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Doubles in session


Current system
20182+2912
A 1205
HD 334100


Nearby doubles
4' : 20180+2913
POP 200

10' : 20175+2909
BU 441AB

12' : 20191+2915
COU1477

13' : 20177+2922
TDT2145

19' : 20173+2926
TDT2142

25' : 20188+2849
J 3073

29' : 20167+2932
OSO 121AB

34' : 20179+2945
TDT2149

35' : 20160+2929
MLB 478AB

38' : 20156+2927
TDS1053

41' : 20186+2833
HJ 1501AB

48' : 20196+2956
A 1207

55' : 20149+2840
HO 122AB

58' : 20140+2859
TDS1052

62' : 20227+2930
TDT2218

63' : 20134+2910
TDT2100

64' : 20223+2946
TDT2213

65' : 20139+2942
TOB 180

66' : 20138+2945
TOB 179

67' : 20152+3006
TDT2121

69' : 20227+2837
COU1169AB

70' : 20134+2941
MLB 661

70' : 20166+2806
MLB 608

72' : 20223+2826
TDT2214

73' : 20207+2808
TDT2195

76' : 20124+2856
MLB 531



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.

20182+2912 A 1205 (HD 334100)

 
 
20h 18m 13.44s +29° 12' 15.0" P.A. 96.00 sep 1.2 mag 9.17,10.08 Sp M0 dist. 34.72 pc (113.26 l.y.)
 
 
Coord 2000 20182+2912 Discov num A  1205 Comp Coord arcsec 2000 20 18 13.44 +29 12 15.0
Date first 1905 Date last 2018 Obs 66
Pa first 346 Pa last 96 P.A. Now (θ) 96°
Sep first 0.3 Sep last 1.232 Sep. Now (ρ) 1.232"
Mag pri 9.17 Mag sec 10.08 delta mag (ΔM) 0.91 Spectral class M0 (red)
Pri motion ra -006 Sec motion ra -006
Pri motion dec -087 Sec motion dec -087
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 334100 Constellation Vulpecula SAO 88492 HIP 100079
Tycho2 2167-01052-1 Gaia DR2 1837182676179555712 HD 334100 ADS 13665
BD BD+28 3698 Distance 34.72 Distance ly 113.26
 
 
ORBITAL ELEMENTS
 
 
Period (P)493.2y Periastron (T)1970.78y Semi-major axis (a)1.942a
Eccentricity (e)0.913 Inclination (i)98.1° Longitude of periastron (ω)74°
Node (Ω)285.72° Notes ReferenceWSI2006b
Equinox2000 Last observation2005 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 98.8 1.038
2001 98.7 1.052
2002 98.6 1.066
2003 98.4 1.079
2004 98.3 1.091
2005 98.2 1.104
2006 98.0 1.115
2007 97.9 1.127
2008 97.8 1.138
2009 97.7 1.149
2010 97.5 1.160
2011 97.4 1.170
2012 97.3 1.180
2013 97.2 1.189
2014 97.1 1.199
2015 97.0 1.208
2016 96.9 1.217
2017 96.8 1.225
2018 96.7 1.234
2019 96.6 1.242
2020 96.5 1.250
2021 96.4 1.257
2022 96.3 1.265
2023 96.2 1.272
2024 96.1 1.279
2025 96.0 1.286
2026 95.9 1.293
2027 95.8 1.299
2028 95.7 1.305
2029 95.6 1.312
2030 95.5 1.317


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


 
  


wds20182%2B2912b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 20182+2912 A 1205 (HD 334100) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
WSI2006b Su j Mason, B.D., Hartkopf, W.I., Wycoff, G.L., & Holdenried, E.R. 2006AJ....132.2219M
WSI2006b +orb AJ 132, 2219, 2006
 
 
DISCOVERER
 
 
idgroup discov author
1 A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20182+2912 A 1205 2007 55 98 1.1 9.17 10.08 M0 NOD 201813.44+291215.0
20182+2912 A 1205 2009 56 98 1.1 9.17 10.08 M0 NOD 201813.44+291215.0
20182+2912 A 1205 2010 57 97 1.2 9.17 10.08 M0 NOD 201813.44+291215.0
20182+2912 A 1205 2016 60 96 1.2 9.17 10.08 M0 O 201813.44+291215.0
20182+2912 A 1205 2017 62 97 1.2 9.17 10.08 M0 O 201813.44+291215.0
20182+2912 A 1205 2018 63 96 1.2 9.17 10.08 M0 O 201813.44+291215.0

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

 
 
WDS 20182+2912 A 1205 (HD 334100) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20182+2912 A 1205 (HD 334100) : MEASURES
 
 
No records found.

 
 
WDS 20182+2912 (HD 334100) : VIRTUAL EYEPIECE
 
 

20182+2912 A 1205A mag 9.17 Sp M0 20182+2912 A 1205B sep 1.1 P.A. 96.90 mag 10.08 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 20182+2912 (HD 334100) : ALADIN DSS IMAGE @ 20h 18m 13.44s +29° 12' 15.0"
 
 
 
 
WDS 20182+2912 A 1205 (HD 334100) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20182+2912 A 1205 distance=0' 20180+2913 POP 200 distance=4' 20175+2909 POP1229Aa,Ab distance=10' 20175+2909 BU 441AB distance=10' 20191+2915 COU1477 distance=12' 20177+2922 TDT2145 distance=13' 20173+2926 TDT2142 distance=19' 20188+2849 J 3073 distance=25' 20167+2932 OSO 121AB distance=29' 20167+2932 OSO 121AC distance=29' 20167+2932 OSO 121AD distance=29' 20167+2932 OSO 121AE distance=29' 20179+2945 TDT2149 distance=34' 20160+2929 MLB 478AB distance=35' 20160+2929 MLB 478AC distance=35' 20156+2927 TDS1053 distance=38' 20186+2833 HJ 1501CD distance=40' 20186+2833 HJ 1501AB distance=41' 20186+2833 HJ 1501AC distance=41' 20196+2956 A 1207 distance=48' 20149+2840 HO 122AB distance=55' 20149+2840 HO 122AC distance=55' 20140+2859 TDS1052 distance=58' 20227+2930 TDT2218 distance=62' 20134+2910 TDT2100 distance=63' 20223+2946 TDT2213 distance=64' 20139+2942 TOB 180 distance=65' 20138+2945 TOB 179 distance=66' 20152+3006 TDT2121 distance=67' 20227+2837 COU1169AB distance=69' 20227+2837 COU1169AC distance=69' 20129+2913 A 1203BC distance=70' 20134+2941 MLB 661 distance=70' 20129+2913 HJ 1492A,BC distance=70' 20166+2806 MLB 608 distance=70' 20223+2826 TDT2214 distance=72' 20207+2808 TDT2195 distance=73' 20124+2856 MLB 531 distance=76' 20225+3004 TDT2216 distance=76' 20124+2908 A 1201 distance=77' 20124+2923 AG 401 distance=78' 20242+2900 BU 443AB distance=79' 20242+2900 BU 443AC distance=79' 20242+2900 BU 443AD distance=79' 20240+2935 TDT2237 distance=79' 20176+2754 HO 591 distance=79' 20145+2808 BRT 47AB distance=80' 20145+2808 BRT 47AC distance=80' 20219+3017 TDT2209 distance=81' 20244+2923 HO 457AB distance=81' 20244+2923 HO 457AC distance=81' 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 20182+2912 A 1205 96 1.2
Show 20180+2913 POP 200 205 6.4 4
Show 20175+2909 POP1229 Aa,Ab 217 0.4 10
Show 20175+2909 BU 441 AB 64 6.2 10
Show 20191+2915 COU1477 102 0.6 12
Show 20177+2922 TDT2145 186 0.7 13
Show 20173+2926 TDT2142 316 1.0 19
Show 20188+2849 J 3073 16 4.5 25
Show 20167+2932 OSO 121 AB 165 13.2 29
Show 20167+2932 OSO 121 AC 283 15.2 29
Show 20167+2932 OSO 121 AD 190 18.9 29
Show 20167+2932 OSO 121 AE 259 25.2 29
Show 20179+2945 TDT2149 316 0.8 34
Show 20160+2929 MLB 478 AB 13 6.3 35
Show 20160+2929 MLB 478 AC 76 153.6 35
Show 20156+2927 TDS1053 302 1.0 38
Show 20186+2833 HJ 1501 CD 12 20.2 40
Show 20186+2833 HJ 1501 AB 355 12.9 41
Show 20186+2833 HJ 1501 AC 349 57.3 41
Show 20196+2956 A 1207 351 0.6 48
Show 20149+2840 HO 122 AB 72 1.4 55
Show 20149+2840 HO 122 AC 152 19.9 55
Show 20140+2859 TDS1052 164 1.6 58
Show 20227+2930 TDT2218 292 0.4 62
Show 20134+2910 TDT2100 98 0.7 63
Show 20223+2946 TDT2213 229 1.0 64
Show 20139+2942 TOB 180 299 23.4 65
Show 20138+2945 TOB 179 91 23.6 66
Show 20152+3006 TDT2121 11 2.0 67
Show 20227+2837 COU1169 AB 59 0.3 69
Show 20227+2837 COU1169 AC 175 1.7 69
Show 20129+2913 A 1203 BC 176 0.4 70
Show 20134+2941 MLB 661 167 3.9 70
Show 20129+2913 HJ 1492 A,BC 54 18.7 70
Show 20166+2806 MLB 608 227 9.3 70
Show 20223+2826 TDT2214 8 1.0 72
Show 20207+2808 TDT2195 346 0.4 73
Show 20124+2856 MLB 531 195 1.7 76
Show 20225+3004 TDT2216 133 0.5 76
Show 20124+2908 A 1201 158 0.3 77
Show 20124+2923 AG 401 306 4.0 78
Show 20242+2900 BU 443 AB 151 16.7 79
Show 20242+2900 BU 443 AC 97 33.6 79
Show 20242+2900 BU 443 AD 139 31.6 79
Show 20240+2935 TDT2237 155 0.8 79
Show 20176+2754 HO 591 293 2.7 79
Show 20145+2808 BRT 47 AB 232 4.8 80
Show 20145+2808 BRT 47 AC 215 40.4 80
Show 20219+3017 TDT2209 51 1.7 81
Show 20244+2923 HO 457 AB 61 2.0 81
Show 20244+2923 HO 457 AC 268 28.0 81

 
 
WDS 20182+2912 : COMPONENTS
 
 
  A
B pa=96.9°
sep=1.08"
 
 
20182+2912 A
 
 
Componente originario normalizzato AB Name HD 334100 Coord arcsec 2000 201813.44+291215.0 Mag 9.17
Spectral class M0 (red) PmRA -6.00 PmDE -87.0 SAO 88492
HIP 100079 Tycho2 2167-01052-1 HD 334100 BD BD+28 3698
Tycho2
Tycho2 2167-01052-1 Pflag P RAmdeg 304.55599434 DEmdeg 29.20415992
PmRA -5.5 PmDE -86.6 E RAmdeg 11 E DEmdeg 8
E pmRA 1.6 E pmDE 1.5 EpRAm 1990.81 EpDEm 1991.29
Num 6 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 1.0
Q pmDE 0.8 BTmag 10.243 E BTmag 0.023 VTmag 9.166
E VTmag 0.014 Prox 9 TYC T HIP 100079
CCDM A RAdeg 304.55596389 DEdeg 29.20436750 EpRA 1990 1.50
EpDE 1990 1.73 E RAdeg 10.5 E DEdeg 8.3 Posflg D
Corr 0.2
SAO
SAO 88492 DelFlag RA1950 PmRA1950 0.0013
DE1950 PmDE1950 -0.092 Vmag 8.7 SpType G5
Double code Source 34 CatNum 11115 DM BD+28 3698
DMcomp BDsup HD 334100 M HD 0
GC RA1950rad 5.30656117 DE1950rad 0.50699125 PmRA2000 0.0015
PmDE2000 -0.095
Hipparcos
Catalog H HIP 100079 Proxy H RAhms 20 18 13.43
DEdms +29 12 15.7 Vmag 8.66 VarFlag R Vmag H
RAdeg 304.556 DEdeg 29.2044 AstroRef A Plx 28.04
CCDM 20182+2912 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 100 Rho 0.94 HD 334100 BD BD+28 3698
CD CP Dm number +28 3698 VIred 0.96
SpType M0 R SpType Coord arcsec 2000 201813.43+291215.7
Hipparcos 2
HIP 100079 Sn 15 So 3 Nc 2
RArad 5.3155043492 DErad 0.5097124176 Plx 28.8 PmRA -9.33
PmDE -84.83 E RArad 0.74 E DErad 1.08 E Plx 1.65
E pmRA 0.96 E pmDE 1.43 Hpmag 8.8263 E Hpmag 0.0016
SHp 0.022 VA 0 BV 1.008 E BV 0.018
VI 0.98
CCDM
Ccdm 20182+2912 RComp Comp A Note1
Note2 Discov num DRAs 1.47 DDEs 14.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.2 Sp G5 PmNote *
PmRA -1 PmDE -91 Dm number +28 3698 Cat1 BD
Name2 +29 2296 Cat2 AGK2/3 HD M HD
ADS BDS A13665 M ADS BDS N IDS IDS 20141N2854A
HIC 100079
 
 
20182+2912 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201813.52+291214.9 Mag 10.08 PmRA -6.00
PmDE -87.0 Tycho2 2167-01052-2 Calc delta mag 0.91 Calc coord yes
Tycho2
Tycho2 2167-01052-2 Pflag P RAmdeg 304.55599434 DEmdeg 29.20415992
PmRA -5.5 PmDE -86.6 E RAmdeg 11 E DEmdeg 8
E pmRA 1.6 E pmDE 1.5 EpRAm 1990.81 EpDEm 1991.29
Num 6 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 1.0
Q pmDE 0.8 BTmag 11.505 E BTmag 0.053 VTmag 10.083
E VTmag 0.025 Prox 9 TYC T HIP 100079
CCDM B RAdeg 304.55625361 DEdeg 29.20431222 EpRA 1990 1.51
EpDE 1990 1.74 E RAdeg 23.6 E DEdeg 18.0 Posflg D
Corr 0.2
CCDM
Ccdm 20182+2912 RComp Comp B Note1 *
Note2 Discov num A 1205 DRAs DDEs
R dRAs Year 1958 Theta 299 Rho 0.4
Obs 15 Vmag 10.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13665 M ADS BDS N IDS IDS 20141N2854B
HIC 100079