21118+8121 LOC 571 AC
21h 11m 49.90s +81° 20' 39.8" P.A. 199.00 sep 2.1 mag 16.80,18.60
Coord 2000 |
21118+8121 |
|
Discov num |
LOC 571 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 11 49.90 +81 20 39.8 |
|
Date first |
2015 |
|
Date last |
2015 |
|
Obs |
1 |
|
Pa first |
199 |
|
Pa last |
199 |
|
P.A. Now (θ) |
199° |
|
Sep first |
2.1 |
|
Sep last |
2.065 |
|
Sep. Now (ρ) |
2.065" |
|
Mag pri |
16.80 |
|
Mag sec |
18.60 |
|
delta mag (ΔM) |
1.8 |
|
Spectral class |
|
|
Pri motion ra |
+047 |
|
Sec motion ra |
+046 |
|
Pri motion dec |
+067 |
|
Sec motion dec |
+067 |
|
Notes |
V
(Proper motion indicates physical) |
|
rPM=0.012 (< 0.3, Physical double)
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