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Doubles in session


Current system
21440-5720
JC 25 AB
HD 206428


Nearby doubles
10' : 21444-5728
KPP3074

21' : 21420-5706
KPP1729

31' : 21466-5742
FIN 283

35' : 21408-5742
UC 4523

35' : 21411-5744
B 2497

35' : 21435-5754
HJ 5286

50' : 21423-5807
KPP4244

53' : 21386-5750
TDT3079

55' : 21392-5641
KPP 572

64' : 21506-5647
HU 1633

78' : 21504-5818
HDS3109AB

80' : 21362-5632
UC 4506AB

97' : 21473-5852
HDS3104

100' : 21562-5716
UC 4605

108' : 21408-5535
TDT3103

109' : 21324-5626
UC 4489

115' : 21552-5831
TDT3243

130' : 21472-5512
RST1108

131' : 21571-5606
UC 4610

132' : 21537-5535
TDT3221

136' : 21354-5523
HJ 5276

140' : 21516-5925
HU 1634

145' : 21419-5456
BRT3189

147' : 21293-5849
TDT2990

148' : 22022-5717
B 2899

148' : 22009-5628
I 338



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.

21440-5720 JC 25 AB (HD 206428)

 
 
21h 43m 59.16s -57° 19' 30.4" P.A. 4.00 sep 152.3 mag 6.54,6.90 Sp F7IV+F6IV dist. 45.5 pc (148.42 l.y.)
 
 
Coord 2000 21440-5720 Discov num JC   25 Comp AB Coord arcsec 2000 21 43 59.16 -57 19 30.4
Date first 1845 Date last 2016 Obs 18
Pa first 5 Pa last 4.1 P.A. Now (θ) 4.1°
Sep first 152.2 Sep last 152.285 Sep. Now (ρ) 152.285"
Mag pri 6.54 Mag sec 6.90 delta mag (ΔM) 0.36 Spectral class F7IV+F6IV (yellow-white/yellow-white)
Pri motion ra -117 Sec motion ra -115
Pri motion dec -053 Sec motion dec -053
Notes N T (See Notes, Parallax indicates physical)
rPM=0.016 (< 0.3, Physical double)
This double is physical.
 
 
21440-5720 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 206428 247151 21 43 59 -57 19 30 JC 25 AB 2016 18 4 152.3 6.54 6.90 0.36 <===
Show 247151 21 43 59 -57 19 30 JC 25 AC 1999 15 214 187.0 6.54 7.47 0.93
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 206428 Constellation Indus SAO 247151 HIP 107299
Tycho2 8815-01330-1 Gaia DR2 6458951765971500672 HD 206428 GC 30397
CP CP-57 9940 Distance 45.5 Distance ly 148.42
 
 
WDS 21440-5720 JC 25 AB (HD 206428) : NOTES
 
 
discov_num notes refcode
JC 25 AB: B is CPD-57@9941. Spectral type F6/8IV/V.
AB: SHY 344. Bayesian analysis by Shaya & Olling (2011) indicates very Shy2011
high (near 100%) probability pair is physical.
 
 
REFERENCES
 
 
refcode metd author reference
Shy2011 - Shaya, E.J. & Olling, R. 2011ApJS..192....2S
Shy2011 ApJS 192, 2, 2011
Shy2011 (Statistical analysis of probability that wide Hipparcos pairs are physical. Pairs
Shy2011 added to WDS only if probability 90% or greater.)
 
 
DISCOVERER
 
 
idgroup discov author
1 JC Jacob, W.S.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21440-5720 JC 25 AB 1999 11 4 152.3 6.54 6.90 F5/7IV/V N D 214359.16-571930.4
21440-5720 JC 25 AB 2015 16 4 152.3 6.54 6.90 F5/7IV/V NVW 214359.16-571930.4
21440-5720 JC 25 AB 2016 18 4 152.3 6.54 6.90 F7IV+F6IV NT 214359.16-571930.4

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

 
 
WDS 21440-5720 JC 25 AB (HD 206428) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21440-5720 JC 25 AB (HD 206428) : MEASURES
 
 
No records found.

 
 
WDS 21440-5720 (HD 206428) : VIRTUAL EYEPIECE
 
 

21440-5720 JC 25A mag 6.54 Sp F7IV 21440-5720 JC 25B sep 152.0 P.A. 2.20 mag 6.9 Sp F6IV 21440-5720 JC 25C sep 165.2 P.A. 199.90 mag 7.47 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 21440-5720 (HD 206428) : ALADIN DSS IMAGE @ 21h 43m 59.16s -57° 19' 30.4"
 
 
 
 
WDS 21440-5720 JC 25 AB (HD 206428) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21440-5720 JC 25AB distance=0' 21444-5728 KPP3074 distance=10' 21420-5706 KPP1729 distance=21' 21466-5742 FIN 283 distance=31' 21408-5742 UC 4523 distance=35' 21411-5744 B 2497 distance=35' 21435-5754 HJ 5286 distance=35' 21423-5807 KPP4244 distance=50' 21386-5750 TDT3079 distance=53' 21392-5641 KPP 572 distance=55' 21506-5647 HU 1633 distance=64' 21504-5818 HDS3109AB distance=78' 21362-5632 UC 4506AB distance=80' 21473-5852 HDS3104 distance=97' 21562-5716 UC 4605 distance=100' 21408-5535 TDT3103 distance=108' 21324-5626 UC 4489 distance=109' 21552-5831 TDT3243 distance=115' 21472-5512 RST1108 distance=130' 21571-5606 UC 4610 distance=131' 21537-5535 TDT3221 distance=132' 21354-5523 HJ 5276 distance=136' 21516-5925 HU 1634 distance=140' 21419-5456 BRT3189 distance=145' 21293-5849 TDT2990 distance=147' 22022-5717 B 2899 distance=148' 22009-5628 I 338 distance=148' 21509-5939 HDS3111 distance=150' 21577-5538 TDT3262 distance=152' 21249-5732 GAO 3 distance=155' 21563-5921 HJ 5300BC distance=156' 21563-5921 HJ 5300AB distance=156' 21357-5942 TOK 732 distance=157' 21484-5446 RST1109 distance=159' 21425-6000 HDS3091 distance=161' 22034-5647 SOZ 1AB distance=162' 21566-5514 TDT3251 distance=164' 21323-5936 HU 1631 distance=165' 21553-5505 RST5557 distance=165' 21570-5928 B 545AB distance=165' 21418-5435 TDT3113 distance=166' 21444-6013 BAU 68BC distance=174' 21444-6013 BAU 68BD distance=174' 21444-6013 HJ 5294AB distance=174' 21444-6013 BAU 68AC distance=174' 21444-6013 BAU 68AD distance=174' 21254-5856 B 527 distance=177' 21278-5922 TOK 731 distance=177' 21358-5435 RST5554 distance=179' 21302-5942 B 1391 distance=179' 21462-5419 LDS 754AB distance=180' 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 21440-5720 JC 25 AB 4 152.3
Show 21440-5720 JC 25 AC 214 187.0
Show 21444-5728 KPP3074 201 2.0 10
Show 21420-5706 KPP1729 177 13.4 21
Show 21466-5742 FIN 283 136 0.2 31
Show 21408-5742 UC 4523 226 34.4 35
Show 21411-5744 B 2497 234 9.9 35
Show 21435-5754 HJ 5286 87 8.1 35
Show 21423-5807 KPP4244 92 2.4 50
Show 21386-5750 TDT3079 289 0.6 53
Show 21392-5641 KPP 572 65 5.3 55
Show 21506-5647 HU 1633 323 1.6 64
Show 21504-5818 HDS3109 AB 301 0.1 78
Show 21362-5632 UC 4506 AB 69 60.9 80
Show 21473-5852 HDS3104 182 0.3 97
Show 21562-5716 UC 4605 292 31.6 100
Show 21408-5535 TDT3103 68 0.5 108
Show 21324-5626 UC 4489 24 17.7 109
Show 21552-5831 TDT3243 107 1.0 115
Show 21472-5512 RST1108 104 1.6 130
Show 21571-5606 UC 4610 161 43.6 131
Show 21537-5535 TDT3221 100 0.7 132
Show 21354-5523 HJ 5276 31 13.5 136
Show 21516-5925 HU 1634 256 2.0 140
Show 21419-5456 BRT3189 293 4.5 145
Show 21293-5849 TDT2990 359 0.6 147
Show 22022-5717 B 2899 219 7.9 148
Show 22009-5628 I 338 289 0.9 148
Show 21509-5939 HDS3111 189 0.2 150
Show 21577-5538 TDT3262 333 1.7 152
Show 21249-5732 GAO 3 50 35.7 155
Show 21563-5921 HJ 5300 BC 273 7.3 156
Show 21563-5921 HJ 5300 AB 34 25.5 156
Show 21357-5942 TOK 732 189 0.7 157
Show 21484-5446 RST1109 101 2.8 159
Show 21425-6000 HDS3091 69 0.7 161
Show 22034-5647 SOZ 1 AB 88 403.1 162
Show 21566-5514 TDT3251 298 0.5 164
Show 21323-5936 HU 1631 195 1.0 165
Show 21553-5505 RST5557 218 0.6 165
Show 21570-5928 B 545 AB 195 4.0 165
Show 21418-5435 TDT3113 301 0.5 166
Show 21444-6013 BAU 68 BC 161 28.6 174
Show 21444-6013 BAU 68 BD 124 40.6 174
Show 21444-6013 HJ 5294 AB 12 8.5 174
Show 21444-6013 BAU 68 AC 150 21.7 174
Show 21444-6013 BAU 68 AD 112 38.2 174
Show 21254-5856 B 527 248 4.9 177
Show 21278-5922 TOK 731 238 0.0 177
Show 21358-5435 RST5554 254 1.2 179
Show 21302-5942 B 1391 236 1.2 179

 
 
WDS 21440-5720 : COMPONENTS
 
 
  A B
B pa=2.2°
sep=152.01"
 
C pa=199.9°
sep=165.25"
pa=191.4°
sep=313.52"
 
 
21440-5720 A
 
 
Name HD 206429 Coord arcsec 2000 214359.16-571930.4 Mag 6.54 Spectral class F7IV (yellow-white)
PmRA -117.00 PmDE -53.0 SAO 247151 HIP 107299
Tycho2 8815-01330-1 HD 206429 GC 30397 CP CP-57 9940
Tycho2
Tycho2 8815-01330-1 Pflag RAmdeg 325.99596131 DEmdeg -57.32524430
PmRA -115.4 PmDE -51.7 E RAmdeg 3 E DEmdeg 4
E pmRA 1.5 E pmDE 1.3 EpRAm 1991.61 EpDEm 1991.05
Num 14 Q RAmdeg 0.7 Q DEmdeg 1.2 Q pmRA 0.7
Q pmDE 1.2 BTmag 7.048 E BTmag 0.015 VTmag 6.537
E VTmag 0.010 Prox 999 TYC T HIP 107299
CCDM RAdeg 325.99645306 DEdeg -57.32512028 EpRA 1990 1.72
EpDE 1990 1.35 E RAdeg 3.4 E DEdeg 3.9 Posflg
Corr 0.1
SAO
SAO 247151 DelFlag RA1950 PmRA1950 -0.0141
DE1950 PmDE1950 -0.047 Vmag 6.8 SpType G0
Double code Source 70 CatNum 30397 DM CP-57 9940
DMcomp BDsup HD 206429 M HD 0
GC 30397 RA1950rad 5.67425626 DE1950rad -1.00450926 PmRA2000 -0.0145
PmDE2000 -0.052
Hipparcos
Catalog H HIP 107299 Proxy RAhms 21 43 59.16
DEdms -57 19 30.4 Vmag 6.49 VarFlag R Vmag H
RAdeg 325.996 DEdeg -57.3251 AstroRef Plx 23.05
CCDM 21439-5719 N CCDM I Nsys 3 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 206429 BD
CD CP CP-57 9940 Dm number -57 9940 VIred 0.55
SpType F7IV/V R SpType Coord arcsec 2000 214359.16-571930.4
Hipparcos 2
HIP 107299 Sn 5 So 0 Nc 1
RArad 5.6897120286 DErad -1.0005120718 Plx 21.98 PmRA -117.1
PmDE -52.37 E RArad 0.33 E DErad 0.23 E Plx 0.44
E pmRA 0.47 E pmDE 0.26 Hpmag 6.6002 E Hpmag 0.0006
SHp 0.008 VA 0 BV 0.484 E BV 0.005
VI 0.56
 
 
21440-5720 B
 
 
Coord arcsec 2000 214359.89-571658.5 Mag 6.9 Spectral class F6IV (yellow-white) PmRA -115.00
PmDE -53.0 SAO 247153 HIP 107300 Tycho2 8815-00006-1
HD 206428 GC 30399 CP CP-57 9941 Calc delta mag 0.36
Calc coord yes
Tycho2
Tycho2 8815-00006-1 Pflag RAmdeg 326.00157486 DEmdeg -57.28305389
PmRA -112.8 PmDE -53.7 E RAmdeg 4 E DEmdeg 4
E pmRA 1.6 E pmDE 1.3 EpRAm 1991.57 EpDEm 1991.08
Num 13 Q RAmdeg 0.8 Q DEmdeg 1.0 Q pmRA 0.8
Q pmDE 0.9 BTmag 7.405 E BTmag 0.015 VTmag 6.898
E VTmag 0.010 Prox 999 TYC T HIP 107300
CCDM RAdeg 326.00205306 DEdeg -57.28292528 EpRA 1990 1.75
EpDE 1990 1.38 E RAdeg 3.5 E DEdeg 4.1 Posflg
Corr 0.1
SAO
SAO 247153 DelFlag RA1950 PmRA1950 -0.0121
DE1950 PmDE1950 -0.027 Vmag 7 SpType G0
Double code Source 70 CatNum 30399 DM CP-57 9941
DMcomp BDsup HD 206428 M HD 0
GC 30399 RA1950rad 5.67436468 DE1950rad -1.00376601 PmRA2000 -0.0126
PmDE2000 -0.031
Hipparcos
Catalog H HIP 107300 Proxy RAhms 21 44 00.50
DEdms -57 16 58.5 Vmag 6.86 VarFlag R Vmag H
RAdeg 326.002 DEdeg -57.2829 AstroRef Plx 23.3
CCDM 21439-5719 N CCDM I Nsys 3 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 206428 BD
CD CP CP-57 9941 Dm number -57 9941 VIred 0.54
SpType F6IV/V R SpType Coord arcsec 2000 214400.50-571658.5
Hipparcos 2
HIP 107300 Sn 5 So 0 Nc 1
RArad 5.6898097092 DErad -0.9997756419 Plx 22.09 PmRA -114.79
PmDE -53.18 E RArad 0.38 E DErad 0.25 E Plx 0.5
E pmRA 0.55 E pmDE 0.31 Hpmag 6.9676 E Hpmag 0.0006
SHp 0.008 VA 0 BV 0.477 E BV 0.006
VI 0.55
 
 
21440-5720 C
 
 
Coord arcsec 2000 214352.22-572205.8 Mag 7.47 PmRA 51.00 PmDE -48.0
Calc delta mag 0.93 Calc coord yes