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Doubles in session


Current system
14403-4051
HDO 237 AB
HD 128819


Nearby doubles
5' : 14401-4054
JNN 194

37' : 14417-4017
UC 2825

38' : 14432-4110
LDS 500

42' : 14431-4117
TDS9284

45' : 14420-4130
TDS9276AB

54' : 14357-4038
UC 2796

65' : 14350-4031
RST1791

66' : 14371-4145
RST1793

68' : 14355-4131
HDO 235

78' : 14456-4002
WG 182

82' : 14436-3939
I 1250

87' : 14332-4124
I 946

89' : 14391-4218
DAM 620

93' : 14387-4221
RST1795

93' : 14323-4107
HRG 100

93' : 14390-4222
DAM 619AB

96' : 14388-4225
UC 2812

96' : 14480-4131
UC 2843

99' : 14417-4227
RST1798

99' : 14470-3948
B 1254

100' : 14410-3911
RST1797

101' : 14418-4230
UC 2826

102' : 14335-4156
TDS9238

102' : 14400-4232
RST3888

104' : 14312-4039
KOU 30

108' : 14481-4152
UC 2844



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.

14403-4051 HDO 237 AB (HD 128819)

 
 
14h 40m 17.66s -40° 50' 29.9" P.A. 23.00 sep 8.6 mag 6.65,12.50 Sp B8/9V dist. 157.23 pc (512.88 l.y.)
 
 
Coord 2000 14403-4051 Discov num HDO 237 Comp AB Coord arcsec 2000 14 40 17.66 -40 50 29.9
Date first 1897 Date last 2016 Obs 8
Pa first 2 Pa last 23.3 P.A. Now (θ) 23.3°
Sep first 18.0 Sep last 8.626 Sep. Now (ρ) 8.626"
Mag pri 6.65 Mag sec 12.50 delta mag (ΔM) 5.85 Spectral class B8/9V (blue-white)
Pri motion ra -020 Sec motion ra -016
Pri motion dec -022 Sec motion dec -023
Notes N T (See Notes, Parallax indicates physical)
rPM=0.139 (< 0.3, Physical double)
This double is physical.
 
 
14403-4051 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 225106 14 40 18 -40 50 30 HNK 1 Aa,Ab 2011 1 202 0.1 6.80 12.00 5.20
Show HD 128819 225106 14 40 18 -40 50 30 HDO 237 AB 2016 8 23 8.6 6.65 12.50 5.85 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 128819 Constellation Centaurus SAO 225106 HIP 71724
Tycho2 7823-02493-1 Gaia DR2 6104772166995080320 HD 128819 GC 19750
CD CD-40 8860 CP CP-40 6653 Distance 157.23 Distance ly 512.88
 
 
WDS 14403-4051 HDO 237 AB (HD 128819) : NOTES
 
 
discov_num notes refcode
HNK 1 Aa,Ab: Member of Sco-Cen Association. Mass of Aa 3.41 +0.53/-0.75Msun;
mass of Ab estimated at 146 +45/-32 Mjup (for age 10 Myr), or
217 +67/-47 Mjup (for age 20 Myr). Hnk2015
 
 
REFERENCES
 
 
refcode metd author reference
Hnk2015 Am j Hinkley, S., Kraus, A.L., Ireland, M.J., Cheetham, A., Carpenter, J.M., 2015ApJ...806L...9H
Hnk2015 Tuthill, P., Lacour, S., Evans, T.M., & Hauboas, X.
Hnk2015 ApJL 806, 9, 2015
 
 
DISCOVERER
 
 
idgroup discov author
1 HDO Harvard Obs.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
14403-4051 HDO 237 AB 2000 5 23 8.7 6.65 12.50 B8/9V NV 144017.66-405029.9
14403-4051 HDO 237 AB 2010 6 24 8.0 6.65 12.50 B8/9V NV 144017.66-405029.9
14403-4051 HDO 237 AB 2016 8 23 8.6 6.65 12.50 B8/9V NT 144017.66-405029.9

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

 
 
WDS 14403-4051 HDO 237 AB (HD 128819) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 14403-4051 HDO 237 AB (HD 128819) : MEASURES
 
 
No records found.

 
 
WDS 14403-4051 (HD 128819) : VIRTUAL EYEPIECE
 
 

14403-4051 HDO 237A mag 6.65 Sp B8/9V 14403-4051 HNK 1Ab sep 0.1 P.A. 197.00 mag 12 14403-4051 HDO 237B sep 8.3 P.A. 18.00 mag 12.5 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 14403-4051 (HD 128819) : ALADIN DSS IMAGE @ 14h 40m 17.66s -40° 50' 29.9"
 
 
 
 
WDS 14403-4051 HDO 237 AB (HD 128819) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

14403-4051 HDO 237AB distance=0' 14401-4054 JNN 194 distance=5' 14417-4017 UC 2825 distance=37' 14432-4110 LDS 500 distance=38' 14431-4117 TDS9284 distance=42' 14420-4130 TDS9276AB distance=45' 14357-4038 UC 2796 distance=54' 14350-4031 RST1791 distance=65' 14371-4145 RST1793 distance=66' 14355-4131 HDO 235 distance=68' 14456-4002 WG 182 distance=78' 14436-3939 I 1250 distance=82' 14332-4124 I 946 distance=87' 14391-4218 DAM 620 distance=89' 14387-4221 RST1795 distance=93' 14323-4107 HRG 100 distance=93' 14390-4222 DAM 619AB distance=93' 14390-4222 DAM 619AC distance=93' 14388-4225 UC 2812 distance=96' 14480-4131 UC 2843 distance=96' 14417-4227 RST1798 distance=99' 14470-3948 B 1254 distance=99' 14410-3911 RST1797 distance=100' 14418-4230 UC 2826 distance=101' 14335-4156 TDS9238 distance=102' 14400-4232 RST3888 distance=102' 14312-4039 KOU 30 distance=104' 14481-4152 UC 2844 distance=108' 14498-4059 BRT 831 distance=109' 14405-4240 I 1249BC distance=110' 14405-4240 HJ 4692A,BC distance=110' 14335-3930 UC 2790 distance=113' 14304-4029 B 9023 distance=115' 14408-4247 JNN 195AB distance=117' 14506-4023 I 951 distance=121' 14387-4249 TDS9257 distance=121' 14454-4236 UC 2833 distance=121' 14338-3914 TSN 61 distance=122' 14498-3951 RST1805 distance=124' 14330-4224 HDS2054 distance=125' 14511-4122 SKF 913 distance=127' 14501-4151 I 1256 distance=127' 14357-3856 RST1792 distance=127' 14309-4159 DAM 614 distance=127' 14463-3904 HDS2081 distance=127' 14308-4159 DAM 613 distance=127' 14513-4028 WG 183 distance=128' 14309-4202 RST1788 distance=128' 14290-4036 UC 2772 distance=130' 14492-4214 HDS2090 distance=131' 14288-4026 HRG 93 distance=134' 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 14403-4051 HDO 237 AB 23 8.6
Show 14403-4051 HNK 1 Aa,Ab 202 0.1
Show 14401-4054 JNN 194 73 3.5 5
Show 14417-4017 UC 2825 242 53.4 37
Show 14432-4110 LDS 500 359 12.2 38
Show 14431-4117 TDS9284 279 0.5 42
Show 14420-4130 TDS9276 AB 298 1.8 45
Show 14357-4038 UC 2796 104 100.9 54
Show 14350-4031 RST1791 159 0.2 65
Show 14371-4145 RST1793 24 0.3 66
Show 14355-4131 HDO 235 127 24.6 68
Show 14456-4002 WG 182 2 8.6 78
Show 14436-3939 I 1250 149 4.9 82
Show 14332-4124 I 946 157 3.0 87
Show 14391-4218 DAM 620 62 9.9 89
Show 14387-4221 RST1795 358 2.4 93
Show 14323-4107 HRG 100 260 11.1 93
Show 14390-4222 DAM 619 AB 328 7.4 93
Show 14390-4222 DAM 619 AC 301 11.4 93
Show 14388-4225 UC 2812 128 11.6 96
Show 14480-4131 UC 2843 183 39.4 96
Show 14417-4227 RST1798 132 1.5 99
Show 14470-3948 B 1254 247 0.5 99
Show 14410-3911 RST1797 279 1.4 100
Show 14418-4230 UC 2826 181 10.1 101
Show 14335-4156 TDS9238 271 0.6 102
Show 14400-4232 RST3888 179 0.3 102
Show 14312-4039 KOU 30 355 1.2 104
Show 14481-4152 UC 2844 223 22.4 108
Show 14498-4059 BRT 831 117 4.2 109
Show 14405-4240 I 1249 BC 68 0.5 110
Show 14405-4240 HJ 4692 A,BC 297 11.0 110
Show 14335-3930 UC 2790 301 20.6 113
Show 14304-4029 B 9023 288 19.8 115
Show 14408-4247 JNN 195 AB 311 0.4 117
Show 14506-4023 I 951 267 1.3 121
Show 14387-4249 TDS9257 211 0.5 121
Show 14454-4236 UC 2833 172 13.2 121
Show 14338-3914 TSN 61 2 87.7 122
Show 14498-3951 RST1805 59 0.5 124
Show 14330-4224 HDS2054 24 0.1 125
Show 14511-4122 SKF 913 192 65.2 127
Show 14501-4151 I 1256 121 0.4 127
Show 14357-3856 RST1792 160 0.6 127
Show 14309-4159 DAM 614 74 6.1 127
Show 14463-3904 HDS2081 108 25.4 127
Show 14308-4159 DAM 613 320 5.1 127
Show 14513-4028 WG 183 224 4.0 128
Show 14309-4202 RST1788 124 1.5 128
Show 14290-4036 UC 2772 134 47.6 130
Show 14492-4214 HDS2090 178 13.9 131

 
 
WDS 14403-4051 : COMPONENTS
 
 
  A Ab
Ab pa=197.0°
sep=0.10"
 
B pa=18.0°
sep=8.33"
pa=18.0°
sep=8.43"
 
 
14403-4051 A
 
 
Name HD 128819 Coord arcsec 2000 144017.66-405029.9 Mag 6.65 Spectral class B8/9V (blue-white)
PmRA -20.00 PmDE -22.0 SAO 225106 HIP 71724
Tycho2 7823-02493-1 HD 128819 GC 19750 CD CD-40 8860
CP CP-40 6653
Tycho2
Tycho2 7823-02493-1 Pflag RAmdeg 220.07352240 DEmdeg -40.84169488
PmRA -18.2 PmDE -21.9 E RAmdeg 4 E DEmdeg 4
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.42 EpDEm 1991.33
Num 12 Q RAmdeg 1.5 Q DEmdeg 1.0 Q pmRA 1.4
Q pmDE 0.9 BTmag 6.565 E BTmag 0.015 VTmag 6.638
E VTmag 0.010 Prox 999 TYC T HIP 71724
CCDM RAdeg 220.07357722 DEdeg -40.84164444 EpRA 1990 1.80
EpDE 1990 1.68 E RAdeg 3.5 E DEdeg 3.9 Posflg
Corr 0.2
SAO
SAO 225106 DelFlag RA1950 PmRA1950 -0.0028
DE1950 PmDE1950 -0.04 Vmag 6.8 SpType B9
Double code Source 70 CatNum 19750 DM CD-40 8860
DMcomp BDsup HD 128819 M HD 0
GC 19750 RA1950rad 3.82715572 DE1950rad -0.70908122 PmRA2000 -0.0027
PmDE2000 -0.036
Hipparcos
Catalog H HIP 71724 Proxy RAhms 14 40 17.66
DEdms -40 50 29.9 Vmag 6.65 VarFlag R Vmag G
RAdeg 220.074 DEdeg -40.8416 AstroRef Plx 8.15
CCDM 14403-4051 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 128819 BD
CD CD-40 8860 CP CP-40 6653 Dm number -40 8860 VIred -0.05
SpType B8/B9V R SpType Coord arcsec 2000 144017.66-405029.9
Hipparcos 2
HIP 71724 Sn 5 So 0 Nc 1
RArad 3.8410086029 DErad -0.7128211218 Plx 6.36 PmRA -18.69
PmDE -22.55 E RArad 0.49 E DErad 0.31 E Plx 0.58
E pmRA 0.64 E pmDE 0.52 Hpmag 6.6336 E Hpmag 0.0008
SHp 0.007 VA 0 BV -0.069 E BV 0.001
VI -0.05
CCDM
Ccdm 14403-4051 RComp Comp A Note1
Note2 Discov num DRAs -0.39 DDEs 29.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.8 Sp B9 PmNote *
PmRA -23 PmDE -25 Dm number -40 8860 Cat1 CD
Name2 225106 Cat2 SAO HD 128819 M HD
ADS BDS M ADS BDS N IDS IDS 14340S4025A
HIC 71724
 
 
14403-4051 Ab
 
 
Coord arcsec 2000 144017.66-405030.0 Mag 12 Calc delta mag 5.2 Calc coord yes
 
 
14403-4051 B
 
 
Coord arcsec 2000 144017.89-405022.0 Mag 12.5 PmRA -16.00 PmDE -23.0
Calc delta mag 5.7 Calc coord yes
CCDM
Ccdm 14403-4051 RComp Comp B Note1
Note2 Discov num HDO 237 DRAs DDEs
R dRAs Year 1932 Theta 022 Rho 8.7
Obs 1 Vmag 12.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 14340S4025B
HIC 71724