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Doubles in session


Current system
09446+6459
CHR 176
HD 83962


Nearby doubles
19' : 09418+6457
TDS6752

34' : 09467+6530
TDS6800

39' : 09482+6530
SKF2322AB

40' : 09424+6422
CBL 288

41' : 09391+6440
TDS6718

43' : 09385+6441
DAM1679

55' : 09509+6538
LDS2579

59' : 09500+6412
TDS6839

61' : 09539+6447
STT 522

61' : 09352+6449
TDS6664

67' : 09548+6515
HDS1430

68' : 09380+6406
TDS6702

74' : 09526+6406
LDS2580

81' : 09459+6339
KUI 43

82' : 09505+6348
MLB 205

87' : 09317+6432
TDS6622

88' : 09514+6616
FYM 407

90' : 09575+6424
GIC9014

94' : 09307+6532
HDS1366

96' : 09551+6609
MLB 347

96' : 09478+6325
SKF1724

97' : 09311+6546
TDS6617

106' : 09568+6349
TDS6913

108' : 09526+6634
HJ 3315

112' : 09314+6348
LDS2578

119' : 09528+6646
DAM1822



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.

09446+6459 CHR 176 (HD 83962)

 
 
09h 44m 36.62s +64° 59' 02.6" P.A. 212.00 sep 0.1 mag 6.80,7.20 Sp A3V+A7V dist. 95.42 pc (311.26 l.y.)
 
 
Coord 2000 09446+6459 Discov num CHR 176 Comp Coord arcsec 2000 09 44 36.62 +64 59 02.6
Date first 1988 Date last 2019 Obs 18
Pa first 60 Pa last 212.2 P.A. Now (θ) 18.1°
Sep first 0.1 Sep last 0.063 Sep. Now (ρ) 0.09"
Mag pri 6.80 Mag sec 7.20 delta mag (ΔM) 0.4 Spectral class A3V+A7V (white/white)
Pri motion ra -047 Sec motion ra
Pri motion dec +025 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 83962 Constellation Ursa Major SAO 14976 HIP 47791
Tycho2 4139-00836-1 Gaia DR2 1064771050364196736 HD 83962 HR 3859
GC 13408 BD BD+65 731 Distance 95.42 Distance ly 311.26
 
 
ORBITAL ELEMENTS
 
 
Period (P)20.73y± 0.01 Periastron (T)1999.78y± 0.01 Semi-major axis (a)114.1m± 0.7
Eccentricity (e)0.373± 0.008 Inclination (i)76.3°± 0.2 Longitude of periastron (ω)259.7°± 0.1
Node (Ω)22.2°± 0.2 Notes ReferenceMit2020
Equinox Last observation Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 286.7 0.017
2001 4.6 0.049
2002 16.3 0.083
2003 21.9 0.104
2004 26.0 0.113
2005 29.9 0.113
2006 33.9 0.107
2007 38.8 0.095
2008 45.3 0.080
2009 55.0 0.064
2010 71.4 0.048
2011 99.9 0.038
2012 135.4 0.039
2013 160.8 0.051
2014 175.3 0.067
2015 184.3 0.082
2016 190.7 0.094
2017 196.0 0.099
2018 201.2 0.094
2019 208.0 0.075
2020 223.7 0.040
2021 327.6 0.021
2022 9.1 0.060
2023 18.1 0.090
2024 23.1 0.108
2025 27.1 0.114
2026 30.9 0.112
2027 35.2 0.104
2028 40.4 0.091
2029 47.5 0.076
2030 58.6 0.059


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


 
  


wds09446%2B6459c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 09446+6459 CHR 176 (HD 83962) : NOTES
 
 
discov_num notes refcode
CHR 176 Cvetkovic et al. (2016) estimate spectral types A4 and A4, masses 2.10
and 2.10 Msun. Dynamical parallax is 9.61 +/- 0.08 mas. Cve2016b
 
 
REFERENCES
 
 
refcode metd author reference
Cve2016b orb - Cvetkovic, Z., Pavlovic, R. & Ninkovic, S. 2016AJ....151...83C
Cve2016b +lin AJ 151, 83, 2016
Mit2020 S - Mitrofanova, A., Dyachenko, V., Beskakotov, A., Balega, Y., Maksimov, A., 2020AJ....159..266M
Mit2020 Rastegaev, D. & Komarinsky, S.
Mit2020 AJ 159, 266, 2020
 
 
DISCOVERER
 
 
idgroup discov author
1 CHR Center for High Ang. Res. Astronomy (speckle interferometry systems)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
09446+6459 CHR 176 1994 3 188 0.1 6.20   F3Vn 094436.62+645902.6
09446+6459 CHR 176 2005 4 211 0.1 6.20   F3Vn 094436.62+645902.6
09446+6459 CHR 176 2019 18 212 0.1 6.80 7.20 A3V+A7V NO 094436.62+645902.6

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

 
 
WDS 09446+6459 CHR 176 (HD 83962) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 09446+6459 CHR 176 (HD 83962) : MEASURES
 
 
No records found.

 
 
WDS 09446+6459 (HD 83962) : VIRTUAL EYEPIECE
 
 

09446+6459 CHR 176A mag 6.8 Sp A3V 09446+6459 CHR 176B sep 0.1 P.A. 194.90 mag 7.2 Sp A7V 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 09446+6459 (HD 83962) : ALADIN DSS IMAGE @ 09h 44m 36.62s +64° 59' 02.6"
 
 
 
 
WDS 09446+6459 CHR 176 (HD 83962) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

09446+6459 CHR 176 distance=1' 09418+6457 TDS6752 distance=19' 09467+6530 TDS6800 distance=34' 09482+6530 SKF2322AB distance=39' 09424+6422 CBL 288 distance=40' 09391+6440 TDS6718 distance=41' 09385+6441 DAM1679 distance=43' 09509+6538 LDS2579 distance=55' 09500+6412 TDS6839 distance=59' 09539+6447 STT 522 distance=61' 09352+6449 TDS6664 distance=61' 09548+6515 HDS1430 distance=67' 09380+6406 TDS6702 distance=68' 09526+6406 LDS2580 distance=74' 09459+6339 KUI 43 distance=81' 09505+6348 MLB 205 distance=82' 09317+6432 TDS6622 distance=87' 09514+6616 FYM 407 distance=88' 09575+6424 GIC9014 distance=90' 09307+6532 HDS1366 distance=94' 09551+6609 MLB 347 distance=96' 09478+6325 SKF1724 distance=96' 09311+6546 TDS6617 distance=97' 09568+6349 TDS6913 distance=106' 09526+6634 HJ 3315 distance=108' 09314+6348 LDS2578 distance=112' 09528+6646 DAM1822 distance=119' 09270+6421 STF1345 distance=120' 09533+6648 TDS6880 distance=122' 09343+6648 STF1350AB distance=126' 09343+6648 STF1350AC distance=126' 09343+6648 STF1350BC distance=126' 09432+6709 MLR 323Aa,Ab distance=131' 09432+6709 MLB 405AB distance=131' 09411+6250 TDS6738 distance=131' 09411+6713 TDS6737 distance=136' 09438+6714 SHN 128 distance=136' 10039+6405 TDS6997 distance=136' 09381+6249 ES 1902 distance=138' 09251+6358 CBL 277 distance=140' 09404+6718 DAM1689 distance=141' 09315+6304 STF1351AB distance=144' 09315+6304 STF1351AC distance=144' 09379+6241 PKO 9 distance=145' 09322+6704 TDS6631 distance=147' 09256+6329 JNN 275 distance=153' 09515+6233 TDS6858AB distance=153' 09515+6233 DAM1805AB,C distance=153' 09466+6733 SHN 129 distance=155' 09474+6738 DAM1744 distance=160' 09413+6214 STI 693 distance=167' 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 09446+6459 CHR 176 212 0.1 1
Show 09418+6457 TDS6752 123 0.8 19
Show 09467+6530 TDS6800 19 0.6 34
Show 09482+6530 SKF2322 AB 342 69.8 39
Show 09424+6422 CBL 288 277 14.8 40
Show 09391+6440 TDS6718 356 0.4 41
Show 09385+6441 DAM1679 23 3.5 43
Show 09509+6538 LDS2579 212 13.1 55
Show 09500+6412 TDS6839 200 0.7 59
Show 09539+6447 STT 522 124 14.5 61
Show 09352+6449 TDS6664 51 0.6 61
Show 09548+6515 HDS1430 192 0.3 67
Show 09380+6406 TDS6702 245 0.5 68
Show 09526+6406 LDS2580 184 46.0 74
Show 09459+6339 KUI 43 25 6.2 81
Show 09505+6348 MLB 205 247 2.3 82
Show 09317+6432 TDS6622 269 0.5 87
Show 09514+6616 FYM 407 242 15.7 88
Show 09575+6424 GIC9014 358 2.3 90
Show 09307+6532 HDS1366 77 0.2 94
Show 09551+6609 MLB 347 61 8.1 96
Show 09478+6325 SKF1724 146 2.6 96
Show 09311+6546 TDS6617 170 0.6 97
Show 09568+6349 TDS6913 97 1.6 106
Show 09526+6634 HJ 3315 289 10.6 108
Show 09314+6348 LDS2578 9 49.2 112
Show 09528+6646 DAM1822 75 4.5 119
Show 09270+6421 STF1345 85 2.9 120
Show 09533+6648 TDS6880 147 0.7 122
Show 09343+6648 STF1350 AB 249 10.2 126
Show 09343+6648 STF1350 AC 216 131.0 126
Show 09343+6648 STF1350 BC 213 122.6 126
Show 09432+6709 MLR 323 Aa,Ab 24 0.4 131
Show 09432+6709 MLB 405 AB 109 7.4 131
Show 09411+6250 TDS6738 9 0.5 131
Show 09411+6713 TDS6737 258 0.5 136
Show 09438+6714 SHN 128 -1 0.7 136
Show 10039+6405 TDS6997 321 0.5 136
Show 09381+6249 ES 1902 269 9.1 138
Show 09251+6358 CBL 277 296 14.1 140
Show 09404+6718 DAM1689 279 1.9 141
Show 09315+6304 STF1351 AB 267 22.7 144
Show 09315+6304 STF1351 AC 232 107.4 144
Show 09379+6241 PKO 9 286 6.8 145
Show 09322+6704 TDS6631 134 2.4 147
Show 09256+6329 JNN 275 93 0.1 153
Show 09515+6233 TDS6858 AB 24 0.5 153
Show 09515+6233 DAM1805 AB,C 72 6.1 153
Show 09466+6733 SHN 129 -1 0.1 155
Show 09474+6738 DAM1744 49 0.9 160
Show 09413+6214 STI 693 220 4.5 167

 
 
WDS 09446+6459 : COMPONENTS
 
 
  A
B pa=194.9°
sep=0.06"
 
 
09446+6459 A
 
 
Componente originario normalizzato AB Name HD 83962 Coord arcsec 2000 094436.62+645902.6 Mag 6.8
Spectral class A3V (white) PmRA -47.00 PmDE 25.0 SAO 14976
HIP 47791 Tycho2 4139-00836-1 HD 83962 HR 3859
GC 13408 BD BD+65 731
Tycho2
Tycho2 4139-00836-1 Pflag RAmdeg 146.15229615 DEmdeg 64.98411295
PmRA -53.4 PmDE 19.0 E RAmdeg 3 E DEmdeg 3
E pmRA 1.1 E pmDE 1.2 EpRAm 1991.56 EpDEm 1991.60
Num 10 Q RAmdeg 0.3 Q DEmdeg 0.7 Q pmRA 0.4
Q pmDE 0.8 BTmag 6.655 E BTmag 0.014 VTmag 6.225
E VTmag 0.009 Prox 999 TYC T HIP 47791
CCDM RAdeg 146.15258778 DEdeg 64.98406917 EpRA 1990 1.68
EpDE 1990 1.69 E RAdeg 3.4 E DEdeg 3.3 Posflg
Corr -0.3
SAO
SAO 14976 DelFlag RA1950 PmRA1950 -0.0079
DE1950 PmDE1950 0.009 Vmag 6.2 SpType F2
Double code Source 70 CatNum 13408 DM BD+65 731
DMcomp BDsup HD 83962 M HD 0
GC 13408 RA1950rad 2.53379089 DE1950rad 1.13819216 PmRA2000 -0.0077
PmDE2000 0.012
Hipparcos
Catalog H HIP 47791 Proxy RAhms 09 44 36.62
DEdms +64 59 02.6 Vmag 6.18 VarFlag R Vmag H
RAdeg 146.153 DEdeg 64.9841 AstroRef Plx 9.29
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 83962 BD BD+65 731
CD CP Dm number +65 731 VIred 0.48
SpType F3Vn R SpType Coord arcsec 2000 094436.62+645902.6
Hipparcos 2
HIP 47791 Sn 5 So 0 Nc 1
RArad 2.5508441513 DErad 1.1341859094 Plx 10.48 PmRA -54.28
PmDE 18.87 E RArad 0.21 E DErad 0.22 E Plx 0.36
E pmRA 0.27 E pmDE 0.27 Hpmag 6.2802 E Hpmag 0.0006
SHp 0.008 VA 0 BV 0.419 E BV 0.003
VI 0.49
CCDM
Ccdm 09446+6459 RComp Comp A Note1
Note2 Discov num DRAs 0.59 DDEs 3.0
R dRAs 81 Year Theta Rho
Obs 2 Vmag 6.2 Sp F3 PmNote @
PmRA -51 PmDE 25 Dm number +65 731 Cat1 BD
Name2 +65 489 Cat2 AGK2/3 HD 83962 M HD
ADS BDS M ADS BDS N IDS W IDS 09446+6459A
HIC 47791
 
 
09446+6459 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 094436.62+645902.5 Mag 7.2 Spectral class A7V (white)
Calc delta mag 0.4 Calc coord yes
CCDM
Ccdm 09446+6459 RComp Comp B Note1
Note2 Discov num CHR 176 DRAs DDEs
R dRAs Year 1988 Theta 60 Rho 0.1
Obs 2 Vmag Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS W IDS 09446+6459B
HIC 47791