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Current system
12312+0831
SLW 731


Nearby doubles
31' : 12332+0824
CLZ 56

35' : 12290+0826
WSI 113

43' : 12335+0901
REU 1

47' : 12302+0748
SHN 159

54' : 12348+0838
SKF1851

54' : 12347+0821
SHN 163

65' : 12342+0917
SLW 735

69' : 12281+0920
A 1090

73' : 12306+0943
STF1647

75' : 12264+0851
CVR1432

78' : 12276+0736
GWP1812

79' : 12303+0949
CVR1442

82' : 12278+0935
CBL 595

83' : 12336+0717
TOK 149

83' : 12260+0804
MCT 6

88' : 12351+0727
STF1658AB

89' : 12274+0723
STF1644

90' : 12357+0731
GWP1833

91' : 12262+0923
GWP1809

92' : 12362+0925
KPP2598

94' : 12375+0843
BRT3218AB

97' : 12273+0714
FOX 175

106' : 12335+1012
HJ 212

116' : 12286+1021
TDS8401

119' : 12370+0952
SLW 745

120' : 12358+1009
HEI 512



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

12312+0831 SLW 731

 
 
12h 31m 13.17s +08° 31' 29.0" P.A. 272.00 sep 49.2 mag 16.20,18.30 Sp M2.5+M3.9
 
 
Coord 2000 12312+0831 Discov num SLW 731 Comp Coord arcsec 2000 12 31 13.17 +08 31 29.0
Date first 2000 Date last 2016 Obs 8
Pa first 273 Pa last 272.3 P.A. Now (θ) 272.3°
Sep first 49.0 Sep last 49.203 Sep. Now (ρ) 49.203"
Mag pri 16.20 Mag sec 18.30 delta mag (ΔM) 2.1 Spectral class M2.5+M3.9 (red/red)
Pri motion ra -115 Sec motion ra -117
Pri motion dec -038 Sec motion dec -035
Notes V R (Proper motion indicates physical, Red magnitudes)
rPM=0.03 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Virgo Gaia DR2 3902759545479062912
 
 
WDS 12312+0831 SLW 731 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
SLW Sloan Digital Sky Survey SLoWPoKES Catalog ...................
SLW (catalog of wide, low-mass CPM pairs - see Dhital et al. 2010) 2010AJ....139.2566D
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12312+0831 SLW 731 2003 1 272 49.2 16.20 18.30 M2.5 M3.9 V R 123113.17+083129.0
12312+0831 SLW 731 2010 3 272 49.2 16.20 18.30 M2.5+M3.9 V R 123113.17+083129.0
12312+0831 SLW 731 2015 4 272 49.2 16.20 18.30 M2.5+M3.9 V R 123113.17+083129.0
12312+0831 SLW 731 2016 8 272 49.2 16.20 18.30 M2.5+M3.9 V R 123113.17+083129.0

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

 
 
WDS 12312+0831 SLW 731 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12312+0831 SLW 731 : MEASURES
 
 
No records found.

 
 
WDS 12312+0831 : VIRTUAL EYEPIECE
 
 

12312+0831 SLW 731A mag 16.2 Sp M2.5 12312+0831 SLW 731B sep 48.7 P.A. 272.30 mag 18.3 Sp M3.9 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 12312+0831 : ALADIN DSS IMAGE @ 12h 31m 13.17s +08° 31' 29.0"
 
 
 
 
WDS 12312+0831 SLW 731 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12312+0831 SLW 731 distance=0' 12332+0824 CLZ 56 distance=31' 12290+0826 WSI 113 distance=35' 12335+0901 REU 1 distance=43' 12302+0748 SHN 159 distance=47' 12348+0838 SKF1851 distance=54' 12347+0821 SHN 163 distance=54' 12342+0917 SLW 735 distance=65' 12281+0920 A 1090 distance=69' 12306+0943 STF1647 distance=73' 12264+0851 CVR1432 distance=75' 12276+0736 GWP1812 distance=78' 12303+0949 CVR1442 distance=79' 12278+0935 CBL 595 distance=82' 12336+0717 TOK 149 distance=83' 12260+0804 MCT 6 distance=83' 12351+0727 STF1658AB distance=88' 12351+0727 STF1658AC distance=88' 12274+0723 STF1644 distance=89' 12357+0731 GWP1833 distance=90' 12262+0923 GWP1809 distance=91' 12362+0925 KPP2598 distance=92' 12375+0843 FYM 622BC distance=94' 12375+0843 BRT3218AB distance=94' 12273+0714 FOX 175 distance=97' 12335+1012 HJ 212 distance=106' 12286+1021 TDS8401 distance=116' 12370+0952 SLW 745 distance=119' 12358+1009 HEI 512 distance=120' 12236+0912 LDS1304 distance=120' 12337+1026 BRT3298 distance=125' 12238+0717 CVR1428 distance=134' 12394+0734 YSC 213AB distance=134' 12394+0734 YSC 213AB,C distance=134' 12322+0614 SKF1849 distance=138' 12241+1004 CVR 653 distance=141' 12237+0703 SLW 713 distance=143' 12364+0630 SLW 742 distance=144' 12409+0850 STF1668AB distance=145' 12409+0850 STF1668AC distance=145' 12215+0749 YSC 236 distance=151' 12277+0609 HDS1753 distance=152' 12231+0651 TDS8361 distance=158' 12407+0720 AMS 5 distance=158' 12293+0556 CVR1440 distance=158' 12345+0558 BU 797AB distance=162' 12345+0558 BU 797AB,C distance=162' 12237+0625 CLZ 55 distance=169' 12286+1117 UC 2345 distance=171' 12418+0722 A 1782 distance=172' 12419+0726 DAM 806 distance=173' 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 12312+0831 SLW 731 272 49.2
Show 12332+0824 CLZ 56 147 110.9 31
Show 12290+0826 WSI 113 16 0.2 35
Show 12335+0901 REU 1 290 0.4 43
Show 12302+0748 SHN 159 -1 0.7 47
Show 12348+0838 SKF1851 32 2.1 54
Show 12347+0821 SHN 163 -1 0.5 54
Show 12342+0917 SLW 735 342 113.2 65
Show 12281+0920 A 1090 92 1.9 69
Show 12306+0943 STF1647 249 1.3 73
Show 12264+0851 CVR1432 140 3.5 75
Show 12276+0736 GWP1812 166 14.9 78
Show 12303+0949 CVR1442 355 4.1 79
Show 12278+0935 CBL 595 303 11.0 82
Show 12336+0717 TOK 149 223 17.1 83
Show 12260+0804 MCT 6 109 2.0 83
Show 12351+0727 STF1658 AB 20 2.8 88
Show 12351+0727 STF1658 AC 266 129.1 88
Show 12274+0723 STF1644 239 19.0 89
Show 12357+0731 GWP1833 283 23.0 90
Show 12262+0923 GWP1809 260 48.6 91
Show 12362+0925 KPP2598 43 23.6 92
Show 12375+0843 FYM 622 BC 6 5.4 94
Show 12375+0843 BRT3218 AB 357 7.7 94
Show 12273+0714 FOX 175 320 62.7 97
Show 12335+1012 HJ 212 264 21.7 106
Show 12286+1021 TDS8401 105 0.7 116
Show 12370+0952 SLW 745 274 38.9 119
Show 12358+1009 HEI 512 161 0.3 120
Show 12236+0912 LDS1304 32 11.7 120
Show 12337+1026 BRT3298 189 9.6 125
Show 12238+0717 CVR1428 358 3.4 134
Show 12394+0734 YSC 213 AB 270 0.0 134
Show 12394+0734 YSC 213 AB,C 238 1.6 134
Show 12322+0614 SKF1849 292 10.6 138
Show 12241+1004 CVR 653 124 13.7 141
Show 12237+0703 SLW 713 113 9.0 143
Show 12364+0630 SLW 742 191 144.8 144
Show 12409+0850 STF1668 AB 187 1.1 145
Show 12409+0850 STF1668 AC 98 14.8 145
Show 12215+0749 YSC 236 87 0.5 151
Show 12277+0609 HDS1753 149 0.5 152
Show 12231+0651 TDS8361 69 0.5 158
Show 12407+0720 AMS 5 1 12.1 158
Show 12293+0556 CVR1440 277 3.4 158
Show 12345+0558 BU 797 AB 146 0.6 162
Show 12345+0558 BU 797 AB,C 3 77.0 162
Show 12237+0625 CLZ 55 160 23.4 169
Show 12286+1117 UC 2345 22.0 171
Show 12418+0722 A 1782 135 1.9 172
Show 12419+0726 DAM 806 72 20.0 173

 
 
WDS 12312+0831 : COMPONENTS
 
 
  A
B pa=272.3°
sep=48.66"
 
 
12312+0831 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 123113.17+083129.0 Mag 16.2 Spectral class M2.5 (red)
PmRA -115.00 PmDE -38.0
 
 
12312+0831 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 123109.89+083131.0 Mag 18.3 Spectral class M3.9 (red)
PmRA -117.00 PmDE -35.0 Calc delta mag 2.1 Calc coord yes