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Doubles in session


Current system
10479-6416
HDS 1544
HD 93738


Nearby doubles
10' : 10465-6416
FIN 364AB

24' : 10504-6359
RST3717

29' : 10514-6433
TDS7508

31' : 10433-6411
R 154

36' : 10517-6441
TDS7515

39' : 10482-6338
HDS1545

44' : 10517-6340
TDS7514AB

47' : 10545-6358
HJ 4382AB

48' : 10551-6419
RST 517

52' : 10411-6350
KPP2887

55' : 10501-6323
TDS7494

60' : 10420-6330
I 860AB

61' : 10389-6430
R 152

68' : 10384-6350
TDS7387

73' : 10395-6505
HJ 4343AB

75' : 10565-6505
KPP1727

78' : 10437-6529
B 2255

79' : 10530-6305
I 418

80' : 10366-6448
CTI 389

84' : 10526-6258
TDS7523

84' : 10350-6415
TDS7352AB

85' : 10349-6408
DUN 93AB

89' : 10378-6318
B 2254AB

91' : 10455-6246
B 2257

92' : 10405-6259
NZO 20

93' : 10349-6454
B 1687



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.

10479-6416 HDS 1544 (HD 93738)

 
 
10h 47m 53.55s -64° 15' 46.3" P.A. 143.00 sep 0.2 mag 6.74,8.10 Sp B9.5V dist. 145.35 pc (474.13 l.y.)
 
 
Coord 2000 10479-6416 Discov num HDS1544 Comp Coord arcsec 2000 10 47 53.55 -64 15 46.3
Date first 1991 Date last 2023 Obs 9
Pa first 22 Pa last 143.2 P.A. Now (θ) 152.5°
Sep first 0.1 Sep last 0.174 Sep. Now (ρ) 0.157"
Mag pri 6.74 Mag sec 8.10 delta mag (ΔM) 1.36 Spectral class B9.5V (blue-white)
Pri motion ra -015 Sec motion ra
Pri motion dec +010 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 93738 Constellation Carina SAO 251128 HIP 52815
Tycho2 8965-01383-1 Gaia DR2 5239656077327422336 HD 93738 GC 14874
CP CP-63 1672 Distance 145.35 Distance ly 474.13
 
 
ORBITAL ELEMENTS
 
 
Period (P)78y Periastron (T)2003.8y Semi-major axis (a)0.224a
Eccentricity (e)0.319 Inclination (i)127.5° Longitude of periastron (ω)175°
Node (Ω)96.3° Notes ReferenceTok2019c
Equinox Last observation2018 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 303.2 0.137
2001 296.4 0.143
2002 290.0 0.147
2003 284.0 0.151
2004 278.2 0.152
2005 272.5 0.153
2006 266.7 0.151
2007 260.8 0.149
2008 254.6 0.145
2009 248.0 0.140
2010 241.0 0.135
2011 233.4 0.131
2012 225.4 0.127
2013 216.8 0.124
2014 208.0 0.122
2015 199.1 0.122
2016 190.3 0.124
2017 181.9 0.128
2018 174.0 0.133
2019 166.9 0.140
2020 160.4 0.148
2021 154.6 0.156
2022 149.5 0.165
2023 144.8 0.174
2024 140.7 0.184
2025 136.9 0.193
2026 133.5 0.203
2027 130.4 0.212
2028 127.5 0.221
2029 124.9 0.229
2030 122.4 0.237
2031 120.1 0.245
2032 118.0 0.252
2033 115.9 0.259
2034 114.0 0.265
2035 112.1 0.271
2036 110.3 0.276
2037 108.6 0.280
2038 106.9 0.284
2039 105.3 0.288
2040 103.7 0.290
2041 102.1 0.292
2042 100.6 0.294
2043 99.0 0.295
2044 97.5 0.295
2045 96.0 0.295
2046 94.4 0.294
2047 92.9 0.292
2048 91.3 0.290
2049 89.7 0.287
2050 88.1 0.284


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds10479-6416a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic