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Doubles in session


Current system
22075+2538
A 308
HD 210103


Nearby doubles
19' : 22084+2525
POU5644

19' : 22066+2524
POU5637

19' : 22077+2521
POU5641

19' : 22070+2521
STT 596AB

24' : 22091+2545
UC 4664

25' : 22071+2514
UC 4654

29' : 22090+2518
POU5647

30' : 22055+2524
FMR 168AB

37' : 22092+2510
POU5648

40' : 22087+2502
POU5645

40' : 22048+2523
POU5630

41' : 22049+2516
LDS1489

43' : 22100+2515
POU5652

44' : 22077+2622
COU 537

45' : 22079+2454
POU5642

51' : 22075+2447
TDS1157

52' : 22093+2453
POU5649

57' : 22041+2612
UC 4639

57' : 22044+2500
POU5629

58' : 22114+2600
UC 4671

60' : 22051+2628
TLB 32

60' : 22034+2516
POU5623

60' : 22056+2444
POU5633

62' : 22120+2546
MLB 723

63' : 22055+2441
POU5632

65' : 22069+2434
TDT3349



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.

22075+2538 A 308 (HD 210103)

 
 
22h 07m 29.16s +25° 38' 11.4" P.A. 317.00 sep 0.2 mag 8.83,9.38 Sp A2 dist. 246.31 pc (803.46 l.y.)
 
 
Coord 2000 22075+2538 Discov num A   308 Comp Coord arcsec 2000 22 07 29.16 +25 38 11.4
Date first 1901 Date last 2015 Obs 43
Pa first 118 Pa last 317.2 P.A. Now (θ) 328.4°
Sep first 0.2 Sep last 0.189 Sep. Now (ρ) 0.135"
Mag pri 8.83 Mag sec 9.38 delta mag (ΔM) 0.55 Spectral class A2 (white)
Pri motion ra +020 Sec motion ra
Pri motion dec -002 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 210103 Constellation Pegasus SAO 90246 HIP 109211
Tycho2 2208-01871-1 Gaia DR2 1891643857908112256 HD 210103 ADS 15650
BD BD+24 4536 Distance 246.31 Distance ly 803.46
 
 
ORBITAL ELEMENTS
 
 
Period (P)174.38y± 8.71 Periastron (T)2015.31y± 20.58 Semi-major axis (a)0.2a± 0.004
Eccentricity (e)0.059± 0.024 Inclination (i)68.4°± 2 Longitude of periastron (ω)26.1°± 47.7
Node (Ω)305.7°± 1.5 Notesn ReferenceHrt2009
Equinox Last observation2006 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 302.3 0.188
2001 303.1 0.189
2002 304.0 0.189
2003 304.8 0.189
2004 305.7 0.189
2005 306.5 0.189
2006 307.4 0.188
2007 308.2 0.188
2008 309.1 0.187
2009 310.0 0.185
2010 310.8 0.184
2011 311.8 0.182
2012 312.7 0.180
2013 313.6 0.178
2014 314.6 0.175
2015 315.6 0.173
2016 316.6 0.170
2017 317.7 0.167
2018 318.8 0.163
2019 320.0 0.160
2020 321.2 0.156
2021 322.5 0.152
2022 323.8 0.148
2023 325.2 0.144
2024 326.8 0.140
2025 328.4 0.135
2026 330.1 0.131
2027 331.9 0.126
2028 333.9 0.122
2029 336.0 0.117
2030 338.3 0.113
2031 340.8 0.108
2032 343.5 0.103
2033 346.5 0.099
2034 349.7 0.095
2035 353.3 0.090
2036 357.2 0.087
2037 1.4 0.083
2038 6.0 0.080
2039 10.9 0.077
2040 16.2 0.075
2041 21.8 0.073
2042 27.5 0.072
2043 33.4 0.072
2044 39.4 0.072
2045 45.2 0.073
2046 50.9 0.074
2047 56.2 0.076
2048 61.3 0.079
2049 66.0 0.082
2050 70.3 0.085


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds22075%2B2538a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic