stampa
Login

Want to manage your own lists?
Create your account here!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
20537+5918
A 751
HD 199306


Nearby doubles
22' : 20559+5906
A 754

22' : 20509+5918
MLR 240

32' : 20563+5943
LDS2794

33' : 20503+5937
MLR 239

43' : 20577+5849
A 756AB

48' : 20493+5845
STTA211

51' : 20590+5948
TDT2672

56' : 21010+5923
MLR 242

57' : 21009+5929
MLR 241

57' : 21009+5931
ES 2703

64' : 20466+5951
MLR 236

65' : 20454+5906
ES 2700

66' : 20520+6022
SKF2091

67' : 21024+5920
STI1011

67' : 21012+5953
TDT2696

68' : 20525+6026
DAM1044

73' : 20444+5902
KR 51

75' : 20470+5825
HDS2961

75' : 21035+5922
MRI 37

76' : 20483+5815
MLR 360

76' : 21035+5925
MLR 243

81' : 20520+6039
STI1001

84' : 21045+5904
MLB1090

86' : 20475+6031
TDT2541

93' : 20500+5751
CVR 232

95' : 20562+5742
HJ 1595



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.

20537+5918 A 751 (HD 199306)

 
 
20h 53m 41.31s +59° 18' 27.7" P.A. 52.00 sep 0.2 mag 7.66,7.96 Sp F1V+F3V dist. 119.9 pc (391.11 l.y.)
 
 
Coord 2000 20537+5918 Discov num A   751 Comp Coord arcsec 2000 20 53 41.31 +59 18 27.7
Date first 1904 Date last 2011 Obs 81
Pa first 34 Pa last 52.4 P.A. Now (θ) 14°
Sep first 0.2 Sep last 0.195 Sep. Now (ρ) 0.15"
Mag pri 7.66 Mag sec 7.96 delta mag (ΔM) 0.3 Spectral class F1V+F3V (yellow-white/yellow-white)
Pri motion ra +037 Sec motion ra
Pri motion dec -021 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 199306 Constellation Cepheus SAO 32976 HIP 103130
Tycho2 3964-01130-1 Gaia DR2 2190848700139092224 HD 199306 GC 29181
ADS 14412 BD BD+58 2187 Distance 119.9 Distance ly 391.11
 
 
ORBITAL ELEMENTS
 
 
Period (P)56.87y Periastron (T)1976.04y Semi-major axis (a)0.169a
Eccentricity (e)0.591 Inclination (i)130.6° Longitude of periastron (ω)276.2°
Node (Ω)177.3° Notesn ReferenceSca2013b
Equinox2000 Last observation2011 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 91.8 0.172
2001 88.6 0.173
2002 85.5 0.174
2003 82.4 0.175
2004 79.3 0.176
2005 76.2 0.177
2006 73.2 0.178
2007 70.2 0.178
2008 67.2 0.179
2009 64.3 0.180
2010 61.4 0.180
2011 58.5 0.181
2012 55.6 0.181
2013 52.7 0.181
2014 49.8 0.181
2015 46.9 0.181
2016 44.0 0.180
2017 41.0 0.179
2018 38.0 0.178
2019 35.0 0.176
2020 31.9 0.173
2021 28.7 0.170
2022 25.3 0.167
2023 21.8 0.162
2024 18.1 0.157
2025 14.0 0.150
2026 9.6 0.142
2027 4.5 0.132
2028 358.5 0.120
2029 351.0 0.105
2030 340.9 0.088
2031 325.3 0.069
2032 297.6 0.051
2033 253.7 0.046
2034 216.9 0.059
2035 196.0 0.078
2036 183.2 0.095
2037 174.0 0.108
2038 166.7 0.120
2039 160.5 0.129
2040 155.1 0.136
2041 150.2 0.141
2042 145.6 0.146
2043 141.2 0.150
2044 137.1 0.153
2045 133.1 0.156
2046 129.3 0.158
2047 125.5 0.160
2048 121.9 0.162
2049 118.3 0.163
2050 114.8 0.165


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds20537%2B5918a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic