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Doubles in session


Current system
16366+6948
BU 953 AB,C
HD 150631


Nearby doubles
25' : 16322+6940
MLR 180

29' : 16376+6919
CBL 160

33' : 16349+7019
LDS1848

34' : 16384+7020
STF2099

39' : 16380+6910
HDS2353

65' : 16294+6856
BU 356

68' : 16461+6903
TDT 76

73' : 16479+6906
LDS1855

74' : 16316+7056
TDS 819AB

77' : 16399+6833
AZC 175

85' : 16493+6855
MLR 184

90' : 16392+6819
YSC 113

91' : 16524+7030
LDS1857

91' : 16520+7034
TOK 309

92' : 16542+6944
LDS1858

94' : 16497+6844
WFC 180

97' : 16232+6843
LDS1845

100' : 16428+7122
HDS2373

100' : 16384+6808
UC 3196

102' : 16182+6917
LDS1842

108' : 16311+7131
UC 3182

111' : 16255+7123
TOK 676

114' : 16329+6756
LDS2389

117' : 16542+6839
RAO 361

123' : 16487+6804
LDS2400

125' : 16446+7145
UC 3219AB



Selections
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Binary Systems
Triple Systems
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

16366+6948 BU 953 AB,C (HD 150631)

 
 
16h 36m 39.05s +69° 47' 34.7" P.A. 148.00 sep 75.2 mag 8.04,10.88 Sp F2V dist. 106.95 pc (348.87 l.y.)
 
 
Coord 2000 16366+6948 Discov num BU  953 Comp AB,C Coord arcsec 2000 16 36 39.05 +69 47 34.7
Date first 1892 Date last 2019 Obs 13
Pa first 153 Pa last 148.3 P.A. Now (θ) 148.3°
Sep first 71.8 Sep last 75.187 Sep. Now (ρ) 75.187"
Mag pri 8.04 Mag sec 10.88 delta mag (ΔM) 2.84 Spectral class F2V (yellow-white)
Pri motion ra -033 Sec motion ra +007
Pri motion dec +036 Sec motion dec +026
Notes N U (See Notes, Proper motion indicates non-physical)
rPM=0.844
This double is not physical.
 
 
16366+6948 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 17167 16 36 39 +69 47 35 BU 953 AB 2012 67 90 0.5 8.56 9.27 0.71 Y
Show HD 150631 17167 16 36 39 +69 47 35 BU 953 AB,C 2019 13 148 75.2 8.04 10.88 2.84 <===
Show 17167 16 36 39 +69 47 35 BU 953 AB,D 2019 19 45 146.7 8.04 8.03 0.01
Show 17167 16 36 39 +69 47 35 ABH 86 AB,E 2015 10 340 77.5 8.04 11.65 3.61
Show 17169 16 36 59 +69 49 18 BAZ 7 Da,Db 1992 10 283 0.4 8.14 10.85 2.71
Sextuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 150631 Constellation Draco SAO 17167 HIP 81332
Tycho2 4420-00447-1 Gaia DR2 1649710892743774464 HD 150631 BD BD+70 887
Distance 106.95 Distance ly 348.87
 
 
WDS 16366+6948 BU 953 AB,C (HD 150631) : NOTES
 
 
discov_num notes refcode
BU 953 AB: Malkov et al. (2012) derive dynamical, photometric, and
spectroscopic masses 1.79 +/- 1.93, 2.62, and 1.35 Msun, respectively. Mlk2012
BU 953 AB,D: HJL1091. LDS1851.
BAZ 7 Da,Db: Also known as HDS2348.
 
 
REFERENCES
 
 
refcode metd author reference
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 ABH Abt, H.A.
29 BAZ Baize, P.
306 BU Burnham, S.W. (BU 1 - 81)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16366+6948 BU 953 AB,C 1999 7 149 74.8 8.04 10.88 F2V N D 163639.05+694734.7
16366+6948 BU 953 AB,C 2004 8 149 74.7 8.04 10.88 F2V NUD 163639.05+694734.7
16366+6948 BU 953 AB,C 2015 12 149 75.1 8.04 10.88 F2V NU 163639.05+694734.7
16366+6948 BU 953 AB,C 2019 13 148 75.2 8.04 10.88 F2V NU 163639.05+694734.7

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

 
 
WDS 16366+6948 BU 953 AB,C (HD 150631) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16366+6948 BU 953 AB,C (HD 150631) : MEASURES
 
 
No records found.

 
 
WDS 16366+6948 (HD 150631) : VIRTUAL EYEPIECE
 
 

16366+6948 BU 953A mag 8.56 Sp F2V 16366+6948 BU 953B sep 0.2 P.A. 90.90 mag 9.27 16366+6948 BU 953C sep 65.4 P.A. 168.00 mag 10.88 16366+6948 BAZ 7D sep 147.0 P.A. 45.60 mag 8.14 Sp F0 16366+6948 BAZ 7Db sep 147.0 P.A. 45.50 mag 10.85 16366+6948 ABH 86E sep 73.2 P.A. 352.70 mag 11.65 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 16366+6948 (HD 150631) : ALADIN DSS IMAGE @ 16h 36m 39.05s +69° 47' 34.7"
 
 
 
 
WDS 16366+6948 BU 953 AB,C (HD 150631) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16366+6948 BU 953AB distance=1' 16366+6948 BU 953AB,C distance=1' 16366+6948 BU 953AB,D distance=1' 16366+6948 ABH 86AB,E distance=1' 16366+6948 BAZ 7Da,Db distance=3' 16322+6940 MLR 180 distance=25' 16376+6919 CBL 160 distance=29' 16349+7019 LDS1848 distance=33' 16384+7020 STF2099 distance=34' 16380+6910 HDS2353 distance=39' 16294+6856 BU 356 distance=65' 16461+6903 TDT 76 distance=68' 16479+6906 LDS1855 distance=73' 16316+7056 TDS 819AB distance=74' 16316+7056 CBL 159AC distance=74' 16399+6833 AZC 175 distance=77' 16493+6855 MLR 184 distance=85' 16392+6819 YSC 113 distance=90' 16524+7030 LDS1857 distance=91' 16520+7034 TOK 309 distance=91' 16542+6944 LDS1858 distance=92' 16497+6844 WFC 180 distance=94' 16232+6843 LDS1845 distance=97' 16428+7122 HDS2373 distance=100' 16384+6808 UC 3196 distance=100' 16182+6917 LDS1842 distance=102' 16311+7131 UC 3182 distance=108' 16255+7123 TOK 676 distance=111' 16329+6756 LDS2389 distance=114' 16542+6839 RAO 361 distance=117' 16487+6804 LDS2400 distance=123' 16446+7145 MLR 182Aa,Ab distance=125' 16446+7145 UC 3219AB distance=125' 16343+7156 TVB 285 distance=129' 16551+6824 TDS 844 distance=130' 16397+6738 UC 3201 distance=131' 16171+6827 LDS2373 distance=132' 16339+7159 HDS2342 distance=132' 16488+6752 MLR 183 distance=133' 16519+6755 HEI 386 distance=140' 16545+6801 TDT 136 distance=144' 16545+7145 TDS 842 distance=148' 16294+6726 LDS2385 distance=148' 16521+6746 MLR 185 distance=148' 16473+7208 CRB 196 distance=150' 16357+6716 MLR 181 distance=152' 16206+6740 HJL 234 distance=155' 16529+7203 NSN 685 distance=157' 16499+6728 KPP3310 distance=158' 16236+6721 LDS2380 distance=163' 16563+6742 LDS2404 distance=165' 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 16366+6948 BU 953 AB 90 0.5 1
Show 16366+6948 BU 953 AB,C 148 75.2 1
Show 16366+6948 BU 953 AB,D 45 146.7 1
Show 16366+6948 ABH 86 AB,E 340 77.5 1
Show 16366+6948 BAZ 7 Da,Db 283 0.4 3
Show 16322+6940 MLR 180 247 0.6 25
Show 16376+6919 CBL 160 125 99.2 29
Show 16349+7019 LDS1848 207 1.7 33
Show 16384+7020 STF2099 215 9.8 34
Show 16380+6910 HDS2353 202 0.3 39
Show 16294+6856 BU 356 117 7.3 65
Show 16461+6903 TDT 76 227 1.0 68
Show 16479+6906 LDS1855 6 6.6 73
Show 16316+7056 TDS 819 AB 110 1.1 74
Show 16316+7056 CBL 159 AC 132 40.0 74
Show 16399+6833 AZC 175 29 20.9 77
Show 16493+6855 MLR 184 43 7.0 85
Show 16392+6819 YSC 113 333 0.8 90
Show 16524+7030 LDS1857 1 33.3 91
Show 16520+7034 TOK 309 111 455.0 91
Show 16542+6944 LDS1858 188 3.7 92
Show 16497+6844 WFC 180 122 4.8 94
Show 16232+6843 LDS1845 355 10.9 97
Show 16428+7122 HDS2373 181 0.2 100
Show 16384+6808 UC 3196 164 30.6 100
Show 16182+6917 LDS1842 220 77.7 102
Show 16311+7131 UC 3182 183 9.9 108
Show 16255+7123 TOK 676 122 7.1 111
Show 16329+6756 LDS2389 117 72.0 114
Show 16542+6839 RAO 361 323 3.6 117
Show 16487+6804 LDS2400 16 11.8 123
Show 16446+7145 MLR 182 Aa,Ab 94 0.3 125
Show 16446+7145 UC 3219 AB 113 27.7 125
Show 16343+7156 TVB 285 300 24.5 129
Show 16551+6824 TDS 844 156 1.0 130
Show 16397+6738 UC 3201 150 15.9 131
Show 16171+6827 LDS2373 350 7.0 132
Show 16339+7159 HDS2342 265 0.3 132
Show 16488+6752 MLR 183 27 0.7 133
Show 16519+6755 HEI 386 172 0.1 140
Show 16545+6801 TDT 136 5 1.9 144
Show 16545+7145 TDS 842 25 1.6 148
Show 16294+6726 LDS2385 253 4.6 148
Show 16521+6746 MLR 185 294 0.4 148
Show 16473+7208 CRB 196 189 50.2 150
Show 16357+6716 MLR 181 285 1.4 152
Show 16206+6740 HJL 234 161 9.5 155
Show 16529+7203 NSN 685 138 10.1 157
Show 16499+6728 KPP3310 136 1.8 158
Show 16236+6721 LDS2380 273 9.1 163
Show 16563+6742 LDS2404 283 54.0 165

 
 
WDS 16366+6948 : COMPONENTS
 
 
  A B C D Db
B pa=90.9°
sep=0.16"
 
C pa=168.0°
sep=65.41"
pa=168.1°
sep=65.38"
 
D pa=45.6°
sep=147.02"
pa=45.6°
sep=146.91"
pa=28.7°
sep=190.26"
 
Db pa=45.5°
sep=146.99"
pa=45.5°
sep=146.87"
pa=28.7°
sep=190.28"
pa=303.8°
sep=0.16"
 
E pa=352.7°
sep=73.25"
pa=352.6°
sep=73.27"
pa=350.5°
sep=138.54"
pa=255.2°
sep=118.16"
pa=255.1°
sep=118.06"
 
 
16366+6948 A
 
 
Coord arcsec 2000 163639.05+694734.7 Mag 8.56 Spectral class F2V (yellow-white) PmRA -37.00
PmDE 42.0 SAO 17167 HIP 81332 Tycho2 4420-00447-1
HD 150631 BD BD+70 887
Tycho2
Tycho2 4420-00447-1 Pflag RAmdeg 249.16258478 DEmdeg 69.79306853
PmRA -31.5 PmDE 36.4 E RAmdeg 6 E DEmdeg 6
E pmRA 1.1 E pmDE 1.2 EpRAm 1991.19 EpDEm 1991.27
Num 8 Q RAmdeg 1.0 Q DEmdeg 0.7 Q pmRA 1.0
Q pmDE 0.6 BTmag 8.499 E BTmag 0.016 VTmag 8.042
E VTmag 0.012 Prox 745 TYC T HIP 81332
CCDM AB RAdeg 249.16279667 DEdeg 69.79298389 EpRA 1990 1.65
EpDE 1990 1.64 E RAdeg 5.9 E DEdeg 5.5 Posflg P
Corr -0.1
SAO
SAO 17167 DelFlag RA1950 PmRA1950 -0.0063
DE1950 PmDE1950 0.064 Vmag 8.4 SpType F5
Double code Source 2 CatNum 663 DM BD+70 887
DMcomp BDsup HD 150631 M HD 0
GC RA1950rad 4.34991723 DE1950rad 1.21983741 PmRA2000 -0.0051
PmDE2000 0.065
Hipparcos
Catalog H HIP 81332 Proxy H RAhms 16 36 39.05
DEdms +69 47 34.7 Vmag 8 VarFlag R Vmag H
RAdeg 249.163 DEdeg 69.793 AstroRef A Plx 8.27
CCDM 16368+6948 N CCDM I Nsys 2 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 98 Rho 0.302 HD 150631 BD BD+70 887
CD CP Dm number +70 887 VIred 0.5
SpType F5 R SpType Coord arcsec 2000 163639.05+694734.7
Hipparcos 2
HIP 81332 Sn 15 So 3 Nc 2
RArad 4.3487097596 DErad 1.2181173676 Plx 9.35 PmRA -30.28
PmDE 34.44 E RArad 0.68 E DErad 0.69 E Plx 0.74
E pmRA 0.75 E pmDE 0.77 Hpmag 8.1032 E Hpmag 0.0012
SHp 0.009 VA 0 BV 0.443 E BV 0.013
VI 0.51
 
 
16366+6948 B
 
 
Coord arcsec 2000 163639.08+694734.7 Mag 9.27 Calc delta mag 0.71 Calc coord yes
 
 
16366+6948 C
 
 
Coord arcsec 2000 163641.68+694630.7 Mag 10.88 PmRA 7.00 PmDE 26.0
Calc delta mag 2.32 Calc coord yes
 
 
16366+6948 D
 
 
Coord arcsec 2000 163659.33+694917.6 Coord calc 163645.97+694918.5 Mag 8.14 Mag composta 8.03
Spectral class F0 (yellow-white) PmRA -34.00 PmDE 44.0 SAO 17169
HIP 81363 Tycho2 4420-00746-1 HD 150693 BD BD+70 888
Calc delta mag 0.42
Tycho2
Tycho2 4420-00746-1 Pflag RAmdeg 249.24697321 DEmdeg 69.82165062
PmRA -29.8 PmDE 39.4 E RAmdeg 6 E DEmdeg 5
E pmRA 0.9 E pmDE 1.0 EpRAm 1990.88 EpDEm 1991.24
Num 13 Q RAmdeg 0.7 Q DEmdeg 0.8 Q pmRA 0.7
Q pmDE 0.9 BTmag 8.347 E BTmag 0.016 VTmag 8.026
E VTmag 0.012 Prox 999 TYC T HIP 81363
CCDM DE RAdeg 249.24717222 DEdeg 69.82155944 EpRA 1990 1.68
EpDE 1990 1.66 E RAdeg 5.7 E DEdeg 5.3 Posflg P
Corr -0.1
SAO
SAO 17169 DelFlag RA1950 PmRA1950 -0.0078
DE1950 PmDE1950 0.045 Vmag 8.4 SpType F0
Double code Source 2 CatNum 664 DM BD+70 888
DMcomp BDsup HD 150693 M HD 0
GC RA1950rad 4.35141396 DE1950rad 1.22032618 PmRA2000 -0.0065
PmDE2000 0.046
Hipparcos
Catalog H HIP 81363 Proxy H RAhms 16 36 59.33
DEdms +69 49 17.6 Vmag 7.94 VarFlag R Vmag G
RAdeg 249.247 DEdeg 69.8216 AstroRef D Plx 7.32
CCDM 16368+6948 N CCDM I Nsys 2 Ncomp 2
MultFlag C Source Qual A M HIP DE
Theta 281 Rho 0.631 HD 150693 BD BD+70 888
CD CP Dm number +70 888 VIred 0.38
SpType F0 R SpType Coord arcsec 2000 163659.33+694917.6
Hipparcos 2
HIP 81363 Sn 15 So 3 Nc 2
RArad 4.3501842694 DErad 1.2186159958 Plx 8.79 PmRA -32.8
PmDE 40 E RArad 0.59 E DErad 0.61 E Plx 0.64
E pmRA 0.64 E pmDE 0.71 Hpmag 8.0556 E Hpmag 0.0016
SHp 0.011 VA 0 BV 0.33 E BV 0.02
VI 0.38
 
 
16366+6948 Db
 
 
Coord arcsec 2000 163659.30+694917.7 Mag 10.85 Calc delta mag 2.29 Calc coord yes
 
 
16366+6948 E
 
 
Coord arcsec 2000 163637.26+694847.4 Mag 11.65 PmRA 6.00 PmDE -7.0
Calc delta mag 3.09 Calc coord yes