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Doubles in session


Current system
16212+2259
HU 481
HD 147442


Nearby doubles
8' : 16212+2307
POU3222

23' : 16218+2320
POU3223

24' : 16220+2320
GRV 927

29' : 16199+2238
OSO 68AB

42' : 16242+2245
LDS4665

44' : 16221+2218
HU 482AB

46' : 16199+2341
COU 108AB

48' : 16192+2337
POU3221

50' : 16232+2341
J 399

62' : 16232+2204
TDS9873

65' : 16167+2247
AZC 97

68' : 16176+2345
KPP3994

71' : 16263+2254
POU3226

83' : 16275+2310
LDS1435

84' : 16159+2340
POU3219

91' : 16244+2140
OSO 70

95' : 16196+2128
SLW1171

100' : 16267+2405
KPP2370

105' : 16236+2438
CLZ 67

107' : 16223+2445
STF2039

108' : 16139+2338
POU3218

110' : 16145+2358
LDS4651

112' : 16179+2441
POU3220

115' : 16236+2449
UC 3161

122' : 16218+2501
SLW1174

123' : 16214+2502
TDS9856



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.

16212+2259 HU 481 (HD 147442)

 
 
16h 21m 14.74s +22° 59' 18.8" P.A. 237.00 sep 0.5 mag 8.21,10.04 Sp F8 dist. 66.18 pc (215.88 l.y.)
 
 
Coord 2000 16212+2259 Discov num HU  481 Comp Coord arcsec 2000 16 21 14.74 +22 59 18.8
Date first 1902 Date last 2021 Obs 86
Pa first 228 Pa last 237.2 P.A. Now (θ) 230.5°
Sep first 0.5 Sep last 0.481 Sep. Now (ρ) 0.472"
Mag pri 8.21 Mag sec 10.04 delta mag (ΔM) 1.83 Spectral class F8 (yellow-white)
Pri motion ra -008 Sec motion ra
Pri motion dec -040 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 147442 Constellation Hercules SAO 84317 HIP 80117
Tycho2 2043-00283-1 Gaia DR2 1301701718658018048 HD 147442 ADS 10017
BD BD+23 2924 Distance 66.18 Distance ly 215.88
 
 
ORBITAL ELEMENTS
 
 
Period (P)119.5y Periastron (T)1997.95y Semi-major axis (a)0.464a
Eccentricity (e)0.567 Inclination (i)146.8° Longitude of periastron (ω)160.5°
Node (Ω)172.6° Notesn ReferenceHrt2010a
Equinox2000 Last observation2009 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 346.8 0.208
2001 336.8 0.214
2002 327.3 0.221
2003 318.5 0.228
2004 310.1 0.236
2005 302.4 0.245
2006 295.2 0.254
2007 288.5 0.264
2008 282.4 0.276
2009 276.7 0.287
2010 271.5 0.300
2011 266.8 0.313
2012 262.4 0.326
2013 258.3 0.339
2014 254.6 0.353
2015 251.1 0.366
2016 247.9 0.380
2017 244.9 0.393
2018 242.1 0.407
2019 239.5 0.420
2020 237.0 0.433
2021 234.7 0.446
2022 232.6 0.459
2023 230.5 0.472
2024 228.5 0.484
2025 226.7 0.496
2026 224.9 0.508
2027 223.2 0.519
2028 221.6 0.530
2029 220.0 0.541
2030 218.5 0.552


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


 
  


wds16212%2B2259b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 16212+2259 HU 481 (HD 147442) : NOTES
 
 
discov_num notes refcode
HU 481 Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 2.03 +/- 0.64, 2.12, and 1.10 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Hrt2010a orb - Hartkopf, W.I. & Mason, B.D. 2010IAUDS.170....1H
Hrt2010a Inf. Circ. 170, 1, 2010
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 HU Hussey, W.F.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16212+2259 HU 481 1996 78 27 0.2 8.21 10.04 F8 NO 162114.74+225918.8
16212+2259 HU 481 2009 81 275 0.3 8.21 10.04 F8 NO 162114.74+225918.8
16212+2259 HU 481 2015 83 252 0.4 8.21 10.04 F8 NO 162114.74+225918.8
16212+2259 HU 481 2018 84 244 0.4 8.21 10.04 F8 NO 162114.74+225918.8
16212+2259 HU 481 2021 85 237 0.5 8.21 10.04 F8 NO 162114.74+225918.8

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

 
 
WDS 16212+2259 HU 481 (HD 147442) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16212+2259 HU 481 (HD 147442) : MEASURES
 
 
No records found.

 
 
WDS 16212+2259 (HD 147442) : VIRTUAL EYEPIECE
 
 

16212+2259 HU 481A mag 8.21 Sp F8 16212+2259 HU 481B sep 0.5 P.A. 235.00 mag 10.04 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 16212+2259 (HD 147442) : ALADIN DSS IMAGE @ 16h 21m 14.74s +22° 59' 18.8"
 
 
 
 
WDS 16212+2259 HU 481 (HD 147442) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16212+2259 HU 481 distance=1' 16212+2307 POU3222 distance=8' 16218+2320 POU3223 distance=23' 16220+2320 GRV 927 distance=24' 16199+2238 LAW 4Aa,Ab distance=29' 16199+2238 OSO 68AB distance=29' 16199+2238 OSO 68AC distance=29' 16242+2245 LDS4665 distance=42' 16221+2218 HU 482AB distance=44' 16221+2218 GII 233Aa,Ab distance=44' 16199+2341 COU 108AB distance=46' 16199+2341 GII 232Aa,Ab distance=46' 16192+2337 POU3221 distance=48' 16232+2341 J 399 distance=50' 16232+2204 TDS9873 distance=62' 16167+2247 AZC 97 distance=65' 16176+2345 KPP3994 distance=68' 16263+2254 POU3226 distance=71' 16275+2310 LDS1435 distance=83' 16159+2340 POU3219 distance=84' 16244+2140 OSO 70 distance=91' 16196+2128 SLW1171 distance=95' 16267+2405 KPP2370 distance=100' 16236+2438 CLZ 67 distance=105' 16223+2445 STF2039 distance=107' 16139+2338 POU3218 distance=108' 16145+2358 LDS4651 distance=110' 16179+2441 POU3220 distance=112' 16236+2449 UC 3161 distance=115' 16218+2501 SLW1174 distance=122' 16214+2502 TDS9856 distance=123' 16263+2441 POU3225 distance=123' 16126+2341 FMR 124 distance=126' 16301+2324 POU3229 distance=126' 16272+2445 POU3227 distance=133' 16256+2054 COU 198 distance=139' 16134+2431 POU3216 distance=141' 16287+2437 POU3228 distance=142' 16138+2437 POU3217 distance=142' 16255+2050 TDS9890 distance=143' 16316+2307 POU3231 distance=144' 16310+2359 SHY 704 distance=147' 16319+2313 HU 484 distance=148' 16239+2034 AZC 99AB distance=151' 16102+2312 RAO 508 distance=154' 16323+2249 KPP4003 distance=154' 16302+2129 BLA 4Aa,Ab (Kornephoros) distance=154' 16302+2129 BUP 170AB (Kornephoros) distance=154' 16309+2420 POU3230 distance=155' 16278+2054 STH 3AB distance=155' 16278+2054 STT 311AC distance=155' 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 16212+2259 HU 481 237 0.5 1
Show 16212+2307 POU3222 47 4.5 8
Show 16218+2320 POU3223 349 4.3 23
Show 16220+2320 GRV 927 227 46.8 24
Show 16199+2238 LAW 4 Aa,Ab 222 0.2 29
Show 16199+2238 OSO 68 AB 346 16.5 29
Show 16199+2238 OSO 68 AC 158 12.2 29
Show 16242+2245 LDS4665 48 11.4 42
Show 16221+2218 HU 482 AB 145 1.6 44
Show 16221+2218 GII 233 Aa,Ab 158 0.1 44
Show 16199+2341 COU 108 AB 257 0.6 46
Show 16199+2341 GII 232 Aa,Ab 251 0.2 46
Show 16192+2337 POU3221 310 4.8 48
Show 16232+2341 J 399 51 5.1 50
Show 16232+2204 TDS9873 285 0.6 62
Show 16167+2247 AZC 97 103 9.4 65
Show 16176+2345 KPP3994 264 1.7 68
Show 16263+2254 POU3226 29 15.0 71
Show 16275+2310 LDS1435 228 8.5 83
Show 16159+2340 POU3219 332 3.9 84
Show 16244+2140 OSO 70 149 16.9 91
Show 16196+2128 SLW1171 174 10.0 95
Show 16267+2405 KPP2370 243 20.4 100
Show 16236+2438 CLZ 67 169 136.5 105
Show 16223+2445 STF2039 344 11.6 107
Show 16139+2338 POU3218 217 9.6 108
Show 16145+2358 LDS4651 299 147.2 110
Show 16179+2441 POU3220 179 11.5 112
Show 16236+2449 UC 3161 210 55.8 115
Show 16218+2501 SLW1174 335 138.5 122
Show 16214+2502 TDS9856 18 0.5 123
Show 16263+2441 POU3225 213 8.6 123
Show 16126+2341 FMR 124 330 60.1 126
Show 16301+2324 POU3229 303 5.4 126
Show 16272+2445 POU3227 141 3.2 133
Show 16256+2054 COU 198 163 1.1 139
Show 16134+2431 POU3216 294 14.3 141
Show 16287+2437 POU3228 139 3.9 142
Show 16138+2437 POU3217 261 6.3 142
Show 16255+2050 TDS9890 204 2.4 143
Show 16316+2307 POU3231 210 22.6 144
Show 16310+2359 SHY 704 106 999.9 147
Show 16319+2313 HU 484 209 2.5 148
Show 16239+2034 AZC 99 AB 292 26.8 151
Show 16102+2312 RAO 508 -1 0.3 154
Show 16323+2249 KPP4003 171 1.9 154
Show Kornephoros 16302+2129 BLA 4 Aa,Ab 107 0.0 154
Show Kornephoros 16302+2129 BUP 170 AB 276 245.8 154
Show 16309+2420 POU3230 308 9.3 155
Show 16278+2054 STH 3 AB 285 2.1 155
Show 16278+2054 STT 311 AC 321 11.0 155

 
 
WDS 16212+2259 : COMPONENTS
 
 
  A
B pa=235.0°
sep=0.45"
 
 
16212+2259 A
 
 
Componente originario normalizzato AB Name HD 147442 Coord arcsec 2000 162114.74+225918.8 Mag 8.21
Spectral class F8 (yellow-white) PmRA -8.00 PmDE -40.0 SAO 84317
HIP 80117 Tycho2 2043-00283-1 HD 147442 ADS 10017
BD BD+23 2924
Tycho2
Tycho2 2043-00283-1 Pflag RAmdeg 245.31140481 DEmdeg 22.98847156
PmRA -8.1 PmDE -38.7 E RAmdeg 5 E DEmdeg 5
E pmRA 1.1 E pmDE 1.0 EpRAm 1991.28 EpDEm 1991.17
Num 12 Q RAmdeg 1.2 Q DEmdeg 1.4 Q pmRA 1.3
Q pmDE 1.4 BTmag 8.531 E BTmag 0.016 VTmag 7.960
E VTmag 0.011 Prox 999 TYC T HIP 80117
CCDM AB RAdeg 245.31142528 DEdeg 22.98856194 EpRA 1990 1.64
EpDE 1990 1.57 E RAdeg 4.9 E DEdeg 5.2 Posflg P
Corr -0.1
SAO
SAO 84317 DelFlag RA1950 PmRA1950 -0.0003
DE1950 PmDE1950 -0.045 Vmag 8.1 SpType F8
Double code Source 35 CatNum 5575 DM BD+23 2924
DMcomp BDsup HD 147442 M HD 0
GC RA1950rad 4.2721857 DE1950rad 0.40328185 PmRA2000 -0.0002
PmDE2000 -0.043
Hipparcos
Catalog H HIP 80117 Proxy H RAhms 16 21 14.74
DEdms +22 59 18.8 Vmag 7.92 VarFlag R Vmag G
RAdeg 245.311 DEdeg 22.9886 AstroRef * Plx 14.82
CCDM 16212+2259 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 81 Rho 0.245 HD 147442 BD BD+23 2924
CD CP Dm number +23 2924 VIred 0.62
SpType F8 R SpType Coord arcsec 2000 162114.74+225918.8
Hipparcos 2
HIP 80117 Sn 55 So 3 Nc 2
RArad 4.2814921022 DErad 0.4012261412 Plx 15.11 PmRA -1.27
PmDE -45.06 E RArad 0.51 E DErad 0.53 E Plx 0.84
E pmRA 0.5 E pmDE 0.66 Hpmag 8.0215 E Hpmag 0.0012
SHp 0.015 VA 0 BV 0.551 E BV 0.015
VI 0.62
CCDM
Ccdm 16212+2259 RComp Comp A Note1
Note2 Discov num DRAs 2.72 DDEs 19.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.0 Sp F8 PmNote *
PmRA -13 PmDE -19 Dm number +23 2924 Cat1 BD
Name2 +23 1529 Cat2 AGK2/3 HD 147442 M HD
ADS BDS A10017 M ADS BDS N IDS IDS 16170N2314A
HIC 80117
 
 
16212+2259 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 162114.71+225918.5 Mag 10.04 Calc delta mag 1.83
Calc coord yes
CCDM
Ccdm 16212+2259 RComp Comp B Note1 *
Note2 Discov num HU 481 DRAs DDEs
R dRAs Year 1960 Theta 178 Rho 0.7
Obs 31 Vmag 9.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10017 M ADS BDS N IDS IDS 16170N2314B
HIC 80117