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Doubles in session


Current system
12158-2321
BU 920
HD 106612


Nearby doubles
53' : 12190-2253
RSS 285

54' : 12169-2228
LDS 399

55' : 12122-2343
DON 515

67' : 12117-2358
HJ 4506

70' : 12122-2231
HU 133

76' : 12116-2233
UC 2291

78' : 12165-2204
ARA1480

87' : 12147-2447
B 222

87' : 12095-2324
WHC 10

89' : 12101-2401
DON 514

95' : 12215-2413
HWE 26AB

96' : 12206-2213
BU 1245AB

98' : 12229-2315
COO 285

98' : 12107-2213
NSN 100

99' : 12093-2403
ARA2177

100' : 12137-2457
HU 735

102' : 12216-2220
DON1098

104' : 12126-2147
LDS4190

106' : 12224-2414
B 2294

107' : 12235-2310
VVO 9

109' : 12103-2203
UC 2287

110' : 12186-2139
UC 2312

111' : 12139-2133
DON 516

114' : 12209-2152
DON 523

118' : 12189-2130
LDS 403

126' : 12235-2433
LDS 409



Selections
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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.

12158-2321 BU 920 (HD 106612)

 
 
12h 15m 46.68s -23° 21' 13.9" P.A. 307.00 sep 1.9 mag 6.86,8.22 Sp F7V dist. 69.59 pc (227 l.y.)
 
 
Coord 2000 12158-2321 Discov num BU  920 Comp Coord arcsec 2000 12 15 46.68 -23 21 13.9
Date first 1879 Date last 2020 Obs 71
Pa first 52 Pa last 307.1 P.A. Now (θ) 307.1°
Sep first 0.8 Sep last 1.91 Sep. Now (ρ) 1.91"
Mag pri 6.86 Mag sec 8.22 delta mag (ΔM) 1.36 Spectral class F7V (yellow-white)
Pri motion ra -009 Sec motion ra -009
Pri motion dec -039 Sec motion dec -039
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 106612 Constellation Corvus SAO 180619 HIP 59801
Tycho2 6668-00972-1 Gaia DR2 3489916190792497280 HD 106612 HR 4661
GC 16739 ADS 8481 BD BD-22 3322 CD CD-22 9344
CP CP-22 5270 Distance 69.59 Distance ly 227
 
 
ORBITAL ELEMENTS
 
 
Period (P)2089.1431y± 1015.7624 Periastron (T)2138.8646y± 339.8961 Semi-major axis (a)10.29786a± 5.46269
Eccentricity (e)0.87556± 0.10176 Inclination (i)85.768°± 3.848 Longitude of periastron (ω)243.88°± 47.826
Node (Ω)140.973°± 17.891 Notesn ReferenceIzm2019
Equinox Last observation2014 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 303.6 1.787
2001 303.8 1.797
2002 304.0 1.808
2003 304.2 1.818
2004 304.4 1.829
2005 304.6 1.839
2006 304.8 1.850
2007 304.9 1.860
2008 305.1 1.871
2009 305.3 1.881
2010 305.5 1.891
2011 305.7 1.902
2012 305.9 1.912
2013 306.0 1.922
2014 306.2 1.932
2015 306.4 1.942
2016 306.6 1.953
2017 306.7 1.963
2018 306.9 1.973
2019 307.1 1.983
2020 307.2 1.993
2021 307.4 2.002
2022 307.6 2.012
2023 307.7 2.022
2024 307.9 2.032
2025 308.0 2.041
2026 308.2 2.051
2027 308.3 2.061
2028 308.5 2.070
2029 308.6 2.079
2030 308.8 2.089


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


 
  


wds12158-2321c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 12158-2321 BU 920 (HD 106612) : NOTES
 
 
discov_num notes refcode
BU 920 Bespalov orbit rejected from Fourth Orbit Catalog Bsp1961
("orbit completely faulty and irreparable") Wor1983
Rica (2012) derived a dynamical parallax of 15.6 mas (compared with FMR2012g
14.37 +/- 0.71 mas from Hipparcos) and a mass sum (using the Hipparcos
parallax) of 3.60 +/- 0.93 Msun.
 
 
REFERENCES
 
 
refcode metd author reference
Bsp1961 orb - Bespalov, A.V. .
Bsp1961 Trudy gos. astr. Inst. Sternberg 30, 99, 1961
FMR2012g orb - Rica, F.M. 2012JDSO....8..127R
FMR2012g JDSO 8, 127, 2012
Izm2019 orb u Izmailov, I.S. 2019AstL...45...30I
Izm2019 Ast. Lett. 45, 30, 2019
Izm2019 (Orbital elements from weighted solutions used when available (Table 2),
Izm2019 unweighted elements (Table 1) used for remaining 29 systems.)
Wor1983 - Worley, C.E. & Heintz, W.D. 1983PUSNO..24g...1W
Wor1983 Pub. USNO 24, Pt. 7, 1983 (Fourth Orbit Catalog)
 
 
DISCOVERER
 
 
idgroup discov author
1 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
12158-2321 BU 920 2000 61 304 1.8 6.86 8.22 F7V NOD 121546.68-232113.9
12158-2321 BU 920 2009 62 305 1.9 6.86 8.22 F7V NOD 121546.68-232113.9
12158-2321 BU 920 2014 65 306 1.9 6.86 8.22 F7V NO 121546.68-232113.9
12158-2321 BU 920 2016 66 307 1.9 6.86 8.22 F7V NO 121546.68-232113.9
12158-2321 BU 920 2020 69 307 1.9 6.86 8.22 F7V NO 121546.68-232113.9

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

 
 
WDS 12158-2321 BU 920 (HD 106612) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12158-2321 BU 920 (HD 106612) : MEASURES
 
 
No records found.

 
 
WDS 12158-2321 (HD 106612) : VIRTUAL EYEPIECE
 
 

12158-2321 BU 920A mag 6.86 Sp F7V 12158-2321 BU 920B sep 1.8 P.A. 309.50 mag 8.22 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 12158-2321 (HD 106612) : ALADIN DSS IMAGE @ 12h 15m 46.68s -23° 21' 13.9"
 
 
 
 
WDS 12158-2321 BU 920 (HD 106612) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12158-2321 BU 920 distance=1' 12179-2401 BU 921A,BC distance=50' 12179-2401 DON 521BC distance=50' 12190-2253 RSS 285 distance=53' 12169-2228 LDS 399 distance=54' 12122-2343 DON 515 distance=55' 12117-2358 HJ 4506 distance=67' 12122-2231 HU 133 distance=70' 12116-2233 UC 2291 distance=76' 12165-2204 ARA1480 distance=78' 12147-2447 B 222 distance=87' 12095-2324 WHC 10 distance=87' 12101-2401 DON 514 distance=89' 12206-2213 BU 605CD distance=94' 12215-2413 HWE 26AB distance=95' 12215-2413 HWE 26AC distance=95' 12215-2413 HWE 26BC distance=95' 12206-2213 BU 1245AB distance=96' 12206-2213 BU 1245A,CD distance=96' 12229-2315 COO 285 distance=98' 12107-2213 NSN 100 distance=98' 12093-2403 ARA2177 distance=99' 12137-2457 HU 735 distance=100' 12216-2220 DON1098 distance=102' 12126-2147 LDS4190 distance=104' 12224-2414 B 2294 distance=106' 12235-2310 VVO 9 distance=107' 12103-2203 UC 2287 distance=109' 12186-2139 UC 2312 distance=110' 12139-2133 DON 516 distance=111' 12209-2152 DON 523 distance=114' 12189-2130 LDS 403 distance=118' 12235-2433 LDS 409 distance=126' 12219-2140 DON 524 distance=132' 12254-2330 TDS8374 distance=134' 12062-2247 ARA1790 distance=136' 12258-2314 TDS8378 distance=139' 12174-2103 DON 520 distance=140' 12168-2100 DON 519 distance=142' 12160-2058 BRT1486 distance=143' 12201-2534 B 225 distance=146' 12051-2337 TDS8214 distance=148' 12051-2335 DON1096 distance=148' 12259-2221 KPP 272 distance=152' 12246-2150 DON 525 distance=154' 12078-2520 B 220 distance=162' 12167-2605 DON 518 distance=165' 12120-2042 UC 2292 distance=168' 12279-2311 DON 529 distance=168' 12163-2612 TDS8295 distance=172' 12149-2026 TDS8284 distance=177' 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 12158-2321 BU 920 307 1.9 1
Show 12179-2401 BU 921 A,BC 221 3.4 50
Show 12179-2401 DON 521 BC 50 0.2 50
Show 12190-2253 RSS 285 311 18.1 53
Show 12169-2228 LDS 399 235 10.7 54
Show 12122-2343 DON 515 40 1.3 55
Show 12117-2358 HJ 4506 312 7.1 67
Show 12122-2231 HU 133 316 1.5 70
Show 12116-2233 UC 2291 173 29.9 76
Show 12165-2204 ARA1480 129 13.3 78
Show 12147-2447 B 222 107 4.3 87
Show 12095-2324 WHC 10 22 12.6 87
Show 12101-2401 DON 514 149 1.6 89
Show 12206-2213 BU 605 CD 268 0.5 94
Show 12215-2413 HWE 26 AB 150 4.5 95
Show 12215-2413 HWE 26 AC 207 13.2 95
Show 12215-2413 HWE 26 BC 230 11.3 95
Show 12206-2213 BU 1245 AB 74 17.8 96
Show 12206-2213 BU 1245 A,CD 295 347.8 96
Show 12229-2315 COO 285 21 7.6 98
Show 12107-2213 NSN 100 357 3.3 98
Show 12093-2403 ARA2177 157 13.1 99
Show 12137-2457 HU 735 164 0.7 100
Show 12216-2220 DON1098 105 5.0 102
Show 12126-2147 LDS4190 73 33.5 104
Show 12224-2414 B 2294 140 10.4 106
Show 12235-2310 VVO 9 276 10.8 107
Show 12103-2203 UC 2287 233 32.6 109
Show 12186-2139 UC 2312 69 33.4 110
Show 12139-2133 DON 516 160 4.4 111
Show 12209-2152 DON 523 109 0.5 114
Show 12189-2130 LDS 403 164 6.9 118
Show 12235-2433 LDS 409 287 53.4 126
Show 12219-2140 DON 524 242 1.8 132
Show 12254-2330 TDS8374 75 0.7 134
Show 12062-2247 ARA1790 152 47.6 136
Show 12258-2314 TDS8378 120 1.5 139
Show 12174-2103 DON 520 17 2.0 140
Show 12168-2100 DON 519 114 0.4 142
Show 12160-2058 BRT1486 189 5.0 143
Show 12201-2534 B 225 73 0.5 146
Show 12051-2337 TDS8214 266 0.5 148
Show 12051-2335 DON1096 168 5.3 148
Show 12259-2221 KPP 272 253 3.8 152
Show 12246-2150 DON 525 80 4.5 154
Show 12078-2520 B 220 302 6.4 162
Show 12167-2605 DON 518 119 0.7 165
Show 12120-2042 UC 2292 347 62.9 168
Show 12279-2311 DON 529 196 1.9 168
Show 12163-2612 TDS8295 254 0.4 172
Show 12149-2026 TDS8284 231 0.4 177

 
 
WDS 12158-2321 : COMPONENTS
 
 
  A
B pa=309.5°
sep=1.81"
 
 
12158-2321 A
 
 
Componente originario normalizzato AB Name HD 106612 Coord arcsec 2000 121546.68-232113.9 Mag 6.86
Spectral class F7V (yellow-white) PmRA -9.00 PmDE -39.0 SAO 180619
HIP 59801 Tycho2 6668-00972-1 HD 106612 HR 4661
GC 16739 BD BD-22 3322 CD CD-22 9344 CP CP-22 5270
Tycho2
Tycho2 6668-00972-1 Pflag P RAmdeg 183.94452069 DEmdeg -23.35386692
PmRA -8.7 PmDE -38.5 E RAmdeg 4 E DEmdeg 5
E pmRA 3.4 E pmDE 3.3 EpRAm 1991.69 EpDEm 1991.31
Num 4 Q RAmdeg 2.2 Q DEmdeg 1.4 Q pmRA 2.3
Q pmDE 1.5 BTmag 7.328 E BTmag 0.015 VTmag 6.855
E VTmag 0.010 Prox 17 TYC T HIP 59801
CCDM A RAdeg 183.94460028 DEdeg -23.35380750 EpRA 1990 1.72
EpDE 1990 1.35 E RAdeg 3.8 E DEdeg 4.5 Posflg D
Corr 0.0
SAO
SAO 180619 DelFlag D RA1950 PmRA1950 0.0027
DE1950 PmDE1950 -0.035 Vmag 6.4 SpType F5
Double code Source 70 CatNum 16739 DM BD-22 3322
DMcomp BDsup HD 106612 M HD 0
GC 16739 RA1950rad 3.19913556 DE1950rad -0.40274163 PmRA2000 0.0028
PmDE2000 -0.03
Hipparcos
Catalog H HIP 59801 Proxy H RAhms 12 15 46.70
DEdms -23 21 13.7 Vmag 6.53 VarFlag R Vmag G
RAdeg 183.945 DEdeg -23.3538 AstroRef A Plx 14.39
CCDM 12158-2321 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AS
Theta 302 Rho 1.702 HD 106612 BD BD-22 3322
CD CD-22 9344 CP CP-22 5270 Dm number -22 3322 VIred 0.53
SpType F5/F6V R SpType Coord arcsec 2000 121546.70-232113.7
Hipparcos 2
HIP 59801 Sn 15 So 3 Nc 2
RArad 3.2104389133 DErad -0.4076007912 Plx 14.37 PmRA -0.52
PmDE -40.09 E RArad 0.65 E DErad 0.37 E Plx 0.71
E pmRA 0.76 E pmDE 0.46 Hpmag 6.6372 E Hpmag 0.0006
SHp 0.006 VA 0 BV 0.46 E BV 0.006
VI 0.53
CCDM
Ccdm 12158-2321 RComp Comp A Note1
Note2 Discov num DRAs -1.01 DDEs -13.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.7 Sp F5 PmNote *
PmRA 39 PmDE -35 Dm number -22 3322 Cat1 BD
Name2 180619 Cat2 SAO HD 106612 M HD
ADS BDS A 8481 M ADS BDS N IDS IDS 12106S2248A
HIC 59801
 
 
12158-2321 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 121546.58-232112.7 Mag 8.22 PmRA -9.00
PmDE -39.0 Tycho2 6668-00972-2 Calc delta mag 1.36 Calc coord yes
Tycho2
Tycho2 6668-00972-2 Pflag P RAmdeg 183.94452069 DEmdeg -23.35386692
PmRA -8.7 PmDE -38.5 E RAmdeg 4 E DEmdeg 5
E pmRA 3.4 E pmDE 3.3 EpRAm 1991.69 EpDEm 1991.31
Num 4 Q RAmdeg 2.2 Q DEmdeg 1.4 Q pmRA 2.3
Q pmDE 1.5 BTmag 8.789 E BTmag 0.019 VTmag 8.222
E VTmag 0.013 Prox 17 TYC HIP 59801
CCDM S RAdeg 183.94415944 DEdeg -23.35355500 EpRA 1990 1.70
EpDE 1990 1.37 E RAdeg 6.1 E DEdeg 7.9 Posflg D
Corr 0.0
CCDM
Ccdm 12158-2321 RComp Comp B Note1 *
Note2 Discov num BU 920 DRAs DDEs
R dRAs Year 1959 Theta 293 Rho 1.2
Obs 99 Vmag 7.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 8481 M ADS BDS N IDS IDS 12106S2248B
HIC 59801