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Doubles in session


Current system
21410+2920
STT 448
HD 206373


Nearby doubles
13' : 21416+2911
GRV 493

14' : 21420+2924
MLB 539

18' : 21401+2928
BRT 57

23' : 21418+2901
MLB 492

34' : 21420+2951
MLB 720

36' : 21412+2955
GRV 491

40' : 21430+2951
KPP 498

47' : 21442+2942
MLB 493

47' : 21384+2953
MLB 491

53' : 21383+2958
HJ 1670

53' : 21395+3009
A 772

55' : 21441+2845
STF2822AB

55' : 21452+2914
UC 4550

60' : 21429+3014
TDT3119

61' : 21390+2826
ES 520

62' : 21363+2917
BRT 56

65' : 21455+2948
DAM 237

67' : 21458+2945
DAM 236

70' : 21356+2918
GRV 481

71' : 21457+2957
TDT3145

71' : 21458+2954
TDT3146

72' : 21461+2855
BRT 58

72' : 21444+2824
KPP3373

76' : 21362+3003
BU 167

79' : 21469+2907
CVR 919

80' : 21470+2930
GRV 503



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.

21410+2920 STT 448 (HD 206373)

 
 
21h 41m 00.68s +29° 20' 25.5" P.A. 31.00 sep 0.1 mag 8.93,9.17 Sp G0V dist. 103.95 pc (339.08 l.y.)
 
 
Coord 2000 21410+2920 Discov num STT 448 Comp Coord arcsec 2000 21 41 00.68 +29 20 25.5
Date first 1843 Date last 2014 Obs 91
Pa first 245 Pa last 31.2 P.A. Now (θ) 10.5°
Sep first 0.6 Sep last 0.1 Sep. Now (ρ) 0.164"
Mag pri 8.93 Mag sec 9.17 delta mag (ΔM) 0.24 Spectral class G0V (yellow)
Pri motion ra +073 Sec motion ra +073
Pri motion dec -014 Sec motion dec -014
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 206373 Constellation Cygnus SAO 89904 HIP 107060
Tycho2 2201-01184-1 Gaia DR2 1849340525986765312 HD 206373 ADS 15215
BD BD+28 4162 Distance 103.95 Distance ly 339.08
 
 
ORBITAL ELEMENTS
 
 
Period (P)244.2y Periastron (T)2017.12y Semi-major axis (a)0.482a
Eccentricity (e)0.699 Inclination (i)133° Longitude of periastron (ω)336.7°
Node (Ω)36.3° Notes ReferenceAlz2020c
Equinox2000 Last observation2008 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 178.2 0.261
2001 175.6 0.247
2002 172.7 0.233
2003 169.4 0.219
2004 165.6 0.204
2005 161.4 0.191
2006 156.4 0.177
2007 150.6 0.164
2008 143.9 0.152
2009 136.1 0.141
2010 127.2 0.132
2011 117.1 0.126
2012 106.2 0.122
2013 94.9 0.121
2014 83.6 0.123
2015 72.8 0.127
2016 62.9 0.132
2017 53.7 0.138
2018 45.3 0.144
2019 37.6 0.149
2020 30.3 0.154
2021 23.4 0.158
2022 16.8 0.161
2023 10.5 0.164
2024 4.4 0.167
2025 358.4 0.169
2026 352.7 0.172
2027 347.2 0.176
2028 341.9 0.180
2029 336.9 0.184
2030 332.1 0.189


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


 
  


wds21410%2B2920b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 21410+2920 STT 448 (HD 206373) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Alz2020c orb - Alzner, A. 2020IAUDS.201....1A
Alz2020c Inf. Circ. 201, 1, 2020
 
 
DISCOVERER
 
 
idgroup discov author
1 STT Struve, O.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21410+2920 STT 448 2001 82 183 0.3 8.93 9.17 G0V OD 214100.68+292025.5
21410+2920 STT 448 2007 84 146 0.2 8.93 9.17 G0V OD 214100.68+292025.5
21410+2920 STT 448 2008 89 141 0.1 8.93 9.17 G0V OD 214100.68+292025.5
21410+2920 STT 448 2014 91 31 0.1 8.93 9.17 G0V O 214100.68+292025.5

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

 
 
WDS 21410+2920 STT 448 (HD 206373) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21410+2920 STT 448 (HD 206373) : MEASURES
 
 
No records found.

 
 
WDS 21410+2920 (HD 206373) : VIRTUAL EYEPIECE
 
 

21410+2920 STT 448A mag 8.93 Sp G0V 21410+2920 STT 448B sep 0.1 P.A. 27.80 mag 9.17 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 21410+2920 (HD 206373) : ALADIN DSS IMAGE @ 21h 41m 00.68s +29° 20' 25.5"
 
 
 
 
WDS 21410+2920 STT 448 (HD 206373) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21410+2920 STT 448 distance=0' 21416+2911 GRV 493 distance=13' 21420+2924 MLB 539 distance=14' 21401+2928 BRT 57 distance=18' 21418+2901 MLB 492 distance=23' 21420+2951 MLB 720 distance=34' 21412+2955 GRV 491 distance=36' 21430+2951 KPP 498 distance=40' 21442+2942 MLB 493 distance=47' 21384+2953 MLB 491 distance=47' 21422+3008 MLB 575BC distance=51' 21422+3008 MLB 575AC distance=51' 21383+2958 HJ 1670 distance=53' 21395+3009 A 772 distance=53' 21441+2845 STF2822BD distance=55' 21441+2845 STF2822AB distance=55' 21441+2845 STF2822AC distance=55' 21441+2845 STF2822AD distance=55' 21441+2845 FYM 25AF distance=55' 21441+2845 FYM 25AG distance=55' 21441+2845 ES 521DE distance=55' 21441+2845 FYM 25DG distance=55' 21452+2914 UC 4550 distance=55' 21429+3014 TDT3119 distance=60' 21390+2826 ES 520 distance=61' 21363+2917 BRT 56 distance=62' 21455+2948 DAM 237 distance=65' 21458+2945 DAM 236 distance=67' 21356+2918 GRV 481 distance=70' 21457+2957 TDT3145 distance=71' 21458+2954 TDT3146 distance=71' 21461+2855 BRT 58 distance=72' 21444+2824 KPP3373 distance=72' 21362+3003 BU 167 distance=76' 21469+2907 CVR 919 distance=79' 21470+2930 GRV 503 distance=80' 21364+3015 MLB 719 distance=82' 21423+2800 GRV 494 distance=82' 21454+2819 J 3145 distance=83' 21473+2932 STJ 58 distance=84' 21451+3026 TDT3136 distance=85' 21412+3043 J 3143 distance=85' 21346+2856 J 2352 distance=86' 21474+2855 AG 420 distance=88' 21355+3012 UC 4502 distance=89' 21384+3044 LDS4900 distance=90' 21462+2817 MLB 540AB distance=91' 21462+2817 MLB 540AC distance=91' 21462+2817 ABH 152AD distance=91' 21462+2817 ABH 152AE distance=91' 21353+3020 MLB 718 distance=96' 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 21410+2920 STT 448 31 0.1
Show 21416+2911 GRV 493 184 44.7 13
Show 21420+2924 MLB 539 171 4.8 14
Show 21401+2928 BRT 57 137 5.0 18
Show 21418+2901 MLB 492 114 7.0 23
Show 21420+2951 MLB 720 140 7.2 34
Show 21412+2955 GRV 491 21 31.4 36
Show 21430+2951 KPP 498 58 3.9 40
Show 21442+2942 MLB 493 330 8.6 47
Show 21384+2953 MLB 491 34 4.8 47
Show 21422+3008 MLB 575 BC 108 2.7 51
Show 21422+3008 MLB 575 AC 133 17.4 51
Show 21383+2958 HJ 1670 78 11.7 53
Show 21395+3009 A 772 112 0.1 53
Show 21441+2845 STF2822 BD 45 196.7 55
Show 21441+2845 STF2822 AB 325 1.6 55
Show 21441+2845 STF2822 AC 292 76.6 55
Show 21441+2845 STF2822 AD 43 197.0 55
Show 21441+2845 FYM 25 AF 72 111.5 55
Show 21441+2845 FYM 25 AG 73 168.1 55
Show 21441+2845 ES 521 DE 286 17.5 55
Show 21441+2845 FYM 25 DG 164 89.6 55
Show 21452+2914 UC 4550 15 42.5 55
Show 21429+3014 TDT3119 157 2.7 60
Show 21390+2826 ES 520 36 9.3 61
Show 21363+2917 BRT 56 306 3.2 62
Show 21455+2948 DAM 237 233 6.3 65
Show 21458+2945 DAM 236 143 5.9 67
Show 21356+2918 GRV 481 184 64.0 70
Show 21457+2957 TDT3145 250 2.2 71
Show 21458+2954 TDT3146 359 2.5 71
Show 21461+2855 BRT 58 165 4.4 72
Show 21444+2824 KPP3373 242 2.1 72
Show 21362+3003 BU 167 89 1.7 76
Show 21469+2907 CVR 919 201 23.5 79
Show 21470+2930 GRV 503 331 20.4 80
Show 21364+3015 MLB 719 136 6.0 82
Show 21423+2800 GRV 494 323 62.9 82
Show 21454+2819 J 3145 112 5.4 83
Show 21473+2932 STJ 58 193 1.8 84
Show 21451+3026 TDT3136 0.8 85
Show 21412+3043 J 3143 262 6.6 85
Show 21346+2856 J 2352 247 6.4 86
Show 21474+2855 AG 420 145 7.5 88
Show 21355+3012 UC 4502 264 46.1 89
Show 21384+3044 LDS4900 213 17.4 90
Show 21462+2817 MLB 540 AB 256 4.1 91
Show 21462+2817 MLB 540 AC 322 8.7 91
Show 21462+2817 ABH 152 AD 68 41.8 91
Show 21462+2817 ABH 152 AE 96 80.1 91
Show 21353+3020 MLB 718 307 8.1 96

 
 
WDS 21410+2920 : COMPONENTS
 
 
  A
B pa=27.8°
sep=0.10"
 
 
21410+2920 A
 
 
Componente originario normalizzato AB Name HD 206373 Coord arcsec 2000 214100.68+292025.5 Mag 8.93
Spectral class G0V (yellow) PmRA 73.00 PmDE -14.0 SAO 89904
HIP 107060 Tycho2 2201-01184-1 HD 206373 ADS 15215
BD BD+28 4162
Tycho2
Tycho2 2201-01184-1 Pflag RAmdeg 325.25281727 DEmdeg 29.34037290
PmRA 73.4 PmDE -13.5 E RAmdeg 6 E DEmdeg 7
E pmRA 1.3 E pmDE 1.2 EpRAm 1991.44 EpDEm 1991.19
Num 10 Q RAmdeg 1.5 Q DEmdeg 1.0 Q pmRA 1.5
Q pmDE 1.0 BTmag 9.020 E BTmag 0.017 VTmag 8.357
E VTmag 0.012 Prox 999 TYC T HIP 107060
CCDM AB RAdeg 325.25262806 DEdeg 29.34040278 EpRA 1990 1.93
EpDE 1990 1.93 E RAdeg 5.9 E DEdeg 7.2 Posflg P
Corr 0.1
SAO
SAO 89904 DelFlag RA1950 PmRA1950 0.0047
DE1950 PmDE1950 -0.006 Vmag 8 SpType G0
Double code Source 34 CatNum 12787 DM BD+28 4162
DMcomp BDsup HD 206373 M HD 0
GC RA1950rad 5.66708614 DE1950rad 0.50811134 PmRA2000 0.0048
PmDE2000 -0.01
Hipparcos
Catalog H HIP 107060 Proxy H RAhms 21 41 00.63
DEdms +29 20 25.6 Vmag 8.3 VarFlag R Vmag G
RAdeg 325.253 DEdeg 29.3404 AstroRef A Plx 8.91
CCDM 21410+2920 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 193 Rho 0.379 HD 206373 BD BD+28 4162
CD CP Dm number +28 4162 VIred 0.63
SpType G0V R SpType Coord arcsec 2000 214100.63+292025.6
Hipparcos 2
HIP 107060 Sn 15 So 3 Nc 2
RArad 5.6767291687 DErad 0.5120872587 Plx 9.62 PmRA 69.91
PmDE -17.15 E RArad 0.79 E DErad 0.97 E Plx 1.09
E pmRA 0.86 E pmDE 1.07 Hpmag 8.3958 E Hpmag 0.0019
SHp 0.016 VA 0 BV 0.56 E BV 0.015
VI 0.63
CCDM
Ccdm 21410+2920 RComp Comp A Note1
Note2 Discov num DRAs 0.73 DDEs 24.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.4 Sp G0 PmNote *
PmRA 92 PmDE -20 Dm number +28 4162 Cat1 BD
Name2 +29 2635 Cat2 AGK2/3 HD 206373 M HD
ADS BDS A15215 M ADS BDS N IDS IDS 21366N2853A
HIC 107060
 
 
21410+2920 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 214100.68+292025.6 Mag 9.17 PmRA 73.00
PmDE -14.0 Calc delta mag 0.24 Calc coord yes
CCDM
Ccdm 21410+2920 RComp Comp B Note1
Note2 Discov num STT 448 DRAs DDEs
R dRAs Year 1959 Theta 213 Rho 0.7
Obs 99 Vmag 9.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15215 M ADS BDS N IDS IDS 21366N2853B
HIC 107060