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Doubles in session


Current system
12474-2935
DAW 105
HD 111139


Nearby doubles
15' : 12479-2923
LDS4271

37' : 12501-2940
TDS8545

38' : 12473-3013
SKF1948AB

46' : 12508-2944
HJ 4553

61' : 12458-3032
UC 2401

61' : 12429-2954
UC 2390AB

63' : 12508-2851
UC 2415

64' : 12450-3031
UC 2395

69' : 12431-3015
RST2811

79' : 12449-2824
SKF1946

83' : 12454-3054
KPP2023

87' : 12539-2918
STN 26

88' : 12456-3059
UC 2399

89' : 12521-3039
DAW 106

90' : 12425-3038
WSP 41AB

90' : 12542-2924
RST5370

92' : 12461-3105
UC 2403

95' : 12415-2840
UC 2387

100' : 12527-2825
UC 2419

100' : 12407-3027
LDS4245

106' : 12517-3105
HJ 4554

108' : 12556-2944
TDS8588

108' : 12483-2748
UC 2407

109' : 12476-2747
LDS4269

111' : 12397-3022
TDS8477

120' : 12397-3044
RST1682



Selections
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Binocular doubles
Binary Systems
Triple Systems
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Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

12474-2935 DAW 105 (HD 111139)

 
 
12h 47m 23.24s -29° 35' 26.0" P.A. 22.00 sep 0.0 mag 9.40,9.70 Sp F7V
 
 
Coord 2000 12474-2935 Discov num DAW 105 Comp Coord arcsec 2000 12 47 23.24 -29 35 26.0
Date first 1920 Date last 2021 Obs 11
Pa first 233 Pa last 21.5 P.A. Now (θ) 21.5°
Sep first 0.3 Sep last 0.041 Sep. Now (ρ) 0.041"
Mag pri 9.40 Mag sec 9.70 delta mag (ΔM) 0.3 Spectral class F7V (yellow-white)
Pri motion ra +008 Sec motion ra
Pri motion dec -001 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 111139 Constellation Hydra SAO 181100 Tycho2 6696-00181-1
Gaia DR2 6184977142188661504 HD 111139 ADS 8665
 
 
ORBITAL ELEMENTS
 
 
Period (P)150y Periastron (T)2032.6y Semi-major axis (a)0.256a
Eccentricity (e)0.817 Inclination (i)84.6° Longitude of periastron (ω)233.7°
Node (Ω)227.9° Notes ReferenceTok2021f
Equinox Last observation2021 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 247.0 0.099
2001 248.0 0.094
2002 249.0 0.088
2003 250.2 0.082
2004 251.5 0.077
2005 253.1 0.071
2006 254.9 0.066
2007 257.1 0.060
2008 259.7 0.054
2009 262.9 0.049
2010 266.9 0.044
2011 272.0 0.038
2012 278.6 0.034
2013 287.2 0.029
2014 298.4 0.026
2015 312.3 0.024
2016 327.8 0.023
2017 343.1 0.024
2018 356.3 0.027
2019 6.7 0.030
2020 14.8 0.035
2021 21.0 0.040
2022 25.9 0.044
2023 29.8 0.049
2024 33.0 0.054
2025 35.6 0.059
2026 37.9 0.063
2027 40.0 0.066
2028 41.8 0.069
2029 43.6 0.069
2030 45.5 0.066


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


 
  


wds12474-2935a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 12474-2935 DAW 105 (HD 111139) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2021f orb - Tokovinin, A. 2021IAUDS.204....1T
Tok2021f Inf. Circ. 204, 1, 2021
 
 
DISCOVERER
 
 
idgroup discov author
1 DAW Dawson, B.H.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12474-2935 DAW 105 1991 7 242 0.1 9.40 9.70 F7V 124723.24-293526.0
12474-2935 DAW 105 2019 9 9 0.0 9.40 9.70 F7V 124723.24-293526.0
12474-2935 DAW 105 2020 10 16 0.0 9.40 9.70 F7V 124723.24-293526.0
12474-2935 DAW 105 2021 11 22 0.0 9.40 9.70 F7V 124723.24-293526.0

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

 
 
WDS 12474-2935 DAW 105 (HD 111139) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12474-2935 DAW 105 (HD 111139) : MEASURES
 
 
No records found.

 
 
WDS 12474-2935 (HD 111139) : VIRTUAL EYEPIECE
 
 

12474-2935 DAW 105A mag 9.4 Sp F7V 12474-2935 DAW 105B mag 9.7 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 12474-2935 (HD 111139) : ALADIN DSS IMAGE @ 12h 47m 23.24s -29° 35' 26.0"
 
 
 
 
WDS 12474-2935 DAW 105 (HD 111139) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12474-2935 DAW 105 distance=1' 12479-2923 LDS4271 distance=15' 12501-2940 TDS8545 distance=37' 12473-3013 SKF1948AB distance=38' 12508-2944 HJ 4553 distance=46' 12458-3032 UC 2401 distance=61' 12429-2954 UC 2390AB distance=61' 12508-2851 UC 2415 distance=63' 12450-3031 UC 2395 distance=64' 12431-3015 RST2811 distance=69' 12449-2824 SKF1946 distance=79' 12454-3054 KPP2023 distance=83' 12539-2918 STN 26 distance=87' 12456-3059 UC 2399 distance=88' 12521-3039 DAW 106 distance=89' 12425-3038 WSP 41AB distance=90' 12425-3038 WSP 41AC distance=90' 12425-3038 WSP 41AD distance=90' 12542-2924 RST5370 distance=90' 12461-3105 UC 2403 distance=92' 12415-2840 UC 2387 distance=95' 12527-2825 UC 2419 distance=100' 12407-3027 LDS4245 distance=100' 12517-3105 HJ 4554 distance=106' 12556-2944 TDS8588 distance=108' 12483-2748 UC 2407 distance=108' 12476-2747 LDS4269 distance=109' 12397-3022 TDS8477 distance=111' 12397-3044 RST1682 distance=120' 12564-3007 HJ 4558 distance=122' 12393-3047 HJ 4537 distance=127' 12461-3146 B 232 distance=132' 12543-2758 HJ 4556 distance=134' 12440-2727 TDS 673AB distance=137' 12440-2727 UC 2393AC distance=137' 12387-3054 UC 2375 distance=137' 12474-3154 TDS8522 distance=139' 12368-2940 LDS4234 distance=139' 12525-3139 RST1694 distance=140' 12375-3034 DAW 103 distance=141' 12409-2743 B 231 distance=142' 12534-3135 UC 2424 distance=143' 12571-2828 LDS5763 distance=143' 12432-2722 B 2300 distance=144' 12582-3034 LDS5765 distance=154' 12537-2724 TOK 153 distance=156' 12444-2701 KPP2727 distance=160' 12577-3106 B 236 distance=162' 12535-3157 DAW 163 distance=162' 12597-2905 BRT2996 distance=165' 12417-2708 RST1684 distance=166' 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 12474-2935 DAW 105 22 0.0 1
Show 12479-2923 LDS4271 48 3.4 15
Show 12501-2940 TDS8545 268 1.2 37
Show 12473-3013 SKF1948 AB 50 162.7 38
Show 12508-2944 HJ 4553 346 11.6 46
Show 12458-3032 UC 2401 98 35.7 61
Show 12429-2954 UC 2390 AB 243 28.9 61
Show 12508-2851 UC 2415 319 23.0 63
Show 12450-3031 UC 2395 17 13.9 64
Show 12431-3015 RST2811 214 1.3 69
Show 12449-2824 SKF1946 256 14.7 79
Show 12454-3054 KPP2023 90 16.1 83
Show 12539-2918 STN 26 34 2.9 87
Show 12456-3059 UC 2399 16 8.7 88
Show 12521-3039 DAW 106 249 1.8 89
Show 12425-3038 WSP 41 AB 245 9.5 90
Show 12425-3038 WSP 41 AC 184 14.2 90
Show 12425-3038 WSP 41 AD 346 21.8 90
Show 12542-2924 RST5370 338 0.3 90
Show 12461-3105 UC 2403 269 10.3 92
Show 12415-2840 UC 2387 343 8.9 95
Show 12527-2825 UC 2419 170 12.5 100
Show 12407-3027 LDS4245 129 13.0 100
Show 12517-3105 HJ 4554 25 31.2 106
Show 12556-2944 TDS8588 51 0.6 108
Show 12483-2748 UC 2407 131 11.3 108
Show 12476-2747 LDS4269 101 28.4 109
Show 12397-3022 TDS8477 17 3.5 111
Show 12397-3044 RST1682 167 2.1 120
Show 12564-3007 HJ 4558 187 41.3 122
Show 12393-3047 HJ 4537 352 11.0 127
Show 12461-3146 B 232 44 0.7 132
Show 12543-2758 HJ 4556 80 5.9 134
Show 12440-2727 TDS 673 AB 263 1.7 137
Show 12440-2727 UC 2393 AC 330 40.6 137
Show 12387-3054 UC 2375 267 44.1 137
Show 12474-3154 TDS8522 95 0.8 139
Show 12368-2940 LDS4234 235 18.4 139
Show 12525-3139 RST1694 21 1.6 140
Show 12375-3034 DAW 103 256 0.5 141
Show 12409-2743 B 231 82 4.4 142
Show 12534-3135 UC 2424 201 7.8 143
Show 12571-2828 LDS5763 151 161.8 143
Show 12432-2722 B 2300 315 10.6 144
Show 12582-3034 LDS5765 254 266.0 154
Show 12537-2724 TOK 153 147 14.8 156
Show 12444-2701 KPP2727 180 8.6 160
Show 12577-3106 B 236 169 0.2 162
Show 12535-3157 DAW 163 29 1.2 162
Show 12597-2905 BRT2996 73 4.3 165
Show 12417-2708 RST1684 209 0.4 166

 
 
WDS 12474-2935 : COMPONENTS
 
 
  A
B pa=18.9°
sep=0.04"
 
 
12474-2935 A
 
 
Componente originario normalizzato AB Name HD 111139 Coord arcsec 2000 124723.24-293526.0 Mag 9.4
Spectral class F7V (yellow-white) PmRA 8.00 PmDE -1.0 SAO 181100
Tycho2 6696-00181-1 HD 111139 DM CD-28 9702
Tycho2
Tycho2 6696-00181-1 Pflag RAmdeg 191.84684129 DEmdeg -29.59055774
PmRA 5.5 PmDE -5.8 E RAmdeg 9 E DEmdeg 10
E pmRA 1.4 E pmDE 1.3 EpRAm 1990.45 EpDEm 1990.25
Num 8 Q RAmdeg 1.0 Q DEmdeg 0.7 Q pmRA 1.0
Q pmDE 0.7 BTmag 9.535 E BTmag 0.020 VTmag 8.996
E VTmag 0.016 Prox 999 TYC T HIP
CCDM RAdeg 191.84682611 DEdeg -29.59054444 EpRA 1990 1.67
EpDE 1990 1.82 E RAdeg 9.3 E DEdeg 9.8 Posflg
Corr 0.2
SAO
SAO 181100 DelFlag RA1950 PmRA1950 0.0027
DE1950 PmDE1950 -0.001 Vmag 8.5 SpType F8
Double code Source 24 CatNum 8191 DM CD-28 9702
DMcomp BDsup HD 111139 M HD 0
GC RA1950rad 3.33663243 DE1950rad -0.51168989 PmRA2000 0.0028
PmDE2000 0.004
CCDM
Ccdm 12474-2935 RComp Comp A Note1
Note2 Discov num DRAs -0.62 DDEs -25.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.4 Sp F8 PmNote *
PmRA 35 PmDE -1 Dm number -28 9702 Cat1 CD
Name2 181100 Cat2 SAO HD 111139 M HD
ADS BDS A 8665 M ADS BDS N IDS IDS 12420S2903A
HIC
 
 
12474-2935 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 124723.24-293526.0 Mag 9.7 Calc delta mag 0.3
Calc coord yes
CCDM
Ccdm 12474-2935 RComp Comp B Note1
Note2 Discov num DAW 105 DRAs DDEs
R dRAs Year 1920 Theta 233 Rho 0.3
Obs 6 Vmag 9.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 8665 M ADS BDS N IDS IDS 12420S2903B
HIC