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Doubles in session


Current system
16009+3911
WAL 70 AC


Nearby doubles
7' : 16014+3910
NVL 1

26' : 16011+3936
AG 200

30' : 15597+3844
TDS9716

36' : 16011+3836
TDS9730

41' : 16002+3831
CVR 809

47' : 16048+3910
WNO 47

65' : 15572+3959
SKF1757

66' : 16009+4016
TDS9728

67' : 15554+3854
SLW1147

74' : 15568+3816
UC 3090

75' : 15583+4019
COU1448

81' : 15564+3810
SLW1150

86' : 16002+3746
HJ 579

93' : 15530+3913
HJ 1280

95' : 15528+3919
TDS9674

96' : 15558+3757
H 6 94

98' : 15591+3736
BFR 12

102' : 16042+4045
A 1641

103' : 15578+3735
UC 3094

103' : 16083+3814
LDS4644

104' : 16086+4003
STF2014AB

105' : 16020+3727
SHN 209

105' : 16049+4045
COU1275

108' : 16077+4024
UC 3121

115' : 16106+3928
HJ 1289

117' : 16013+3714
SKF 240



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.

16009+3911 WAL 70 AC

 
 
16h 00m 54.94s +39° 10' 39.0" P.A. 255.00 sep 73.4 mag 6.77,12.52 Sp A0 dist. 136.24 pc (444.41 l.y.)
 
 
Coord 2000 16009+3911 Discov num WAL  70 Comp AC Coord arcsec 2000 16 00 54.94 +39 10 39.0
Date first 1944 Date last 2015 Obs 5
Pa first 260 Pa last 254.5 P.A. Now (θ) 254.5°
Sep first 60.0 Sep last 73.397 Sep. Now (ρ) 73.397"
Mag pri 6.77 Mag sec 12.52 delta mag (ΔM) 5.75 Spectral class A0 (white)
Pri motion ra +017 Sec motion ra -007
Pri motion dec +011 Sec motion dec +003
Notes
rPM=1.249
This double is not physical.
 
 
16009+3911 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 143806 65025 16 00 55 +39 10 39 STT 304 AB 2020 20 170 10.6 6.77 10.64 3.87
Show 65025 16 00 55 +39 10 39 WAL 70 AC 2015 5 255 73.4 6.77 12.52 5.75 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Corona Borealis SAO 65025 HIP 78448 Tycho2 3061-01681-1
Gaia DR2 1379675269368630272 HD 143806 BD BD+39 2942 Distance 136.24
Distance ly 444.41
 
 
WDS 16009+3911 WAL 70 AC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
STTA (O. Struve DD - Appendix list) ...................
Stt1864 Ma - Struve, O. 1864MNRAS..24..149S
Stt1864 MNRAS 24, 149, 1864
Stt1866 orb - Struve, O. .
Stt1866 Bull. Imp. Acad. Sci. St. Petersburg, 1866
Stt1874 orb - Struve, O. .
Stt1874 Compte Rendus 79, 1467, 1874
Stt1875 orb - Struve, O. 1875MNRAS..35..367S
Stt1875 MNRAS 35, 367, 1875
Stt1878 Ma - Struve, O. 1878ObPul...9....1S
Stt1878 Pulkova Observations 9, 1, 1878
Stt1879A Ma - Struve, O. 1879Obs.....2..304G
Stt1879A cited by Gledhill (Obs 2, 304, 1879)
Stt1879B Ma - Struve, O. 1879Obs.....3..245G
Stt1879B cited by Gledhill (Obs 3, 245, 1879)
Stt1879C Ma - Struve, O. 1879Obs.....2..344G
Stt1879C cited by Gledhill (Obs 2, 344, 1879)
Stt1880A Ma - Struve, O. 1880Obs.....2..605H
Stt1880A cited by Hunt (Obs. 3, 605, 1880)
Stt1880B Ma - Struve, O. 1880Obs.....3..535G
Stt1880B cited by Gledhill (Obs 3, 535, 1880)
Stt1880C Ma - Struve, O. 1880MNRAS..40..497B
Stt1880C cited by Burnham (MNRAS 40, 497, 1880)
Stt1884A Ma - Struve, O. 1884AReg...22..216S
Stt1884A cited by Sadler (Astr. Register 22, 216, 1884)
Stt1893a Ma j Struve, O. 1893ObPul..10....1S
Stt1893a Pulkova Obs. Observations 10, 1, 1893
Stt1906A Ma - Struve, O. 1906MmRAS..56....1L
Stt1906A cited by Lewis (MemRAS 56, 1, 1906)
Stt1906B Ma j Struve, O. 1906QB821.B972.....
Stt1906B cited in BDS (Burnham Double Star Cat., 1906)
Stt1908A Ma - Struve, O. 1908MNRAS..68..465B
Stt1908A cited by Barnard (MNRAS 68, 465, 1908)
Stt1913A Ma - Struve, O. 1913QB811.B8.......
Stt1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Stt1914A Ma - Struve, O. 1914AN....198..107R
Stt1914A cited by Rabe (AN 198, 107, 1914)
Stt1932A Ma - Struve, O. 1932QB821.A43......
Stt1932A cited in ADS (Aitken Double Star Cat., 1932)
Wal1934 Ma j Wallenquist, A. 1934AnBos...6....3W
Wal1934 Ann. Bosscha Obs. Lembang 6, Pt.2, 1934
Wal1944a Zw - Wallenquist, A. 1954MeUpp...85.....
Wal1944a Medd. Uppsala Obs. #85, 1944
Wal1944a (Visual measures with wedge photometer attached to 14-inch refractor. No dates
Wal1944a given for measures; default date = decade of publication added.)
Wal1944b Zw - Wallenquist, A. 1954MeUpp...87.....
Wal1944b Medd. Uppsala Obs. #87, 1944
Wal1944b (Visual measures with wedge photometer attached to 14-inch refractor. No dates
Wal1944b given for measures; default date = decade of publication added.)
Wal1947 Zw - Wallenquist, A. 1947UppAn...2....2W
Wal1947 Ann. Uppsala Astron. Obs. 2, No.2, 1947
Wal1947 (A catalogue containing results of the two prior series, plus additional measures
Wal1947 with the 14-inch refractor and wedge photometer)
Wal1948 Zw - Wallenquist, A. 1948UppAn...2....3W
Wal1948 Ann. Uppsala Astron Obs. 2, #3, 1948
Wal1948 (Visual measures of southern double stars made with 17-inch refractor of La Plata
Wal1948 and wedge photometer. No dates listed; default date = decade of publication added)
Wal1950 Zd - Wallenquist, A. 1950MeUpp..103.....
Wal1950 Medd. Uppsala Obs. #103, 1950
Wal1954 Zw - Wallenquist, A. 1954UppAn...4Q....W
Wal1954 Ann. Uppsala Astron Obs. 4, #2, 1954
Wal1954 ("General Catalogue of Differences in Magnitude of Double Stars". Weighted mean
Wal1954 values from numerous sources)
Wal1958 Zw - Wallenquist, A. 1958MeUpp..118.....
Wal1958 Medd. Uppsala Obs. #118, 1958
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16009+3911 WAL 70 AC 1944 1 260 60.0 6.77 12.59 A0 160054.94+391039.0
16009+3911 WAL 70 AC 1998 2 254 73.2 6.77 12.59 A0 160054.94+391039.0
16009+3911 WAL 70 AC 2009 3 255 73.2 6.77 12.59 A0 D 160054.94+391039.0
16009+3911 WAL 70 AC 2015 5 255 73.4 6.77 12.52 A0 160054.94+391039.0

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

 
 
WDS 16009+3911 WAL 70 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16009+3911 WAL 70 AC : MEASURES
 
 
No records found.

 
 
WDS 16009+3911 : VIRTUAL EYEPIECE
 
 

16009+3911 STT 304A mag 6.77 Sp A0 16009+3911 STT 304B sep 10.5 P.A. 172.10 mag 10.64 16009+3911 WAL 70C sep 58.2 P.A. 250.30 mag 12.52 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 16009+3911 : ALADIN DSS IMAGE @ 16h 00m 54.94s +39° 10' 39.0"
 
 
 
 
WDS 16009+3911 WAL 70 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16009+3911 WAL 70AC distance=0' 16014+3910 NVL 1 distance=7' 16011+3936 AG 200 distance=26' 15597+3844 TDS9716 distance=30' 16011+3836 TDS9730 distance=36' 16002+3831 CVR 809 distance=41' 16048+3910 WNO 47 distance=47' 15572+3959 SKF1757 distance=65' 16009+4016 TDS9728 distance=66' 15554+3854 SLW1147 distance=67' 15568+3816 UC 3090 distance=74' 15583+4019 COU1448 distance=75' 15564+3810 SLW1150 distance=81' 16002+3746 HJ 579 distance=86' 15530+3913 HJ 1280 distance=93' 15528+3919 TDS9674 distance=95' 15558+3757 H 6 94 distance=96' 15591+3736 BFR 12 distance=98' 16042+4045 A 1641 distance=102' 15578+3735 UC 3094 distance=103' 16083+3814 LDS4644 distance=103' 16086+4003 STF2014AB distance=104' 16086+4003 WAL 72AC distance=104' 16020+3727 SHN 209 distance=105' 16049+4045 COU1275 distance=105' 16077+4024 UC 3121 distance=108' 16106+3928 HJ 1289 distance=115' 16013+3714 SKF 240 distance=117' 15512+3836 COU1447 distance=119' 16089+3758 COU1276 distance=119' 15562+4100 SLW1149 distance=122' 15521+4023 HJ 575 distance=126' 16037+3709 UC 3111 distance=127' 16028+3705 HJ 580 distance=128' 16089+4041 TDS9773 distance=129' 16107+4019 COU1277 distance=134' 16090+3730 TDS9774 distance=139' 16128+3922 STF2028 distance=139' 16000+3650 VKI 23 distance=142' 16124+3812 SKF 219 distance=147' 16120+3803 LDS4649 distance=147' 15484+3931 COU1446AB distance=147' 15484+3931 COU1446AC distance=147' 16093+4106 KPP3302 distance=150' 16137+3935 CBL 504 distance=150' 15477+3902 TDS 788 distance=154' 15574+4140 STF1991AB distance=155' 15574+4140 STF1991AC distance=155' 16033+3638 BAG 52 distance=156' 16012+4150 STF2001AB distance=160' 16012+4150 WAL 71AC distance=160' 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 16009+3911 STT 304 AB 170 10.6
Show 16009+3911 WAL 70 AC 255 73.4
Show 16014+3910 NVL 1 90 13.9 7
Show 16011+3936 AG 200 217 3.1 26
Show 15597+3844 TDS9716 310 0.4 30
Show 16011+3836 TDS9730 93 0.6 36
Show 16002+3831 CVR 809 98 11.2 41
Show 16048+3910 WNO 47 280 70.0 47
Show 15572+3959 SKF1757 160 1.4 65
Show 16009+4016 TDS9728 192 1.1 66
Show 15554+3854 SLW1147 37 12.3 67
Show 15568+3816 UC 3090 326 94.2 74
Show 15583+4019 COU1448 257 1.1 75
Show 15564+3810 SLW1150 306 77.5 81
Show 16002+3746 HJ 579 102 30.9 86
Show 15530+3913 HJ 1280 1 32.6 93
Show 15528+3919 TDS9674 261 0.6 95
Show 15558+3757 H 6 94 68 90.6 96
Show 15591+3736 BFR 12 204 22.1 98
Show 16042+4045 A 1641 250 2.0 102
Show 15578+3735 UC 3094 70 60.4 103
Show 16083+3814 LDS4644 77 117.0 103
Show 16086+4003 STF2014 AB 91 8.4 104
Show 16086+4003 WAL 72 AC 78 54.4 104
Show 16020+3727 SHN 209 -1 0.2 105
Show 16049+4045 COU1275 249 2.0 105
Show 16077+4024 UC 3121 25 47.7 108
Show 16106+3928 HJ 1289 238 11.3 115
Show 16013+3714 SKF 240 79 1.9 117
Show 15512+3836 COU1447 297 2.3 119
Show 16089+3758 COU1276 53 3.3 119
Show 15562+4100 SLW1149 304 13.2 122
Show 15521+4023 HJ 575 203 14.2 126
Show 16037+3709 UC 3111 15 9.5 127
Show 16028+3705 HJ 580 7 40.7 128
Show 16089+4041 TDS9773 218 1.1 129
Show 16107+4019 COU1277 353 0.7 134
Show 16090+3730 TDS9774 210 0.7 139
Show 16128+3922 STF2028 147 0.5 139
Show 16000+3650 VKI 23 353 4.5 142
Show 16124+3812 SKF 219 37 4.0 147
Show 16120+3803 LDS4649 69 154.8 147
Show 15484+3931 COU1446 AB 357 2.2 147
Show 15484+3931 COU1446 AC 159 7.8 147
Show 16093+4106 KPP3302 275 1.6 150
Show 16137+3935 CBL 504 155 28.6 150
Show 15477+3902 TDS 788 355 2.2 154
Show 15574+4140 STF1991 AB 195 3.0 155
Show 15574+4140 STF1991 AC 87 95.0 155
Show 16033+3638 BAG 52 84 0.0 156
Show 16012+4150 STF2001 AB 168 11.5 160

 
 
WDS 16009+3911 : COMPONENTS
 
 
  A B
B pa=172.1°
sep=10.51"
 
C pa=250.3°
sep=58.23"
pa=260.7°
sep=57.02"
 
 
16009+3911 A
 
 
Name HD 143806 Coord arcsec 2000 160054.94+391039.0 Mag 6.77 Spectral class A0 (white)
PmRA 17.00 PmDE 11.0 SAO 65025 HIP 78448
Tycho2 3061-01681-1 HD 143806 GC 21528 BD BD+39 2942
Tycho2
Tycho2 3061-01681-1 Pflag RAmdeg 240.22894733 DEmdeg 39.17751398
PmRA 16.7 PmDE 11.3 E RAmdeg 4 E DEmdeg 4
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.42 EpDEm 1991.46
Num 11 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 0.9
Q pmDE 0.7 BTmag 6.906 E BTmag 0.014 VTmag 6.767
E VTmag 0.010 Prox 104 TYC T HIP 78448
CCDM RAdeg 240.22889694 DEdeg 39.17748778 EpRA 1990 1.61
EpDE 1990 1.63 E RAdeg 3.7 E DEdeg 3.7 Posflg
Corr 0.0
SAO
SAO 65025 DelFlag RA1950 PmRA1950 0.0017
DE1950 PmDE1950 0.008 Vmag 6.7 SpType A0
Double code Source 70 CatNum 21528 DM BD+39 2942
DMcomp BDsup HD 143806 M HD 0
GC 21528 RA1950rad 4.18503591 DE1950rad 0.68620123 PmRA2000 0.0021
PmDE2000 0.011
Hipparcos
Catalog H HIP 78448 Proxy RAhms 16 00 54.93
DEdms +39 10 39.0 Vmag 6.74 VarFlag R Vmag H
RAdeg 240.229 DEdeg 39.1775 AstroRef Plx 8.04
CCDM 16009+3911 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 143806 BD BD+39 2942
CD CP Dm number +39 2942 VIred 0.11
SpType A0 R SpType Coord arcsec 2000 160054.93+391039.0
Hipparcos 2
HIP 78448 Sn 5 So 0 Nc 1
RArad 4.192785185 DErad 0.6837761706 Plx 7.34 PmRA 16.65
PmDE 11.1 E RArad 0.31 E DErad 0.31 E Plx 0.39
E pmRA 0.37 E pmDE 0.36 Hpmag 6.7889 E Hpmag 0.0008
SHp 0.009 VA 0 BV 0.131 E BV 0.005
VI 0.15
CCDM
Ccdm 16009+3911 RComp Comp A Note1
Note2 Discov num DRAs 0.92 DDEs -21.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.7 Sp A0 PmNote *
PmRA 1 PmDE 14 Dm number +39 2942 Cat1 BD
Name2 +39 1553 Cat2 AGK2/3 HD 143806 M HD
ADS BDS A 9887 M ADS BDS N IDS IDS 15574N3927A
HIC 78448
 
 
16009+3911 B
 
 
Coord arcsec 2000 160055.06+391028.6 Mag 10.64 Calc delta mag 3.87 Calc coord yes
CCDM
Ccdm 16009+3911 RComp Comp B Note1
Note2 Discov num STT 304 DRAs 1.02 DDEs -31.7
R dRAs 90 Year 1847 Theta 175 Rho 10.7
Obs 6 Vmag 10.8 Sp PmNote
PmRA 1 PmDE 14 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 9887 M ADS BDS N IDS IDS 15574N3927B
HIC
 
 
16009+3911 C
 
 
Coord arcsec 2000 160050.22+391019.4 Mag 12.52 PmRA -7.00 PmDE 3.0
Calc delta mag 5.75 Calc coord yes