04220+2818 ITO 21 AD
04h 21m 58.84s +28° 18' 06.6" P.A. 14.00 sep 6.5 mag 7.01,17.73 Sp G5IV
| Coord 2000 |
04220+2818 |
|
Discov num |
ITO 21 |
|
Comp |
AD |
|
Coord arcsec 2000 |
04 21 58.84 +28 18 06.6 |
|
| Date first |
1997 |
|
Date last |
2011 |
|
Obs |
3 |
|
| Pa first |
16 |
|
Pa last |
14.2 |
|
P.A. Now (θ) |
14.2° |
|
| Sep first |
6.1 |
|
Sep last |
6.53 |
|
Sep. Now (ρ) |
6.53" |
|
| Mag pri |
7.01 |
|
Mag sec |
17.73 |
|
delta mag (ΔM) |
10.72 |
|
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 |
|
|
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 AD : 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 |
AD |
2003 |
2 |
16 |
6.3 |
7.01 |
17.73 |
G5IV |
K |
042158.84+281806.6 |
| 04220+2818 |
ITO 21 |
AD |
2011 |
3 |
14 |
6.5 |
7.01 |
17.73 |
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 AD : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 04220+2818 ITO 21 AD : 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 @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.
