21011+3315 LDT 18 AD
21h 01m 16.12s +33° 14' 32.8" P.A. 355.00 sep 0.3 mag 12.10,14.10 Sp M4V
Coord 2000 |
21011+3315 |
|
Discov num |
LDT 18 |
|
Comp |
AD |
|
Coord arcsec 2000 |
21 01 16.12 +33 14 32.8 |
|
Date first |
2017 |
|
Date last |
2018 |
|
Obs |
3 |
|
Pa first |
349 |
|
Pa last |
355.2 |
|
P.A. Now (θ) |
355.2° |
|
Sep first |
0.3 |
|
Sep last |
0.287 |
|
Sep. Now (ρ) |
0.287" |
|
Mag pri |
12.10 |
|
Mag sec |
14.10 |
|
delta mag (ΔM) |
2 |
|
Spectral class |
M4V (red) |
|
Pri motion ra |
+326 |
|
Sec motion ra |
|
|
Pri motion dec |
-164 |
|
Sec motion dec |
|
|
Notes |
R
(Red magnitudes) |
|
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