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Doubles in session


Current system
11330-3151
HJ 4449 AB
Xi Hya


Nearby doubles
11' : 11339-3150
LDS5733AB

14' : 11332-3137
LDS5731

33' : 11335-3221
LDS5732

38' : 11344-3225
KPP 876

42' : 11348-3227
I 1213

48' : 11296-3133
BRT2987

50' : 11299-3123
RUZ 1

58' : 11286-3136
TDS 636

62' : 11345-3250
LDS6245

73' : 11282-3114
HJ 4439

73' : 11338-3039
SKF1903

77' : 11270-3157
UC 2139

78' : 11359-3259
LDS4121

79' : 11275-3115
TDS7865

82' : 11301-3038
UC 2155

84' : 11395-3205
BRT1670

86' : 11391-3117
TDS7976

87' : 11397-3139
RST2757

89' : 11273-3242
RST2750

90' : 11264-3223
RST2748

93' : 11323-3020
LPR 1

93' : 11295-3031
SKF1218

94' : 11392-3103
B 1702

96' : 11405-3142
LDS4133

100' : 11273-3044
I 76

102' : 11409-3136
SKF1219



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.

11330-3151 HJ 4449 AB (Xi Hya)

 
 
11h 33m 00.11s -31° 51' 27.4" P.A. 134.00 sep 74.6 mag 3.54,10.70 Sp G7III dist. 39.75 pc (129.66 l.y.)
 
 
Coord 2000 11330-3151 Discov num HJ 4449 Comp AB Coord arcsec 2000 11 33 00.11 -31 51 27.4
Date first 1834 Date last 2015 Obs 10
Pa first 170 Pa last 134.4 P.A. Now (θ) 134.4°
Sep first 60.0 Sep last 74.6 Sep. Now (ρ) 74.6"
Mag pri 3.54 Mag sec 10.70 delta mag (ΔM) 7.16 Spectral class G7III (yellow)
Pri motion ra -206 Sec motion ra
Pri motion dec -040 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
11330-3151 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 202558 11 33 00 -31 51 27 WSI 102 Aa,Ab 2001 1 14 0.1 3.70 5.80 2.10
Show Xi Hya 202558 11 33 00 -31 51 27 HJ 4449 AB 2015 10 134 74.6 3.54 10.70 7.16 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Xi Hya Constellation Hydra SAO 202558 HIP 56343
Tycho2 7216-01261-1 Gaia DR2 3478394889482871936 HD 100407 HR 4450
GC 15845 CD CD-31 9083 CP CP-31 3293 Bayer Xi Hydrae
Bayer name Xi Hya FK5 434 Distance 39.75 Distance ly 129.66
Bayer greek ξ Hya
 
 
WDS 11330-3151 HJ 4449 AB (Xi Hya) : NOTES
 
 
discov_num notes refcode
WSI 102 Aa,Ab: Provisionally designated WSI9108. Tok2010
HJ 4449 AB: xi Hya
 
 
REFERENCES
 
 
refcode metd author reference
Tok2010 S j Tokovinin, A., Mason, B., & Hartkopf, W. 2010AJ....139..743T
Tok2010 AJ 139, 743, 2010 (some measures corrected in Tok2017b) 2017AJ....154..110T
 
 
DISCOVERER
 
 
idgroup discov author
1 HJ Herschel, J.F.W.
50 WSI Douglass, G.G., Hindsley, R.B., & Worley, C.E.
59 WSI Mason, B.D., Hartkopf, W.I., Holdenried, E.R., Rafferty, T.J., Wycoff, G.L.,
59 WSI Hennessy, G.S., Hall, D.M., Urban, S.E., et al.
62 WSI Mason, B.D., Hartkopf, W.I., Wycoff, G.L., Holdenried, E.R., Platais, I.,
62 WSI Rafferty, T.J., Hall, D.M., Hennessy, G.S., et al.
63 WSI Mason, B.D., Hartkopf, W.I., Urban, S.E., Wycoff, G.L., Pascu, D., Hall, D.M.,
63 WSI Hennessy, G.S., Platais, I., et al.
64 WSI Mason, B.D., Hartkopf, W.I., Wycoff, G.L., Pascu, D., Urban, S.E., Hall, D.M.,
64 WSI Hennessy, G.S., Rafferty, T.J., et al.
91 WSI Mason, B.D., Hartkopf, W.I., Bredthauer, G., Ferguson, E.W., Finch, C.T., Kilian,
91 WSI C.M., Rafferty, T.J., Ragan, T.J. & Wieder, G.D.
101 WSI Mason, B.D., Williams, S.J., Matson, R.A., Josties, J.D., Eakens, P.D., Justice,
101 WSI M., Kilian, C.M. & Warner, R.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11330-3151 HJ 4449 AB 1928 5 149 68.2 3.54 10.70 G7III N 113300.11-315127.4
11330-3151 HJ 4449 AB 1991 7 139 73.2 3.54 10.70 G7III N 113300.11-315127.4
11330-3151 HJ 4449 AB 2013 8 134 73.0 3.54 10.70 G7III N 113300.11-315127.4
11330-3151 HJ 4449 AB 2015 10 134 74.6 3.54 10.70 G7III N 113300.11-315127.4

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

 
 
WDS 11330-3151 HJ 4449 AB (Xi Hya) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 11330-3151 HJ 4449 AB (Xi Hya) : MEASURES
 
 
No records found.

 
 
WDS 11330-3151 (Xi Hya) : VIRTUAL EYEPIECE
 
 

11330-3151 HJ 4449A mag 3.54 Sp G7III 11330-3151 WSI 102Ab sep 0.1 P.A. 12.00 mag 5.8 11330-3151 HJ 4449B sep 69.1 P.A. 139.10 mag 10.7 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 11330-3151 (Xi Hya) : ALADIN DSS IMAGE @ 11h 33m 00.11s -31° 51' 27.4"
 
 
 
 
WDS 11330-3151 HJ 4449 AB (Xi Hya) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

11330-3151 HJ 4449AB distance=1' 11330-3151 WSI 102Aa,Ab distance=1' 11339-3150 LDS5733AB distance=11' 11339-3150 LDS5733Aa,Ab distance=11' 11332-3137 LDS5731 distance=14' 11335-3221 LDS5732 distance=33' 11344-3225 KPP 876 distance=38' 11348-3227 I 1213 distance=42' 11296-3133 BRT2987 distance=48' 11299-3123 RUZ 1 distance=50' 11286-3136 TDS 636 distance=58' 11345-3250 LDS6245 distance=62' 11282-3114 HJ 4439 distance=73' 11338-3039 SKF1903 distance=73' 11270-3157 UC 2139 distance=77' 11359-3259 LDS4121 distance=78' 11275-3115 TDS7865 distance=79' 11301-3038 UC 2155 distance=82' 11395-3205 BRT1670 distance=84' 11391-3117 TDS7976 distance=86' 11397-3139 RST2757 distance=87' 11273-3242 RST2750 distance=89' 11264-3223 RST2748 distance=90' 11323-3020 LPR 1 distance=93' 11295-3031 SKF1218 distance=93' 11392-3103 B 1702 distance=94' 11405-3142 LDS4133 distance=96' 11273-3044 I 76 distance=100' 11409-3136 SKF1219 distance=102' 11250-3200 CHR 242Aa,Ab distance=103' 11250-3200 UC 2133AB distance=103' 11350-3329 LDS5734 distance=103' 11354-3009 LDS4119AB distance=107' 11354-3009 LDS4119AC distance=107' 11249-3225 TDS7846 distance=108' 11391-3037 UC 2183 distance=108' 11316-3338 I 1543AB distance=108' 11316-3338 I 1543AC distance=108' 11393-3304 LDS4127 distance=108' 11392-3036 UC 2184 distance=110' 11366-3334 HJ 4455AB distance=113' 11366-3334 HJ 4455AC distance=113' 11277-3022 UC 2142 distance=113' 11417-3230 HJ 4465AB distance=118' 11417-3230 HJ 4465AC distance=118' 11417-3230 RST2760CD distance=118' 11274-3328 UC 2141 distance=121' 11393-3021 RSS 269 distance=122' 11235-3135 RST2745 distance=122' 11400-3029 I 1545 distance=123' 11234-3224 LDS4092 distance=127' 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 11330-3151 HJ 4449 AB 134 74.6 1
Show 11330-3151 WSI 102 Aa,Ab 14 0.1 1
Show 11339-3150 LDS5733 AB 328 17.0 11
Show 11339-3150 LDS5733 Aa,Ab 352 0.8 11
Show 11332-3137 LDS5731 18 9.2 14
Show 11335-3221 LDS5732 22 277.0 33
Show 11344-3225 KPP 876 156 7.4 38
Show 11348-3227 I 1213 153 1.6 42
Show 11296-3133 BRT2987 215 3.8 48
Show 11299-3123 RUZ 1 79 22.6 50
Show 11286-3136 TDS 636 190 1.1 58
Show 11345-3250 LDS6245 129 15.1 62
Show 11282-3114 HJ 4439 109 18.4 73
Show 11338-3039 SKF1903 96 13.5 73
Show 11270-3157 UC 2139 143 34.7 77
Show 11359-3259 LDS4121 220 3.0 78
Show 11275-3115 TDS7865 261 0.5 79
Show 11301-3038 UC 2155 321 8.0 82
Show 11395-3205 BRT1670 47 4.9 84
Show 11391-3117 TDS7976 132 0.9 86
Show 11397-3139 RST2757 215 0.5 87
Show 11273-3242 RST2750 97 1.5 89
Show 11264-3223 RST2748 21 1.4 90
Show 11323-3020 LPR 1 359 80.2 93
Show 11295-3031 SKF1218 346 3.7 93
Show 11392-3103 B 1702 94 0.5 94
Show 11405-3142 LDS4133 130 109.6 96
Show 11273-3044 I 76 50 7.2 100
Show 11409-3136 SKF1219 44 62.1 102
Show 11250-3200 CHR 242 Aa,Ab 72 0.1 103
Show 11250-3200 UC 2133 AB 192 57.1 103
Show 11350-3329 LDS5734 257 275.9 103
Show 11354-3009 LDS4119 AB 347 4.0 107
Show 11354-3009 LDS4119 AC 184 50.8 107
Show 11249-3225 TDS7846 188 1.4 108
Show 11391-3037 UC 2183 146 9.9 108
Show 11316-3338 I 1543 AB 340 2.5 108
Show 11316-3338 I 1543 AC 160 26.8 108
Show 11393-3304 LDS4127 132 8.0 108
Show 11392-3036 UC 2184 59 72.5 110
Show 11366-3334 HJ 4455 AB 240 3.4 113
Show 11366-3334 HJ 4455 AC 81 44.0 113
Show 11277-3022 UC 2142 109 51.6 113
Show 11417-3230 HJ 4465 AB 347 31.2 118
Show 11417-3230 HJ 4465 AC 44 66.1 118
Show 11417-3230 RST2760 CD 113 4.7 118
Show 11274-3328 UC 2141 173 64.0 121
Show 11393-3021 RSS 269 285 11.0 122
Show 11235-3135 RST2745 192 0.3 122
Show 11400-3029 I 1545 295 1.7 123
Show 11234-3224 LDS4092 121 18.9 127

 
 
WDS 11330-3151 : COMPONENTS
 
 
  A Ab
Ab pa=12.0°
sep=0.05"
 
B pa=139.1°
sep=69.09"
pa=139.1°
sep=69.12"
 
 
11330-3151 A
 
 
Name Xi Hya Coord arcsec 2000 113300.11-315127.4 Mag 3.54 Spectral class G7III (yellow)
PmRA -206.00 PmDE -40.0 SAO 202558 HIP 56343
Tycho2 7216-01261-1 HD 100407 HR 4450 GC 15845
CD CD-31 9083 CP CP-31 3293 Bayer Xi Bayer name Xi
FK5 434
Tycho2
Tycho2 7216-01261-1 Pflag RAmdeg 173.25048333 DEmdeg -31.85762500
PmRA -208.7 PmDE -41.8 E RAmdeg 3 E DEmdeg 3
E pmRA 0.7 E pmDE 0.7 EpRAm 1991.34 EpDEm 1991.33
Num 24 Q RAmdeg 0.7 Q DEmdeg 1.0 Q pmRA 0.6
Q pmDE 1.0 BTmag 4.717 E BTmag 0.014 VTmag 3.632
E VTmag 0.009 Prox 999 TYC T HIP 56343
CCDM RAdeg 173.25105083 DEdeg -31.85752806 EpRA 1990 1.69
EpDE 1990 1.64 E RAdeg 3.3 E DEdeg 3.4 Posflg
Corr 0.2
SAO
SAO 202558 DelFlag RA1950 PmRA1950 -0.0162
DE1950 PmDE1950 -0.042 Vmag 3.7 SpType G5
Double code Source 74 CatNum 434 DM CD-31 9083
DMcomp BDsup HD 100407 M HD 0
GC 15845 RA1950rad 3.01303926 DE1950rad -0.55118787 PmRA2000 -0.0161
PmDE2000 -0.038
Hipparcos
Catalog H HIP 56343 Proxy RAhms 11 33 00.26
DEdms -31 51 27.1 Vmag 3.54 VarFlag 1 R Vmag G
RAdeg 173.251 DEdeg -31.8575 AstroRef Plx 25.23
CCDM 11330-3152 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 100407 BD
CD CD-31 9083 CP CP-31 3293 Dm number -31 9083 VIred 0.92
SpType G8III R SpType Coord arcsec 2000 113300.26-315127.1
Hipparcos 2
HIP 56343 Sn 5 So 0 Nc 1
RArad 3.0238017656 DErad -0.5560186839 Plx 25.16 PmRA -209.62
PmDE -40.84 E RArad 0.13 E DErad 0.1 E Plx 0.16
E pmRA 0.17 E pmDE 0.1 Hpmag 3.7025 E Hpmag 0.0006
SHp 0.006 VA 0 BV 0.947 E BV 0.011
VI 0.92
 
 
11330-3151 Ab
 
 
Coord arcsec 2000 113300.11-315127.3 Mag 5.8 Calc delta mag 2.1 Calc coord yes
 
 
11330-3151 B
 
 
Coord arcsec 2000 113303.66-315219.6 Mag 10.7 Calc delta mag 7 Calc coord yes