04220+2818 ITO 21 AB
04h 21m 58.84s +28° 18' 06.6" P.A. 56.00 sep 5.7 mag 7.01,15.87 Sp G5IV
Coord 2000
04220+2818
Discov num
ITO 21
Comp
AB
Coord arcsec 2000
04 21 58.84 +28 18 06.6
Date first
1997
Date last
2003
Obs
2
Pa first
57
Pa last
56
P.A. Now (θ)
56°
Sep first
5.6
Sep last
5.68
Sep. Now (ρ)
5.68"
Mag pri
7.01
Mag sec
15.87
delta mag (ΔM)
8.86
Spectral class
G5IV (yellow)
Pri motion ra
+007
Sec motion ra
Pri motion dec
-027
Sec motion dec
Notes
N
W
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.
04220+2818 SYSTEM COMPONENTS
Show
name
SAO
coord
wds_name
last
obs
pa
sep
mag1
mag2
d_mag
orb
current
Show
04 21 59 +28 18 07
ITO 21 AB
2003
2
56
5.7
7.01
15.87
8.86
<===
Show
04 21 59 +28 18 07
ITO 21 AC
2011
3
152
8.1
7.01
16.73
9.72
Show
04 21 59 +28 18 07
ITO 21 AD
2011
3
14
6.5
7.01
17.73
10.72
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation
Taurus
Gaia DR2
164536250037820160
WDS 04220+2818 ITO 21 AB : NOTES
discov_num
notes
refcode
ITO 21
V987 Tau. Member of Taurus-Auriga molecular cloud.
Dae2015
REFERENCES
refcode
metd
author
reference
Dae2015
A j
Daemgen, S., Bonavita, M., Jayawardhana, R., Lafreniere, D., & Janson, M.
2015ApJ...799..155D
Dae2015
ApJ 799, 155, 2015
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.
WDS HISTORIC DATA
coord_2000
discov_num
comp
epoch
obs
pa
sep
mag_pri
mag_sec
spectr
notes
coord_arcsec_2000
04220+2818
ITO 21
AB
2003
2
56
5.7
7.01
15.87
G5IV
K
042158.84+281806.6
If you need more information about this double, apply for a
data request form to the WDS.
WDS 04220+2818 ITO 21 AB : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 04220+2818 ITO 21 AB : MEASURES
No records found.
WDS 04220+2818 : 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 04220+2818 : ALADIN DSS IMAGE @ 04h 21m 58.84s +28° 18' 06.6"
DSS color
DSS blue
2MASS
AllWISE
GALEX
SDSS9
XMM
PanSTARRS
WDS 04220+2818 ITO 21 AB : 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
04220+2818
ITO 21
AB
56
5.7
1
Show
04220+2818
ITO 21
AC
152
8.1
1
Show
04220+2818
ITO 21
AD
14
6.5
1
Show
04221+2826
KSA 105
AB
114
0.0
8
Show
04221+2826
DAE 24
AC
315
11.0
8
Show
04220+2826
ISM 1
AB
158
0.0
9
Show
04220+2826
ITO 22
AC
121
10.6
9
Show
04229+2824
STF 529
AB
13
4.3
14
Show
04229+2824
KSA 131
AC
28
1.3
14
Show
04194+2826
LEI 11
172
10.0
35
Show
04195+2808
DAE 23
AB
228
2.0
35
Show
04195+2808
DAE 23
AC
93
6.6
35
Show
04195+2808
DAE 23
AD
244
6.7
35
Show
04195+2808
DAE 23
AE
227
9.3
35
Show
04192+2830
LEI 10
63
0.7
39
Show
04239+2749
TOK 484
199
311.0
39
Show
04190+2820
KSA 12
34
26.7
40
Show
04190+2823
KSA 13
48
13.3
40
Show
04190+2812
KSA 11
AB
28
25.7
41
Show
04190+2812
DCH 48
AC
248
28.8
41
Show
04189+2820
PAD 26
111
0.2
42
Show
04197+2750
LEI 12
24
1.0
42
Show
04188+2820
KSA 104
AB
121
0.0
43
Show
04188+2820
ITO 19
AC
234
5.7
43
Show
04188+2820
ITO 19
AD
138
5.3
43
Show
04188+2821
KSA 10
115
23.1
43
Show
04187+2819
SKW 2
Aa,Ab
61
0.1
44
Show
04187+2819
SKN 1
AB
23
4.0
44
Show
04185+2817
LEI 9
Ba,Bb
89
0.4
46
Show
04185+2817
GHE 5
Aa,Ab
177
0.6
46
Show
04185+2817
HAT 4
AB
11
30.0
46
Show
04185+2828
GHE 4
EI
142
0.3
47
Show
04186+2831
KSA 9
106
17.3
47
Show
04178+2830
KSA 8
137
27.7
56
Show
04176+2833
SAR 2
AB
290
18.2
60
Show
04176+2833
SAR 2
A,Ca
121
14.6
60
Show
04176+2833
SAR 2
A,Cb
118
14.3
60
Show
04176+2833
KSA 103
Aa,Ab
61
0.0
60
Show
04193+2906
ITO 20
FI
261
3.0
61
Show
04193+2906
ITO 20
FJ
8
5.5
61
Show
04204+2721
SHJ 40
AB
259
48.7
61
Show
04204+2721
WAL 29
AC
25
118.1
61
Show
04192+2729
KPP2041
41
16.3
62
Show
04258+2855
HJ 343
AB
125
24.8
64
Show
04258+2855
HJ 343
AC
127
38.8
64
Show
04258+2855
HJ 343
AD
92
61.8
64
Show
04258+2855
ABH 23
AE
286
82.5
64
Show
04197+2915
DBR 331
207
5.7
65
Show
04239+2719
LDS6128
88
103.2
66
Show
04192+2914
TVB 69
239
2.8
67
Show
04200+2710
CON 5
107
0.2
74
WDS 04220+2818 : COMPONENTS
A
B
C
B
pa=52.5°
sep=5.22"
C
pa=154.7°
sep=7.91"
pa=184.2°
sep=10.36"
D
pa=12.6°
sep=6.49"
pa=319.1°
sep=4.18"
pa=351.7°
sep=13.63"
04220+2818 A
Coord arcsec 2000
042158.84+281806.6
Mag
7.01
Spectral class
G5IV (yellow)
PmRA
7.00
PmDE
-27.0
04220+2818 B
Coord arcsec 2000
042159.15+281809.8
Mag
15.87
Calc delta mag
8.86
Calc coord
yes
04220+2818 C
Coord arcsec 2000
042159.10+281759.4
Mag
16.73
Calc delta mag
9.72
Calc coord
yes
04220+2818 D
Coord arcsec 2000
042158.95+281812.9
Mag
17.73
Calc delta mag
10.72
Calc coord
yes