04220+2826 ISM 1 AB
04h 21m 57.40s +28° 26' 35.8" P.A. 158.00 sep 0.0 mag 10.20,11.30 Sp F8: dist. 192.31 pc (627.32 l.y.)
| Coord 2000 |
04220+2826 |
|
Discov num |
ISM 1 |
|
Comp |
AB |
|
Coord arcsec 2000 |
04 21 57.40 +28 26 35.8 |
|
| Date first |
1981 |
|
Date last |
1988 |
|
Obs |
2 |
|
| Pa first |
92 |
|
Pa last |
158 |
|
P.A. Now (θ) |
158° |
|
| Sep first |
0.0 |
|
Sep last |
0.042 |
|
Sep. Now (ρ) |
0.042" |
|
| Mag pri |
10.20 |
|
Mag sec |
11.30 |
|
delta mag (ΔM) |
1.1 |
|
Spectral class |
F8: (yellow-white) |
|
| Pri motion ra |
+009 |
|
Sec motion ra |
|
|
| Pri motion dec |
-032 |
|
Sec motion dec |
|
|
| Notes |
N
W
(See Notes, ) |
|
Nature of this double is uncertain.
04220+2826 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
04 21 57 +28 26 36 |
ISM 1 AB |
1988 |
2 |
158 |
0.0 |
10.20 |
11.30 |
1.10 |
|
<=== |
| Show |
RY Tau |
|
04 21 57 +28 26 36 |
ITO 22 AC |
2015 |
6 |
121 |
10.6 |
6.13 |
13.54 |
7.41 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
RY Tau |
|
Constellation |
Taurus |
|
HIP |
20387 |
|
Tycho2 |
1828-00129-1 |
|
| Gaia DR2 |
164551162164119424 |
|
HD |
283571 |
|
BD |
BD+28 645 |
|
Distance |
192.31 |
|
| Distance ly |
627.32 |
|
