04188+2820 KSA 104 AB

 
 
04h 18m 47.04s +28° 20' 07.3" P.A. 121.00 sep 0.0 mag 7.90,8.30 Sp K7
 
 
Coord 2000 04188+2820 Discov num KSA 104 Comp AB Coord arcsec 2000 04 18 47.04 +28 20 07.3
Date first 2007 Date last 2016 Obs 17
Pa first 106 Pa last 121.2 P.A. Now (θ) 174.2°
Sep first 0.0 Sep last 0.035 Sep. Now (ρ) 0.065"
Mag pri 7.90 Mag sec 8.30 delta mag (ΔM) 0.4 Spectral class K7 (yellow-orange)
Pri motion ra +007 Sec motion ra
Pri motion dec -023 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.
 
 
04188+2820 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 04 18 47 +28 20 07 KSA 104 AB 2016 17 121 0.0 7.90 8.30 0.40 Y <===
Show 04 18 47 +28 20 07 ITO 19 AC 2003 1 234 5.7 7.64 19.90 12.26
Show 04 18 47 +28 20 07 ITO 19 AD 2003 1 138 5.3 7.64 19.24 11.60
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Taurus Gaia DR2 164513538249595136
 
 
ORBITAL ELEMENTS
 
 
Period (P)3392d (9.289999999999999y)± 1.3 Periastron (T)54703d (2008.648y)± 0.7 Semi-major axis (a)41.64m± 0.06
Eccentricity (e)0.68± 0.001 Inclination (i)159.2°± 0.3 Longitude of periastron (ω)68.4°± 0.7
Node (Ω)65.7°± 0.8 Notesn ReferenceRiz2020
Equinox Last observation2016 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000-01-01 253.5 0.026
2001-01-01 218.0 0.047
2002-01-01 201.5 0.058
2003-01-01 189.4 0.064
2004-01-01 178.7 0.066
2005-01-01 167.8 0.063
2006-01-01 155.1 0.057
2007-01-01 137.2 0.045
2008-01-01 99.4 0.026
2009-01-01 280.2 0.019
2010-01-01 224.8 0.042
2011-01-01 205.5 0.056
2012-01-01 192.6 0.063
2013-01-01 181.7 0.066
2014-01-01 171.0 0.065
2015-01-01 159.1 0.059
2016-01-01 143.3 0.049
2017-01-01 114.9 0.032
2018-01-01 339.8 0.013
2019-01-01 233.4 0.036
2020-01-01 210.1 0.052
2021-01-01 196.0 0.062
2022-01-01 184.8 0.066
2023-01-01 174.2 0.065
2024-01-01 162.8 0.061
2025-01-01 148.5 0.052
2026-01-01 125.7 0.038
2027-01-01 52.4 0.016
2028-01-01 245.5 0.030
2029-01-01 215.2 0.049
2030-01-01 199.6 0.060


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



 
 


wds04188%2B2820a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS 04188+2820 KSA 104 AB : NOTES
 
 
discov_num notes refcode
KSA 104 Primary is variable star V1023 Tau.
 
 
REFERENCES
 
 
refcode metd author reference
Riz2020 Am+ j Rizzuto, A.C., Dupuy, T.J., Ireland, M.J. & Kraus, A.L. 2020ApJ...889..175R
Riz2020 +H3+ ApJ 889, 175, 2020
Riz2020 +orb
Riz2020 +not
 
 
DISCOVERER
 
 
idgroup discov author
1 ITO Itoh, Y., Tamura, M., & Nakajima, T.
2 ITO Itoh, Y., Hayashi, M., Tamura, M., Tsuji, T., Oasa, Y., Fukagawa, M.,
2 ITO Hayashi, S.S., Naoi, T., Ishii, M., Mayama, S., Morino, J., Yamashita, T., et al.
3 ITO Itoh, Y., Tamura, M., Hayashi, M., Oasa, Y., Hayashi, S.S., Fukagawa, M.,
3 ITO Kudo, T., Mayama, S., Ishii, M., Pyo, T.-S., Yamashita, T., & Morino, J.
8 ITO Itoh, Y., Oasa, Y., Funayama, H., Hayashi, M., Fukagawa, M., Hashiguchi, T., &
8 ITO Currie, T.
9 KSA Kraus, A.L. & Hillenbrand, L.A.
21 KSA Kraus, A.L., Ireland, M.J., Cieza, L.A., Hinkley, S., Dupuy, T.J.,
21 KSA Bowler, B.P., & Liu, M.C.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
04188+2820 KSA 104 AB 2007 1 106 0.0 7.90 8.30 K7 N K 041847.04+282007.3
04188+2820 KSA 104 AB 2016 17 121 0.0 7.90 8.30 K7 NO K 041847.04+282007.3

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

 
 
WDS 04188+2820 KSA 104 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 04188+2820 KSA 104 AB : MEASURES
 
 
No records found.

 
 
WDS 04188+2820 : VIRTUAL EYEPIECE
 
 

04188+2820 KSA 104A mag 7.9 Sp K7 04188+2820 KSA 104B mag 8.3 04188+2820 ITO  19C sep 5.2 P.A. 230.70 mag 19.9 04188+2820 ITO  19D sep 5.0 P.A. 141.20 mag 19.24 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 04188+2820 : ALADIN DSS IMAGE @ 04h 18m 47.04s +28° 20' 07.3"
 
 
 
 
WDS 04188+2820 KSA 104 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


04188+2820  KSA 104AB distance=0' 04188+2821  KSA  10 distance=1' 04189+2820  PAD  26 distance=2' 04187+2819  SKW   2Aa,Ab distance=2' 04187+2819  SKN   1AB distance=2' 04190+2820  KSA  12 distance=4' 04190+2823  KSA  13 distance=5' 04185+2817  LEI   9Ba,Bb distance=5' 04185+2817  GHE   5Aa,Ab distance=6' 04185+2817  HAT   4AB distance=6' 04185+2828  GHE   4EI distance=8' 04190+2812  KSA  11AB distance=9' 04190+2812  DCH  48AC distance=9' 04194+2826  LEI  11 distance=11' 04186+2831  KSA   9 distance=11' 04192+2830  LEI  10 distance=12' 04195+2808  DAE  23AB distance=15' 04195+2808  DAE  23AC distance=15' 04195+2808  DAE  23AD distance=15' 04195+2808  DAE  23AE distance=15' 04178+2830  KSA   8 distance=16' 04176+2833  SAR   2AB distance=20' 04176+2833  SAR   2A,Ca distance=20' 04176+2833  SAR   2A,Cb distance=20' 04176+2833  KSA 103Aa,Ab distance=20' 04197+2750  LEI  12 distance=33' 04165+2808  KSA   7AB distance=34' 04165+2808  ITO  18AC distance=34' 04157+2819  KSA 130 distance=42' 04220+2818  ITO  21AB distance=43' 04220+2818  ITO  21AC distance=43' 04220+2818  ITO  21AD distance=43' 04220+2826  ISM   1AB distance=43' 04220+2826  ITO  22AC distance=43' 04163+2752  KSA   6AC distance=43' 04221+2826  KSA 105AB distance=44' 04221+2826  DAE  24AC distance=44' 04193+2906  ITO  20FI distance=47' 04193+2906  ITO  20FJ distance=47' 04192+2729  KPP2041 distance=52' 04148+2813  GHE   2Aa,Ab distance=53' 04148+2813  KSA   5AB distance=53' 04192+2914  TVB  69 distance=55' 04229+2824  STF 529AB distance=55' 04229+2824  KSA 131AC distance=55' 04172+2913  CVR  48 distance=57' 04197+2915  DBR 331 distance=57' 04144+2806  KSA   4BC distance=60' 04144+2806  BRC   2AB distance=60' 04148+2753  GHE   3 distance=60' 04142+2813  KSA   3BC distance=61' 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 04188+2820 KSA 104 AB 121 0.0
Show 04188+2820 ITO 19 AC 234 5.7
Show 04188+2820 ITO 19 AD 138 5.3
Show 04188+2821 KSA 10 115 23.1 1
Show 04189+2820 PAD 26 111 0.2 2
Show 04187+2819 SKW 2 Aa,Ab 61 0.1 2
Show 04187+2819 SKN 1 AB 23 4.0 2
Show 04190+2820 KSA 12 34 26.7 4
Show 04190+2823 KSA 13 48 13.3 5
Show 04185+2817 LEI 9 Ba,Bb 89 0.4 5
Show 04185+2817 GHE 5 Aa,Ab 177 0.6 6
Show 04185+2817 HAT 4 AB 11 30.0 6
Show 04185+2828 GHE 4 EI 142 0.3 8
Show 04190+2812 KSA 11 AB 28 25.7 9
Show 04190+2812 DCH 48 AC 248 28.8 9
Show 04194+2826 LEI 11 172 10.0 11
Show 04186+2831 KSA 9 106 17.3 11
Show 04192+2830 LEI 10 63 0.7 12
Show 04195+2808 DAE 23 AB 228 2.0 15
Show 04195+2808 DAE 23 AC 93 6.6 15
Show 04195+2808 DAE 23 AD 244 6.7 15
Show 04195+2808 DAE 23 AE 227 9.3 15
Show 04178+2830 KSA 8 137 27.7 16
Show 04176+2833 SAR 2 AB 290 18.2 20
Show 04176+2833 SAR 2 A,Ca 121 14.6 20
Show 04176+2833 SAR 2 A,Cb 118 14.3 20
Show 04176+2833 KSA 103 Aa,Ab 61 0.0 20
Show 04197+2750 LEI 12 24 1.0 33
Show 04165+2808 KSA 7 AB 155 8.5 34
Show 04165+2808 ITO 18 AC 111 8.8 34
Show 04157+2819 KSA 130 89 2.6 42
Show 04220+2818 ITO 21 AB 56 5.7 43
Show 04220+2818 ITO 21 AC 152 8.1 43
Show 04220+2818 ITO 21 AD 14 6.5 43
Show 04220+2826 ISM 1 AB 158 0.0 43
Show 04220+2826 ITO 22 AC 121 10.6 43
Show 04163+2752 KSA 6 AC 219 27.9 43
Show 04221+2826 KSA 105 AB 114 0.0 44
Show 04221+2826 DAE 24 AC 315 11.0 44
Show 04193+2906 ITO 20 FI 261 3.0 47
Show 04193+2906 ITO 20 FJ 8 5.5 47
Show 04192+2729 KPP2041 41 16.3 52
Show 04148+2813 GHE 2 Aa,Ab 253 0.1 53
Show 04148+2813 KSA 5 AB 251 26.1 53
Show 04192+2914 TVB 69 239 2.8 55
Show 04229+2824 STF 529 AB 13 4.3 55
Show 04229+2824 KSA 131 AC 28 1.3 55
Show 04172+2913 CVR 48 70 11.5 57
Show 04197+2915 DBR 331 207 5.7 57
Show 04144+2806 KSA 4 BC 280 24.8 60
Show 04144+2806 BRC 2 AB 154 4.0 60

 
 
WDS 04188+2820 : COMPONENTS
 
 
  A B C
B pa=124.5°
sep=0.03"
 
C pa=230.7°
sep=5.25"
pa=231.0°
sep=5.26"
 
D pa=141.2°
sep=5.01"
pa=141.3°
sep=4.98"
pa=94.6°
sep=7.22"
 
 
04188+2820 A
 
 
Coord arcsec 2000 041847.04+282007.3 Mag 7.9 Spectral class K7 (yellow-orange) PmRA 7.00
PmDE -23.0
 
 
04188+2820 B
 
 
Coord arcsec 2000 041847.04+282007.3 Mag 8.3 Calc delta mag 0.4 Calc coord yes
 
 
04188+2820 C
 
 
Coord arcsec 2000 041846.73+282004.0 Mag 19.9 Calc delta mag 12 Calc coord yes
 
 
04188+2820 D
 
 
Coord arcsec 2000 041847.28+282003.4 Mag 19.24 Calc delta mag 11.34 Calc coord yes