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Doubles in session


Current system
12205+3109
SEI 531


Nearby doubles
13' : 12212+3118
SKF1119

14' : 12201+3121
SEI 530

21' : 12191+3118
DAM1444

32' : 12215+3038
GIC 106

34' : 12189+3119
LDS1291

47' : 12191+3151
RAO 274AB

55' : 12248+3119
TDS8370

63' : 12193+3209
SLW 707

66' : 12254+3129
SKF1477

66' : 12247+3146
CVR 654

69' : 12197+3000
SKF2589

69' : 12176+3205
LDS1288

81' : 12167+3004
AG 176

85' : 12141+3049
NSN 626

90' : 12207+2939
SDK 54

92' : 12276+3124
LDS4209

95' : 12280+3114
LDS4211

96' : 12279+3110
LDS1310

97' : 12280+3058
LDS3044

102' : 12220+2928
RAO 656

103' : 12160+3233
CVR1418

105' : 12283+3143
LDS4214

110' : 12133+3013
SKF 65

111' : 12291+3123
STT 251

113' : 12278+3212
SLW 726

114' : 12232+3257
HDS1744



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.

12205+3109 SEI 531

 
 
12h 20m 33.51s +31° 08' 04.7" P.A. 28.00 sep 30.5 mag 11.66,12.79 Sp M:V: dist. 44.44 pc (144.96 l.y.)
 
 
Coord 2000 12205+3109 Discov num SEI 531 Comp Coord arcsec 2000 12 20 33.51 +31 08 04.7
Date first 1894 Date last 2016 Obs 14
Pa first 29 Pa last 27.9 P.A. Now (θ) 27.9°
Sep first 28.1 Sep last 30.534 Sep. Now (ρ) 30.534"
Mag pri 11.66 Mag sec 12.79 delta mag (ΔM) 1.13 Spectral class M:V: (red)
Pri motion ra +004 Sec motion ra +014
Pri motion dec -025 Sec motion dec -010
Notes
rPM=0.712
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Coma Berenices HIP 60186 Tycho2 2528-00044-1 Gaia DR2 4015256902308105088
Distance 44.44 Distance ly 144.96
 
 
WDS 12205+3109 SEI 531 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Sei1908 Pa - Scheiner, J. 1908POPot..59.....S
Sei1908 +Po Pub. Obs. Potsdam 20, #59, 1908
Sei1913A Pa - Scheiner, J. 1913QB811.B8.......
Sei1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Sei1932A Pa - Scheiner, J. 1932QB821.A43......
Sei1932A cited in ADS (Aitken Double Star Cat.), 1932
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12205+3109 SEI 531 1998 5 28 30.1 11.80 12.90 D 122033.51+310804.7
12205+3109 SEI 531 2008 6 28 30.8 11.80 12.90 D 122033.51+310804.7
12205+3109 SEI 531 2010 8 28 30.3 11.66 12.79 M:V: 122033.51+310804.7
12205+3109 SEI 531 2016 9 28 30.5 11.66 12.79 M:V: 122033.51+310804.7

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

 
 
WDS 12205+3109 SEI 531 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12205+3109 SEI 531 : MEASURES
 
 
No records found.

 
 
WDS 12205+3109 : VIRTUAL EYEPIECE
 
 

12205+3109 SEI 531A mag 11.66 Sp M:V: 12205+3109 SEI 531B sep 29.6 P.A. 24.40 mag 12.79 virtual eyepiece
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Radius:
Components only
 
 
WDS 12205+3109 : ALADIN DSS IMAGE @ 12h 20m 33.51s +31° 08' 04.7"
 
 
 
 
WDS 12205+3109 SEI 531 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12205+3109 SEI 531 distance=0' 12212+3118 SKF1119 distance=13' 12201+3121 SEI 530 distance=14' 12191+3118 DAM1444 distance=21' 12215+3038 GIC 106 distance=32' 12189+3119 LDS1291 distance=34' 12191+3151 RAO 274AB distance=47' 12191+3151 LDT 5Aa,Ab distance=47' 12248+3119 TDS8370 distance=55' 12193+3209 SLW 707 distance=63' 12254+3129 SKF1477 distance=66' 12247+3146 CVR 654 distance=66' 12197+3000 SKF2589 distance=69' 12176+3205 LDS1288 distance=69' 12167+3004 AG 176 distance=81' 12141+3049 NSN 626 distance=85' 12207+2939 SDK 54 distance=90' 12276+3124 LDS4209 distance=92' 12280+3114 LDS4211 distance=95' 12279+3110 LDS1310 distance=96' 12280+3058 LDS3044 distance=97' 12220+2928 RAO 656 distance=102' 12160+3233 CVR1418 distance=103' 12283+3143 LDS4214 distance=105' 12133+3013 SKF 65 distance=110' 12291+3123 STT 251 distance=111' 12278+3212 SLW 726 distance=113' 12232+3257 HDS1744 distance=114' 12288+3155 COU 965 distance=116' 12115+3105 SLW 692 distance=116' 12183+2913 CVR 649 distance=119' 12220+3309 UC 2324 distance=122' 12219+2909 HJ 518 distance=122' 12208+2906 SKF 494 distance=123' 12169+2913 SKF1118 distance=125' 12285+2957 LDS4215 distance=125' 12290+3006 CVR1439 distance=126' 12165+3304 CHR 37 distance=127' 12285+2953 ES 436 distance=127' 12298+3022 LDS4219 distance=128' 12117+3011 KPP3251 distance=128' 12141+3247 A 2058BC distance=129' 12141+3247 STF1615AB distance=129' 12107+3056 LDS1282 distance=129' 12143+3252 SHN 152 distance=131' 12104+3055 SEI 529 distance=133' 12309+3119 SKF2707AB distance=134' 12309+3119 SKF2707AC distance=134' 12310+3125 MET 60 distance=136' 12279+2931 SKF 489 distance=137' 12302+3211 LDS4221 distance=137' 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 12205+3109 SEI 531 28 30.5
Show 12212+3118 SKF1119 256 76.2 13
Show 12201+3121 SEI 530 134 27.7 14
Show 12191+3118 DAM1444 318 3.8 21
Show 12215+3038 GIC 106 119 4.5 32
Show 12189+3119 LDS1291 322 53.9 34
Show 12191+3151 RAO 274 AB 219 1.7 47
Show 12191+3151 LDT 5 Aa,Ab 299 0.1 47
Show 12248+3119 TDS8370 128 3.7 55
Show 12193+3209 SLW 707 87 172.6 63
Show 12254+3129 SKF1477 158 6.9 66
Show 12247+3146 CVR 654 271 17.4 66
Show 12197+3000 SKF2589 182 6.3 69
Show 12176+3205 LDS1288 330 6.6 69
Show 12167+3004 AG 176 184 2.3 81
Show 12141+3049 NSN 626 286 5.0 85
Show 12207+2939 SDK 54 316 13.6 90
Show 12276+3124 LDS4209 359 11.6 92
Show 12280+3114 LDS4211 87 129.6 95
Show 12279+3110 LDS1310 274 45.4 96
Show 12280+3058 LDS3044 10 2.0 97
Show 12220+2928 RAO 656 22 0.2 102
Show 12160+3233 CVR1418 133 3.1 103
Show 12283+3143 LDS4214 219 17.9 105
Show 12133+3013 SKF 65 177 7.6 110
Show 12291+3123 STT 251 55 0.7 111
Show 12278+3212 SLW 726 130 88.3 113
Show 12232+3257 HDS1744 275 0.2 114
Show 12288+3155 COU 965 249 1.0 116
Show 12115+3105 SLW 692 301 110.8 116
Show 12183+2913 CVR 649 151 16.7 119
Show 12220+3309 UC 2324 157 48.6 122
Show 12219+2909 HJ 518 328 24.8 122
Show 12208+2906 SKF 494 49 4.8 123
Show 12169+2913 SKF1118 200 8.8 125
Show 12285+2957 LDS4215 247 101.2 125
Show 12290+3006 CVR1439 131 3.7 126
Show 12165+3304 CHR 37 172 0.3 127
Show 12285+2953 ES 436 136 2.0 127
Show 12298+3022 LDS4219 336 82.5 128
Show 12117+3011 KPP3251 152 2.3 128
Show 12141+3247 A 2058 BC 274 3.0 129
Show 12141+3247 STF1615 AB 88 26.8 129
Show 12107+3056 LDS1282 11 50.5 129
Show 12143+3252 SHN 152 -1 0.4 131
Show 12104+3055 SEI 529 356 18.5 133
Show 12309+3119 SKF2707 AB 95 1.8 134
Show 12309+3119 SKF2707 AC 110 86.9 134
Show 12310+3125 MET 60 342 2.1 136
Show 12279+2931 SKF 489 48 4.3 137
Show 12302+3211 LDS4221 102 93.0 137

 
 
WDS 12205+3109 : COMPONENTS
 
 
  A
B pa=24.4°
sep=29.63"
 
 
12205+3109 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 122033.51+310804.7 Mag 11.66 Spectral class M:V: (red)
PmRA 4.00 PmDE -25.0 HIP 60186 Tycho2 2528-00044-1
Tycho2
Tycho2 2528-00044-1 Pflag RAmdeg 185.13962260 DEmdeg 31.13459331
PmRA 3.9 PmDE -27.9 E RAmdeg 81 E DEmdeg 80
E pmRA 2.5 E pmDE 2.4 EpRAm 1977.59 EpDEm 1975.72
Num 4 Q RAmdeg 0.7 Q DEmdeg 0.5 Q pmRA 0.7
Q pmDE 0.5 BTmag 13.516 E BTmag 0.358 VTmag 11.782
E VTmag 0.143 Prox 999 TYC HIP 60186
CCDM RAdeg 185.13961500 DEdeg 31.13465528 EpRA 1990 1.73
EpDE 1990 1.78 E RAdeg 88.9 E DEdeg 89.3 Posflg
Corr 0.1
Hipparcos
Catalog H HIP 60186 Proxy RAhms 12 20 33.51
DEdms +31 08 04.7 Vmag 11.62 VarFlag R Vmag H
RAdeg 185.14 DEdeg 31.1346 AstroRef Plx 21.26
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD
CD CP Dm number VIred 2.02
SpType M: R SpType Coord arcsec 2000 122033.51+310804.7
Hipparcos 2
HIP 60186 Sn 5 So 0 Nc 1
RArad 3.2312959584 DErad 0.5434018466 Plx 22.5 PmRA 8.15
PmDE -29.87 E RArad 2.36 E DErad 1.93 E Plx 2.72
E pmRA 2.65 E pmDE 2.57 Hpmag 11.7024 E Hpmag 0.0072
SHp 0.057 VA 0 BV 1.594 E BV 0.4
VI 2.02
 
 
12205+3109 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 122034.46+310831.7 Mag 12.79 PmRA 14.00
PmDE -10.0 Calc delta mag 1.13 Calc coord yes