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Doubles in session


Current system
00428+1249
HDS 93


Nearby doubles
24' : 00419+1308
TVB 24

26' : 00412+1238
BRT1167

27' : 00444+1235
HJ 6

35' : 00408+1308
HEI 302

44' : 00455+1232
HJ 7

45' : 00441+1328
GRV 39

51' : 00404+1326
ROE 117

55' : 00419+1341
JMS 1

63' : 00400+1336
BPM 16

63' : 00469+1232
A 920

67' : 00392+1329
GWP 73

71' : 00475+1237
TDS1613AB

72' : 00477+1253
STTA 8AB

74' : 00434+1136
A 810

75' : 00467+1335
BPM 18

77' : 00376+1257
GWP 69

79' : 00481+1252
HJ 8

85' : 00371+1231
CVR 340

89' : 00487+1226
CVR 19

94' : 00489+1225
LDS2797AB

100' : 00495+1241
LDS3202

100' : 00364+1213
A 807

101' : 00454+1422
LDS1079

101' : 00379+1138
GRV 33

105' : 00379+1404
GWP 71

110' : 00421+1100
A 809



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.

00428+1249 HDS 93

 
 
00h 42m 47.92s +12° 48' 41.8" P.A. 11.00 sep 0.3 mag 10.78,12.02 dist. 75.64 pc (246.74 l.y.)
 
 
Coord 2000 00428+1249 Discov num HDS  93 Comp Coord arcsec 2000 00 42 47.92 +12 48 41.8
Date first 1991 Date last 2021 Obs 17
Pa first 160 Pa last 11.3 P.A. Now (θ) 11.3°
Sep first 0.2 Sep last 0.316 Sep. Now (ρ) 0.316"
Mag pri 10.78 Mag sec 12.02 delta mag (ΔM) 1.24 Spectral class
Pri motion ra +193 Sec motion ra
Pri motion dec -077 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pisces HIP 3361 Tycho2 0610-00266-1 BD BD+12 81
Distance 75.64 Distance ly 246.74
 
 
ORBITAL ELEMENTS
 
 
Period (P)88.72y± 0.505 Periastron (T)1995.03y± 0.566 Semi-major axis (a)0.3023a± 0.0021
Eccentricity (e)0.138± 0.003 Inclination (i)143.4°± 0.5 Longitude of periastron (ω)263.9°± 2
Node (Ω)32.7°± 0.7 Notes ReferenceCve2017b
Equinox2000 Last observation2015 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 97.7 0.219
2001 91.7 0.224
2002 85.9 0.230
2003 80.5 0.236
2004 75.3 0.242
2005 70.4 0.249
2006 65.8 0.256
2007 61.4 0.262
2008 57.2 0.269
2009 53.2 0.275
2010 49.4 0.280
2011 45.7 0.286
2012 42.1 0.290
2013 38.7 0.295
2014 35.4 0.298
2015 32.1 0.302
2016 28.9 0.304
2017 25.7 0.306
2018 22.6 0.308
2019 19.5 0.309
2020 16.4 0.309
2021 13.3 0.309
2022 10.2 0.309
2023 7.1 0.308
2024 4.0 0.307
2025 0.8 0.305
2026 357.6 0.304
2027 354.4 0.302
2028 351.2 0.299
2029 347.8 0.297
2030 344.5 0.295
2031 341.1 0.292
2032 337.6 0.290
2033 334.0 0.288
2034 330.5 0.286
2035 326.8 0.283
2036 323.1 0.282
2037 319.4 0.280
2038 315.6 0.279
2039 311.8 0.277
2040 307.9 0.277
2041 304.1 0.276
2042 300.2 0.276
2043 296.3 0.276
2044 292.5 0.276
2045 288.6 0.277
2046 284.8 0.278
2047 281.0 0.279
2048 277.2 0.281
2049 273.5 0.282
2050 269.8 0.284


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds00428%2B1249b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic