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Doubles in this session
 
 
Current system
09488-5237
B 1663
 
 
Nearby doubles
28' : 09466-5258
B 1660

32' : 09455-5223
TDS6789

36' : 09471-5203
HJ 4247

38' : 09510-5212
RST 441

43' : 09446-5217
RSS 212

46' : 09521-5102
BRT 768

47' : 09434-5239
B 1657

50' : 09442-5108
CPO9125

52' : 09513-5120
RST1457

52' : 09513-5121
DAM 508AB

56' : 09439-5206
TDS6772

57' : 09514-5348
RST2659

58' : 09546-5223
RST1464

60' : 09435-5114
B 1658

61' : 09520-5124
CPO 276

62' : 09453-5132
B 1659

65' : 09548-5205
HJ 4266

66' : 09557-5239
BRT2042

70' : 09559-5259
HDS1434

72' : 09534-5130
HJ 4264

74' : 09413-5109
HJ 4235AB

75' : 09535-5134
RST 444

75' : 09531-5338
TDS6878

77' : 09560-5250
RST1467

78' : 09408-5218
HJ 4234

78' : 09539-5138
RST 445

 
 
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.

09488-5237 B  1663

 
 
09h 48m 46.74s -52° 36' 56.5" P.A. 329 sep 1.2 mag 8.10,11.75 Sp K1V dist. 26.01 pc (84.84 l.y.)
 
 
Coord 2000
09488-5237
 Discov num
B  1663
 Comp
Coord arcsec 2000
09 48 46.74 -52 36 56.5
Date first
1929
 Date last
2017
 Obs
16
Pa first
278
 Pa last
329
 P.A. Now (θ)
329°
Sep first
1.2
 Sep last
1.2
 Sep. Now (ρ)
1.2"
Mag pri
8.10
 Mag sec
11.75
 delta mag (ΔM)
3.65
 Spectral class
K1V (yellow-orange)
Pri motion ra
-252
 Sec motion ra
Pri motion dec
+233
 Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
329.1
 Precise sep
1.181
 Cdsa2 id
B 1663
 Constellation
Vela
SAO
237371
 HIP
48133
 HD
85228
 GL
Gl 368.1A
CD
CD-52 3377
 CP
CP-52 2830
 Ra deg
9.812983333333333
 De deg
-52.61569444444444
Distance
26.01
 Distance ly
84.84
 last precise pa
329.1
 last precise sep
1.181
 
 
ORBITAL ELEMENTS
 
 
Period (P)295y Periastron (T)1808.15y Semi-major axis (a)1.912a
Eccentricity (e)0.4 Inclination (i)103.3° Longitude of periastron (ω)259.1°
Node (Ω)125.5° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2018
label rho theta
2000 0.871 345.0
2001 0.888 343.8
2002 0.906 342.6
2003 0.924 341.5
2004 0.942 340.4
2005 0.960 339.4
2006 0.978 338.4
2007 0.996 337.4
2008 1.015 336.5
2009 1.033 335.6
2010 1.051 334.7
2011 1.070 333.9
2012 1.088 333.1
2013 1.106 332.3
2014 1.125 331.6
2015 1.143 330.8
2016 1.161 330.1
2017 1.179 329.4
2018 1.197 328.8
2019 1.214 328.1
2020 1.232 327.5
2021 1.249 326.9
2022 1.266 326.3
2023 1.283 325.7
2024 1.300 325.1
2025 1.316 324.6
2026 1.333 324.1
2027 1.349 323.5
2028 1.364 323.0
2029 1.380 322.5
2030 1.395 322.0

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
grafico orbita


wds09488-5237a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
09488-5237 B 1663 1991 3 357 0.7 8.10 11.75 K1V 094846.97-523658.6
09488-5237 B 1663 2009 5 335 1.0 8.10 11.75 K1V 094846.97-523658.6
09488-5237 B 1663 2010 7 334 1.1 8.10 11.75 K1V 094846.97-523658.6
09488-5237 B 1663 2013 8 332 1.1 8.10 11.75 K1V 094846.97-523658.6
09488-5237 B 1663 2014 9 332 1.1 8.10 11.75 K1V 094846.97-523658.6
09488-5237 B 1663 2015 11 330 1.2 8.10 11.75 K1V 094846.97-523658.6
09488-5237 B 1663 2017 16 329 1.2 8.10 11.75 K1V O 094846.74-523656.5

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