04226+2538 ITO 23 BD
04h 22m 35.53s +25° 38' 03.3" P.A. 227.00 sep 11.0 mag 6.94,13.29 Sp F8V
Coord 2000
04226+2538
Discov num
ITO 23
Comp
BD
Coord arcsec 2000
04 22 35.53 +25 38 03.3
Date first
2003
Date last
2003
Obs
1
Pa first
227
Pa last
226.7
P.A. Now (θ)
226.7°
Sep first
11.0
Sep last
10.96
Sep. Now (ρ)
10.96"
Mag pri
6.94
Mag sec
13.29
delta mag (ΔM)
6.35
Spectral class
F8V (yellow-white)
Pri motion ra
+032
Sec motion ra
Pri motion dec
+003
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.
04226+2538 SYSTEM COMPONENTS
Show
name
SAO
coord
wds_name
last
obs
pa
sep
mag1
mag2
d_mag
orb
current
Show
Chi Tau
76573
04 22 35 +25 37 46
STF 528 AB
2016
80
25
19.4
5.37
8.54
3.17
Show
04 22 36 +25 38 03
ITO 23 BC
2015
5
245
11.6
6.94
12.54
5.60
Show
04 22 36 +25 38 03
ITO 23 BD
2003
1
227
11.0
6.94
13.29
6.35
<===
Show
04 22 36 +25 38 03
ITO 23 BE
2003
1
264
10.6
6.94
14.96
8.02
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation
Taurus
Gaia DR2
150461092453290240
WDS 04226+2538 ITO 23 BD : NOTES
discov_num
notes
refcode
STF 528
chi Tau = 59 Tau
H 4 10.
MEv2010
The secondary is SB2 (F8+G6), with period 17.6 days for Ba,Bb; RV
residuals indicate the presence of a more distant Bc companion. Based
on spectroscopic observations obtained at CfA 1988-2004, Torres (2006)
derived an orbit for Bab,Bc with period 9.447 +/- 0.017 yr. Mass for
the A component is determined to be 2.60 +/- 0.5 Msun. Inclination
angle for the Ba,Bb orbit is 53.5 +/- 0.5deg, yielding masses 1.19 and
1.02 Msun for Ba and Bb. Bc appears to be over-massive; based on
infrared excess this could be well explained as an equal-mass binary
composed of late-type stars of masses ~0.70 Msun (spectral type ~K4).
Total mass of B is 3.6 Msun. Torres estimates the Bab,Bc semi-major
axis at about 83.6 mas and the magnitude difference dV~3.3mag
(dK~1.5mag), making the pair potentially resolvable by speckle
interferometry.
Trr2006b
REFERENCES
refcode
metd
author
reference
MEv2010
-
MacEvoy, B.
...................
MEv2010
private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
Trr2006b
X -
Torres, G.
2006AJ....131.1702T
Trr2006b
+orb
AJ 131, 1702, 2006
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
STF
Struve, F.G.W.
WDS HISTORIC DATA
coord_2000
discov_num
comp
epoch
obs
pa
sep
mag_pri
mag_sec
spectr
notes
coord_arcsec_2000
04226+2538
ITO 23
BD
2003
1
227
11.0
6.94
13.29
F8V
N K
042235.53+253803.3
If you need more information about this double, apply for a
data request form to the WDS.
WDS 04226+2538 ITO 23 BD : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 04226+2538 ITO 23 BD : MEASURES
No records found.
WDS 04226+2538 : 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 04226+2538 : ALADIN DSS IMAGE @ 04h 22m 35.53s +25° 38' 03.3"
DSS color
DSS blue
2MASS
AllWISE
GALEX
SDSS9
XMM
PanSTARRS
WDS 04226+2538 ITO 23 BD : 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
04226+2538
ITO 23
BC
245
11.6
Show
04226+2538
ITO 23
BD
227
11.0
Show
04226+2538
ITO 23
BE
264
10.6
Show
04226+2538
STF 528
AB
25
19.4
1
Show
04220+2538
DAM 761
277
20.6
9
Show
04219+2538
LDS1165
292
34.3
10
Show
04236+2543
LDS5550
64
8.6
14
Show
04236+2520
LDS1167
197
3.0
23
Show
04233+2516
POU 444
344
15.6
25
Show
04246+2556
LDS5552
265
170.5
32
Show
04252+2545
TOK 247
271
43.0
36
Show
04236+2503
MTZ 2
123
5.7
38
Show
04243+2506
POU 447
151
11.4
39
Show
04257+2545
LDS5557
269
163.1
43
Show
04247+2610
KSA 17
338
27.8
44
Show
04237+2456
ITO 25
245
2.5
45
Show
04237+2450
POU 445
226
4.4
51
Show
04202+2457
POU 439
17
17.3
54
Show
04253+2618
COR 2
Ba,Bb
158
0.1
54
Show
04253+2618
COR 2
Aa,Ab
75
0.2
54
Show
04253+2618
WHT 1
AB
234
3.4
54
Show
04271+2542
THB 1
183
0.1
61
Show
04181+2538
LDS1163
AB
337
9.3
62
Show
04222+2641
LDS5547
134
59.5
63
Show
04269+2607
LEI 2
AB
274
0.7
65
Show
04269+2607
CHN 2
AB,C
105
12.1
65
Show
04269+2607
HAT 5
AB,D
117
57.4
65
Show
04269+2607
SMN 10
Ca,Cb
294
0.6
66
Show
04271+2606
KSA 19
AB
235
16.1
67
Show
04271+2606
LOO 5
AC
211
53.9
67
Show
04278+2525
OCC9090
-1
0.0
72
Show
04248+2643
KOH 10
Ba,Bb
135
0.2
72
Show
04248+2643
KOH 10
Aa,Ab
320
0.5
72
Show
04248+2643
KOH 10
Aa,Ba
158
7.9
72
Show
04248+2643
KU 84
AC
296
13.2
72
Show
04206+2429
COU 704
AB
83
1.9
74
Show
04206+2429
POU 442
AC
278
8.2
74
Show
04174+2559
LDS5533
89
157.0
74
Show
04181+2621
TDS2814
13
1.9
75
Show
04223+2655
KSA 16
152
23.1
78
Show
04170+2557
LDS1160
163
4.0
79
Show
04245+2424
POU 449
285
6.0
80
Show
04192+2433
POU 435
223
16.7
80
Show
04220+2658
SMN 9
AB
110
0.3
80
Show
04220+2658
KSA 15
AC
277
19.8
80
Show
04269+2444
REP 114
Aa,Ab
283
0.3
81
Show
04269+2444
DCH 51
AB
320
22.1
81
Show
04201+2652
LDS5539
112
113.7
82
Show
04240+2418
BAG 13
Ba,Bb
110
0.0
82
Show
04240+2418
STF 534
BC
338
110.7
82
Show
04240+2418
STF 534
AB
291
29.1
83
WDS 04226+2538 : COMPONENTS
A
B
C
D
B
pa=24.1°
sep=19.51"
C
pa=353.3°
sep=12.88"
pa=242.1°
sep=10.72"
D
pa=4.4°
sep=10.31"
pa=223.7°
sep=10.40"
pa=137.7°
sep=3.39"
E
pa=354.9°
sep=16.69"
pa=262.9°
sep=9.53"
pa=0.3°
sep=3.84"
pa=340.4°
sep=6.73"
04226+2538 A
Name
Chi Tau
Coord arcsec 2000
042234.94+253745.5
Mag
5.37
Spectral class
B9Vnn (blue-white)
PmRA
20.00
PmDE
-17.0
SAO
76573
HIP
20430
Tycho2
1820-01416-1
HD
27638
HR
1369
GC
5292
BD
BD+25 707
Bayer
Chi Tauri
Bayer name
Chi
Flamsteed
59 Tauri
Flamsteed name
59 Tau
Tycho2
1820-01416-1
Pflag
RAmdeg
65.64559588
DEmdeg
25.62931476
PmRA
19.6
PmDE
-17.3
E RAmdeg
4
E DEmdeg
4
E pmRA
0.8
E pmDE
0.8
EpRAm
1991.30
EpDEm
1991.06
Num
23
Q RAmdeg
0.8
Q DEmdeg
0.8
Q pmRA
0.6
Q pmDE
0.6
BTmag
5.339
E BTmag
0.014
VTmag
5.372
E VTmag
0.009
Prox
194
TYC
T
HIP
20430
CCDM
RAdeg
65.64554639
DEdeg
25.62935556
EpRA 1990
1.77
EpDE 1990
1.50
E RAdeg
3.5
E DEdeg
3.9
Posflg
Corr
-0.1
SAO
76573
DelFlag
RA1950
PmRA1950
0.0013
DE1950
PmDE1950
-0.021
Vmag
5.4
SpType
B9
Double code
Source
70
CatNum
5292
DM
BD+25 707
DMcomp
BDsup
HD
27638
M HD
0
GC
5292
RA1950rad
1.13243353
DE1950rad
0.44528618
PmRA2000
0.0012
PmDE2000
-0.023
Catalog
H
HIP
20430
Proxy
RAhms
04 22 34.93
DEdms
+25 37 45.7
Vmag
5.38
VarFlag
1
R Vmag
H
RAdeg
65.6455
DEdeg
25.6294
AstroRef
Plx
12.19
CCDM
04226+2538
N CCDM
I
Nsys
1
Ncomp
1
MultFlag
Source
Qual
S
M HIP
Theta
Rho
HD
27638
BD
BD+25 707
CD
CP
Dm number
+25 707
VIred
-0.02
SpType
B9V
R SpType
Coord arcsec 2000
042234.93+253745.7
HIP
20430
Sn
5
So
0
Nc
1
RArad
1.1457308677
DErad
0.4473166785
Plx
11.2
PmRA
19.42
PmDE
-17.16
E RArad
0.24
E DErad
0.15
E Plx
0.27
E pmRA
0.28
E pmDE
0.19
Hpmag
5.3693
E Hpmag
0.0023
SHp
0.013
VA
2
BV
-0.041
E BV
0.008
VI
-0.02
Ccdm
04226+2538
RComp
Comp
A
Note1
Note2
Discov num
DRAs
-1.04
DDEs
-14.1
R dRAs
10
Year
Theta
Rho
Obs
2
Vmag
5.5
Sp
B9
PmNote
*
PmRA
29
PmDE
-11
Dm number
+25 707
Cat1
BD
Name2
+25 420
Cat2
AGK2/3
HD
27638
M HD
ADS BDS
A 3161
M ADS BDS
N IDS
IDS
04165N2524A
HIC
20430
04226+2538 B
Coord arcsec 2000
042235.53+253803.3
Coord calc
042235.53+253803.3
Mag
6.94
Spectral class
F8V (yellow-white)
PmRA
32.00
PmDE
3.0
Calc delta mag
1.57
Ccdm
04226+2538
RComp
Comp
B
Note1
Note2
Discov num
STF 528
DRAs
-0.45
DDEs
3.5
R dRAs
91
Year
1830
Theta
024
Rho
19.4
Obs
20
Vmag
7.6
Sp
PmNote
*
PmRA
29
PmDE
-11
Dm number
Cat1
Name2
+25 421
Cat2
AGK2/3
HD
M HD
ADS BDS
A 3161
M ADS BDS
N IDS
IDS
04165N2524B
HIC
04226+2538 C
Coord arcsec 2000
042234.83+253758.3
Mag
12.54
Calc delta mag
7.17
Calc coord
yes
04226+2538 D
Coord arcsec 2000
042235.00+253755.8
Mag
13.29
Calc delta mag
7.92
Calc coord
yes
04226+2538 E
Coord arcsec 2000
042234.83+253802.1
Mag
14.96
Calc delta mag
9.59
Calc coord
yes