04220+2818 ITO 21 AC
04h 21m 58.84s +28° 18' 06.6" P.A. 152.00 sep 8.1 mag 7.01,16.73 Sp G5IV
Coord 2000 |
04220+2818 |
|
Discov num |
ITO 21 |
|
Comp |
AC |
|
Coord arcsec 2000 |
04 21 58.84 +28 18 06.6 |
|
Date first |
1997 |
|
Date last |
2011 |
|
Obs |
3 |
|
Pa first |
152 |
|
Pa last |
151.8 |
|
P.A. Now (θ) |
151.8° |
|
Sep first |
8.4 |
|
Sep last |
8.12 |
|
Sep. Now (ρ) |
8.12" |
|
Mag pri |
7.01 |
|
Mag sec |
16.73 |
|
delta mag (ΔM) |
9.72 |
|
Spectral class |
G5IV (yellow) |
|
Pri motion ra |
+007 |
|
Sec motion ra |
|
|
Pri motion dec |
-027 |
|
Sec motion dec |
|
|
Notes |
N
U
W
K
(See Notes, Proper motion indicates non-physical, , 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 not physical.
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 |
|
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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 AC : 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 |
AC |
2003 |
2 |
152 |
8.2 |
7.01 |
16.73 |
G5IV |
K |
042158.84+281806.6 |
04220+2818 |
ITO 21 |
AC |
2011 |
3 |
152 |
8.1 |
7.01 |
16.73 |
G5IV |
U 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 AC : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 04220+2818 ITO 21 AC : 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.
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WDS 04220+2818 : ALADIN DSS IMAGE @ 04h 21m 58.84s +28° 18' 06.6"
WDS 04220+2818 ITO 21 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 |
|
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 |
|
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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 |
|