12386-2704 BWL 32

 
 
12h 38m 37.13s -27° 03' 34.9" P.A. 55.00 sep 0.1 mag 8.10,10.40 Sp M2.5
 
 
Coord 2000 12386-2704 Discov num BWL  32 Comp Coord arcsec 2000 12 38 37.13 -27 03 34.9
Date first 2012 Date last 2021 Obs 7
Pa first 286 Pa last 55.2 P.A. Now (θ) 55.2°
Sep first 0.2 Sep last 0.137 Sep. Now (ρ) 0.137"
Mag pri 8.10 Mag sec 10.40 delta mag (ΔM) 2.3 Spectral class M2.5 (red)
Pri motion ra -185 Sec motion ra
Pri motion dec -185 Sec motion dec
Notes O K (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 Hydra Gaia DR2 3496359397652313856
 
 
ORBITAL ELEMENTS
 
 
Period (P)17y Periastron (T)2020.13y Semi-major axis (a)0.222a
Eccentricity (e)0.322 Inclination (i)137.4° Longitude of periastron (ω)81.1°
Node (Ω)190.2° Notes ReferenceTok2021f
Equinox Last observation2021 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 207.2 0.208
2001 188.8 0.188
2002 163.4 0.151
2003 119.6 0.114
2004 64.6 0.127
2005 31.0 0.172
2006 10.9 0.208
2007 355.8 0.229
2008 342.5 0.236
2009 329.4 0.235
2010 316.0 0.229
2011 301.7 0.222
2012 286.5 0.216
2013 270.7 0.214
2014 254.8 0.214
2015 239.0 0.215
2016 223.3 0.215
2017 207.2 0.208
2018 188.8 0.188
2019 163.4 0.151
2020 119.6 0.114
2021 64.6 0.127
2022 31.0 0.172
2023 10.9 0.208
2024 355.8 0.229
2025 342.5 0.236
2026 329.4 0.235
2027 316.0 0.229
2028 301.7 0.222
2029 286.5 0.216
2030 270.7 0.214


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



 
 


wds12386-2704a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS 12386-2704 BWL 32 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2021f orb - Tokovinin, A. 2021IAUDS.204....1T
Tok2021f Inf. Circ. 204, 1, 2021
 
 
DISCOVERER
 
 
idgroup discov author
1 BWL Bowler, B.P., Liu, M.C., Shkolnik, E.L., Dupuy, T.J., Cieza, L.A., Kraus, A.L., &
1 BWL Tamura, M.
10 BWL Bowler, B.P., Shkolnik, E.L., Liu, M.C., Schlieder, J.E., Mann, A.W., Dupuy, T.J.,
10 BWL Hinkley, S., Crepp, J., Johnson, J., Howard, A., Flagg, L., Weinberger, A., et al.
11 BWL Bowler, B.P., Dupuy, T.J., Endl, M., Cochran, W.D., MacQueen, P.J., Fulton, B.J.,
11 BWL Petigura, E.A., Howard, A.W., Hirsch, L., Kratter, K.M., Crepp, J.R., Biller, B.A.,
11 BWL Johnson, M.C. & Wittenmyer, R.A.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12386-2704 BWL 32 2012 2 287 0.2 8.10 10.40 M2.5 K 123837.13-270334.9
12386-2704 BWL 32 2018 3 178 0.2 8.10 10.40 M2.5 K 123837.13-270334.9
12386-2704 BWL 32 2019 4 165 0.1 8.10 10.40 M2.5 K 123837.13-270334.9
12386-2704 BWL 32 2020 5 120 0.1 8.10 10.40 M2.5 K 123837.13-270334.9
12386-2704 BWL 32 2021 7 55 0.1 8.10 10.40 M2.5 K 123837.13-270334.9

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

 
 
WDS 12386-2704 BWL 32 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12386-2704 BWL 32 : MEASURES
 
 
No records found.

 
 
WDS 12386-2704 : VIRTUAL EYEPIECE
 
 

12386-2704 BWL  32A mag 8.1 Sp M2.5 12386-2704 BWL  32B sep 0.1 P.A. 52.00 mag 10.4 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 12386-2704 : ALADIN DSS IMAGE @ 12h 38m 37.13s -27° 03' 34.9"
 
 
 
 
WDS 12386-2704 BWL 32 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


12386-2704  BWL  32 distance=0' 12383-2657  RST1681 distance=9' 12377-2708  B   230AB distance=14' 12377-2708  SKF1923AB,C distance=14' 12376-2730  NSN 101 distance=31' 12407-2650  B  2297 distance=32' 12406-2641  TVB 255 distance=36' 12363-2726  SKF1922 distance=39' 12417-2708  RST1684 distance=41' 12417-2657  LDS4250 distance=43' 12409-2743  B   231 distance=50' 12350-2643  SKF1921AB distance=53' 12350-2643  LSC  50Aa,Ab distance=53' 12344-2700  SKF1920 distance=57' 12432-2722  B  2300 distance=65' 12340-2725  UC 2359 distance=65' 12342-2738  KPP2724 distance=68' 12335-2638  DON 536 distance=73' 12440-2727  TDS 673AB distance=76' 12440-2727  UC 2393AC distance=76' 12444-2701  KPP2727 distance=78' 12413-2552  UC 2385 distance=81' 12401-2544  BRT2995 distance=83' 12347-2812  RST1678 distance=86' 12393-2528  UC 2379 distance=97' 12444-2604  HU 1497 distance=98' 12457-2633  UC 2400AB distance=100' 12415-2840  UC 2387 distance=104' 12312-2751  B  2295 distance=110' 12453-2601  UC 2397 distance=110' 12449-2824  SKF1946 distance=117' 12427-2518  KPP 921 distance=120' 12297-2647  RST1671 distance=122' 12429-2514  UC 2389 distance=124' 12434-2514  I   908AB distance=128' 12434-2514  I   908AC distance=128' 12476-2747  LDS4269 distance=128' 12434-2514  B  2739CD distance=128' 12333-2516  YSC 212 distance=130' 12295-2618  UC 2348 distance=131' 12288-2706  B   229 distance=132' 12483-2748  UC 2407 distance=137' 12494-2639  LDS4277 distance=147' 12342-2447  TDS8438 distance=150' 12271-2726  J  1603 distance=156' 12426-2437  HJ 4542 distance=157' 12438-2442  TDS8506 distance=159' 12368-2940  LDS4234 distance=159' 12311-2906  LDS5754 distance=160' 12504-2639  TDS8547 distance=161' 12268-2630  UC 2340 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 12386-2704 BWL 32 55 0.1
Show 12383-2657 RST1681 56 1.6 9
Show 12377-2708 B 230 AB 200 2.6 14
Show 12377-2708 SKF1923 AB,C 271 121.7 14
Show 12376-2730 NSN 101 55 2.9 31
Show 12407-2650 B 2297 94 9.8 32
Show 12406-2641 TVB 255 259 12.9 36
Show 12363-2726 SKF1922 62 27.7 39
Show 12417-2708 RST1684 209 0.4 41
Show 12417-2657 LDS4250 325 21.9 43
Show 12409-2743 B 231 82 4.4 50
Show 12350-2643 SKF1921 AB 113 77.4 53
Show 12350-2643 LSC 50 Aa,Ab 77 0.4 53
Show 12344-2700 SKF1920 251 10.7 57
Show 12432-2722 B 2300 315 10.6 65
Show 12340-2725 UC 2359 315 23.0 65
Show 12342-2738 KPP2724 42 5.6 68
Show 12335-2638 DON 536 325 0.5 73
Show 12440-2727 TDS 673 AB 263 1.7 76
Show 12440-2727 UC 2393 AC 330 40.6 76
Show 12444-2701 KPP2727 180 8.6 78
Show 12413-2552 UC 2385 19 49.4 81
Show 12401-2544 BRT2995 7 4.8 83
Show 12347-2812 RST1678 195 3.0 86
Show 12393-2528 UC 2379 112 10.7 97
Show 12444-2604 HU 1497 326 1.6 98
Show 12457-2633 UC 2400 AB 14 7.9 100
Show 12415-2840 UC 2387 343 8.9 104
Show 12312-2751 B 2295 2 8.1 110
Show 12453-2601 UC 2397 104 47.0 110
Show 12449-2824 SKF1946 256 14.7 117
Show 12427-2518 KPP 921 1 7.6 120
Show 12297-2647 RST1671 194 0.9 122
Show 12429-2514 UC 2389 50 17.6 124
Show 12434-2514 I 908 AB 154 3.5 128
Show 12434-2514 I 908 AC 21 39.8 128
Show 12476-2747 LDS4269 101 28.4 128
Show 12434-2514 B 2739 CD 295 7.7 128
Show 12333-2516 YSC 212 29 0.1 130
Show 12295-2618 UC 2348 72 13.7 131
Show 12288-2706 B 229 278 1.0 132
Show 12483-2748 UC 2407 131 11.3 137
Show 12494-2639 LDS4277 80 84.3 147
Show 12342-2447 TDS8438 11 0.6 150
Show 12271-2726 J 1603 59 8.8 156
Show 12426-2437 HJ 4542 62 38.4 157
Show 12438-2442 TDS8506 72 2.9 159
Show 12368-2940 LDS4234 235 18.4 159
Show 12311-2906 LDS5754 119 114.2 160
Show 12504-2639 TDS8547 300 0.5 161
Show 12268-2630 UC 2340 297 10.4 162

 
 
WDS 12386-2704 : COMPONENTS
 
 
  A
B pa=52.0°
sep=0.13"
 
 
12386-2704 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 123837.13-270334.9 Mag 8.1 Spectral class M2.5 (red)
PmRA -185.00 PmDE -185.0
 
 
12386-2704 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 123837.14-270334.8 Mag 10.4 Calc delta mag 2.3
Calc coord yes