stampa
Login

Create your personal custom set of columns with all data you need.
Register here!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
20286-0426
TOK 700
HD 194976


Nearby doubles
27' : 20275-0405
TDT2291

30' : 20305-0436
GWP2963

52' : 20266-0343
RST4666

60' : 20325-0413
A 735

62' : 20248-0400
GWP2945

65' : 20284-0321
RST4667

66' : 20246-0454
A 2598

67' : 20317-0337
GWP2964

67' : 20244-0408
HJ 915AB

68' : 20296-0531
CVR 225

69' : 20280-0318
J 1705

70' : 20312-0328
J 1395

72' : 20321-0515
A 170

78' : 20319-0327
A 734

78' : 20300-0311
RST4668

79' : 20345-0421
J 2315

80' : 20324-0330
HJ 919

81' : 20249-0327
UC 4171

82' : 20340-0438
TDT2379

87' : 20343-0445
BRT 502

90' : 20251-0539
TDT2254

92' : 20313-0304
TDT2336

92' : 20285-0254
TDT2314

97' : 20334-0321
HDS2936

98' : 20351-0436
RST4671

100' : 20293-0605
GWP2960



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.

20286-0426 TOK 700 (HD 194976)

 
 
20h 28m 37.11s -04° 25' 40.2" P.A. 235.00 sep 0.1 mag 8.20,9.00 Sp F8 dist. 65.45 pc (213.5 l.y.)
 
 
Coord 2000 20286-0426 Discov num TOK 700 Comp Coord arcsec 2000 20 28 37.11 -04 25 40.2
Date first 2015 Date last 2021 Obs 9
Pa first 222 Pa last 235.1 P.A. Now (θ) 221.1°
Sep first 0.1 Sep last 0.119 Sep. Now (ρ) 0.104"
Mag pri 8.20 Mag sec 9.00 delta mag (ΔM) 0.8 Spectral class F8 (yellow-white)
Pri motion ra -011 Sec motion ra
Pri motion dec +029 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 194976 Constellation Aquila SAO 144474 HIP 100998
Tycho2 5171-01579-1 Gaia DR2 4218592851809850880 HD 194976 GC 28479
BD BD-04 5147 Distance 65.45 Distance ly 213.5
 
 
ORBITAL ELEMENTS
 
 
Period (P)7.327y± 0.233 Periastron (T)2017.954y± 0.038 Semi-major axis (a)0.069a± 0.003
Eccentricity (e)0.817± 0.015 Inclination (i)152.4°± 6.6 Longitude of periastron (ω)47°± 12.2
Node (Ω)97.7°± 11.7 Notes ReferenceTok2021c
Equinox2000 Last observation2021 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 231.0 0.116
2001 221.3 0.104
2002 206.9 0.078
2003 161.0 0.031
2004 272.4 0.060
2005 253.0 0.097
2006 242.6 0.114
2007 233.8 0.118
2008 224.7 0.109
2009 212.6 0.088
2010 186.6 0.049
2011 288.9 0.039
2012 257.6 0.088
2013 245.6 0.110
2014 236.6 0.118
2015 227.9 0.113
2016 217.2 0.097
2017 198.7 0.065
2018 15.0 0.012
2019 263.4 0.076
2020 249.0 0.105
2021 239.5 0.117
2022 230.8 0.116
2023 221.1 0.104
2024 206.5 0.077
2025 158.5 0.029
2026 271.8 0.061
2027 252.8 0.098
2028 242.4 0.115
2029 233.7 0.118
2030 224.5 0.109


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


 
  


wds20286-0426a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 20286-0426 TOK 700 (HD 194976) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2021c orb - Tokovinin, A. 2021IAUDS.203....1S
Tok2021c Inf. Circ. 203, 1, 2021
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20286-0426 TOK 700 2015 2 220 0.1 8.20 9.00 F8 202837.11-042540.2
20286-0426 TOK 700 2017 5 185 0.0 8.20 9.00 F8 202837.11-042540.2
20286-0426 TOK 700 2018 6 106 0.0 8.20 9.00 F8 202837.11-042540.2
20286-0426 TOK 700 2019 7 74 0.1 8.20 9.00 F8 202837.11-042540.2
20286-0426 TOK 700 2020 8 61 0.1 8.20 9.00 F8 202837.11-042540.2
20286-0426 TOK 700 2021 9 235 0.1 8.20 9.00 F8 O 202837.11-042540.2

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

 
 
WDS 20286-0426 TOK 700 (HD 194976) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20286-0426 TOK 700 (HD 194976) : MEASURES
 
 
No records found.

 
 
WDS 20286-0426 (HD 194976) : VIRTUAL EYEPIECE
 
 

20286-0426 TOK 700A mag 8.2 Sp F8 20286-0426 TOK 700B sep 0.1 P.A. 235.00 mag 9 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 20286-0426 (HD 194976) : ALADIN DSS IMAGE @ 20h 28m 37.11s -04° 25' 40.2"
 
 
 
 
WDS 20286-0426 TOK 700 (HD 194976) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20286-0426 TOK 700 distance=1' 20275-0405 TDT2291 distance=27' 20305-0436 GWP2963 distance=30' 20266-0343 RST4666 distance=52' 20325-0413 A 735 distance=60' 20248-0400 GWP2945 distance=62' 20284-0321 RST4667 distance=65' 20246-0454 A 2598 distance=66' 20317-0337 GWP2964 distance=67' 20244-0408 HJ 915AB distance=67' 20244-0408 HJ 915AC distance=67' 20244-0408 ABH 140AD distance=67' 20244-0408 ABH 140AE distance=67' 20244-0408 ABH 140AF distance=67' 20244-0408 ABH 140AG distance=67' 20244-0408 ABH 140AH distance=67' 20296-0531 CVR 225 distance=68' 20280-0318 J 1705 distance=69' 20312-0328 J 1395 distance=70' 20321-0515 A 170 distance=72' 20319-0327 A 734 distance=78' 20300-0311 RST4668 distance=78' 20345-0421 J 2315 distance=79' 20324-0330 HJ 919 distance=80' 20249-0327 UC 4171 distance=81' 20340-0438 TDT2379 distance=82' 20343-0445 BRT 502 distance=87' 20251-0539 TDT2254 distance=90' 20313-0304 TDT2336 distance=92' 20285-0254 TDT2314 distance=92' 20334-0321 HDS2936 distance=97' 20351-0436 RST4671 distance=98' 20293-0605 GWP2960 distance=100' 20220-0435 NSN 148 distance=100' 20347-0341 TDT2389 distance=102' 20341-0530 TDT2382 distance=104' 20227-0319 UC 4161 distance=111' 20246-0602 UC 4169 distance=114' 20212-0353 BRT 498 distance=116' 20286-0622 J 1390 distance=116' 20243-0248 UC 4168 distance=117' 20302-0621 J 1394 distance=118' 20214-0407 J 1341 distance=118' 20293-0624 J 1392 distance=120' 20369-0416 LDS1475 distance=124' 20268-0225 BRT 500 distance=124' 20329-0236 BRT 501 distance=128' 20334-0613 HJ 1529 distance=130' 20318-0629 J 1397 distance=132' 20372-0523 J 2316 distance=132' 20201-0517 TDT2180 distance=138' 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 20286-0426 TOK 700 235 0.1 1
Show 20275-0405 TDT2291 87 0.5 27
Show 20305-0436 GWP2963 324 29.1 30
Show 20266-0343 RST4666 199 0.5 52
Show 20325-0413 A 735 271 4.5 60
Show 20248-0400 GWP2945 240 49.2 62
Show 20284-0321 RST4667 178 9.0 65
Show 20246-0454 A 2598 340 4.2 66
Show 20317-0337 GWP2964 162 24.1 67
Show 20244-0408 HJ 915 AB 335 45.4 67
Show 20244-0408 HJ 915 AC 36 25.1 67
Show 20244-0408 ABH 140 AD 69 14.4 67
Show 20244-0408 ABH 140 AE 102 40.3 67
Show 20244-0408 ABH 140 AF 311 98.1 67
Show 20244-0408 ABH 140 AG 272 94.0 67
Show 20244-0408 ABH 140 AH 241 115.5 67
Show 20296-0531 CVR 225 85 36.0 68
Show 20280-0318 J 1705 319 7.7 69
Show 20312-0328 J 1395 298 5.7 70
Show 20321-0515 A 170 218 1.7 72
Show 20319-0327 A 734 294 2.0 78
Show 20300-0311 RST4668 162 2.2 78
Show 20345-0421 J 2315 319 6.5 79
Show 20324-0330 HJ 919 219 24.6 80
Show 20249-0327 UC 4171 227 64.7 81
Show 20340-0438 TDT2379 180 3.9 82
Show 20343-0445 BRT 502 120 3.3 87
Show 20251-0539 TDT2254 106 1.0 90
Show 20313-0304 TDT2336 146 2.6 92
Show 20285-0254 TDT2314 238 0.7 92
Show 20334-0321 HDS2936 156 0.2 97
Show 20351-0436 RST4671 48 0.7 98
Show 20293-0605 GWP2960 285 262.4 100
Show 20220-0435 NSN 148 124 4.9 100
Show 20347-0341 TDT2389 184 0.6 102
Show 20341-0530 TDT2382 249 1.2 104
Show 20227-0319 UC 4161 1 30.0 111
Show 20246-0602 UC 4169 50 54.1 114
Show 20212-0353 BRT 498 184 3.2 116
Show 20286-0622 J 1390 348 8.1 116
Show 20243-0248 UC 4168 194 16.4 117
Show 20302-0621 J 1394 147 10.9 118
Show 20214-0407 J 1341 250 3.2 118
Show 20293-0624 J 1392 317 3.4 120
Show 20369-0416 LDS1475 259 21.2 124
Show 20268-0225 BRT 500 195 2.5 124
Show 20329-0236 BRT 501 135 4.4 128
Show 20334-0613 HJ 1529 110 37.0 130
Show 20318-0629 J 1397 347 3.7 132
Show 20372-0523 J 2316 54 12.7 132
Show 20201-0517 TDT2180 190 1.9 138

 
 
WDS 20286-0426 : COMPONENTS
 
 
  A
B pa=235.0°
sep=0.12"
 
 
20286-0426 A
 
 
Componente originario normalizzato AB Name HD 194976 Coord arcsec 2000 202837.11-042540.2 Mag 8.2
Spectral class F8 (yellow-white) PmRA -11.00 PmDE 29.0 SAO 144474
HIP 100998 Tycho2 5171-01579-1 HD 194976 GC 28479
BD BD-04 5147
Tycho2
Tycho2 5171-01579-1 Pflag RAmdeg 307.15463332 DEmdeg -4.42782417
PmRA -9.1 PmDE 28.7 E RAmdeg 5 E DEmdeg 7
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.14 EpDEm 1990.33
Num 11 Q RAmdeg 0.8 Q DEmdeg 0.9 Q pmRA 0.7
Q pmDE 0.8 BTmag 8.428 E BTmag 0.017 VTmag 7.800
E VTmag 0.012 Prox 999 TYC T HIP 100998
CCDM RAdeg 307.15465472 DEdeg -4.42789361 EpRA 1990 1.68
EpDE 1990 1.32 E RAdeg 5.2 E DEdeg 6.5 Posflg
Corr -0.1
SAO
SAO 144474 DelFlag RA1950 PmRA1950 0.0003
DE1950 PmDE1950 0.043 Vmag 7.8 SpType F8
Double code Source 70 CatNum 28479 DM BD-04 5147
DMcomp BDsup HD 194976 M HD 0
GC 28479 RA1950rad 5.3493737 DE1950rad -0.0801961 PmRA2000 0.0005
PmDE2000 0.041
Hipparcos
Catalog H HIP 100998 Proxy RAhms 20 28 37.12
DEdms -04 25 40.4 Vmag 7.75 VarFlag R Vmag H
RAdeg 307.155 DEdeg -4.42789 AstroRef Plx 16.36
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 194976 BD BD-04 5147
CD CP Dm number -04 5147 VIred 0.64
SpType F8 R SpType Coord arcsec 2000 202837.12-042540.4
Hipparcos 2
HIP 100998 Sn 5 So 0 Nc 1
RArad 5.3608600529 DErad -0.0772813211 Plx 15.28 PmRA -10.7
PmDE 28.88 E RArad 0.63 E DErad 0.49 E Plx 0.71
E pmRA 0.99 E pmDE 0.74 Hpmag 7.8764 E Hpmag 0.0019
SHp 0.012 VA 0 BV 0.587 E BV 0.014
VI 0.66
 
 
20286-0426 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202837.10-042540.3 Mag 9 Calc delta mag 0.8
Calc coord yes