21011+3315 JNN 288 BC
21h 01m 20.63s +33° 14' 27.9" P.A. 34.00 sep 0.1 mag 13.10,14.00 Sp M4V
| Coord 2000 |
21011+3315 |
|
Discov num |
JNN 288 |
|
Comp |
BC |
|
Coord arcsec 2000 |
21 01 20.63 +33 14 27.9 |
|
| Date first |
2012 |
|
Date last |
2012 |
|
Obs |
1 |
|
| Pa first |
34 |
|
Pa last |
34 |
|
P.A. Now (θ) |
34° |
|
| Sep first |
0.1 |
|
Sep last |
0.142 |
|
Sep. Now (ρ) |
0.142" |
|
| Mag pri |
13.10 |
|
Mag sec |
14.00 |
|
delta mag (ΔM) |
0.9 |
|
Spectral class |
M4V (red) |
|
| Pri motion ra |
+307 |
|
Sec motion ra |
|
|
| Pri motion dec |
-128 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
21011+3315 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 01 16 +33 14 33 |
LDS 1049 AB |
2015 |
9 |
95 |
56.6 |
12.20 |
13.10 |
0.90 |
|
|
| Show |
|
|
21 01 16 +33 14 33 |
LDT 18 AD |
2018 |
3 |
355 |
0.3 |
12.10 |
14.10 |
2.00 |
|
|
| Show |
|
|
21 01 21 +33 14 28 |
JNN 288 BC |
2012 |
1 |
34 |
0.1 |
13.10 |
14.00 |
0.90 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
