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Current system
16128+3922
STF 2028
HD 146100


Nearby doubles
17' : 16137+3935
CBL 504

27' : 16106+3928
HJ 1289

36' : 16147+3854
HJ 2801

58' : 16177+3914
HJ 584

59' : 16166+4001
COU1278

63' : 16107+4019
COU1277

64' : 16086+4003
STF2014AB

68' : 16182+3857
HU 1275

70' : 16124+3812
SKF 219

80' : 16120+3803
LDS4649

83' : 16194+3854
CVR 817

85' : 16148+3801
LDS4657

85' : 16077+4024
UC 3121

85' : 16199+3943
KUI 72AB

86' : 16128+4122
STF2030

86' : 16083+3814
LDS4644

92' : 16089+4041
TDS9773

93' : 16048+3910
WNO 47

95' : 16173+3804
KPP 364

96' : 16089+3758
COU1276

108' : 16220+3908
COU1279

112' : 16093+4106
KPP3302

118' : 16118+3725
HJ 260

121' : 16090+3730
TDS9774

124' : 16049+4045
COU1275

129' : 16234+3844
LDS4664



Selections
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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.

16128+3922 STF 2028 (HD 146100)

 
 
16h 12m 48.11s +39° 21' 35.6" P.A. 147.00 sep 0.5 mag 9.88,9.14 Sp G0 dist. 67.2 pc (219.21 l.y.)
 
 
Coord 2000 16128+3922 Discov num STF2028 Comp Coord arcsec 2000 16 12 48.11 +39 21 35.6
Date first 1906 Date last 2016 Obs 60
Pa first 147 Pa last 146.5 P.A. Now (θ) 147.5°
Sep first 0.5 Sep last 0.491 Sep. Now (ρ) 0.528"
Mag pri 9.88 Mag sec 9.14 delta mag (ΔM) 0.74 Spectral class G0 (yellow)
Pri motion ra -256 Sec motion ra
Pri motion dec +279 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 146100 Constellation Corona Borealis SAO 65149 HIP 79448
Tycho2 3061-01469-1 HD 146100 GC 21827 ADS 9970
BD BD+39 2963 Distance 67.2 Distance ly 219.21
 
 
ORBITAL ELEMENTS
 
 
Period (P)105.34y Periastron (T)1993.38y Semi-major axis (a)0.399a
Eccentricity (e)0.616 Inclination (i)83.6° Longitude of periastron (ω)223.7°
Node (Ω)145.5° Notesn ReferenceHrt2014b
Equinox2000 Last observation2009 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 138.0 0.156
2001 139.6 0.191
2002 140.8 0.223
2003 141.6 0.252
2004 142.3 0.279
2005 142.9 0.305
2006 143.3 0.328
2007 143.7 0.350
2008 144.1 0.370
2009 144.5 0.388
2010 144.8 0.405
2011 145.0 0.421
2012 145.3 0.435
2013 145.5 0.449
2014 145.8 0.461
2015 146.0 0.472
2016 146.2 0.482
2017 146.4 0.491
2018 146.6 0.499
2019 146.8 0.506
2020 147.0 0.513
2021 147.1 0.519
2022 147.3 0.524
2023 147.5 0.528
2024 147.7 0.531
2025 147.8 0.534
2026 148.0 0.537
2027 148.2 0.538
2028 148.3 0.539
2029 148.5 0.539
2030 148.7 0.539


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


 
  


wds16128%2B3922a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 16128+3922 STF 2028 (HD 146100) : NOTES
 
 
discov_num notes refcode
STF2028 Pair was listed, but in a "rejected" list, not part of discoverer's
regular numbering sequence.
 
 
REFERENCES
 
 
refcode metd author reference
Hrt2014b orb - Hartkopf, W.I. & Mason, B.D. 2014IAUDS.184....1H
Hrt2014b Inf. Circ. 184, 1, 2014
 
 
DISCOVERER
 
 
idgroup discov author
1 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16128+3922 STF2028 2007 52 152 0.3 9.88 9.14 G0 NOD 161248.31+392133.2
16128+3922 STF2028 2009 55 145 0.4 9.88 9.14 G0 NOD 161248.31+392133.2
16128+3922 STF2028 2010 57 144 0.4 9.88 9.14 G0 NO 161248.31+392133.2
16128+3922 STF2028 2016 59 147 0.5 9.88 9.14 G0 NO 161248.11+392135.6

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

 
 
WDS 16128+3922 STF 2028 (HD 146100) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16128+3922 STF 2028 (HD 146100) : MEASURES
 
 
No records found.

 
 
WDS 16128+3922 (HD 146100) : VIRTUAL EYEPIECE
 
 

16128+3922 STF2028A mag 9.88 Sp G0 16128+3922 STF2028B sep 0.5 P.A. 152.90 mag 9.14 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 16128+3922 (HD 146100) : ALADIN DSS IMAGE @ 16h 12m 48.11s +39° 21' 35.6"
 
 
 
 
WDS 16128+3922 STF 2028 (HD 146100) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16128+3922 STF2028 distance=0' 16137+3935 CBL 504 distance=17' 16106+3928 HJ 1289 distance=27' 16147+3854 HJ 2801 distance=36' 16177+3914 HJ 584 distance=58' 16166+4001 COU1278 distance=59' 16107+4019 COU1277 distance=63' 16086+4003 STF2014AB distance=64' 16086+4003 WAL 72AC distance=64' 16182+3857 HU 1275 distance=68' 16124+3812 SKF 219 distance=70' 16120+3803 LDS4649 distance=80' 16194+3854 CVR 817 distance=83' 16148+3801 LDS4657 distance=85' 16077+4024 UC 3121 distance=85' 16199+3943 KUI 72AB distance=85' 16128+4122 STF2030 distance=86' 16083+3814 LDS4644 distance=86' 16089+4041 TDS9773 distance=92' 16048+3910 WNO 47 distance=93' 16173+3804 KPP 364 distance=95' 16089+3758 COU1276 distance=96' 16220+3908 COU1279 distance=108' 16093+4106 KPP3302 distance=112' 16118+3725 HJ 260 distance=118' 16090+3730 TDS9774 distance=121' 16049+4045 COU1275 distance=124' 16234+3844 LDS4664 distance=129' 16042+4045 A 1641 distance=130' 16226+3819 PKO 15 distance=132' 16014+3910 NVL 1 distance=133' 16229+3815 KU 53 distance=136' 16011+3936 AG 200 distance=136' 16009+3911 STT 304AB distance=139' 16009+3911 WAL 70AC distance=139' 16248+3925 HU 1276 distance=140' 16245+4001 KPP3998 distance=141' 16229+3803 COU1281 distance=142' 16011+3836 TDS9730 distance=145' 16163+4142 HJ 1291 distance=146' 16009+4016 TDS9728 distance=149' 16212+4118 FAR 46 distance=152' 16251+3830 TDS9886 distance=153' 16002+3831 CVR 809 distance=157' 16192+4140 STT 309 distance=157' 15597+3844 TDS9716 distance=158' 16140+4200 COU1449AB distance=159' 16140+4200 GII 230Aa,Ab distance=159' 16263+3841 SKF2387 distance=163' 16253+3808 NSN 678 distance=164' 16090+3643 KPP3984AB 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 16128+3922 STF2028 147 0.5
Show 16137+3935 CBL 504 155 28.6 17
Show 16106+3928 HJ 1289 238 11.3 27
Show 16147+3854 HJ 2801 211 31.1 36
Show 16177+3914 HJ 584 200 15.4 58
Show 16166+4001 COU1278 336 1.3 59
Show 16107+4019 COU1277 353 0.7 63
Show 16086+4003 STF2014 AB 91 8.4 64
Show 16086+4003 WAL 72 AC 78 54.4 64
Show 16182+3857 HU 1275 168 2.9 68
Show 16124+3812 SKF 219 37 4.0 70
Show 16120+3803 LDS4649 69 154.8 80
Show 16194+3854 CVR 817 326 10.9 83
Show 16148+3801 LDS4657 297 9.1 85
Show 16077+4024 UC 3121 25 47.7 85
Show 16199+3943 KUI 72 AB 125 3.2 85
Show 16128+4122 STF2030 239 5.7 86
Show 16083+3814 LDS4644 77 117.0 86
Show 16089+4041 TDS9773 218 1.1 92
Show 16048+3910 WNO 47 280 70.0 93
Show 16173+3804 KPP 364 342 3.5 95
Show 16089+3758 COU1276 53 3.3 96
Show 16220+3908 COU1279 28 1.6 108
Show 16093+4106 KPP3302 275 1.6 112
Show 16118+3725 HJ 260 27 19.8 118
Show 16090+3730 TDS9774 210 0.7 121
Show 16049+4045 COU1275 249 2.0 124
Show 16234+3844 LDS4664 302 75.1 129
Show 16042+4045 A 1641 250 2.0 130
Show 16226+3819 PKO 15 32 2.5 132
Show 16014+3910 NVL 1 90 13.9 133
Show 16229+3815 KU 53 49 5.3 136
Show 16011+3936 AG 200 217 3.1 136
Show 16009+3911 STT 304 AB 170 10.6 139
Show 16009+3911 WAL 70 AC 255 73.4 139
Show 16248+3925 HU 1276 278 0.4 140
Show 16245+4001 KPP3998 163 6.5 141
Show 16229+3803 COU1281 37 0.2 142
Show 16011+3836 TDS9730 93 0.6 145
Show 16163+4142 HJ 1291 111 20.5 146
Show 16009+4016 TDS9728 192 1.1 149
Show 16212+4118 FAR 46 188 0.2 152
Show 16251+3830 TDS9886 329 0.5 153
Show 16002+3831 CVR 809 98 11.2 157
Show 16192+4140 STT 309 317 0.3 157
Show 15597+3844 TDS9716 310 0.4 158
Show 16140+4200 COU1449 AB 135 0.5 159
Show 16140+4200 GII 230 Aa,Ab 125 0.2 159
Show 16263+3841 SKF2387 147 1.4 163
Show 16253+3808 NSN 678 182 1.7 164
Show 16090+3643 KPP3984 AB 51 3.7 165

 
 
WDS 16128+3922 : COMPONENTS
 
 
  A
B pa=152.9°
sep=0.46"
 
 
16128+3922 A
 
 
Componente originario normalizzato AB Name HD 146100 Coord arcsec 2000 161248.11+392135.6 Mag 9.88
Spectral class G0 (yellow) PmRA -256.00 PmDE 279.0
CCDM
Ccdm 16128+3922 RComp Comp A Note1
Note2 Discov num DRAs 0.11 DDEs -24.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.7 Sp G0 PmNote *
PmRA -263 PmDE 278 Dm number +39 2963 Cat1 BD
Name2 +39 1564 Cat2 AGK2/3 HD 146100 M HD
ADS BDS A 9970 M ADS BDS N IDS IDS 16094N3936A
HIC 79448
 
 
16128+3922 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 161248.13+392135.2 Mag 9.14 SAO 65149
HIP 79448 Tycho2 3061-01469-1 HD 146100 GC 21827
BD BD+39 2963 Calc delta mag 0.74 Calc coord yes
Tycho2
Tycho2 3061-01469-1 Pflag RAmdeg 243.20047950 DEmdeg 39.35990100
PmRA -260.0 PmDE 275.6 E RAmdeg 8 E DEmdeg 7
E pmRA 1.2 E pmDE 1.2 EpRAm 1990.91 EpDEm 1991.31
Num 11 Q RAmdeg 1.1 Q DEmdeg 0.6 Q pmRA 1.2
Q pmDE 0.6 BTmag 9.441 E BTmag 0.018 VTmag 8.647
E VTmag 0.013 Prox 999 TYC T HIP 79448
CCDM AS RAdeg 243.20125222 DEdeg 39.35927306 EpRA 1990 1.73
EpDE 1990 1.80 E RAdeg 7.7 E DEdeg 7.0 Posflg P
Corr 0.0
SAO
SAO 65149 DelFlag RA1950 PmRA1950 -0.0227
DE1950 PmDE1950 0.269 Vmag 8.2 SpType G0
Double code Source 70 CatNum 21827 DM BD+39 2963
DMcomp BDsup HD 146100 M HD 0
GC 21827 RA1950rad 4.23710419 DE1950rad 0.68909805 PmRA2000 -0.0224
PmDE2000 0.27
Hipparcos
Catalog H HIP 79448 Proxy H RAhms 16 12 48.31
DEdms +39 21 33.2 Vmag 8.57 VarFlag R Vmag G
RAdeg 243.201 DEdeg 39.3592 AstroRef * Plx 15.31
CCDM 16128+3922 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AS
Theta 325 Rho 0.162 HD 146100 BD BD+39 2963
CD CP Dm number +39 2963 VIred 0.76
SpType G0 R SpType Coord arcsec 2000 161248.31+392133.2
Hipparcos 2
HIP 79448 Sn 55 So 3 Nc 2
RArad 4.244663368 DErad 0.6869481538 Plx 14.88 PmRA -263.86
PmDE 278.13 E RArad 0.62 E DErad 0.66 E Plx 0.84
E pmRA 0.65 E pmDE 0.75 Hpmag 8.6959 E Hpmag 0.0017
SHp 0.019 VA 0 BV 0.709 E BV 0.005
VI 0.76
CCDM
Ccdm 16128+3922 RComp Comp B Note1
Note2 Discov num STF2028 DRAs DDEs
R dRAs Year 1959 Theta 162 Rho 0.3
Obs 23 Vmag 9.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 9970 M ADS BDS N N IDS IDS 16094N3936B
HIC 79448