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Doubles in session


Current system
22357+5413
MLR 3
HD 214221


Nearby doubles
10' : 22356+5423
RAO 485

13' : 22372+5414
HJ 3127

16' : 22373+5420
MLR 614

16' : 22342+5405
A 1468

19' : 22348+5430
STI2827

28' : 22355+5346
TDT3608

36' : 22329+5348
ABT 16AB

38' : 22383+5442
STI2836

39' : 22333+5446
ES 689

41' : 22364+5453
STI2831

44' : 22328+5450
STI2813

45' : 22397+5441
A 1473

45' : 22322+5340
BU 1513

47' : 22306+5429
ES 1023

48' : 22308+5435
STI2804

49' : 22352+5502
HJ 1789AB

49' : 22396+5340
NSN 757

49' : 22369+5501
CRB 214

50' : 22300+5405
ES 1022

53' : 22416+5423
HDS3220

56' : 22373+5321
SMA 175

57' : 22401+5333
ES 1026AB

58' : 22318+5327
TDT3570

58' : 22364+5316
TDT3615

60' : 22424+5414
ES 1028AB

60' : 22365+5512
STI2833



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.

22357+5413 MLR 3 (HD 214221)

 
 
22h 35m 39.40s +54° 13' 24.1" P.A. 178.00 sep 0.3 mag 8.50,9.10 Sp G5IV
 
 
Coord 2000 22357+5413 Discov num MLR   3 Comp Coord arcsec 2000 22 35 39.40 +54 13 24.1
Date first 1953 Date last 2015 Obs 19
Pa first 168 Pa last 178 P.A. Now (θ) 175.3°
Sep first 0.4 Sep last 0.349 Sep. Now (ρ) 0.315"
Mag pri 8.50 Mag sec 9.10 delta mag (ΔM) 0.6 Spectral class G5IV (yellow)
Pri motion ra +009 Sec motion ra
Pri motion dec +060 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 214221 Constellation Lacerta SAO 34599 Tycho2 3983-01138-1
HD 214221
 
 
ORBITAL ELEMENTS
 
 
Period (P)97.78y± 1.25 Periastron (T)1990.03y± 0.2 Semi-major axis (a)0.242a± 0.007
Eccentricity (e)0.94± 0.01 Inclination (i)112.1°± 0.5 Longitude of periastron (ω)148.5°± 6
Node (Ω)159.6°± 2.5 Notes ReferenceDoc2025a
Equinox Last observation2023 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 184.7 0.169
2001 183.8 0.182
2002 183.0 0.194
2003 182.3 0.206
2004 181.7 0.217
2005 181.2 0.228
2006 180.7 0.238
2007 180.2 0.248
2008 179.8 0.258
2009 179.4 0.267
2010 179.0 0.276
2011 178.6 0.284
2012 178.3 0.292
2013 178.0 0.300
2014 177.7 0.308
2015 177.4 0.315
2016 177.1 0.322
2017 176.9 0.328
2018 176.6 0.335
2019 176.4 0.341
2020 176.1 0.347
2021 175.9 0.352
2022 175.7 0.358
2023 175.5 0.363
2024 175.3 0.367
2025 175.1 0.372
2026 174.9 0.376
2027 174.7 0.380
2028 174.5 0.384
2029 174.3 0.388
2030 174.1 0.391
2031 173.9 0.394
2032 173.8 0.397
2033 173.6 0.400
2034 173.4 0.402
2035 173.2 0.404
2036 173.1 0.406
2037 172.9 0.408
2038 172.7 0.410
2039 172.6 0.411
2040 172.4 0.412
2041 172.2 0.413
2042 172.1 0.413
2043 171.9 0.414
2044 171.8 0.414
2045 171.6 0.414
2046 171.4 0.413
2047 171.3 0.413
2048 171.1 0.412
2049 170.9 0.411
2050 170.8 0.410


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds22357%2B5413b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic