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Doubles in session


Current system
12207+2939
SDK 54


Nearby doubles
21' : 12220+2928
RAO 656

25' : 12197+3000
SKF2589

33' : 12208+2906
SKF 494

39' : 12219+2909
HJ 518

41' : 12183+2913
CVR 649

56' : 12169+2913
SKF1118

57' : 12167+3004
AG 176

60' : 12175+2856
STT 245

61' : 12215+3038
GIC 106

69' : 12219+2833
LDS1300

77' : 12225+2827
SKF1475

84' : 12183+2822
LDS1289

90' : 12205+3109
SEI 531

91' : 12195+2809
LEP 53

92' : 12258+2836
LEP 132

96' : 12279+2931
SKF 489

97' : 12140+2858
GUR 34

100' : 12212+3118
SKF1119

102' : 12191+3118
DAM1444

102' : 12201+3121
SEI 530

103' : 12133+3013
SKF 65

103' : 12285+2953
ES 436

104' : 12285+2957
LDS4215

106' : 12189+3119
LDS1291

110' : 12141+3049
NSN 626

111' : 12190+2751
TDS8321



Selections
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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.

12207+2939 SDK 54

 
 
12h 20m 39.45s +29° 38' 51.9" P.A. 316.00 sep 13.6 mag 15.73,17.10 Sp M
 
 
Coord 2000 12207+2939 Discov num SDK  54 Comp Coord arcsec 2000 12 20 39.45 +29 38 51.9
Date first 1955 Date last 2016 Obs 11
Pa first 317 Pa last 316.3 P.A. Now (θ) 316.3°
Sep first 13.6 Sep last 13.564 Sep. Now (ρ) 13.564"
Mag pri 15.73 Mag sec 17.10 delta mag (ΔM) 1.37 Spectral class M (red)
Pri motion ra -009 Sec motion ra -008
Pri motion dec -025 Sec motion dec -022
Notes
rPM=0.119 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Coma Berenices Gaia DR2 4013423191791465728
 
 
WDS 12207+2939 SDK 54 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Sdk1990 C - Sanduleak, N. & Pesch, P. 1990PASP..102..440S
Sdk1990 +Po PASP 102, 440, 1990
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12207+2939 SDK 54 2000 2 316 13.6 15.30   M D 122039.45+293851.9
12207+2939 SDK 54 2001 3 317 13.7 15.73 17.10 M D 122039.45+293851.9
12207+2939 SDK 54 2010 5 316 13.5 15.73 17.10 M D 122039.45+293851.9
12207+2939 SDK 54 2015 6 316 13.6 15.73 17.10 M 122039.45+293851.9
12207+2939 SDK 54 2016 11 316 13.6 15.73 17.10 M 122039.45+293851.9

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

 
 
WDS 12207+2939 SDK 54 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12207+2939 SDK 54 : MEASURES
 
 
No records found.

 
 
WDS 12207+2939 : VIRTUAL EYEPIECE
 
 

12207+2939 SDK 54A mag 15.73 Sp M 12207+2939 SDK 54B sep 12.8 P.A. 320.30 mag 17.1 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 12207+2939 : ALADIN DSS IMAGE @ 12h 20m 39.45s +29° 38' 51.9"
 
 
 
 
WDS 12207+2939 SDK 54 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12207+2939 SDK 54 distance=1' 12220+2928 RAO 656 distance=21' 12197+3000 SKF2589 distance=25' 12208+2906 SKF 494 distance=33' 12219+2909 HJ 518 distance=39' 12183+2913 CVR 649 distance=41' 12169+2913 SKF1118 distance=56' 12167+3004 AG 176 distance=57' 12175+2856 STT 245 distance=60' 12215+3038 GIC 106 distance=61' 12219+2833 LDS1300 distance=69' 12225+2827 SKF1475 distance=77' 12183+2822 LDS1289 distance=84' 12205+3109 SEI 531 distance=90' 12195+2809 LEP 53 distance=91' 12258+2836 LEP 132 distance=92' 12279+2931 SKF 489 distance=96' 12140+2858 GUR 34 distance=97' 12212+3118 SKF1119 distance=100' 12191+3118 DAM1444 distance=102' 12201+3121 SEI 530 distance=102' 12133+3013 SKF 65 distance=103' 12285+2953 ES 436 distance=103' 12285+2957 LDS4215 distance=104' 12189+3119 LDS1291 distance=106' 12141+3049 NSN 626 distance=110' 12190+2751 TDS8321 distance=111' 12290+3006 CVR1439 distance=113' 12180+2751 CBL 378 distance=114' 12248+3119 TDS8370 distance=114' 12295+2931 BU 1324BC distance=116' 12295+2931 BU 1324AB distance=116' 12295+2931 BU 1324AC distance=116' 12287+2836 LDS1312 distance=117' 12269+2816 SMR 58 distance=117' 12117+3011 KPP3251 distance=121' 12283+2828 LDS4213 distance=123' 12218+2738 LDS1299 distance=123' 12280+3058 LDS3044 distance=124' 12223+2737 RAO 276 distance=124' 12298+3022 LDS4219 distance=127' 12254+3129 SKF1477 distance=127' 12279+3110 LDS1310 distance=131' 12120+2832 CHR 136Aa,Ab distance=132' 12120+2832 LDS1285AB distance=132' 12120+2832 RBR 41Aa,Ac distance=132' 12303+2858 LDS4222 distance=133' 12191+3151 RAO 274AB distance=134' 12191+3151 LDT 5Aa,Ab distance=134' 12297+2837 HJ 3339 distance=134' 12280+3114 LDS4211 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 12207+2939 SDK 54 316 13.6 1
Show 12220+2928 RAO 656 22 0.2 21
Show 12197+3000 SKF2589 182 6.3 25
Show 12208+2906 SKF 494 49 4.8 33
Show 12219+2909 HJ 518 328 24.8 39
Show 12183+2913 CVR 649 151 16.7 41
Show 12169+2913 SKF1118 200 8.8 56
Show 12167+3004 AG 176 184 2.3 57
Show 12175+2856 STT 245 282 8.4 60
Show 12215+3038 GIC 106 119 4.5 61
Show 12219+2833 LDS1300 99 62.1 69
Show 12225+2827 SKF1475 294 1.9 77
Show 12183+2822 LDS1289 181 117.5 84
Show 12205+3109 SEI 531 28 30.5 90
Show 12195+2809 LEP 53 224 545.5 91
Show 12258+2836 LEP 132 235 16.0 92
Show 12279+2931 SKF 489 48 4.3 96
Show 12140+2858 GUR 34 132 0.5 97
Show 12212+3118 SKF1119 256 76.2 100
Show 12191+3118 DAM1444 318 3.8 102
Show 12201+3121 SEI 530 134 27.7 102
Show 12133+3013 SKF 65 177 7.6 103
Show 12285+2953 ES 436 136 2.0 103
Show 12285+2957 LDS4215 247 101.2 104
Show 12189+3119 LDS1291 322 53.9 106
Show 12141+3049 NSN 626 286 5.0 110
Show 12190+2751 TDS8321 267 0.7 111
Show 12290+3006 CVR1439 131 3.7 113
Show 12180+2751 CBL 378 331 37.0 114
Show 12248+3119 TDS8370 128 3.7 114
Show 12295+2931 BU 1324 BC 180 74.2 116
Show 12295+2931 BU 1324 AB 224 2.4 116
Show 12295+2931 BU 1324 AC 181 75.8 116
Show 12287+2836 LDS1312 297 125.0 117
Show 12269+2816 SMR 58 207 16.1 117
Show 12117+3011 KPP3251 152 2.3 121
Show 12283+2828 LDS4213 80 2.0 123
Show 12218+2738 LDS1299 207 12.9 123
Show 12280+3058 LDS3044 10 2.0 124
Show 12223+2737 RAO 276 281 2.0 124
Show 12298+3022 LDS4219 336 82.5 127
Show 12254+3129 SKF1477 158 6.9 127
Show 12279+3110 LDS1310 274 45.4 131
Show 12120+2832 CHR 136 Aa,Ab 176 0.2 132
Show 12120+2832 LDS1285 AB 165 143.5 132
Show 12120+2832 RBR 41 Aa,Ac 57 1.4 132
Show 12303+2858 LDS4222 222 10.8 133
Show 12191+3151 RAO 274 AB 219 1.7 134
Show 12191+3151 LDT 5 Aa,Ab 299 0.1 134
Show 12297+2837 HJ 3339 157 19.9 134
Show 12280+3114 LDS4211 87 129.6 134

 
 
WDS 12207+2939 : COMPONENTS
 
 
  A
B pa=320.3°
sep=12.75"
 
 
12207+2939 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 122039.45+293851.9 Mag 15.73 Spectral class M (red)
PmRA -9.00 PmDE -25.0
 
 
12207+2939 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 122038.83+293901.7 Mag 17.1 PmRA -8.00
PmDE -22.0 Calc delta mag 1.37 Calc coord yes