta mag 1.48
Tycho2
Tycho2 8975-03266-2 Pflag P RAmdeg 187.07029746 DEmdeg -61.76580301
PmRA 83.1 PmDE -150.4 E RAmdeg 5 E DEmdeg 7
E pmRA 4.7 E pmDE 4.2 EpRAm 1991.85 EpDEm 1991.59
Num 3 Q RAmdeg 2.4 Q DEmdeg 0.7 Q pmRA 2.3
Q pmDE 0.7 BTmag 9.073 E BTmag 0.020 VTmag 8.235
E VTmag 0.015 Prox 20 TYC HIP 60845
CCDM B RAdeg 187.06956528 DEdeg -61.76587472 EpRA 1990 1.89
EpDE 1990 1.54 E RAdeg 6.3 E DEdeg 11.0 Posflg
Corr 0.3
CCDM
Ccdm 12283-6146 RComp Comp B Note1
Note2 Discov num CPO 12 DRAs DDEs
R dRAs Year 1960 Theta 221 Rho 1.9
Obs 25 Vmag 8.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 12227S6112B
HIC 60845
 
 
12283-6146 C
 
 
Coord arcsec 2000 122816.81-614558.3 Mag 8.8 PmRA 83.00 PmDE -150.0
Calc delta mag 1.48 Calc coord yes
CCDM
Ccdm 12283-6146 RComp B Comp C Note1
Note2 Discov num RST4499 DRAs DDEs
R dRAs Year 1960 Theta 311 Rho 0.3
Obs 4 Vmag 8.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 12227S6112C
HIC 60845
 
 
12283-6146 D
 
 
Coord arcsec 2000 122816.63-614549.6 Mag 13.7 Calc delta mag 6.38 Calc coord yes
CCDM
Ccdm 12283-6146 RComp Comp D Note1
Note2 Discov num RST4499 DRAs DDEs
R dRAs Year 1960 Theta 330 Rho 9.2
Obs 1 Vmag 13.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 12227S6112D
HIC 60845