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Doubles in session


Current system
12357-1201
STF 1659 AB
HD 109556


Nearby doubles
27' : 12368-1223
HU 134

33' : 12371-1136
TDS8458

39' : 12352-1124
UC 2368

49' : 12383-1131
STF1664AB

50' : 12326-1144
GWP1824

50' : 12330-1132
UC 2356AB

64' : 12326-1117
KPP2085

67' : 12402-1150
LDS4241

71' : 12369-1310
GWP1836

84' : 12316-1104
STF1649

85' : 12299-1203
BGH 38AB

85' : 12354-1037
FAL 40

101' : 12413-1301
STF1669AB

103' : 12313-1043
KPP2541

108' : 12422-1111
RST3804

110' : 12306-1042
VVO 10

112' : 12432-1219
KPP 689

115' : 12376-1353
HJ 2615

115' : 12282-1234
RST3791

117' : 12301-1324
BU 28AB

119' : 12438-1201
HU 738

119' : 12309-1026
GWP1821

121' : 12303-1331
RST3795

123' : 12378-1003
UC 2373

130' : 12397-1357
SLW 751

130' : 12288-1040
RST3792



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.

12357-1201 STF 1659 AB (HD 109556)

 
 
12h 35m 43.75s -12° 01' 30.0" P.A. 351.00 sep 28.1 mag 7.94,8.34 Sp G0 dist. 144.51 pc (471.39 l.y.)
 
 
Coord 2000 12357-1201 Discov num STF1659 Comp AB Coord arcsec 2000 12 35 43.75 -12 01 30.0
Date first 1828 Date last 2018 Obs 46
Pa first 340 Pa last 351 P.A. Now (θ) 351°
Sep first 20.0 Sep last 28.1 Sep. Now (ρ) 28.1"
Mag pri 7.94 Mag sec 8.34 delta mag (ΔM) 0.4 Spectral class G0 (yellow)
Pri motion ra -146 Sec motion ra -143
Pri motion dec +019 Sec motion dec +022
Notes W
rPM=0.029 (< 0.3, Physical double)
This double is physical.
 
 
12357-1201 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 109556 12 35 44 -12 01 30 STF 1659 AB 2018 46 351 28.1 7.94 8.34 0.40 <===
Show 12 35 44 -12 01 30 STF 1659 AC 2018 32 69 43.8 7.94 10.89 2.95
Show 12 35 44 -12 01 30 STF 1659 AD 2018 15 32 189.8 7.94 9.88 1.94
Show 12 35 44 -12 01 30 STF 1659 AE 2018 17 275 151.2 7.94 6.78 1.16
Show 12 35 44 -12 01 30 STF 1659 AF 2018 17 139 209.4 7.94 6.64 1.30
Show 12 35 43 -12 01 03 STF 1659 BC 2018 28 105 46.7 8.34 10.89 2.55
Show 12 35 33 -12 01 16 STF 1659 EF 2018 23 121 333.8 6.78 6.64 0.14
Show 12 35 33 -12 01 16 STF 1659 EG 2015 3 252 12.6 6.78 15.50 8.72
Septuple system
7 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 109556 Constellation Corvus SAO 157384 HIP 61466
Tycho2 5530-02065-1 Gaia DR2 3530062006022286592 HD 109556 BD BD-11 3330
Distance 144.51 Distance ly 471.39
 
 
WDS 12357-1201 STF 1659 AB (HD 109556) : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
STF (F. Struve DD - Appendix list #1)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
12357-1201 STF1659 AB 2005 36 352 27.6 7.94 8.34 G0 -11 3330 D 123543.75-120130.0
12357-1201 STF1659 AB 2011 41 351 27.5 7.94 8.34 G0 -11 3330 D 123543.75-120130.0
12357-1201 STF1659 AB 2016 41 351 27.9 7.94 8.34 G0 -11 3330 123543.75-120130.0
12357-1201 STF1659 AB 2017 42 352 27.6 7.94 8.34 G0 -11 3330 W 123543.75-120130.0
12357-1201 STF1659 AB 2018 43 351 28.1 7.94 8.34 G0 -11 3330 W 123543.75-120130.0

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

 
 
WDS 12357-1201 STF 1659 AB (HD 109556) : VISUAL OBSERVATIONS REPORTS
 
 
Show date username difficulty separation pa_estim interest seeing notes
Show 25/05/01 daedalus1 mean difficulty separated 351 do not miss it!   Beautiful astirism aka "Stargate". Yellow stars, primary seems slightly brighter.

 
 
WDS 12357-1201 STF 1659 AB (HD 109556) : MEASURES
 
 
Records found: 1
Show date username difficulty sep sep_sigma pa pa_sigma delta_mag # notes
Show 25/05/01 daedalus1 mean difficulty 28.13 0.04 351.00 0.00 0.39 12 Seeing: Pickering 4, poor
 
 
WDS 12357-1201 (HD 109556) : VIRTUAL EYEPIECE
 
 

12357-1201 STF1659A mag 7.94 Sp G0 12357-1201 STF1659B sep 27.9 P.A. 348.80 mag 8.34 12357-1201 STF1659C sep 43.8 P.A. 69.10 mag 10.89 12357-1201 STF1659D sep 189.8 P.A. 32.30 mag 9.88 12357-1201 STF1659E sep 155.6 P.A. 275.20 mag 6.78 Sp G5 12357-1201 STF1659F sep 209.4 P.A. 139.40 mag 6.64 12357-1201 STF1659G sep 167.2 P.A. 273.50 mag 15.5 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 12357-1201 (HD 109556) : ALADIN DSS IMAGE @ 12h 35m 43.75s -12° 01' 30.0"
 
 
 
 
WDS 12357-1201 STF 1659 AB (HD 109556) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12357-1201 STF1659AB distance=0' 12357-1201 STF1659BC distance=1' 12357-1201 STF1659EF distance=3' 12357-1201 STF1659EG distance=3' 12368-1223 HU 134 distance=27' 12371-1136 TDS8458 distance=33' 12352-1124 UC 2368 distance=39' 12383-1131 STF1664BC distance=49' 12383-1131 STF1664BD distance=49' 12383-1131 STF1664CD distance=49' 12383-1131 STF1664AB distance=49' 12383-1131 STF1664AE distance=49' 12383-1131 STF1664AC distance=49' 12383-1131 STF1664AD distance=49' 12326-1144 GWP1824 distance=50' 12330-1132 UC 2356AB distance=50' 12383-1131 STF1664EF distance=50' 12326-1117 KPP2085 distance=64' 12402-1150 LDS4241 distance=67' 12369-1310 GWP1836 distance=71' 12316-1104 STF1649 distance=84' 12299-1203 HDS1758Aa,Ab distance=85' 12299-1203 BGH 38AB distance=85' 12354-1037 FAL 40 distance=85' 12413-1301 STF1669BC distance=101' 12413-1301 STF1669AB distance=101' 12413-1301 STF1669AC distance=101' 12313-1043 KPP2541 distance=103' 12422-1111 RST3804 distance=108' 12306-1042 VVO 10 distance=110' 12432-1219 KPP 689 distance=112' 12376-1353 HJ 2615 distance=115' 12282-1234 RST3791 distance=115' 12301-1324 BU 28AB distance=117' 12301-1324 LV 19AC distance=117' 12301-1324 LV 19AD distance=117' 12438-1201 HU 738 distance=119' 12309-1026 GWP1821 distance=119' 12303-1331 RST3795 distance=121' 12378-1003 UC 2373 distance=123' 12397-1357 SLW 751 distance=130' 12288-1040 RST3792 distance=130' 12345-1413 UC 2361 distance=133' 12267-1229 BWL 30 distance=135' 12301-1011 RST3793 distance=139' 12275-1045 RST3790 distance=143' 12445-1306 LEP 120 distance=145' 12278-1010 HDS1754 distance=161' 12266-1336 HJ 2611 distance=164' 12251-1304 UC 2333 distance=168' 12254-1320 RST3788AB distance=170' 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 12357-1201 STF1659 AB 351 28.1 0
Show 12357-1201 STF1659 AD 32 189.8 0
Show 12357-1201 STF1659 AE 275 151.2 0
Show 12357-1201 STF1659 AC 69 43.8 0
Show 12357-1201 STF1659 AF 139 209.4 0
Show 12357-1201 STF1659 BC 105 46.7 1
Show 12357-1201 STF1659 EF 121 333.8 3
Show 12357-1201 STF1659 EG 252 12.6 3
Show 12368-1223 HU 134 51 2.3 27
Show 12371-1136 TDS8458 29 5.8 33
Show 12352-1124 UC 2368 147 38.1 39
Show 12383-1131 STF1664 BC 341 68.1 49
Show 12383-1131 STF1664 BD 318 77.9 49
Show 12383-1131 STF1664 CD 258 30.0 49
Show 12383-1131 STF1664 AB 223 38.7 49
Show 12383-1131 STF1664 AE 110 121.4 49
Show 12383-1131 STF1664 AC 306 60.7 49
Show 12383-1131 STF1664 AD 291 83.8 49
Show 12326-1144 GWP1824 215 34.3 50
Show 12330-1132 UC 2356 AB 233 9.7 50
Show 12383-1131 STF1664 EF 112 92.7 50
Show 12326-1117 KPP2085 319 16.8 64
Show 12402-1150 LDS4241 294 67.7 67
Show 12369-1310 GWP1836 7 11.4 71
Show 12316-1104 STF1649 194 15.4 84
Show 12299-1203 HDS1758 Aa,Ab 350 0.3 85
Show 12299-1203 BGH 38 AB 278 115.9 85
Show 12354-1037 FAL 40 230 8.1 85
Show 12413-1301 STF1669 BC 229 58.7 101
Show 12413-1301 STF1669 AB 314 5.3 101
Show 12413-1301 STF1669 AC 228 45.9 101
Show 12313-1043 KPP2541 130 22.9 103
Show 12422-1111 RST3804 260 1.5 108
Show 12306-1042 VVO 10 256 20.0 110
Show 12432-1219 KPP 689 337 6.1 112
Show 12376-1353 HJ 2615 293 10.8 115
Show 12282-1234 RST3791 340 1.5 115
Show 12301-1324 BU 28 AB 351 2.1 117
Show 12301-1324 LV 19 AC 303 71.3 117
Show 12301-1324 LV 19 AD 166 71.2 117
Show 12438-1201 HU 738 268 12.0 119
Show 12309-1026 GWP1821 72 13.4 119
Show 12303-1331 RST3795 201 1.7 121
Show 12378-1003 UC 2373 127 34.0 123
Show 12397-1357 SLW 751 154 168.9 130
Show 12288-1040 RST3792 234 3.8 130
Show 12345-1413 UC 2361 115 20.7 133
Show 12267-1229 BWL 30 70 1.9 135
Show 12301-1011 RST3793 18 1.9 139
Show 12275-1045 RST3790 164 1.1 143
Show 12445-1306 LEP 120 211 10.2 145

 
 
WDS 12357-1201 : COMPONENTS
 
 
  A B C D E F
B pa=348.8°
sep=27.93"
 
C pa=69.1°
sep=43.80"
pa=104.3°
sep=47.82"
 
D pa=32.3°
sep=189.80"
pa=38.8°
sep=170.63"
pa=22.7°
sep=156.94"
 
E pa=275.2°
sep=155.57"
pa=264.9°
sep=150.09"
pa=269.6°
sep=195.85"
pa=240.3°
sep=295.19"
 
F pa=139.4°
sep=209.39"
pa=142.8°
sep=234.13"
pa=151.4°
sep=198.95"
pa=173.8°
sep=321.32"
pa=120.7°
sep=338.74"
 
G pa=273.5°
sep=167.17"
pa=263.9°
sep=162.35"
pa=268.5°
sep=207.85"
pa=240.7°
sep=307.52"
pa=251.7°
sep=12.57"
pa=299.2°
sep=347.11"
 
 
12357-1201 A
 
 
Name HD 109556 Coord arcsec 2000 123543.75-120130.0 Mag 7.94 Spectral class G0 (yellow)
PmRA -146.00 PmDE 19.0 SAO 157383 HIP 61466
Tycho2 5530-02065-1 HD 109556 BD BD-11 3330
Tycho2
Tycho2 5530-02065-1 Pflag RAmdeg 188.93194430 DEmdeg -12.02496409
PmRA -146.4 PmDE 18.9 E RAmdeg 6 E DEmdeg 7
E pmRA 1.4 E pmDE 1.2 EpRAm 1991.41 EpDEm 1990.78
Num 8 Q RAmdeg 0.8 Q DEmdeg 1.0 Q pmRA 0.8
Q pmDE 1.1 BTmag 8.466 E BTmag 0.016 VTmag 7.940
E VTmag 0.012 Prox 275 TYC T HIP 61466
CCDM A RAdeg 188.93228583 DEdeg -12.02500750 EpRA 1990 1.79
EpDE 1990 1.78 E RAdeg 5.5 E DEdeg 7.0 Posflg
Corr 0.1
SAO
SAO 157383 DelFlag RA1950 PmRA1950 -0.0097
DE1950 PmDE1950 -0.01 Vmag 8.5 SpType
Double code Source 20 CatNum 4563 DM BD-11 3331
DMcomp BDsup HD M HD
GC RA1950rad 3.28616676 DE1950rad -0.20494667 PmRA2000 -0.0094
PmDE2000 -0.004
Hipparcos
Catalog H HIP 61466 Proxy RAhms 12 35 43.75
DEdms -12 01 30.0 Vmag 7.99 VarFlag R Vmag G
RAdeg 188.932 DEdeg -12.025 AstroRef A Plx 9.18
CCDM -146.18 N CCDM I Nsys 4 Ncomp 1
MultFlag C Source P Qual B M HIP
Theta Rho HD BD BD-11 3330
CD CP Dm number -11 3330 VIred 0.55
SpType G0 R SpType Coord arcsec 2000 123543.75-120130.0
Hipparcos 2
HIP 61466 Sn 95 So 3 Nc 1
RArad 3.2974908826 DErad -0.2098758767 Plx 6.92 PmRA -146.25
PmDE 18.57 E RArad 0.98 E DErad 0.81 E Plx 1.15
E pmRA 0.99 E pmDE 0.73 Hpmag E Hpmag 0.0048
SHp 0.022 VA 0 BV 0.483 E BV 0.015
VI 0.55
 
 
12357-1201 B
 
 
Coord arcsec 2000 123543.38-120102.6 Coord calc 123543.38-120102.6 Mag 8.34 PmRA -143.00
PmDE 22.0 Delta magnitude 0.4
 
 
12357-1201 C
 
 
Coord arcsec 2000 123546.54-120114.4 Mag 10.89 PmRA -87.00 PmDE 41.0
Delta magnitude 2.95 Coordinate calculated yes
 
 
12357-1201 D
 
 
Coord arcsec 2000 123550.66-115849.6 Mag 9.88 PmRA 1.00 PmDE -19.0
Delta magnitude 1.94 Coordinate calculated yes
 
 
12357-1201 E
 
 
Coord arcsec 2000 123533.19-120115.9 Coord calc 123533.19-120115.9 Mag 6.78 Spectral class G5 (yellow)
PmRA 16.00 PmDE -20.0 SAO 157379 HIP 61449
Tycho2 5530-02063-1 HD 109545 GC 17157 BD BD-11 3328
Delta magnitude 1.16
Tycho2
Tycho2 5530-02063-1 Pflag RAmdeg 188.88832267 DEmdeg -12.02109089
PmRA 18.5 PmDE -20.6 E RAmdeg 4 E DEmdeg 5
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.24 EpDEm 1991.02
Num 14 Q RAmdeg 2.0 Q DEmdeg 0.6 Q pmRA 1.8
Q pmDE 0.6 BTmag 7.870 E BTmag 0.015 VTmag 6.779
E VTmag 0.010 Prox 999 TYC T HIP 61449
CCDM RAdeg 188.88827972 DEdeg -12.02104306 EpRA 1990 1.69
EpDE 1990 1.66 E RAdeg 4.2 E DEdeg 4.8 Posflg
Corr 0.1
SAO
SAO 157379 DelFlag RA1950 PmRA1950 0.0007
DE1950 PmDE1950 -0.028 Vmag 6.8 SpType G5
Double code Source 70 CatNum 17157 DM BD-11 3328
DMcomp BDsup HD 109545 M HD 0
GC 17157 RA1950rad 3.28538209 DE1950rad -0.20499846 PmRA2000 0.001
PmDE2000 -0.022
Hipparcos
Catalog H HIP 61449 Proxy RAhms 12 35 33.19
DEdms -12 01 15.7 Vmag 6.7 VarFlag R Vmag H
RAdeg 188.888 DEdeg -12.021 AstroRef Plx 6.67
CCDM 16.03 N CCDM I Nsys 4 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD BD-11 3328
CD CP Dm number -11 3328 VIred 0.93
SpType G5 R SpType Coord arcsec 2000 123533.19-120115.7
Hipparcos 2
HIP 61449 Sn 5 So 0 Nc 1
RArad 3.2967223457 DErad -0.209806717 Plx 5.47 PmRA 16.15
PmDE -20.32 E RArad 0.37 E DErad 0.3 E Plx 0.42
E pmRA 0.38 E pmDE 0.28 Hpmag E Hpmag 0.0008
SHp 0.01 VA 0 BV 0.938 E BV 0.009
VI 0.93
 
 
12357-1201 F
 
 
Coord arcsec 2000 123553.04-120409.0 Mag 6.64 PmRA -20.00 PmDE 23.0
SAO 157385 HIP 61486 Tycho2 5531-01561-1 HD 109584
GC 17162 BD BD-11 3333 Delta magnitude 1.3 Coordinate calculated yes
Tycho2
Tycho2 5531-01561-1 Pflag RAmdeg 188.96980981 DEmdeg -12.06913335
PmRA -20.4 PmDE 24.5 E RAmdeg 4 E DEmdeg 5
E pmRA 1.0 E pmDE 1.1 EpRAm 1991.33 EpDEm 1991.07
Num 15 Q RAmdeg 0.8 Q DEmdeg 0.6 Q pmRA 0.8
Q pmDE 0.5 BTmag 7.007 E BTmag 0.015 VTmag 6.639
E VTmag 0.010 Prox 999 TYC T HIP 61486
CCDM RAdeg 188.96985722 DEdeg -12.06919000 EpRA 1990 1.79
EpDE 1990 1.72 E RAdeg 3.8 E DEdeg 4.5 Posflg
Corr 0.1
SAO
SAO 157385 DelFlag RA1950 PmRA1950 -0.0019
DE1950 PmDE1950 0.004 Vmag 6.6 SpType F0
Double code Source 70 CatNum 17162 DM BD-11 3333
DMcomp BDsup HD 109584 M HD 0
GC 17162 RA1950rad 3.28681151 DE1950rad -0.20585193 PmRA2000 -0.0016
PmDE2000 0.01
Hipparcos
Catalog H HIP 61486 Proxy RAhms 12 35 52.77
DEdms -12 04 09.1 Vmag 6.61 VarFlag R Vmag G
RAdeg 188.97 DEdeg -12.0692 AstroRef Plx 8.12
CCDM -19.76 N CCDM I Nsys 4 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD BD-11 3333
CD CP Dm number -11 3333 VIred 0.42
SpType F0 R SpType Coord arcsec 2000 123552.77-120409.1
Hipparcos 2
HIP 61486 Sn 5 So 0 Nc 1
RArad 3.2981462712 DErad -0.2106471145 Plx 6.63 PmRA -19.79
PmDE 23.4 E RArad 0.4 E DErad 0.34 E Plx 0.45
E pmRA 0.39 E pmDE 0.3 Hpmag E Hpmag 0.0011
SHp 0.009 VA 0 BV 0.36 E BV 0.015
VI 0.42
 
 
12357-1201 G
 
 
Coord arcsec 2000 123532.38-120119.8 Mag 15.5 PmRA -12.00 PmDE 5.0
Delta magnitude 7.56 Coordinate calculated yes