21118+8121 LOC 571 BC
21h 11m 55.53s +81° 20' 40.4" P.A. 259.00 sep 13.6 mag 18.30,18.60
| Coord 2000 |
21118+8121 |
|
Discov num |
LOC 571 |
|
Comp |
BC |
|
Coord arcsec 2000 |
21 11 55.53 +81 20 40.4 |
|
| Date first |
1999 |
|
Date last |
2015 |
|
Obs |
6 |
|
| Pa first |
266 |
|
Pa last |
259.2 |
|
P.A. Now (θ) |
259.2° |
|
| Sep first |
12.9 |
|
Sep last |
13.628 |
|
Sep. Now (ρ) |
13.628" |
|
| Mag pri |
18.30 |
|
Mag sec |
18.60 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
|
|
| Pri motion ra |
+046 |
|
Sec motion ra |
+046 |
|
| Pri motion dec |
+067 |
|
Sec motion dec |
+067 |
|
| Notes |
V
(Proper motion indicates physical) |
|
This double is physical.
21118+8121 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 11 50 +81 20 40 |
LOC 571 AB |
2015 |
6 |
87 |
12.7 |
16.80 |
18.30 |
1.50 |
|
|
| Show |
|
|
21 11 50 +81 20 40 |
LOC 571 AC |
2015 |
1 |
199 |
2.1 |
16.80 |
18.60 |
1.80 |
|
|
| Show |
|
|
21 11 56 +81 20 40 |
LOC 571 BC |
2015 |
6 |
259 |
13.6 |
18.30 |
18.60 |
0.30 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
