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Current system
15505-0215
RST 5032
HD 141694


Nearby doubles
10' : 15501-0222
SKF 916

32' : 15500-0145
BAL 561

39' : 15530-0218
RST5035

45' : 15489-0137
BAL 560

48' : 15535-0200
GRV1213

49' : 15531-0245
WIS 297

49' : 15504-0303
RST4554

52' : 15534-0242
DAM2500

53' : 15513-0305
CHR 51

57' : 15501-0311
STF3126AB

59' : 15467-0203
SLW9007

63' : 15492-0314
STF1974

72' : 15461-0148
ISO 2

72' : 15532-0116
RST5036

73' : 15496-0326
CHR 259

82' : 15559-0210
STF1985

82' : 15478-0325
GWP2554

87' : 15449-0232
RST4550

88' : 15469-0105
JGP 6

93' : 15454-0123
STF1968

102' : 15500-0355
RST4553AB

109' : 15464-0343
NSN 155

114' : 15472-0357
UC 3065

123' : 15582-0137
HJ 1282

124' : 15586-0148
GWP2568

126' : 15580-0311
A 22



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Quadruple Systems
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

15505-0215 RST 5032 (HD 141694)

 
 
15h 50m 30.38s -02° 14' 30.7" P.A. 288.00 sep 0.1 mag 9.90,9.90 Sp F5 dist. 230.41 pc (751.6 l.y.)
 
 
Coord 2000 15505-0215 Discov num RST5032 Comp Coord arcsec 2000 15 50 30.38 -02 14 30.7
Date first 1943 Date last 2022 Obs 8
Pa first 14 Pa last 287.8 P.A. Now (θ) 298.6°
Sep first 0.2 Sep last 0.124 Sep. Now (ρ) 0.106"
Mag pri 9.90 Mag sec 9.90 delta mag (ΔM) 0 Spectral class F5 (yellow-white)
Pri motion ra -016 Sec motion ra
Pri motion dec -010 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 141694 Constellation Serpens SAO 140795 HIP 77594
Tycho2 5022-00022-1 Gaia DR2 4403258956433981184 HD 141694 BD BD-01 3106
Distance 230.41 Distance ly 751.6
 
 
ORBITAL ELEMENTS
 
 
Period (P)110.9y± 11.6 Periastron (T)2015.4y± 1.1 Semi-major axis (a)0.205a± 0.01
Eccentricity (e)0.533± 0.08 Inclination (i)130.7°± 5.2 Longitude of periastron (ω)106.3°± 16
Node (Ω)105.5°± 13.9 Notes ReferenceTok2022g
Equinox2000 Last observation2022 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 110.1 0.185
2001 107.9 0.179
2002 105.4 0.172
2003 102.8 0.165
2004 99.9 0.157
2005 96.7 0.148
2006 93.0 0.139
2007 88.9 0.129
2008 84.0 0.119
2009 78.1 0.108
2010 70.8 0.096
2011 61.7 0.085
2012 49.9 0.075
2013 35.0 0.068
2014 17.3 0.063
2015 358.5 0.064
2016 341.4 0.069
2017 327.2 0.077
2018 316.0 0.087
2019 307.1 0.097
2020 299.8 0.106
2021 293.7 0.115
2022 288.4 0.123
2023 283.7 0.130
2024 279.5 0.137
2025 275.6 0.142
2026 272.0 0.147
2027 268.6 0.151
2028 265.4 0.155
2029 262.3 0.158
2030 259.4 0.161
2031 256.5 0.163
2032 253.7 0.166
2033 251.0 0.167
2034 248.4 0.169
2035 245.7 0.171
2036 243.2 0.172
2037 240.7 0.173
2038 238.2 0.175
2039 235.7 0.176
2040 233.3 0.177
2041 230.9 0.178
2042 228.6 0.179
2043 226.2 0.180
2044 223.9 0.181
2045 221.6 0.182
2046 219.4 0.183
2047 217.1 0.184
2048 214.9 0.185
2049 212.7 0.186
2050 210.5 0.187


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds15505-0215a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic