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Doubles in session


Current system
12554+6953
A 1092


Nearby doubles
11' : 12562+7003
HJ 2626

43' : 13034+7004
HJ 2636

48' : 13026+7022
TDS8658

64' : 13062+7026
JNN 87

76' : 12573+6839
KPP3261

82' : 12402+7019
NSN 632

88' : 12511+7117
LDS1759

94' : 13022+7121
WFC 133

94' : 13107+7046
BVD 100

101' : 13119+6902
TDS8717

103' : 12359+6939
FMR 107

104' : 13088+6838
SKF2713

111' : 12537+7144
HDS1809

112' : 12457+7133
LDS1756

113' : 12411+6831
STF1671AB

118' : 13068+6813
TDS8694

121' : 12599+7151
LDS1763

122' : 13044+6800
LDS2664

123' : 13033+6759
CVR1483

132' : 13033+6749
TDS8668

133' : 13018+6746
MLR 153AB

138' : 13112+6805
TDS 692

140' : 12487+7209
MLR 327

144' : 12380+6804
LDS2655

154' : 13026+6725
CVR 677

167' : 13104+6729
SKF2326



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.

12554+6953 A 1092

 
 
12h 55m 22.52s +69° 53' 14.9" P.A. 169.00 sep 0.3 mag 9.73,9.88 Sp G5 dist. 72.62 pc (236.89 l.y.)
 
 
Coord 2000 12554+6953 Discov num A  1092 Comp Coord arcsec 2000 12 55 22.52 +69 53 14.9
Date first 1905 Date last 2014 Obs 23
Pa first 157 Pa last 169.4 P.A. Now (θ) 169.4°
Sep first 0.3 Sep last 0.333 Sep. Now (ρ) 0.333"
Mag pri 9.73 Mag sec 9.88 delta mag (ΔM) 0.15 Spectral class G5 (yellow)
Pri motion ra -043 Sec motion ra
Pri motion dec -016 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco HIP 63071 Tycho2 4401-01239-1 ADS 8705
BD BD+70 720 Distance 72.62 Distance ly 236.89
 
 
ORBITAL ELEMENTS
 
 
Period (P)58y Periastron (T)1941.1y Semi-major axis (a)0.22a
Eccentricity (e)0.62 Inclination (i)146.3° Longitude of periastron (ω)136.8°
Node (Ω)104.9° Notesn ReferenceBaz1959
Equinox Last observation1958 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 296.5 0.087
2001 274.0 0.100
2002 256.5 0.112
2003 242.6 0.125
2004 231.0 0.137
2005 221.4 0.149
2006 213.2 0.161
2007 206.2 0.173
2008 200.1 0.185
2009 194.6 0.196
2010 189.8 0.208
2011 185.5 0.218
2012 181.6 0.229
2013 178.0 0.239
2014 174.7 0.249
2015 171.6 0.258
2016 168.8 0.266
2017 166.1 0.274
2018 163.6 0.282
2019 161.2 0.289
2020 158.9 0.296
2021 156.7 0.302
2022 154.6 0.308
2023 152.5 0.313
2024 150.6 0.317
2025 148.6 0.321
2026 146.7 0.324
2027 144.9 0.327
2028 143.1 0.329
2029 141.3 0.331
2030 139.5 0.332


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


 
  


wds12554%2B6953a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 12554+6953 A 1092 : NOTES
 
 
discov_num notes refcode
A 1092 Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 1.49 +/- 0.47, 1.92, and 0.95 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Baz1959 orb - Baize, P. 1959JO.....42..109B
Baz1959 J. Obs. 42, 109-121, 1959
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
 
 
DISCOVERER
 
 
idgroup discov author
1 A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12554+6953 A 1092 2004 21 213 0.2 9.73 9.88 G5 NO 125522.52+695314.9
12554+6953 A 1092 2010 22 0 0.3 9.73 9.88 G5 NO 125522.52+695314.9
12554+6953 A 1092 2014 23 169 0.3 9.73 9.88 G5 NO 125522.52+695314.9

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

 
 
WDS 12554+6953 A 1092 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12554+6953 A 1092 : MEASURES
 
 
No records found.

 
 
WDS 12554+6953 : VIRTUAL EYEPIECE
 
 

12554+6953 A 1092A mag 9.73 Sp G5 12554+6953 A 1092B sep 0.3 P.A. 176.30 mag 9.88 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 12554+6953 : ALADIN DSS IMAGE @ 12h 55m 22.52s +69° 53' 14.9"
 
 
 
 
WDS 12554+6953 A 1092 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12554+6953 A 1092 distance=1' 12562+7003 HJ 2626 distance=11' 13034+7004 HJ 2636 distance=43' 13026+7022 TDS8658 distance=48' 13062+7026 JNN 87 distance=64' 12573+6839 KPP3261 distance=76' 12402+7019 NSN 632 distance=82' 12511+7117 LDS1759 distance=88' 13022+7121 WFC 133 distance=94' 13107+7046 BVD 100 distance=94' 13119+6902 TDS8717 distance=101' 12359+6939 FMR 107 distance=103' 13088+6838 SKF2713 distance=104' 12537+7144 HDS1809 distance=111' 12457+7133 LDS1756 distance=112' 12411+6831 STF1671AB distance=113' 12411+6831 STF1671AC distance=113' 13068+6813 TDS8694 distance=118' 12599+7151 LDS1763 distance=121' 13044+6800 LDS2664 distance=122' 13033+6759 CVR1483 distance=123' 13033+6749 TDS8668 distance=132' 13018+6746 MLR 153AB distance=133' 13018+6746 GII 194Aa,Ab distance=133' 12490+7207 TDS 676AC distance=138' 13112+6805 TDS 692 distance=138' 12487+7209 MLR 327 distance=140' 12380+6804 LDS2655 distance=144' 13026+6725 CVR 677 distance=154' 13104+6729 SKF2326 distance=167' 12417+7229 UC 2388AB distance=170' 13135+6717 STFA 25BC distance=183' 13135+6717 STFA 25AB distance=185' 13135+6717 STFA 25AC distance=185' 13135+7242 KPP1042 distance=191' 13048+7302 BU 799AB distance=194' 13048+7302 BU 799AB,C distance=194' 12596+7307 TDS8630 distance=196' 12568+7324 TDS8607 distance=211' 13097+6630 MLR 155 distance=219' 13110+6631 SKF2603 distance=220' 12365+7319 A 1091AB distance=225' 12365+7319 HJL1071AC distance=225' 12382+6628 LDS2656 distance=227' 13130+6627 LDS2671 distance=228' 13136+6628 DAM 706 distance=229' 13007+7343 HJ 2633 distance=230' 12490+6607 DEL 4 distance=230' 13110+6619 LDS2669 distance=231' 12376+6623 MLR 152 distance=233' 12572+7407 HJ 2629 distance=254' 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 12554+6953 A 1092 169 0.3 1
Show 12562+7003 HJ 2626 58 12.2 11
Show 13034+7004 HJ 2636 174 9.9 43
Show 13026+7022 TDS8658 154 0.5 48
Show 13062+7026 JNN 87 103 3.8 64
Show 12573+6839 KPP3261 132 1.0 76
Show 12402+7019 NSN 632 99 4.1 82
Show 12511+7117 LDS1759 18 3.8 88
Show 13022+7121 WFC 133 353 4.1 94
Show 13107+7046 BVD 100 246 86.7 94
Show 13119+6902 TDS8717 130 1.9 101
Show 12359+6939 FMR 107 206 8.3 103
Show 13088+6838 SKF2713 96 10.7 104
Show 12537+7144 HDS1809 195 0.2 111
Show 12457+7133 LDS1756 189 7.6 112
Show 12411+6831 STF1671 AB 201 29.0 113
Show 12411+6831 STF1671 AC 153 38.4 113
Show 13068+6813 TDS8694 49 0.7 118
Show 12599+7151 LDS1763 293 2.6 121
Show 13044+6800 LDS2664 333 12.5 122
Show 13033+6759 CVR1483 24 4.9 123
Show 13033+6749 TDS8668 290 0.7 132
Show 13018+6746 MLR 153 AB 236 1.6 133
Show 13018+6746 GII 194 Aa,Ab 112 0.2 133
Show 12490+7207 TDS 676 AC 337 2.0 138
Show 13112+6805 TDS 692 273 1.2 138
Show 12487+7209 MLR 327 288 0.2 140
Show 12380+6804 LDS2655 48 50.4 144
Show 13026+6725 CVR 677 158 10.5 154
Show 13104+6729 SKF2326 320 10.8 167
Show 12417+7229 UC 2388 AB 198 22.5 170
Show 13135+6717 STFA 25 BC 151 180.1 183
Show 13135+6717 STFA 25 AB 298 180.8 185
Show 13135+6717 STFA 25 AC 225 104.5 185
Show 13135+7242 KPP1042 151 8.3 191
Show 13048+7302 BU 799 AB 265 1.4 194
Show 13048+7302 BU 799 AB,C 17 90.8 194
Show 12596+7307 TDS8630 14 0.6 196
Show 12568+7324 TDS8607 174 0.7 211
Show 13097+6630 MLR 155 119 1.5 219
Show 13110+6631 SKF2603 122 22.9 220
Show 12365+7319 A 1091 AB 320 3.8 225
Show 12365+7319 HJL1071 AC 159 78.0 225
Show 12382+6628 LDS2656 257 69.3 227
Show 13130+6627 LDS2671 109 2.6 228
Show 13136+6628 DAM 706 92 19.0 229
Show 13007+7343 HJ 2633 90 4.5 230
Show 12490+6607 DEL 4 221 0.3 230
Show 13110+6619 LDS2669 110 77.9 231
Show 12376+6623 MLR 152 309 0.2 233
Show 12572+7407 HJ 2629 26 27.0 254

 
 
WDS 12554+6953 : COMPONENTS
 
 
  A
B pa=176.3°
sep=0.33"
 
 
12554+6953 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 125522.52+695314.9 Mag 9.73 Spectral class G5 (yellow)
PmRA -43.00 PmDE -16.0 HIP 63071 Tycho2 4401-01239-1
BD BD+70 720
Tycho2
Tycho2 4401-01239-1 Pflag RAmdeg 193.84369933 DEmdeg 69.88741208
PmRA -19.6 PmDE -24.2 E RAmdeg 9 E DEmdeg 9
E pmRA 1.2 E pmDE 1.2 EpRAm 1990.80 EpDEm 1990.73
Num 8 Q RAmdeg 2.1 Q DEmdeg 0.7 Q pmRA 2.1
Q pmDE 0.7 BTmag 9.941 E BTmag 0.022 VTmag 8.978
E VTmag 0.014 Prox 999 TYC T HIP 63071
CCDM AB RAdeg 193.84383222 DEdeg 69.88746833 EpRA 1990 1.76
EpDE 1990 1.64 E RAdeg 8.9 E DEdeg 9.4 Posflg P
Corr 0.1
Hipparcos
Catalog H HIP 63071 Proxy H RAhms 12 55 22.52
DEdms +69 53 14.9 Vmag 8.9 VarFlag R Vmag H
RAdeg 193.844 DEdeg 69.8875 AstroRef * Plx 12.66
CCDM 12554+6953 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 86 Rho 0.215 HD BD BD+70 720
CD CP Dm number +70 720 VIred 0.9
SpType G5 R SpType Coord arcsec 2000 125522.52+695314.9
Hipparcos 2
HIP 63071 Sn 55 So 3 Nc 2
RArad 3.3832129992 DErad 1.2197665282 Plx 13.77 PmRA -16.36
PmDE -24.94 E RArad 0.71 E DErad 0.61 E Plx 0.77
E pmRA 0.77 E pmDE 0.76 Hpmag 9.0495 E Hpmag 0.0026
SHp 0.019 VA 0 BV 0.853 E BV 0.019
VI 0.87
CCDM
Ccdm 12554+6953 RComp Comp A Note1
Note2 Discov num DRAs -1.60 DDEs 14.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 10.2 Sp G5 PmNote *
PmRA -28 PmDE -21 Dm number +70 720 Cat1 BD
Name2 +70 457 Cat2 AGK2/3 HD M HD
ADS BDS A 8705 M ADS BDS N IDS IDS 12517N7026A
HIC 63071
 
 
12554+6953 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 125522.52+695314.6 Mag 9.88 Calc delta mag 0.15
Calc coord yes
CCDM
Ccdm 12554+6953 RComp Comp B Note1 *
Note2 Discov num A 1092 DRAs DDEs
R dRAs Year 1905 Theta Rho
Obs 10 Vmag 10.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 8705 M ADS BDS N IDS IDS 12517N7026B
HIC 63071