20393-1457 HU 200 AB (Tau Cap)

 
 
20h 39m 16.32s -14° 57' 17.0" P.A. 123.00 sep 0.4 mag 5.38,7.31 Sp B5III dist. 348.43 pc (1136.58 l.y.)
 
 
Coord 2000 20393-1457 Discov num HU  200 Comp AB Coord arcsec 2000 20 39 16.32 -14 57 17.0
Date first 1900 Date last 2019 Obs 96
Pa first 270 Pa last 123 P.A. Now (θ) 123°
Sep first 0.2 Sep last 0.367 Sep. Now (ρ) 0.367"
Mag pri 5.38 Mag sec 7.31 delta mag (ΔM) 1.93 Spectral class B5III (blue-white)
Pri motion ra +002 Sec motion ra +002
Pri motion dec -021 Sec motion dec -021
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
20393-1457 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Tau Cap 163771 20 39 16 -14 57 17 HU 200 AB 2019 96 123 0.4 5.38 7.31 1.93 Y <===
Show 163771 20 39 16 -14 57 17 HU 200 AC 2000 7 272 159.2 5.38 12.20 6.82
Show 163771 20 39 16 -14 57 17 OCC 226 Ba,Bb 1974 0 -1 0.1 5.80 9.30 3.50
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Tau Cap Constellation Capricornus SAO 163771 HIP 101923
Tycho2 5767-02439-1 Gaia DR2 6863409385992156800 HD 196662 HR 7889
GC 28748 ADS 14099 BD BD-15 5743 Bayer Tau Capricorni
Bayer name Tau Cap Flamsteed 14 Capricorni Flamsteed name 14 Cap Distance 348.43
Distance ly 1136.58 Bayer greek τ Cap
 
 
ORBITAL ELEMENTS
 
 
Period (P)420y Periastron (T)1915y Semi-major axis (a)0.48a
Eccentricity (e)0.73 Inclination (i)75° Longitude of periastron (ω)270°
Node (Ω)93° Notesn ReferenceHei1998
Equinox Last observation Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 117.2 0.334
2001 117.5 0.333
2002 117.8 0.332
2003 118.1 0.332
2004 118.4 0.331
2005 118.7 0.330
2006 119.1 0.329
2007 119.4 0.328
2008 119.7 0.327
2009 120.0 0.326
2010 120.4 0.325
2011 120.7 0.324
2012 121.0 0.323
2013 121.4 0.322
2014 121.7 0.321
2015 122.0 0.320
2016 122.4 0.319
2017 122.7 0.318
2018 123.1 0.317
2019 123.4 0.316
2020 123.8 0.315
2021 124.1 0.314
2022 124.5 0.312
2023 124.8 0.311
2024 125.2 0.310
2025 125.6 0.309
2026 125.9 0.308
2027 126.3 0.307
2028 126.7 0.305
2029 127.1 0.304
2030 127.4 0.303


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



 
 


wds20393-1457a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS 20393-1457 HU 200 AB (Tau Cap) : NOTES
 
 
discov_num notes refcode
HU 200 tau 2 Cap = 14 Cap.
 
 
REFERENCES
 
 
refcode metd author reference
Hei1998 Ma j Heintz, W.D. 1998ApJS..117..587H
Hei1998 +orb ApJS 117, 587, 1998
 
 
DISCOVERER
 
 
idgroup discov author
1 HU Hussey, W.F.
58 OCC Taylor, G.E., O'Leary, B., van Fladern, T.C. Bartholdi, P., Owen, F.,
58 OCC Hubbard, W.B., Smith, B.A., Smith, S.A., Fallon, F.W. Devinney, E.J. & Oliver, J.
63 OCC Dunham, D.W., Dunham, J.B., Binzel, R.P., Evans, D.S., Freuh, M., Henry, G.W.,
63 OCC A'Hearn, M.A., Schnurr, R., Betts, R., Haynes, H., Orcutt, R., Bowell, E., et al.
66 OCC Vasundhara, R., Jayakumar, K., Velu, C., Appakutty, M., Paranjpye, A.,
66 OCC Kulkarni, H., Nitsure, P., Prabhunne, M. & Shah, K.
73 OCC Lin, C.-L., Zhang, Z.-W., Chen, W.P., King, S.-K., Lin, H.-C., Bianco, F.B.,
73 OCC Lehner, M.J., Coehlo, N., Wang, J.-H., Mondal, S., Alcock, C., Axelrod, T., et al.
74 OCC Herald, D., Boyle, R., Dunham, D., Hirose, T., Maley, P., Timerson, B., Farris,
74 OCC T., Frappa, E., Lecacheux, J., Hayamizu, T., Kozubal, M., Nolthenius, R., et al.
79 OCC Loader, B., Asada, Y., Breit, D., Bradshaw, J., Gault, D., Herald, D., Iverson,
79 OCC E., Ishida, M., Karasaki, H., Kashiwagura, M., Miyashita, K., Messner, S., et al.
82 OCC Loader, B. Bradshaw, J., Breit, D., Gault, D., George, T., Herald, D., Iverson,
82 OCC E., Ishida, M., Karasaki, H., Kashiwagura, M., Kenmotsu, K., Lowe, D., et al.
83 OCC George, T., Timerson, B., Cooke, B., Degenhardt, S., Dunham, D.W., Messner, S.,
83 OCC Suggs, R., Venable, R. & Warren, W.H.
84 OCC George, T., Timerson, B., Beard, T., Blank, T., Dantowitz, R., Davis, J.,
84 OCC di Cicco, D., Dunham, D.W., Hill, M., Sliski, A. & Sumner, R.
85 OCC Bulder, H., Loader, B., Herald, D., Messner, S., Ling, A., Raab, H.,
85 OCC Culbertson, B., Black, S., Ishida, M., Ohno, T., & Miyashita, K.
86 OCC George, T., Timerson, B., Degenhardt, S., Bracken, C., Cadmus, R., Carcich, A.,
86 OCC Centala, J., Modic, R., & Slauson, D.
87 OCC Loader, B., Asada, Y., Bradshaw, J., Breit, D., Fuertes, J., Gault, D., George,T.,
87 OCC Graham, P., Herald, D., Holenstein, B., Iverson, E., Ishida, M., et al.
88 OCC George, T., Timerson, B., Brooks, J., Conrad, S., Dunham, J.B., Dunham, D.W.,
88 OCC Jones,R., Lipka, T.R., Thomas, W., Warren, W.J., Jr., Wasson, R. & Wisniewski, J.
105 OCC Loader, B., Bradshaw, J., Breit, D., Edens, E., Forbes, M., Gault, D., George, T.,
105 OCC Haymes, T., Herald, D., Holenstein, B., Ito, T., Iverson, E., et al.
106 OCC Soma, M., Hayamizu, T., Ishida, M., Owada, M., Ida, M., Aikawa, R., Hashimoto, A.,
106 OCC Horaguchi, T., Kitazaki, K., Uchiyama, S., Uehara, S., Yaeza, A., et al.
107 OCC Loader, B., Asai, A., Bardecker, J., Bradshaw, J., Breit, D., Buettner, D.,
107 OCC Chad, C., Denyer, P., Edens, E., Forbes, M., Gault, D., George, T., et al.
110 OCC Loader, B., Anderson, P., Asai, A., Bradshaw, J., Breit, D., Forbes, M.,
110 OCC Gault, D., George, T., Haymes, T., Herald, D., Ishida, M., Kerr, S., et al.
113 OCC Timerson, B., George, T., Bean, J., Blank, T., Bardecker, J., Dunham, D., Dunham,
113 OCC J., Gimple, B., Maley, P., Anthony, S., Wiesenborn, C., Hunt, T., Sumner, R. &
113 OCC Thomas, W.
114 OCC Hirose, T., Ida, M., Yamamura, H., Uchiyama, S., Hashimoto, A., Aikawa, R.,
114 OCC Terakubo, K., Sato, M. & Shima, K.
115 OCC Loader, B., Asada, Y., Asai, A., Bardecker, J., Bourgeois, J., Bradshaw, J., Chad,
115 OCC C., Ellington, C., Gault, D., Giacchini, B., Haymes, T., Herald, D., Ishida, M.,
115 OCC Iverson, E., Kerr, S., Manek, J., McKay, G., Messner, S., Pratt, A., Sandy, R.,
115 OCC Watanabe, H., Yamamura, H. & Yoshida, H.
118 OCC Perello, C., Frappa, E., Janik, T., Kattentidt, B., Polak, J., Rottenborn, M. &
118 OCC Selva, A.
123 OCC Gault, D., Barry, T., Nosworthy, P., Hanna, W., Messner, S., Oesper, D., Dunford,
123 OCC R., Trank, R., Preston, S. & Herald, D.
128 OCC Frappa, E., Zeleny, P., Baruffetti, P., Bendjeddou, A., Bigi, M., Bouazara, O.,
128 OCC Gacem, A., Khenifer, H.M., Mokhtari, L., Nosal, P., Rayane, H., Selimi, T.E.M.,
128 OCC Sposetti, S. & Aissa, D.B.
129 OCC Hayamizu, T., Soma, M., Watanabe, Hi., Asai, A., Watanable, Ha., Akira, A.,
129 OCC Ida, M., Uchiyama, S., Nagata, T., Yamamura, H., Owada, M. & Yamashita, M.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20393-1457 HU 200 AB 2005 85 123 0.3 5.38 7.31 B5III NOD 203916.32-145717.0
20393-1457 HU 200 AB 2008 88 118 0.3 5.38 7.31 B5III NOD 203916.32-145717.0
20393-1457 HU 200 AB 2009 90 118 0.3 5.38 7.31 B5III NOD 203916.32-145717.0
20393-1457 HU 200 AB 2013 92 121 0.3 5.38 7.31 B5III NO 203916.32-145717.0
20393-1457 HU 200 AB 2017 93 120 0.3 5.38 7.31 B5III NO 203916.32-145717.0
20393-1457 HU 200 AB 2018 95 121 0.3 5.38 7.31 B5III NO 203916.32-145717.0
20393-1457 HU 200 AB 2019 96 123 0.4 5.38 7.31 B5III NO 203916.32-145717.0

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

 
 
WDS 20393-1457 HU 200 AB (Tau Cap) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20393-1457 HU 200 AB (Tau Cap) : MEASURES
 
 
No records found.

 
 
WDS 20393-1457 (Tau Cap) : VIRTUAL EYEPIECE
 
 

20393-1457 HU  200A mag 5.38 Sp B5III 20393-1457 OCC 226B mag 5.8 Sp B7III 20393-1457 OCC 226Bb mag 9.3 20393-1457 HU  200C sep 153.8 P.A. 272.00 mag 12.2 virtual eyepiece
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Radius:
Components only
 
 
WDS 20393-1457 (Tau Cap) : ALADIN DSS IMAGE @ 20h 39m 16.32s -14° 57' 17.0"
 
 
 
 
WDS 20393-1457 HU 200 AB (Tau Cap) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


20393-1457  HU  200AB distance=0' 20389-1442  RST4066 distance=17' 20374-1509  UC 4237 distance=31' 20410-1431  HO  135 distance=37' 20363-1519  HJ 1537 distance=48' 20426-1444  LDS4856 distance=51' 20389-1600  NSN 497 distance=64' 20414-1352  BRT2776 distance=74' 20444-1503  HJ 1567 distance=75' 20343-1437  OCC 349 distance=76' 20448-1458  OCC  20AB distance=80' 20448-1458  OCC  20AC distance=80' 20360-1350  RST4672AB distance=83' 20343-1542  RST5551 distance=85' 20412-1330  OCC 413 distance=92' 20388-1323  BRT2775 distance=95' 20352-1338  BRT2774 distance=100' 20452-1548  OCC 290 distance=101' 20406-1319  HJ  611 distance=101' 20412-1320  WSI 163 distance=102' 20333-1402  AHD  16 distance=103' 20336-1602  ARA 127 distance=104' 20442-1342  HLD 162 distance=104' 20407-1639  GWP2981 distance=105' 20342-1343  TOK 678 distance=105' 20405-1640  OCC9057 distance=105' 20386-1313  KPP1738 distance=106' 20323-1427  RST4669AB distance=106' 20323-1427  WSI  15AC distance=106' 20415-1638  OCC9058 distance=106' 20363-1320  CVR 227 distance=107' 20350-1323  CVR 226 distance=113' 20349-1632  UC 4222AB distance=114' 20349-1632  UC 4222BC distance=115' 20373-1653  OCC 827AB distance=119' 20335-1333  OCC1089 distance=119' 20311-1503  FIN 336 distance=119' 20328-1343  HO  132 distance=121' 20400-1700  OCC9056 distance=124' 20328-1333  HO  133AB distance=127' 20328-1333  HO  133AC distance=127' 20387-1704  OCC9194 distance=127' 20439-1646  RST3268 distance=128' 20325-1621  ARA 126 distance=128' 20477-1542  OCC1007 distance=130' 20355-1256  LDS4852 distance=132' 20433-1701  RST3267 distance=137' 20369-1244  STF2699AB distance=138' 20369-1244  STF2699AC distance=138' 20369-1244  STF2699AD distance=138' 20387-1715  OCC9055 distance=138' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 20393-1457 HU 200 AB 123 0.4
Show 20393-1457 HU 200 AC 272 159.2
Show 20393-1457 OCC 226 Ba,Bb -1 0.1
Show 20389-1442 RST4066 289 0.6 17
Show 20374-1509 UC 4237 111 76.1 31
Show 20410-1431 HO 135 226 2.8 37
Show 20363-1519 HJ 1537 22 3.6 48
Show 20426-1444 LDS4856 200 2.0 51
Show 20389-1600 NSN 497 234 2.0 64
Show 20414-1352 BRT2776 79 4.2 74
Show 20444-1503 HJ 1567 344 30.6 75
Show 20343-1437 OCC 349 -1 0.3 76
Show 20448-1458 OCC 20 AB -1 0.1 80
Show 20448-1458 OCC 20 AC -1 0.1 80
Show 20360-1350 RST4672 AB 186 5.0 83
Show 20343-1542 RST5551 119 0.1 85
Show 20412-1330 OCC 413 -1 0.3 92
Show 20388-1323 BRT2775 9 3.7 95
Show 20352-1338 BRT2774 81 7.3 100
Show 20452-1548 OCC 290 -1 0.1 101
Show 20406-1319 HJ 611 338 12.1 101
Show 20412-1320 WSI 163 46 10.3 102
Show 20333-1402 AHD 16 286 6.7 103
Show 20336-1602 ARA 127 281 9.3 104
Show 20442-1342 HLD 162 137 1.5 104
Show 20407-1639 GWP2981 56 86.1 105
Show 20342-1343 TOK 678 263 24.2 105
Show 20405-1640 OCC9057 -1 0.0 105
Show 20386-1313 KPP1738 57 13.4 106
Show 20323-1427 RST4669 AB 23 2.3 106
Show 20323-1427 WSI 15 AC 113 11.1 106
Show 20415-1638 OCC9058 -1 0.1 106
Show 20363-1320 CVR 227 221 9.8 107
Show 20350-1323 CVR 226 36 18.4 113
Show 20349-1632 UC 4222 AB 177 60.9 114
Show 20349-1632 UC 4222 BC 346 32.3 115
Show 20373-1653 OCC 827 AB -1 0.1 119
Show 20335-1333 OCC1089 -1 0.1 119
Show 20311-1503 FIN 336 332 0.1 119
Show 20328-1343 HO 132 207 7.0 121
Show 20400-1700 OCC9056 -1 0.0 124
Show 20328-1333 HO 133 AB 171 1.2 127
Show 20328-1333 HO 133 AC 255 134.6 127
Show 20387-1704 OCC9194 -1 0.1 127
Show 20439-1646 RST3268 119 1.7 128
Show 20325-1621 ARA 126 289 5.5 128
Show 20477-1542 OCC1007 -1 0.1 130
Show 20355-1256 LDS4852 320 1.5 132
Show 20433-1701 RST3267 217 1.4 137
Show 20369-1244 STF2699 AB 196 9.2 138
Show 20369-1244 STF2699 AC 169 37.2 138

 
 
WDS 20393-1457 : COMPONENTS
 
 
  A B Bb
B pa=0.0°
sep=0.00"
 
Bb pa=0.0°
sep=0.00"
pa=0.0°
sep=0.00"
 
C pa=272.0°
sep=153.85"
pa=272.0°
sep=153.85"
pa=272.0°
sep=153.85"
 
 
20393-1457 A
 
 
Name Tau Cap Coord arcsec 2000 203916.32-145717.0 Mag 5.38 Spectral class B5III (blue-white)
PmRA 2.00 PmDE -21.0 SAO 163771 HIP 101923
Tycho2 5767-02439-1 HD 196662 HR 7889 GC 28748
BD BD-15 5743 Bayer Tau Capricorni Bayer name Tau Cap Flamsteed 14 Capricorni
Flamsteed name 14 Cap
Tycho2
Tycho2 5767-02439-1 Pflag RAmdeg 309.81802376 DEmdeg -14.95477825
PmRA 1.9 PmDE -20.8 E RAmdeg 3 E DEmdeg 4
E pmRA 0.8 E pmDE 0.8 EpRAm 1991.51 EpDEm 1990.74
Num 18 Q RAmdeg 1.7 Q DEmdeg 1.5 Q pmRA 1.5
Q pmDE 1.4 BTmag 5.088 E BTmag 0.014 VTmag 5.231
E VTmag 0.009 Prox 999 TYC T HIP 101923
CCDM AB RAdeg 309.81801944 DEdeg -14.95472750 EpRA 1990 1.82
EpDE 1990 1.26 E RAdeg 3.3 E DEdeg 3.7 Posflg P
Corr -0.2
SAO
SAO 163771 DelFlag RA1950 PmRA1950 0.0003
DE1950 PmDE1950 -0.021 Vmag 5.3 SpType B5
Double code Source 70 CatNum 28748 DM BD-15 5743
DMcomp BDsup HD 196662 M HD 0
GC 28748 RA1950rad 5.39515456 DE1950rad -0.2640947 PmRA2000 0.0005
PmDE2000 -0.022
Hipparcos
Catalog H HIP 101923 Proxy H RAhms 20 39 16.32
DEdms -14 57 17.0 Vmag 5.24 VarFlag R Vmag G
RAdeg 309.818 DEdeg -14.9547 AstroRef A Plx 1.86
CCDM 20392-1457 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 114 Rho 0.345 HD 196662 BD BD-15 5743
CD CP Dm number -15 5743 VIred -0.12
SpType B7III R SpType Coord arcsec 2000 203916.32-145717.0
Hipparcos 2
HIP 101923 Sn 15 So 3 Nc 2
RArad 5.4073439062 DErad -0.2610089713 Plx 2.87 PmRA 2.62
PmDE -19.46 E RArad 0.56 E DErad 0.29 E Plx 0.65
E pmRA 0.7 E pmDE 0.54 Hpmag 5.2029 E Hpmag 0.0006
SHp 0.005 VA 0 BV -0.129 E BV 0.004
VI -0.12
 
 
20393-1457 B
 
 
Coord arcsec 2000 203916.32-145717.0 Coord calc 203916.34-145717.2 Mag 5.8 Mag composta 7.31
Spectral class B7III (blue-white) PmRA 2.00 PmDE -21.0 Calc delta mag 0.42
 
 
20393-1457 Bb
 
 
Coord arcsec 2000 203916.32-145717.0 Mag 9.3 Calc delta mag 3.92 Calc coord yes
 
 
20393-1457 C
 
 
Coord arcsec 2000 203905.71-145711.7 Mag 12.2 PmRA 2.00 PmDE -3.0
Calc delta mag 6.82 Calc coord yes