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Doubles in session


Current system
22228-2937
HDS 3172
HD 212146


Nearby doubles
22' : 22212-2940
LDS5945

72' : 22173-2943
RST2195

80' : 22263-2832
LDS2942

92' : 22238-2807
LDS4963

97' : 22302-2924
HDS3188

99' : 22233-3116
RST2197

101' : 22289-3039
B 1399

104' : 22290-3042
TDT3539

104' : 22187-2809
SEE 471

105' : 22294-2840
SEE 474AB

109' : 22241-2750
UC 4736

112' : 22211-3126
HDS3166

114' : 22151-3032
UC 4696

118' : 22187-2752
LDS5943

120' : 22158-3055
PRO 235

125' : 22299-3101
HDS3187

128' : 22194-2737
RST1128

133' : 22193-3142
B 1398

136' : 22164-2751
UC 4701

136' : 22310-3102
UC 4757

146' : 22328-2833
HJ 3120

153' : 22330-3052
UC 4764

156' : 22341-2846
RST1138

160' : 22345-3027
LDS2948

163' : 22105-3006
MNK 4

164' : 22281-2709
SHN 260



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.

22228-2937 HDS 3172 (HD 212146)

 
 
22h 22m 47.28s -29° 37' 10.0" P.A. 344.00 sep 0.1 mag 8.46,10.69 Sp G6V dist. 39.2 pc (127.87 l.y.)
 
 
Coord 2000 22228-2937 Discov num HDS3172 Comp Coord arcsec 2000 22 22 47.28 -29 37 10.0
Date first 1991 Date last 2021 Obs 23
Pa first 345 Pa last 344.4 P.A. Now (θ) 339.1°
Sep first 0.2 Sep last 0.109 Sep. Now (ρ) 0.166"
Mag pri 8.46 Mag sec 10.69 delta mag (ΔM) 2.23 Spectral class G6V (yellow)
Pri motion ra +441 Sec motion ra
Pri motion dec -116 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 212146 Constellation Piscis Austrinus SAO 191095 HIP 110483
Tycho2 6968-00370-1 HD 212146 CD CD-3019122 CP CP-30 6628
Distance 39.2 Distance ly 127.87
 
 
ORBITAL ELEMENTS
 
 
Period (P)10.51y± 0.25 Periastron (T)2017.374y± 0.069 Semi-major axis (a)0.1444a± 0.0031
Eccentricity (e)0.288± 0.023 Inclination (i)97.4°± 0.5 Longitude of periastron (ω)325.7°± 3.1
Node (Ω)155.4°± 0.4 Notes ReferenceTok2017b
Equinox2000 Last observation Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 352.7 0.070
2001 343.1 0.128
2002 339.1 0.166
2003 336.2 0.176
2004 333.0 0.153
2005 327.1 0.092
2006 221.8 0.016
2007 158.9 0.093
2008 150.8 0.101
2009 133.6 0.048
2010 10.3 0.037
2011 346.6 0.100
2012 340.9 0.150
2013 337.6 0.175
2014 334.7 0.170
2015 330.8 0.128
2016 317.5 0.048
2017 167.1 0.056
2018 154.8 0.108
2019 145.5 0.079
2020 87.4 0.022
2021 353.0 0.069
2022 343.2 0.127
2023 339.1 0.166
2024 336.2 0.177
2025 333.1 0.154
2026 327.3 0.093
2027 229.2 0.015
2028 159.1 0.092
2029 151.0 0.102
2030 134.4 0.049


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


 
  


wds22228-2937e.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 22228-2937 HDS 3172 (HD 212146) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2017b orb j Tokovinin, A. 2017AJ....154..110T
Tok2017b AJ 154, 110, 2017
 
 
DISCOVERER
 
 
idgroup discov author
1 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
22228-2937 HDS3172 1991 1 345 0.2 8.46 10.69 G6V 222246.99-293709.1
22228-2937 HDS3172 2008 2 324 0.1 8.46 10.69 G6V 222246.99-293709.1
22228-2937 HDS3172 2010 5 348 0.1 8.46 10.69 G6V D 222246.99-293709.1
22228-2937 HDS3172 2013 8 335 0.2 8.46 10.69 G6V 222246.99-293709.1
22228-2937 HDS3172 2014 9 333 0.1 8.46 10.69 G6V 222246.99-293709.1
22228-2937 HDS3172 2015 13 322 0.1 8.46 10.69 G6V 222246.99-293709.1
22228-2937 HDS3172 2017 18 162 0.1 8.46 10.69 G6V 222247.28-293710.0
22228-2937 HDS3172 2018 20 152 0.1 8.46 10.69 G6V O 222247.28-293710.0
22228-2937 HDS3172 2019 21 140 0.1 8.46 10.69 G6V O 222247.28-293710.0
22228-2937 HDS3172 2020 22 356 0.0 8.46 10.69 G6V O 222247.28-293710.0
22228-2937 HDS3172 2021 23 344 0.1 8.46 10.69 G6V O 222247.28-293710.0

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

 
 
WDS 22228-2937 HDS 3172 (HD 212146) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 22228-2937 HDS 3172 (HD 212146) : MEASURES
 
 
No records found.

 
 
WDS 22228-2937 (HD 212146) : VIRTUAL EYEPIECE
 
 

22228-2937 HDS3172A mag 8.46 Sp G6V 22228-2937 HDS3172B sep 0.1 P.A. 346.40 mag 10.69 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 22228-2937 (HD 212146) : ALADIN DSS IMAGE @ 22h 22m 47.28s -29° 37' 10.0"
 
 
 
 
WDS 22228-2937 HDS 3172 (HD 212146) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

22228-2937 HDS3172 distance=0' 22212-2940 LDS5945 distance=22' 22173-2943 RST2195 distance=72' 22263-2832 LDS2942 distance=80' 22238-2807 LDS4963 distance=92' 22302-2924 HDS3188 distance=97' 22233-3116 RST2197 distance=99' 22289-3039 B 1399 distance=101' 22290-3042 TDT3539 distance=104' 22187-2809 SEE 471 distance=104' 22294-2840 SEE 474AB distance=105' 22294-2840 H N 34AB,C distance=105' 22241-2750 UC 4736 distance=109' 22211-3126 HDS3166 distance=112' 22151-3032 UC 4696 distance=114' 22187-2752 LDS5943 distance=118' 22158-3055 PRO 235 distance=120' 22299-3101 HDS3187 distance=125' 22194-2737 RST1128 distance=128' 22193-3142 B 1398 distance=133' 22164-2751 UC 4701 distance=136' 22310-3102 UC 4757 distance=136' 22328-2833 HJ 3120 distance=146' 22330-3052 UC 4764 distance=153' 22341-2846 RST1138 distance=156' 22345-3027 LDS2948 distance=160' 22105-3006 MNK 4 distance=163' 22281-2709 SHN 260 distance=164' 22199-2653 RST1129 distance=169' 22109-3045 WSP 124 distance=169' 22223-3227 LDS5947AB distance=171' 22131-2735 NSN 471 distance=177' 22249-3236 KPP2093 distance=181' 22150-3210 B 1397AB distance=183' 22150-3210 SKF2104AB,C distance=183' 22104-3105 KPP1489 distance=184' 22170-3224 LDS5942 distance=184' 22123-3142 TVB 324 distance=185' 22146-3212 B 1396 distance=188' 22357-2808 HDS3208Aa,Ab distance=192' 22357-2808 SHY 352AB distance=192' 22115-2730 BRT3105 distance=196' 22315-3221 PZ 7AC distance=199' 22315-3221 EHR 18AB distance=199' 22123-3204 SKF2103 distance=200' 22373-2836 UC 4779 distance=201' 22166-2635 TDT3439 distance=201' 22351-2734 B 566 distance=204' 22384-2922 LDS2951 distance=205' 22075-3026 LDS4944 distance=205' 22241-2612 UC 4735 distance=207' 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 22228-2937 HDS3172 344 0.1
Show 22212-2940 LDS5945 187 18.6 22
Show 22173-2943 RST2195 341 1.0 72
Show 22263-2832 LDS2942 244 5.0 80
Show 22238-2807 LDS4963 309 2.4 92
Show 22302-2924 HDS3188 186 0.7 97
Show 22233-3116 RST2197 178 3.3 99
Show 22289-3039 B 1399 156 4.9 101
Show 22290-3042 TDT3539 121 0.5 104
Show 22187-2809 SEE 471 35 4.9 104
Show 22294-2840 SEE 474 AB 272 0.6 105
Show 22294-2840 H N 34 AB,C 298 34.6 105
Show 22241-2750 UC 4736 269 21.0 109
Show 22211-3126 HDS3166 336 0.2 112
Show 22151-3032 UC 4696 323 62.3 114
Show 22187-2752 LDS5943 341 384.5 118
Show 22158-3055 PRO 235 17.6 120
Show 22299-3101 HDS3187 194 0.2 125
Show 22194-2737 RST1128 298 0.9 128
Show 22193-3142 B 1398 154 3.8 133
Show 22164-2751 UC 4701 53 28.7 136
Show 22310-3102 UC 4757 49 19.0 136
Show 22328-2833 HJ 3120 156 20.2 146
Show 22330-3052 UC 4764 157 15.9 153
Show 22341-2846 RST1138 339 2.2 156
Show 22345-3027 LDS2948 9 261.1 160
Show 22105-3006 MNK 4 299 3.4 163
Show 22281-2709 SHN 260 -1 0.1 164
Show 22199-2653 RST1129 177 2.7 169
Show 22109-3045 WSP 124 346 19.1 169
Show 22223-3227 LDS5947 AB 283 180.5 171
Show 22131-2735 NSN 471 337 1.4 177
Show 22249-3236 KPP2093 22 16.9 181
Show 22150-3210 B 1397 AB 5 0.2 183
Show 22150-3210 SKF2104 AB,C 321 16.6 183
Show 22104-3105 KPP1489 166 11.2 184
Show 22170-3224 LDS5942 345 378.0 184
Show 22123-3142 TVB 324 116 25.3 185
Show 22146-3212 B 1396 218 1.8 188
Show 22357-2808 HDS3208 Aa,Ab 77 0.0 192
Show 22357-2808 SHY 352 AB 221 999.9 192
Show 22115-2730 BRT3105 111 5.2 196
Show 22315-3221 PZ 7 AC 172 30.4 199
Show 22315-3221 EHR 18 AB 316 9.5 199
Show 22123-3204 SKF2103 31 30.7 200
Show 22373-2836 UC 4779 314 13.7 201
Show 22166-2635 TDT3439 88 0.7 201
Show 22351-2734 B 566 125 3.6 204
Show 22384-2922 LDS2951 137 14.6 205
Show 22075-3026 LDS4944 33 24.4 205
Show 22241-2612 UC 4735 92 9.3 207

 
 
WDS 22228-2937 : COMPONENTS
 
 
  A
B pa=346.4°
sep=0.11"
 
 
22228-2937 A
 
 
Componente originario normalizzato AB Name HD 212146 Coord arcsec 2000 222247.28-293710.0 Mag 8.46
Spectral class G6V (yellow) PmRA 441.00 PmDE -116.0 SAO 191095
HIP 110483 Tycho2 6968-00370-1 HD 212146 CD CD-3019122
CP CP-30 6628
Tycho2
Tycho2 6968-00370-1 Pflag RAmdeg 335.69701315 DEmdeg -29.61948523
PmRA 437.0 PmDE -117.0 E RAmdeg 6 E DEmdeg 7
E pmRA 1.8 E pmDE 1.4 EpRAm 1991.38 EpDEm 1990.74
Num 10 Q RAmdeg 0.8 Q DEmdeg 1.1 Q pmRA 0.9
Q pmDE 1.2 BTmag 9.134 E BTmag 0.017 VTmag 8.290
E VTmag 0.012 Prox 999 TYC T HIP 110483
CCDM AB RAdeg 335.69584639 DEdeg -29.61921000 EpRA 1990 1.64
EpDE 1990 1.54 E RAdeg 6.0 E DEdeg 6.7 Posflg P
Corr -0.3
SAO
SAO 191095 DelFlag RA1950 PmRA1950 0.0355
DE1950 PmDE1950 -0.056 Vmag 8.3 SpType G5
Double code Source 40 CatNum 12153 DM CD-3019122
DMcomp BDsup HD 212146 M HD 0
GC RA1950rad 5.84655455 DE1950rad -0.52133904 PmRA2000 0.0354
PmDE2000 -0.059
Hipparcos
Catalog H HIP 110483 Proxy H RAhms 22 22 46.99
DEdms -29 37 09.1 Vmag 8.19 VarFlag R Vmag G
RAdeg 335.696 DEdeg -29.6192 AstroRef * Plx 26.07
CCDM 22228-2937 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual B M HIP AB
Theta 345 Rho 0.153 HD 212146 BD
CD CD-3019122 CP CP-30 6628 Dm number -3019122 VIred 0.8
SpType G6V R SpType Coord arcsec 2000 222246.99-293709.1
Hipparcos 2
HIP 110483 Sn 55 So 3 Nc 2
RArad 5.8589967841 DErad -0.5169525598 Plx 25.51 PmRA 439.62
PmDE -117.33 E RArad 0.92 E DErad 0.66 E Plx 1.22
E pmRA 1.12 E pmDE 0.73 Hpmag 8.3329 E Hpmag 0.0013
SHp 0.012 VA 0 BV 0.752 E BV 0.004
VI 0.8
CCDM
Ccdm 22228-2937 RComp Comp A Note1
Note2 Discov num DRAs -0.72 DDEs -10.1
R dRAs 82 Year Theta Rho
Obs 2 Vmag 8.5 Sp G6 PmNote *
PmRA 441 PmDE -116 Dm number -3019122 Cat1 CD
Name2 191095 Cat2 SAO HD 212146 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 110483
 
 
22228-2937 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 222247.28-293709.9 Mag 10.69 Calc delta mag 2.23
Calc coord yes
CCDM
Ccdm 22228-2937 RComp Comp B Note1
Note2 Discov num HDS DRAs -0.73 DDEs -10.0
R dRAs 82 Year 1991 Theta 345 Rho 0.2
Obs 1 Vmag 10.7 Sp PmNote *
PmRA 441 PmDE -116 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 110483