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Doubles in session


Current system
20045-2342
BWL 54 AC


Nearby doubles
35' : 20030-2314
B 464

40' : 20059-2416
TDT1971

40' : 20040-2421
RSS 538

42' : 20073-2324
ARA2270

47' : 20077-2324
TDT2004

50' : 20061-2258
ARA2269

56' : 20046-2247
TDT1953

60' : 20003-2357
SEE 400

75' : 20084-2435
B 467

75' : 20032-2229
BRT1558

76' : 20059-2455
TDT1972

81' : 20090-2434
TDT2024

85' : 20088-2242
WHC 18

94' : 20071-2509
TDT1993

95' : 20105-2428
UC 4112

98' : 20031-2207
TDT1937

104' : 19587-2237
TDS1029

106' : 20062-2159
UC 4084

109' : 20000-2512
KPP3122

112' : 20007-2204
KPP1108

112' : 20097-2216
BRT1561

118' : 20101-2512
OCC 121

119' : 19574-2448
OCC 169

125' : 19578-2507
TDT1881

127' : 19589-2521
LDS4825

127' : 20124-2237
RST3250



Selections
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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.

20045-2342 BWL 54 AC

 
 
20h 04m 30.78s -23° 42' 01.9" sep 6.4 mag 7.70,18.10 Sp M4.5
 
 
Coord 2000 20045-2342 Discov num BWL  54 Comp AC Coord arcsec 2000 20 04 30.78 -23 42 01.9
Date first 2011 Date last 2012 Obs 2
Pa first 1 Pa last 359.7 P.A. Now (θ) 359.7°
Sep first 6.1 Sep last 6.431 Sep. Now (ρ) 6.431"
Mag pri 7.70 Mag sec 18.10 delta mag (ΔM) 10.4 Spectral class M4.5 (red)
Pri motion ra +123 Sec motion ra
Pri motion dec -339 Sec motion dec
Notes U K (Proper motion indicates non-physical, 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 not physical.
 
 
20045-2342 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 04 31 -23 42 02 BWL 54 AB 2012 2 261 2.3 7.70 17.70 10.00
Show 20 04 31 -23 42 02 BWL 54 AC 2012 2 0 6.4 7.70 18.10 10.40 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius
 
 
WDS 20045-2342 BWL 54 AC : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
BWL Bowler, B.P., Liu, M.C., Shkolnik, E.L., Dupuy, T.J., Cieza, L.A., Kraus, A.L., &
BWL Bowler, B.P., Shkolnik, E.L., Liu, M.C., Schlieder, J.E., Mann, A.W., Dupuy, T.J.,
BWL Hinkley, S., Crepp, J., Johnson, J., Howard, A., Flagg, L., Weinberger, A., et al.
BWL Bowler, B.P., Dupuy, T.J., Endl, M., Cochran, W.D., MacQueen, P.J., Fulton, B.J.,
BWL Petigura, E.A., Howard, A.W., Hirsch, L., Kratter, K.M., Crepp, J.R., Biller, B.A.,
BWL Johnson, M.C. & Wittenmyer, R.A.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
20045-2342 BWL 54 AC 2012 2 0 6.4 7.70 18.10 M4.5 U K 200430.78-234201.9

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

 
 
WDS 20045-2342 BWL 54 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20045-2342 BWL 54 AC : MEASURES
 
 
No records found.

 
 
WDS 20045-2342 : VIRTUAL EYEPIECE
 
 

20045-2342 BWL 54A mag 7.7 Sp M4.5 20045-2342 BWL 54B sep 2.3 P.A. 260.70 mag 17.7 20045-2342 BWL 54C sep 6.4 P.A. 359.70 mag 18.1 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 20045-2342 : ALADIN DSS IMAGE @ 20h 04m 30.78s -23° 42' 01.9"
 
 
 
 
WDS 20045-2342 BWL 54 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20045-2342 BWL 54AC distance=0' 20030-2314 B 464 distance=35' 20059-2416 TDT1971 distance=40' 20040-2421 RSS 538 distance=40' 20073-2324 ARA2270 distance=42' 20077-2324 TDT2004 distance=47' 20061-2258 ARA2269 distance=50' 20046-2247 TDT1953 distance=56' 20008-2411 TOK 917Aa,Ab distance=59' 20003-2357 SEE 400 distance=60' 20084-2435 B 467 distance=75' 20032-2229 BRT1558 distance=75' 20059-2455 TDT1972 distance=76' 20090-2434 TDT2024 distance=81' 20088-2242 WHC 18 distance=85' 20071-2509 TDT1993 distance=94' 20105-2428 UC 4112 distance=95' 20031-2207 TDT1937 distance=98' 19587-2237 TDS1029 distance=104' 20062-2159 UC 4084 distance=106' 20000-2512 KPP3122 distance=109' 20007-2204 KPP1108 distance=112' 20097-2216 BRT1561 distance=112' 20101-2512 OCC 121 distance=118' 19574-2448 OCC 169 distance=119' 19578-2507 TDT1881 distance=125' 19589-2521 LDS4825 distance=127' 20124-2237 RST3250 distance=127' 19592-2155 LDS 697 distance=130' 20139-2328 KPP 908 distance=131' 20097-2532 B 468AB distance=131' 19550-2352 WHC 17 distance=132' 19549-2325 ARA2268 distance=134' 20103-2147 PRB 8 distance=141' 20023-2124 LDS4828 distance=141' 19543-2356 HJ 2904AB distance=141' 19543-2356 ALP 33AC distance=141' 19543-2356 GAA 23Aa,Ab distance=141' 19542-2339 ARA2267 distance=142' 20113-2533 TDT2063 distance=144' 19537-2327 UC 4047 distance=150' 19562-2206 BRT1556 distance=150' 19541-2430 B 455 distance=151' 20035-2613 UC 4071 distance=152' 20089-2122 BRT1560 distance=153' 20156-2412 HLD 157 distance=155' 19564-2531 UC 4056 distance=156' 19578-2132 CRI 25AB distance=161' 19578-2132 SKF 442AC distance=161' 20068-2620 TDT1988 distance=162' 20018-2105 GKM9440Aa,Ab distance=162' 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 20045-2342 BWL 54 AB 261 2.3 0
Show 20045-2342 BWL 54 AC 0 6.4 0
Show 20030-2314 B 464 231 0.5 35
Show 20059-2416 TDT1971 50 0.6 40
Show 20040-2421 RSS 538 107 11.5 40
Show 20073-2324 ARA2270 182 7.8 42
Show 20077-2324 TDT2004 237 0.4 47
Show 20061-2258 ARA2269 221 11.2 50
Show 20046-2247 TDT1953 253 0.4 56
Show 20008-2411 TOK 917 Aa,Ab 244 0.7 59
Show 20003-2357 SEE 400 25 1.0 60
Show 20084-2435 B 467 215 0.5 75
Show 20032-2229 BRT1558 113 4.1 75
Show 20059-2455 TDT1972 211 2.9 76
Show 20090-2434 TDT2024 304 3.0 81
Show 20088-2242 WHC 18 312 20.8 85
Show 20071-2509 TDT1993 73 0.5 94
Show 20105-2428 UC 4112 236 52.7 95
Show 20031-2207 TDT1937 131 1.1 98
Show 19587-2237 TDS1029 239 1.3 104
Show 20062-2159 UC 4084 284 44.4 106
Show 20000-2512 KPP3122 355 1.7 109
Show 20007-2204 KPP1108 355 8.8 112
Show 20097-2216 BRT1561 338 2.9 112
Show 20101-2512 OCC 121 -1 0.1 118
Show 19574-2448 OCC 169 -1 0.8 119
Show 19578-2507 TDT1881 63 4.1 125
Show 19589-2521 LDS4825 329 58.1 127
Show 20124-2237 RST3250 350 1.1 127
Show 19592-2155 LDS 697 315 41.7 130
Show 20139-2328 KPP 908 192 7.5 131
Show 20097-2532 B 468 AB 359 4.6 131
Show 19550-2352 WHC 17 104 11.9 132
Show 19549-2325 ARA2268 2 2.6 134
Show 20103-2147 PRB 8 201 999.9 141
Show 20023-2124 LDS4828 105 42.0 141
Show 19543-2356 HJ 2904 AB 34 45.8 141
Show 19543-2356 ALP 33 AC 108 41.6 141
Show 19543-2356 GAA 23 Aa,Ab 346 0.0 141
Show 19542-2339 ARA2267 197 12.0 142
Show 20113-2533 TDT2063 32 0.5 144
Show 19537-2327 UC 4047 224 54.9 150
Show 19562-2206 BRT1556 35 3.5 150
Show 19541-2430 B 455 265 2.4 151
Show 20035-2613 UC 4071 163 8.6 152
Show 20089-2122 BRT1560 138 4.5 153
Show 20156-2412 HLD 157 239 2.2 155
Show 19564-2531 UC 4056 215 47.0 156
Show 19578-2132 CRI 25 AB 3 10.3 161
Show 19578-2132 SKF 442 AC 333 3.8 161
Show 20068-2620 TDT1988 252 0.6 162

 
 
WDS 20045-2342 : COMPONENTS
 
 
  A B
B pa=260.7°
sep=2.34"
 
C pa=359.7°
sep=6.43"
pa=18.5°
sep=7.18"
 
 
20045-2342 A
 
 
Coord arcsec 2000 200430.78-234201.9 Mag 7.7 Spectral class M4.5 (red) PmRA 123.00
PmDE -339.0
 
 
20045-2342 B
 
 
Coord arcsec 2000 200430.61-234202.3 Mag 17.7 Delta magnitude 10 Coordinate calculated yes
 
 
20045-2342 C
 
 
Coord arcsec 2000 200430.78-234155.5 Mag 18.1 Delta magnitude 10.4 Coordinate calculated yes