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Doubles in session


Current system
10212-0304
BUG 10


Nearby doubles
28' : 10201-0327
GWP1346

45' : 10182-0303
BAL 209

48' : 10200-0220
DAM2319

49' : 10183-0326
RST4454AB

49' : 10201-0351
TDS7189

53' : 10180-0242
BAL 208

59' : 10237-0221
GWP1360

63' : 10172-0325
HJ 157

69' : 10233-0203
GWP1357

73' : 10168-0231
DAM2228

75' : 10176-0212
DAM2253

77' : 10227-0417
BRT 431

77' : 10164-0238
DAM2220

78' : 10201-0421
HO 531

85' : 10177-0158
DAM2255

89' : 10232-0141
TDS 584

96' : 10219-0129
OL 143

97' : 10262-0403
STF1433

97' : 10171-0149
DAM2236

97' : 10253-0419
HJ 160

98' : 10153-0223
DAM2190AB

98' : 10179-0140
DAM2259

99' : 10275-0328
TDS7285

99' : 10146-0303
RST4452

105' : 10264-0155
RST4927

106' : 10181-0130
TSN 113



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.

10212-0304 BUG 10

 
 
10h 21m 09.69s -03° 04' 19.7" P.A. 164.00 sep 0.2 mag 17.81,17.87 Sp T1+T5
 
 
Coord 2000 10212-0304 Discov num BUG  10 Comp Coord arcsec 2000 10 21 09.69 -03 04 19.7
Date first 2004 Date last 2013 Obs 9
Pa first 245 Pa last 163.8 P.A. Now (θ) 163.8°
Sep first 0.2 Sep last 0.153 Sep. Now (ρ) 0.153"
Mag pri 17.81 Mag sec 17.87 delta mag (ΔM) 0.06 Spectral class T1+T5 (brown dwarf/brown dwarf)
Pri motion ra Sec motion ra
Pri motion dec Sec motion dec
Notes N O K (See Notes, Orbital solution, K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sextans
 
 
ORBITAL ELEMENTS
 
 
Period (P)75y± 17 Periastron (T)82000d (2083.384y)± 6000 Semi-major axis (a)224m± 28
Eccentricity (e)0.31± 0.07 Inclination (i)161°± 7 Longitude of periastron (ω)70°± 120
Node (Ω)260°± 100 Notesn ReferenceDup2017
Equinox Last observation2013 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 261.0 0.184
2001 254.3 0.178
2002 247.3 0.172
2003 239.8 0.167
2004 231.8 0.162
2005 223.2 0.157
2006 214.2 0.153
2007 204.7 0.150
2008 194.9 0.148
2009 184.9 0.147
2010 174.9 0.147
2011 165.0 0.149
2012 155.5 0.153
2013 146.5 0.157
2014 138.0 0.162
2015 130.1 0.168
2016 122.7 0.175
2017 115.9 0.182
2018 109.6 0.188
2019 103.7 0.195
2020 98.2 0.202
2021 93.1 0.209
2022 88.3 0.215
2023 83.7 0.221
2024 79.4 0.227
2025 75.3 0.233
2026 71.4 0.238
2027 67.7 0.243
2028 64.1 0.248
2029 60.6 0.252
2030 57.3 0.256


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


 
  


wds10212-0304a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 10212-0304 BUG 10 : NOTES
 
 
discov_num notes refcode
BUG 10 SDSS J102109.69-030420.1
Estimated spectral types are T1 + T5, effective temperatures 1260 +/-
210 and 1130 +/- 190 K. Masses are estimated at 0.025-0.076 and
0.021-0.074 Msun, and the orbital period (assuming the semi-major axis
= 1.26 * rho) is ~50yr. Bug2006a
 
 
REFERENCES
 
 
refcode metd author reference
Bug2006a Hn j Burgasser, A.J., Kirkpatrick, J.D., Cruz, K.L. Reid, I.N., Leggett, S.K., Liebert, 2006ApJS..166..585B
Bug2006a +E2 J., Burrows, A., & Brown, M.E.
Bug2006a ApJS 166, 585, 2006
Dup2017 A j Dupuy, T.J. & Liu, M.C. 2017ApJS..231...15D
Dup2017 +orb ApJS 231, 15, 2017
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10212-0304 BUG 10 2004 1 245 0.2 17.81 17.87 T1+T5 N K 102109.69-030419.7
10212-0304 BUG 10 2008 2 204 0.1 17.81 17.87 T1+T5 N DK 102109.69-030419.7
10212-0304 BUG 10 2013 8 164 0.2 17.81 17.87 T1+T5 N K 102109.69-030419.7

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 10212-0304 BUG 10 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 10212-0304 BUG 10 : MEASURES
 
 
No records found.

 
 
WDS 10212-0304 : VIRTUAL EYEPIECE
 
 

10212-0304 BUG 10A mag 17.81 Sp T1 10212-0304 BUG 10B sep 0.1 P.A. 163.80 mag 17.87 Sp T5 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 10212-0304 : ALADIN DSS IMAGE @ 10h 21m 09.69s -03° 04' 19.7"
 
 
 
 
WDS 10212-0304 BUG 10 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

10212-0304 BUG 10 distance=1' 10201-0327 GWP1346 distance=28' 10182-0303 BAL 209 distance=45' 10200-0220 DAM2319 distance=48' 10183-0326 RST4454AB distance=49' 10183-0326 BAL 210AC distance=49' 10201-0351 TDS7189 distance=49' 10180-0242 BAL 208 distance=53' 10237-0221 GWP1360 distance=59' 10172-0325 HJ 157 distance=63' 10233-0203 GWP1357 distance=69' 10168-0231 DAM2228 distance=73' 10176-0212 DAM2253 distance=75' 10227-0417 BRT 431 distance=77' 10164-0238 DAM2220 distance=77' 10201-0421 HO 531 distance=78' 10177-0158 DAM2255 distance=85' 10232-0141 TDS 584 distance=89' 10219-0129 OL 143 distance=96' 10262-0403 STF1433 distance=97' 10171-0149 DAM2236 distance=97' 10253-0419 HJ 160 distance=97' 10153-0223 DAM2190AB distance=98' 10153-0223 DAM2190AC distance=98' 10179-0140 DAM2259 distance=98' 10275-0328 TDS7285 distance=99' 10146-0303 RST4452 distance=99' 10264-0155 RST4927 distance=105' 10181-0130 TSN 113 distance=106' 10262-0147 DAM2366 distance=108' 10289-0300 FIL 25 distance=116' 10291-0322 J 747 distance=120' 10141-0401 GWP1316 distance=121' 10192-0502 GWP1341 distance=121' 10146-0147 GWP1324 distance=125' 10166-0112 DAM2223 distance=131' 10301-0252 J 1566 distance=134' 10174-0101 DAM2244 distance=136' 10304-0257 LDS3996 distance=138' 10121-0241 DEL 3 distance=139' 10298-0355 STF1440 distance=140' 10283-0436 GWP1378 distance=141' 10300-0413 LDS3994 distance=149' 10282-0450 DAM 776AB distance=149' 10282-0450 DAM 776AC distance=149' 10147-0110 HJ 154 distance=150' 10310-0232 GWP1390 distance=152' 10302-0413 NSN 129 distance=152' 10277-0108 LDS3990 distance=153' 10291-0442 RST4456 distance=154' 10165-0521 WSI 115 distance=154' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 10212-0304 BUG 10 164 0.2 1
Show 10201-0327 GWP1346 8 15.8 28
Show 10182-0303 BAL 209 220 17.4 45
Show 10200-0220 DAM2319 24 1.5 48
Show 10183-0326 RST4454 AB 224 0.3 49
Show 10183-0326 BAL 210 AC 25 20.1 49
Show 10201-0351 TDS7189 159 0.6 49
Show 10180-0242 BAL 208 1 6.5 53
Show 10237-0221 GWP1360 308 19.1 59
Show 10172-0325 HJ 157 132 20.2 63
Show 10233-0203 GWP1357 282 66.5 69
Show 10168-0231 DAM2228 73 4.3 73
Show 10176-0212 DAM2253 116 4.3 75
Show 10227-0417 BRT 431 159 5.2 77
Show 10164-0238 DAM2220 313 25.6 77
Show 10201-0421 HO 531 122 3.1 78
Show 10177-0158 DAM2255 300 6.2 85
Show 10232-0141 TDS 584 3 1.0 89
Show 10219-0129 OL 143 213 2.8 96
Show 10262-0403 STF1433 264 23.7 97
Show 10171-0149 DAM2236 221 5.3 97
Show 10253-0419 HJ 160 290 11.4 97
Show 10153-0223 DAM2190 AB 27 3.6 98
Show 10153-0223 DAM2190 AC 91 21.1 98
Show 10179-0140 DAM2259 21 4.5 98
Show 10275-0328 TDS7285 66 1.5 99
Show 10146-0303 RST4452 246 0.4 99
Show 10264-0155 RST4927 314 0.5 105
Show 10181-0130 TSN 113 218 999.9 106
Show 10262-0147 DAM2366 211 1.5 108
Show 10289-0300 FIL 25 55 5.6 116
Show 10291-0322 J 747 253 3.5 120
Show 10141-0401 GWP1316 56 117.0 121
Show 10192-0502 GWP1341 81 65.0 121
Show 10146-0147 GWP1324 145 27.8 125
Show 10166-0112 DAM2223 319 6.7 131
Show 10301-0252 J 1566 270 12.3 134
Show 10174-0101 DAM2244 270 6.5 136
Show 10304-0257 LDS3996 75 2.8 138
Show 10121-0241 DEL 3 270 0.1 139
Show 10298-0355 STF1440 345 14.8 140
Show 10283-0436 GWP1378 158 35.1 141
Show 10300-0413 LDS3994 140 36.1 149
Show 10282-0450 DAM 776 AB 233 13.1 149
Show 10282-0450 DAM 776 AC 62 34.2 149
Show 10147-0110 HJ 154 148 19.9 150
Show 10310-0232 GWP1390 337 23.6 152
Show 10302-0413 NSN 129 101 1.0 152
Show 10277-0108 LDS3990 81 5.2 153
Show 10291-0442 RST4456 347 1.1 154
Show 10165-0521 WSI 115 195 3.2 154

 
 
WDS 10212-0304 : COMPONENTS
 
 
  A
B pa=163.8°
sep=0.15"
 
 
10212-0304 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 102109.69-030419.7 Mag 17.81 Spectral class T1 (brown dwarf)
 
 
10212-0304 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 102109.69-030419.8 Mag 17.87 Spectral class T5 (brown dwarf)
Calc delta mag 0.06 Calc coord yes