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Doubles in session


Current system
02145+6631
MCA 6
55 Cas


Nearby doubles
14' : 02136+6619
TDS2167

27' : 02192+6629
HJ 1113

34' : 02194+6616
TDS2201

57' : 02154+6727
FMR 183

60' : 02130+6533
TDS2160

60' : 02182+6728
HJ 1112

64' : 02118+6529
HJ 1108

66' : 02250+6651
STF 252

70' : 02157+6740
ENG 10AB

76' : 02264+6607
TDS2249

78' : 02101+6518
GIC9008

83' : 02156+6509
TDS2181

84' : 02019+6709
CVR 37

84' : 02248+6730
NSN 526

86' : 02270+6553
AZC 138

88' : 02094+6753
TDS2138

88' : 02053+6740
STF 199AB

94' : 02207+6758
TDS2215

95' : 02156+6806
TDS2180

98' : 01588+6607
KPP 939

98' : 02155+6454
TDS2178

101' : 02291+6724
STF 262AB

102' : 01574+6630
TDS2063

105' : 02108+6450
HDS 291

108' : 01585+6545
KPP1553

113' : 02013+6754
LDS3333



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.

02145+6631 MCA 6 (55 Cas)

 
 
02h 14m 29.10s +66° 31' 28.0" P.A. 188.00 sep 0.1 mag 6.40,7.60 Sp B9V+... dist. 218.82 pc (713.79 l.y.)
 
 
Coord 2000 02145+6631 Discov num MCA   6 Comp Coord arcsec 2000 02 14 29.10 +66 31 28.0
Date first 1980 Date last 2020 Obs 43
Pa first 10 Pa last 187.9 P.A. Now (θ) 209.4°
Sep first 0.1 Sep last 0.08 Sep. Now (ρ) 0.072"
Mag pri 6.40 Mag sec 7.60 delta mag (ΔM) 1.2 Spectral class B9V+... (blue-white)
Pri motion ra -006 Sec motion ra
Pri motion dec -006 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 55 Cas Var name NSV753 Cas Constellation Cassiopeia SAO 12180
HIP 10438 Tycho2 4045-00788-1 Gaia DR2 520166963851585536 HD 13475
HR 640 GC 2661 BD BD+65 239 Flamsteed 55 Cassiopeiae
Flamsteed name 55 Cas FK5 76 Distance 218.82 Distance ly 713.79
 
 
ORBITAL ELEMENTS
 
 
Period (P)40y± 0.1 Periastron (T)2029.4y± 0.1 Semi-major axis (a)82.3m± 0.3
Eccentricity (e)0.362± 0.003 Inclination (i)24°± 1 Longitude of periastron (ω)223.3°± 4.7
Node (Ω)83.1°± 4.5 Notesn ReferenceMit2021
Equinox Last observation2020 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 79.1 0.095
2001 84.7 0.098
2002 89.9 0.101
2003 94.9 0.104
2004 99.6 0.105
2005 104.2 0.107
2006 108.7 0.108
2007 113.2 0.108
2008 117.6 0.108
2009 122.0 0.108
2010 126.5 0.107
2011 131.1 0.106
2012 135.8 0.104
2013 140.6 0.103
2014 145.7 0.100
2015 151.0 0.098
2016 156.5 0.095
2017 162.5 0.092
2018 168.8 0.089
2019 175.6 0.086
2020 182.9 0.082
2021 190.9 0.079
2022 199.7 0.075
2023 209.4 0.072
2024 220.0 0.068
2025 231.9 0.064
2026 245.2 0.061
2027 260.1 0.057
2028 276.9 0.054
2029 295.8 0.051
2030 316.3 0.050


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


 
  


wds02145%2B6631c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 02145+6631 MCA 6 (55 Cas) : NOTES
 
 
discov_num notes refcode
MCA 6 55 Cas. Composite spectrum star: B9V + G0II-III, delta m = 0.2 mag Bnu1984
(Markowitz 1969) Mrz1969
Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 3.70 +/- 1.31, 6.94, and 2.57 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Bnu1984 S j Bonneau, D., Carquillat, J.M., & Vidal, J.L. 1984A&AS...58..729B
Bnu1984 A&AS 58, 729, 1984
Mit2021 S - Mitrofanova, A., Dyachenko, V., Beskakotov, A., Balega, Y., Maksimov, A. & 2021AJ....162..156M
Mit2021 +orb Rastegaev, D.
Mit2021 AJ 162, 156, 2021
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
Mrz1969 - Markowitz, W. .
Mrz1969 PhD. Dissertation, Ohio State Univ., 1969
 
 
DISCOVERER
 
 
idgroup discov author
1 MCA McAlister, H.A.
46 MCA McAlister, H.A., Hartkopf, W.I., Bagnuolo, W.G., Sowell, J.R., Franz, O.G., &
46 MCA Evans, D.S.
61 MCA Fu, H.-H., Hartkopf, W.I., Mason, B.D., McAlister, H.A., Dombrowski, E.G., &
61 MCA Franz, O.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02145+6631 MCA 6 2007 21 295 0.1 6.40 7.60 NOD 021429.10+663128.0
02145+6631 MCA 6 2008 22 119 0.1 6.40 7.60 NOD 021429.10+663128.0
02145+6631 MCA 6 2009 23 126 0.1 6.40 7.60 NOD 021429.10+663128.0
02145+6631 MCA 6 2011 29 134 0.1 6.40 7.60 B9V+... NO 021429.10+663128.0
02145+6631 MCA 6 2020 43 188 0.1 6.40 7.60 B9V+... NO 021429.10+663128.0

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

 
 
WDS 02145+6631 MCA 6 (55 Cas) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 02145+6631 MCA 6 (55 Cas) : MEASURES
 
 
No records found.

 
 
WDS 02145+6631 (55 Cas) : VIRTUAL EYEPIECE
 
 

02145+6631 MCA 6A mag 6.4 Sp B9V 02145+6631 MCA 6B sep 0.1 P.A. 183.20 mag 7.6 Sp ... 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 02145+6631 (55 Cas) : ALADIN DSS IMAGE @ 02h 14m 29.10s +66° 31' 28.0"
 
 
 
 
WDS 02145+6631 MCA 6 (55 Cas) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

02145+6631 MCA 6 distance=0' 02136+6619 TDS2167 distance=14' 02192+6629 HJ 1113 distance=27' 02194+6616 TDS2201 distance=34' 02154+6727 FMR 183 distance=57' 02130+6533 TDS2160 distance=60' 02182+6728 HJ 1112 distance=60' 02118+6529 HJ 1108 distance=64' 02250+6651 STF 252 distance=66' 02157+6740 ENG 10AB distance=70' 02157+6740 SHY 10BC distance=70' 02264+6607 TDS2249 distance=76' 02101+6518 GIC9008 distance=78' 02156+6509 TDS2181 distance=83' 02019+6709 CVR 37 distance=84' 02248+6730 NSN 526 distance=84' 02270+6553 AZC 138 distance=86' 02094+6753 TDS2138 distance=88' 02053+6740 STF 199AB distance=88' 02207+6758 TDS2215 distance=94' 02156+6806 TDS2180 distance=95' 01588+6607 KPP 939 distance=98' 02155+6454 TDS2178 distance=98' 02291+6724 STF 262BC distance=101' 02291+6724 CTU 2Ca,Cb distance=101' 02291+6724 STF 262CD distance=101' 02291+6724 CHR 6Aa,Ab distance=101' 02291+6724 STF 262AB distance=101' 02291+6724 STF 262AC distance=101' 02291+6724 STF 262AD distance=101' 01574+6630 TDS2063 distance=102' 02108+6450 HDS 291 distance=105' 01585+6545 KPP1553 distance=108' 02013+6754 LDS3333 distance=113' 02336+6642 HJ 1118 distance=115' 02173+6436 TDS2192 distance=118' 01565+6545 CVR 34 distance=119' 02142+6832 HJ 1110 distance=121' 02334+6546 DEA 68 distance=124' 02232+6438 BVD 295 distance=126' 02217+6837 TDS2226 distance=132' 02119+6418 TDS2152 distance=135' 02145+6415 HJ 1111 distance=136' 02009+6443 ARY 34 distance=137' 02098+6849 HJ 1104 distance=140' 02069+6420 STI 343 distance=141' 02050+6423 BU 873AB distance=142' 02050+6423 BU 873AC distance=142' 01553+6514 STI 322 distance=142' 02162+6410 TDS 78 distance=143' 02011+6435 TDS2087 distance=143' 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 02145+6631 MCA 6 188 0.1
Show 02136+6619 TDS2167 172 0.6 14
Show 02192+6629 HJ 1113 179 8.6 27
Show 02194+6616 TDS2201 95 0.5 34
Show 02154+6727 FMR 183 110 4.4 57
Show 02130+6533 TDS2160 333 0.5 60
Show 02182+6728 HJ 1112 215 11.6 60
Show 02118+6529 HJ 1108 239 8.8 64
Show 02250+6651 STF 252 43 3.3 66
Show 02157+6740 ENG 10 AB 324 27.5 70
Show 02157+6740 SHY 10 BC 177 999.9 70
Show 02264+6607 TDS2249 47 2.2 76
Show 02101+6518 GIC9008 289 0.8 78
Show 02156+6509 TDS2181 160 0.4 83
Show 02019+6709 CVR 37 42 112.6 84
Show 02248+6730 NSN 526 312 2.4 84
Show 02270+6553 AZC 138 162 17.9 86
Show 02094+6753 TDS2138 201 2.6 88
Show 02053+6740 STF 199 AB 22 35.6 88
Show 02207+6758 TDS2215 239 0.9 94
Show 02156+6806 TDS2180 277 0.8 95
Show 01588+6607 KPP 939 248 7.7 98
Show 02155+6454 TDS2178 225 2.7 98
Show 02291+6724 STF 262 BC 99 8.5 101
Show 02291+6724 CTU 2 Ca,Cb 101 0.2 101
Show 02291+6724 STF 262 CD 58 207.1 101
Show 02291+6724 CHR 6 Aa,Ab 42 0.6 101
Show 02291+6724 STF 262 AB 231 3.0 101
Show 02291+6724 STF 262 AC 117 6.9 101
Show 02291+6724 STF 262 AD 60 210.9 101
Show 01574+6630 TDS2063 126 0.5 102
Show 02108+6450 HDS 291 270 0.6 105
Show 01585+6545 KPP1553 348 11.7 108
Show 02013+6754 LDS3333 294 69.4 113
Show 02336+6642 HJ 1118 129 7.1 115
Show 02173+6436 TDS2192 319 0.4 118
Show 01565+6545 CVR 34 155 51.1 119
Show 02142+6832 HJ 1110 220 10.9 121
Show 02334+6546 DEA 68 244 10.7 124
Show 02232+6438 BVD 295 138 12.6 126
Show 02217+6837 TDS2226 293 8.2 132
Show 02119+6418 TDS2152 133 0.5 135
Show 02145+6415 HJ 1111 343 7.3 136
Show 02009+6443 ARY 34 132 56.5 137
Show 02098+6849 HJ 1104 99 5.0 140
Show 02069+6420 STI 343 97 8.3 141
Show 02050+6423 BU 873 AB 25 2.2 142
Show 02050+6423 BU 873 AC 145 87.5 142
Show 01553+6514 STI 322 87 7.2 142
Show 02162+6410 TDS 78 281 0.9 143
Show 02011+6435 TDS2087 97 0.6 143

 
 
WDS 02145+6631 : COMPONENTS
 
 
  A
B pa=183.2°
sep=0.08"
 
 
02145+6631 A
 
 
Componente originario normalizzato AB Name 55 Cas Coord arcsec 2000 021429.10+663128.0 Mag 6.4
Spectral class B9V (blue-white) PmRA -6.00 PmDE -6.0 SAO 12180
HIP 10438 Tycho2 4045-00788-1 HD 13474 HR 640
GC 2661 BD BD+65 239 Flamsteed 55 Cassiopeiae Flamsteed name 55 Cas
FK5 76
Tycho2
Tycho2 4045-00788-1 Pflag RAmdeg 33.62122754 DEmdeg 66.52442824
PmRA -6.5 PmDE -5.8 E RAmdeg 4 E DEmdeg 3
E pmRA 0.7 E pmDE 0.7 EpRAm 1991.12 EpDEm 1991.44
Num 19 Q RAmdeg 1.0 Q DEmdeg 0.7 Q pmRA 1.0
Q pmDE 0.9 BTmag 6.834 E BTmag 0.014 VTmag 6.135
E VTmag 0.009 Prox 999 TYC T HIP 10438
CCDM RAdeg 33.62126444 DEdeg 66.52444139 EpRA 1990 1.69
EpDE 1990 1.71 E RAdeg 3.5 E DEdeg 3.4 Posflg
Corr 0.3
SAO
SAO 12180 DelFlag RA1950 PmRA1950 -0.001
DE1950 PmDE1950 0.001 Vmag 6.1 SpType +++
Double code Source 74 CatNum 76 DM BD+65 239
DMcomp BDsup HD 13474 M HD 9
GC 2661 RA1950rad 0.56954144 DE1950rad 1.15700453 PmRA2000 -0.0013
PmDE2000 -0.005
Hipparcos
Catalog H HIP 10438 Proxy RAhms 02 14 29.10
DEdms +66 31 28.0 Vmag 6.05 VarFlag R Vmag H
RAdeg 33.6213 DEdeg 66.5244 AstroRef Plx 4.42
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 13474 BD BD+65 239
CD CP Dm number +65 239 VIred 0.7
SpType B9V+... R SpType Coord arcsec 2000 021429.10+663128.0
Hipparcos 2
HIP 10438 Sn 5 So 0 Nc 1
RArad 0.586801786 DErad 1.1610705478 Plx 4.57 PmRA -6.38
PmDE -6.29 E RArad 0.21 E DErad 0.24 E Plx 0.35
E pmRA 0.23 E pmDE 0.28 Hpmag 6.1794 E Hpmag 0.0006
SHp 0.009 VA 0 BV 0.641 E BV 0.004
VI 0.71
CCDM
Ccdm 02145+6631 RComp Comp A Note1
Note2 Discov num DRAs -0.93 DDEs 28.0
R dRAs 81 Year Theta Rho
Obs 2 Vmag 6.0 Sp B9 PmNote @
PmRA -6 PmDE -6 Dm number +65 239 Cat1 BD
Name2 +66 141 Cat2 AGK2/3 HD 13474 M HD /5
ADS BDS M ADS BDS N N IDS IDS 02066N6603A
HIC 10438
 
 
02145+6631 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 021429.10+663127.9 Mag 7.6 Spectral class ...
Calc delta mag 1.2 Calc coord yes
CCDM
Ccdm 02145+6631 RComp Comp B Note1
Note2 Discov num MAL 6 DRAs DDEs
R dRAs Year 1980 Theta 9 Rho 0.1
Obs 10 Vmag Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 02066N6603B
HIC 10438