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Current system
02157+6740
ENG 10 AB
V989 Cas


Nearby doubles
14' : 02154+6727
FMR 183

19' : 02182+6728
HJ 1112

26' : 02156+6806
TDS2180

34' : 02207+6758
TDS2215

39' : 02094+6753
TDS2138

53' : 02142+6832
HJ 1110

53' : 02248+6730
NSN 526

60' : 02053+6740
STF 199AB

66' : 02217+6837
TDS2226

70' : 02145+6631
MCA 6

74' : 02250+6651
STF 252

75' : 02192+6629
HJ 1113

76' : 02098+6849
HJ 1104

79' : 02291+6724
STF 262AB

82' : 02136+6619
TDS2167

84' : 02013+6754
LDS3333

86' : 02019+6709
CVR 37

88' : 02194+6616
TDS2201

92' : 02283+6839
FAL 3

101' : 02040+6858
TDS2099

107' : 02204+6924
TDS2212

109' : 02127+6928
TDS2158

113' : 02264+6607
TDS2249

120' : 02336+6642
HJ 1118

127' : 02270+6553
AZC 138

128' : 01574+6630
TDS2063



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

02157+6740 ENG 10 AB (V989 Cas)

 
 
02h 15m 42.55s +67° 40' 20.3" P.A. 324.00 sep 27.5 mag 7.30,9.36 Sp K2V+F2 dist. 18.58 pc (60.61 l.y.)
 
 
Coord 2000 02157+6740 Discov num ENG  10 Comp AB Coord arcsec 2000 02 15 42.55 +67 40 20.3
Date first 1875 Date last 2016 Obs 34
Pa first 109 Pa last 324.4 P.A. Now (θ) 324.4°
Sep first 62.4 Sep last 27.51 Sep. Now (ρ) 27.51"
Mag pri 7.30 Mag sec 9.36 delta mag (ΔM) 2.06 Spectral class K2V+F2 (yellow-orange/yellow-white)
Pri motion ra +520 Sec motion ra -002
Pri motion dec -304 Sec motion dec -003
Notes N L U (See Notes, Linear solution, Proper motion indicates non-physical)
rPM=1
This double is not physical.
 
 
02157+6740 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show V989 Cas 12190 02 15 43 +67 40 20 ENG 10 AB 2016 34 324 27.5 7.30 9.36 2.06 <===
Show 02 15 42 +67 40 36 SHY 10 BC 1999 3 177 999.9 9.36 11.10 1.74
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name V989 Cas Constellation Cassiopeia SAO 12190 HIP 10531
Tycho2 4311-01205-1 HD 13579 GC 2686 GL Gl 90
BD BD+67 191 Distance 18.58 Distance ly 60.61
 
 
WDS 02157+6740 ENG 10 AB (V989 Cas) : NOTES
 
 
discov_num notes refcode
ENG 10 B is BD+66@193.
Optical pair, based on study of relative motion of the components
using the method of apparent motion parameters. Kiy2008
SHY 10 BC: HIP 10529 + HIP 11167.
 
 
REFERENCES
 
 
refcode metd author reference
Kiy2008 - Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. 2008SvAL...32..405K
Kiy2008 SvAL 34, 405, 2008
 
 
DISCOVERER
 
 
idgroup discov author
1 ENG changed from EN to ENG and that for Engelhardt from ENG to ENH. This has led to
32 SHY Shaya, E.J. & Olling, R.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02157+6740 ENG 10 AB 2006 24 330 21.7 7.30 9.36 K2V NLD 021542.55+674020.3
02157+6740 ENG 10 AB 2011 26 328 24.3 7.30 9.36 K2V NLD 021542.55+674020.3
02157+6740 ENG 10 AB 2012 28 327 24.8 7.30 9.36 K2V NLD 021542.55+674020.3
02157+6740 ENG 10 AB 2014 30 325 25.6 7.30 9.36 K2V NL U 021542.55+674020.3
02157+6740 ENG 10 AB 2016 33 324 27.5 7.30 9.36 K2V+F2 NL U 021542.55+674020.3

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

 
 
WDS 02157+6740 ENG 10 AB (V989 Cas) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 02157+6740 ENG 10 AB (V989 Cas) : MEASURES
 
 
No records found.

 
 
WDS 02157+6740 (V989 Cas) : VIRTUAL EYEPIECE
 
 

02157+6740 ENG 10A mag 7.3 Sp K2V 02157+6740 SHY 10B sep 16.7 P.A. 341.80 mag 9.36 Sp F2 02157+6740 SHY 10C sep 9970.1 P.A. 178.80 mag 11.1 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 02157+6740 (V989 Cas) : ALADIN DSS IMAGE @ 02h 15m 42.55s +67° 40' 20.3"
 
 
 
 
WDS 02157+6740 ENG 10 AB (V989 Cas) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

02157+6740 ENG 10AB distance=0' 02157+6740 SHY 10BC distance=1' 02154+6727 FMR 183 distance=14' 02182+6728 HJ 1112 distance=19' 02156+6806 TDS2180 distance=26' 02207+6758 TDS2215 distance=34' 02094+6753 TDS2138 distance=39' 02142+6832 HJ 1110 distance=53' 02248+6730 NSN 526 distance=53' 02053+6740 STF 199AB distance=60' 02217+6837 TDS2226 distance=66' 02145+6631 MCA 6 distance=70' 02250+6651 STF 252 distance=74' 02192+6629 HJ 1113 distance=75' 02098+6849 HJ 1104 distance=76' 02291+6724 STF 262BC distance=79' 02291+6724 CTU 2Ca,Cb distance=79' 02291+6724 STF 262CD distance=79' 02291+6724 CHR 6Aa,Ab distance=79' 02291+6724 STF 262AB distance=79' 02291+6724 STF 262AC distance=79' 02291+6724 STF 262AD distance=79' 02136+6619 TDS2167 distance=82' 02013+6754 LDS3333 distance=84' 02019+6709 CVR 37 distance=86' 02194+6616 TDS2201 distance=88' 02283+6839 FAL 3 distance=92' 02040+6858 TDS2099 distance=101' 02204+6924 TDS2212 distance=107' 02127+6928 TDS2158 distance=109' 02264+6607 TDS2249 distance=113' 02336+6642 HJ 1118 distance=120' 02270+6553 AZC 138 distance=127' 01574+6630 TDS2063 distance=128' 02130+6533 TDS2160 distance=129' 02118+6529 HJ 1108 distance=133' 01588+6607 KPP 939 distance=137' 02234+6954 LDS1555 distance=141' 01583+6927 HJ 2094 distance=143' 02071+6957 STF 204 distance=145' 02067+6958 TDS2120 distance=146' 02101+6518 GIC9008 distance=146' 02315+6938 MLR 379 distance=147' 02235+7001 TDS2236 distance=148' 02348+6926 TDS2290 distance=149' 02156+6509 TDS2181 distance=152' 01585+6545 KPP1553 distance=154' 02334+6546 DEA 68 distance=156' 02313+6955 TDS2273 distance=160' 02038+7007 TDS2097 distance=161' 01565+6545 CVR 34 distance=163' 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 02157+6740 ENG 10 AB 324 27.5
Show 02157+6740 SHY 10 BC 177 999.9 1
Show 02154+6727 FMR 183 110 4.4 14
Show 02182+6728 HJ 1112 215 11.6 19
Show 02156+6806 TDS2180 277 0.8 26
Show 02207+6758 TDS2215 239 0.9 34
Show 02094+6753 TDS2138 201 2.6 39
Show 02142+6832 HJ 1110 220 10.9 53
Show 02248+6730 NSN 526 312 2.4 53
Show 02053+6740 STF 199 AB 22 35.6 60
Show 02217+6837 TDS2226 293 8.2 66
Show 02145+6631 MCA 6 188 0.1 70
Show 02250+6651 STF 252 43 3.3 74
Show 02192+6629 HJ 1113 179 8.6 75
Show 02098+6849 HJ 1104 99 5.0 76
Show 02291+6724 STF 262 BC 99 8.5 79
Show 02291+6724 CTU 2 Ca,Cb 101 0.2 79
Show 02291+6724 STF 262 CD 58 207.1 79
Show 02291+6724 CHR 6 Aa,Ab 42 0.6 79
Show 02291+6724 STF 262 AB 231 3.0 79
Show 02291+6724 STF 262 AC 117 6.9 79
Show 02291+6724 STF 262 AD 60 210.9 79
Show 02136+6619 TDS2167 172 0.6 82
Show 02013+6754 LDS3333 294 69.4 84
Show 02019+6709 CVR 37 42 112.6 86
Show 02194+6616 TDS2201 95 0.5 88
Show 02283+6839 FAL 3 5 7.2 92
Show 02040+6858 TDS2099 142 0.5 101
Show 02204+6924 TDS2212 88 1.4 107
Show 02127+6928 TDS2158 326 1.2 109
Show 02264+6607 TDS2249 47 2.2 113
Show 02336+6642 HJ 1118 129 7.1 120
Show 02270+6553 AZC 138 162 17.9 127
Show 01574+6630 TDS2063 126 0.5 128
Show 02130+6533 TDS2160 333 0.5 129
Show 02118+6529 HJ 1108 239 8.8 133
Show 01588+6607 KPP 939 248 7.7 137
Show 02234+6954 LDS1555 109 57.8 141
Show 01583+6927 HJ 2094 269 23.3 143
Show 02071+6957 STF 204 35 0.2 145
Show 02067+6958 TDS2120 10 1.0 146
Show 02101+6518 GIC9008 289 0.8 146
Show 02315+6938 MLR 379 90 0.4 147
Show 02235+7001 TDS2236 341 0.6 148
Show 02348+6926 TDS2290 143 2.2 149
Show 02156+6509 TDS2181 160 0.4 152
Show 01585+6545 KPP1553 348 11.7 154
Show 02334+6546 DEA 68 244 10.7 156
Show 02313+6955 TDS2273 36 4.2 160
Show 02038+7007 TDS2097 83 0.6 161
Show 01565+6545 CVR 34 155 51.1 163

 
 
WDS 02157+6740 : COMPONENTS
 
 
  A B
B pa=341.8°
sep=16.74"
 
C pa=178.8°
sep=9970.07"
pa=178.7°
sep=9986.09"
 
 
02157+6740 A
 
 
Name V989 Cas Coord arcsec 2000 021542.55+674020.3 Mag 7.3 Spectral class K2V (yellow-orange)
PmRA 520.00 PmDE -304.0 SAO 12190 HIP 10531
Tycho2 4311-01205-1 HD 13579 GC 2686 BD BD+67 191
Tycho2
Tycho2 4311-01205-1 Pflag RAmdeg 33.92731024 DEmdeg 67.67231292
PmRA 516.8 PmDE -304.6 E RAmdeg 4 E DEmdeg 4
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.49 EpDEm 1991.50
Num 8 Q RAmdeg 1.2 Q DEmdeg 0.8 Q pmRA 1.3
Q pmDE 0.8 BTmag 8.395 E BTmag 0.016 VTmag 7.303
E VTmag 0.010 Prox 145 TYC T HIP 10531
CCDM A RAdeg 33.92414389 DEdeg 67.67302194 EpRA 1990 1.62
EpDE 1990 1.62 E RAdeg 4.3 E DEdeg 4.2 Posflg
Corr 0.2
SAO
SAO 12190 DelFlag RA1950 PmRA1950 0.0932
DE1950 PmDE1950 -0.304 Vmag 7.8 SpType K0
Double code Source 70 CatNum 2686 DM BD+67 191
DMcomp BDsup HD 13579 M HD 0
GC 2686 RA1950rad 0.57416764 DE1950rad 1.17712235 PmRA2000 0.0934
PmDE2000 -0.314
Hipparcos
Catalog H HIP 10531 Proxy RAhms 02 15 41.76
DEdms +67 40 23.0 Vmag 7.13 VarFlag R Vmag H
RAdeg 33.924 DEdeg 67.6731 AstroRef A Plx 42.46
CCDM 02157+6740 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual D M HIP
Theta Rho HD 13579 BD BD+67 191
CD CP Dm number +67 191 VIred 0.96
SpType K2V R SpType Coord arcsec 2000 021541.76+674023.0
Hipparcos 2
HIP 10531 Sn 95 So 3 Nc 1
RArad 0.5920854807 DErad 1.181117648 Plx 53.82 PmRA 520.16
PmDE -307.53 E RArad 1.21 E DErad 1.46 E Plx 1.74
E pmRA 1.75 E pmDE 1.89 Hpmag 7.2792 E Hpmag 0.0279
SHp 0.035 VA 0 BV 0.92 E BV 0
VI 0.96
CCDM
Ccdm 02157+6740 RComp Comp A Note1
Note2 Discov num DRAs 0.63 DDEs 20.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.0 Sp K0 PmNote *
PmRA 533 PmDE -302 Dm number +67 191 Cat1 BD
Name2 +67 124 Cat2 AGK2/3 HD 13579 M HD
ADS BDS M ADS BDS N IDS IDS 02075N6713A
HIC 10531
 
 
02157+6740 B
 
 
Coord arcsec 2000 021541.63+674036.2 Coord calc 021541.63+674036.2 Mag 9.36 Spectral class F2 (yellow-white)
PmRA -2.00 PmDE -3.0 HIP 10529 Tycho2 4311-01310-1
BD BD+66 193 Calc delta mag 2.06
Tycho2
Tycho2 4311-01310-1 Pflag RAmdeg 33.92221655 DEmdeg 67.67700298
PmRA -4.0 PmDE -4.0 E RAmdeg 13 E DEmdeg 13
E pmRA 1.4 E pmDE 1.4 EpRAm 1990.52 EpDEm 1990.53
Num 6 Q RAmdeg 0.6 Q DEmdeg 1.5 Q pmRA 0.6
Q pmDE 1.5 BTmag 9.987 E BTmag 0.024 VTmag 9.357
E VTmag 0.019 Prox 145 TYC T HIP 10529
CCDM B RAdeg 33.92224139 DEdeg 67.67701250 EpRA 1990 1.62
EpDE 1990 1.64 E RAdeg 13.4 E DEdeg 12.8 Posflg
Corr 0.1
Hipparcos
Catalog H HIP 10529 Proxy T RAhms 02 15 40.50
DEdms +67 40 40.1 Vmag 9.91 VarFlag R Vmag H
RAdeg 33.9188 DEdeg 67.6778 AstroRef B Plx 42.46
CCDM 02157+6740 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source F Qual D M HIP
Theta Rho HD BD BD+66 193
CD CP Dm number +66 193 VIred 0.47
SpType F2 R SpType Coord arcsec 2000 021540.50+674040.1
Hipparcos 2
HIP 10529 Sn 95 So 3 Nc 1
RArad 0.5919936863 DErad 1.1812006624 Plx 47.8 PmRA 518.48
PmDE -311.93 E RArad 3.64 E DErad 3.47 E Plx 5.03
E pmRA 4.27 E pmDE 4.05 Hpmag 10.7064 E Hpmag 0.5685
SHp 0 VA 0 BV 0.461 E BV 0.107
VI 0.47
CCDM
Ccdm 02157+6740 RComp Comp B Note1
Note2 Discov num BUP DRAs -0.66 DDEs 37.3
R dRAs 10 Year 1918 Theta 101 Rho 36.2
Obs 5 Vmag 9.9 Sp PmNote *
PmRA -1 PmDE 3 Dm number +66 193 Cat1 BD
Name2 +67 126 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS 02075N6713B
HIC 10529
 
 
02157+6740 C
 
 
Coord arcsec 2000 021620.01+645412.8 Mag 11.1 PmRA -2.00 PmDE -4.0
Calc delta mag 3.8 Calc coord yes