04393+2221 LKCA 15 Aa,Ac
04h 39m 17.80s +22° 21' 03.5" P.A. 312.00 sep 0.1 mag 7.00,12.50 Sp K5+planet
Coord 2000
04393+2221
Discov num
LKCA 15
Comp
Aa,Ac
Coord arcsec 2000
04 39 17.80 +22 21 03.5
Date first
2014
Date last
2015
Obs
3
Pa first
316
Pa last
312
P.A. Now (θ)
312°
Sep first
0.1
Sep last
0.085
Sep. Now (ρ)
0.085"
Mag pri
7.00
Mag sec
12.50
delta mag (ΔM)
5.5
Spectral class
K5+planet (yellow-orange)
Pri motion ra
+006
Sec motion ra
Pri motion dec
+004
Sec motion dec
Notes
N
K
(See Notes, 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
Nature of this double is uncertain.
04393+2221 SYSTEM COMPONENTS
Show
name
SAO
coord
wds_name
last
obs
pa
sep
mag1
mag2
d_mag
orb
current
Show
04 39 18 +22 21 04
LKCA 15 Aa,Ab
2015
4
274
0.1
7.00
13.00
6.00
Show
04 39 18 +22 21 04
LKCA 15 Aa,Ac
2015
3
312
0.1
7.00
12.50
5.50
<===
Show
04 39 18 +22 21 04
LKCA 15 Aa,Ad
2014
1
14
0.1
7.00
13.00
6.00
Show
HD 284589
04 39 18 +22 21 04
KSA 25 AB
2016
5
184
28.1
10.79
12.05
1.26
Quintuple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation
Taurus
Tycho2
1278-00933-1
Gaia DR2
144936836795636864
HD
284589
WDS 04393+2221 LKCA 15 Aa,Ac : NOTES
discov_num
notes
refcode
LKCA 15
Sallum et al. (2015) resolve three planetary companions to LkCa 15.
Companion b has a best-fit orbital semi-major axis 14.7 +/- 2.1 au,
that of companion c is 18.6 +2.5/-2.7 au. Companion d is only seen in
the L' band, so less information can be gleaned.
Sll2015b
REFERENCES
refcode
metd
author
reference
Sll2015b
A j
Sallum, S., Follette, K. B., Eisner, J. A., Close, L. M., Hinz, P., Kratter, K.,
2015Nat...527..342S
Sll2015b
Males, J., Skemer, A., Macintosh, B., Tuthill, P., Bailey, V., Defrere, D., et al.
Sll2015b
Nature 527, 342, 2015
DISCOVERER
idgroup
discov
author
1
KSA
Kraus, A.L. & Hillenbrand, L.A.
13
KSA
Kraus, A.L., Ireland, M.J., Cieza, L.A., Hinkley, S., Dupuy, T.J.,
13
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
04393+2221
LKCA 15
Aa,Ac
2015
3
312
0.1
7.00
12.50
K5+planet
N K
043917.80+222103.5
If you need more information about this double, apply for a
data request form to the WDS.
WDS 04393+2221 LKCA 15 Aa,Ac : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 04393+2221 LKCA 15 Aa,Ac : MEASURES
No records found.
WDS 04393+2221 : VIRTUAL EYEPIECE
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
WDS 04393+2221 : ALADIN DSS IMAGE @ 04h 39m 17.80s +22° 21' 03.5"
DSS color
DSS blue
2MASS
AllWISE
GALEX
SDSS9
XMM
PanSTARRS
WDS 04393+2221 LKCA 15 Aa,Ac : NEIGHBORHOODS
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
04393+2221
KSA 25
AB
184
28.1
Show
04393+2221
LKCA 15
Aa,Ab
274
0.1
Show
04393+2221
LKCA 15
Aa,Ac
312
0.1
Show
04393+2221
LKCA 15
Aa,Ad
14
0.1
Show
04384+2241
LDS6137
305
85.0
24
Show
04393+2248
LEI 22
324
0.7
27
Show
04400+2155
J 2727
257
5.2
29
Show
04390+2149
LDS1183
AB
116
15.0
34
Show
04390+2149
JNN 262
AC
125
1.2
34
Show
04368+2237
LDS6135
56
3.2
39
Show
04417+2244
STF 579
40
16.4
41
Show
04400+2301
HU 442
110
0.2
41
Show
04368+2246
LDS6136
102
249.1
43
Show
04382+2302
KOH 17
92
9.3
44
Show
04426+2241
CVR 453
307
10.6
50
Show
04417+2302
KSA 29
AB
58
12.3
54
Show
04417+2302
TOD 1
Aa,Ab
121
0.1
54
Show
04417+2302
TOD 1
Ba,Bb
87
0.2
54
Show
04431+2227
KPP 23
28
16.1
54
Show
04395+2316
POU 471
228
3.1
55
Show
04422+2257
MCA 16
Aa,Ab
36
0.3
55
Show
04422+2257
S 455
AB
214
62.5
55
Show
04373+2132
LDS5579
263
75.6
56
Show
04353+2232
HER 23
105
7.1
57
Show
04358+2250
OCC9095
Aa,Ab
-1
0.0
57
Show
04359+2255
LEI 20
246
0.7
58
Show
04352+2232
LDS1177
254
4.3
58
Show
04359+2254
LEI 21
AB
243
10.1
58
Show
04359+2254
HAT 12
AC
297
21.4
58
Show
04359+2254
ITO 33
AD
174
8.3
58
Show
04359+2254
KSA 109
Ba,Bb
294
0.1
58
Show
04359+2254
HAT 12
BC
325
17.4
58
Show
04359+2254
OCC9096
Ca,Cb
-1
0.0
58
Show
04419+2308
POU 473
278
18.8
59
Show
04409+2123
LDS5584
98
26.9
63
Show
04353+2254
KSA 108
47
0.0
65
Show
04362+2132
OCC 888
-1
0.1
65
Show
04348+2242
STF 562
AB
285
1.8
67
Show
04348+2242
SKF2819
AC
291
182.3
67
Show
04387+2327
POU 469
281
16.0
67
Show
04427+2314
OCC 319
-1
0.1
71
Show
04439+2257
OCC 313
Ca,Cb
-1
0.1
73
Show
04427+2317
POU 475
332
16.3
74
Show
04381+2334
POU 468
140
16.1
76
Show
04359+2323
POU 463
17
8.6
79
Show
04401+2339
POU 472
309
13.2
79
Show
04444+2139
OCC 364
-1
0.1
83
Show
04369+2103
HU 305
AB
269
1.8
85
Show
04369+2103
FOX9004
AC
81
54.0
85
Show
04451+2249
LDS5592
151
96.4
86
Show
04416+2341
LDS6139
6
191.0
86
WDS 04393+2221 : COMPONENTS
A
Ab
Ac
Ad
Ab
pa=274.3°
sep=0.12"
Ac
pa=314.2°
sep=0.08"
pa=49.8°
sep=0.07"
Ad
pa=13.0°
sep=0.09"
pa=60.7°
sep=0.15"
pa=70.5°
sep=0.08"
B
pa=183.4°
sep=28.05"
pa=183.2°
sep=28.05"
pa=183.3°
sep=28.10"
pa=183.5°
sep=28.13"
04393+2221 A
Name
HD 284589
Coord arcsec 2000
043917.80+222103.5
Mag
10.79
Spectral class
K5 (yellow-orange)
PmRA
9.00
PmDE
5.0
Tycho2
1278-00933-1
HD
284589
Tycho2
1278-00933-1
Pflag
RAmdeg
69.82479570
DEmdeg
22.35860794
PmRA
6.5
PmDE
4.5
E RAmdeg
52
E DEmdeg
65
E pmRA
1.6
E pmDE
1.7
EpRAm
1980.07
EpDEm
1972.76
Num
3
Q RAmdeg
0.7
Q DEmdeg
0.2
Q pmRA
0.7
Q pmDE
0.2
BTmag
12.270
E BTmag
0.186
VTmag
10.937
E VTmag
0.080
Prox
277
TYC
HIP
CCDM
RAdeg
69.82477944
DEdeg
22.35859722
EpRA 1990
1.71
EpDE 1990
1.48
E RAdeg
54.6
E DEdeg
72.7
Posflg
Corr
-0.1
04393+2221 Ab
Coord arcsec 2000
043917.79+222103.5
Mag
13
Spectral class
planet
Calc delta mag
6
Calc coord
yes
04393+2221 Ac
Coord arcsec 2000
043917.80+222103.6
Mag
12.5
Spectral class
planet
Calc delta mag
5.5
Calc coord
yes
04393+2221 Ad
Coord arcsec 2000
043917.80+222103.6
Mag
13
Spectral class
planet
Calc delta mag
6
Calc coord
yes
04393+2221 B
Coord arcsec 2000
043917.68+222035.5
Mag
12.05
PmRA
-4.00
PmDE
-22.0
Tycho2
1278-00193-1
Calc delta mag
5.05
Calc coord
yes
Tycho2
1278-00193-1
Pflag
RAmdeg
69.82411152
DEmdeg
22.35090456
PmRA
8.3
PmDE
-14.8
E RAmdeg
103
E DEmdeg
126
E pmRA
2.6
E pmDE
2.8
EpRAm
1971.56
EpDEm
1961.69
Num
2
Q RAmdeg
Q DEmdeg
Q pmRA
Q pmDE
BTmag
13.268
E BTmag
0.404
VTmag
12.134
E VTmag
0.228
Prox
277
TYC
HIP
CCDM
RAdeg
69.82409056
DEdeg
22.35093944
EpRA 1990
1.70
EpDE 1990
1.51
E RAdeg
114.7
E DEdeg
150.9
Posflg
Corr
-0.1