21185+3037 FYM 538 BC
21h 18m 48.41s +30° 37' 17.2" P.A. 218.00 sep 5.7 mag 13.00,16.10
Coord 2000 |
21185+3037 |
|
Discov num |
FYM 538 |
|
Comp |
BC |
|
Coord arcsec 2000 |
21 18 48.41 +30 37 17.2 |
|
Date first |
1997 |
|
Date last |
2015 |
|
Obs |
4 |
|
Pa first |
222 |
|
Pa last |
218.4 |
|
P.A. Now (θ) |
218.4° |
|
Sep first |
5.9 |
|
Sep last |
5.665 |
|
Sep. Now (ρ) |
5.665" |
|
Mag pri |
13.00 |
|
Mag sec |
16.10 |
|
delta mag (ΔM) |
3.1 |
|
Spectral class |
|
|
Pri motion ra |
-016 |
|
Sec motion ra |
+103 |
|
Pri motion dec |
-014 |
|
Sec motion dec |
-011 |
|
Notes |
|
|
rPM=1.149
This double is not physical.
21185+3037 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
21 18 49 +30 37 25 |
FYM 538 AB |
2016 |
8 |
192 |
7.0 |
11.90 |
13.00 |
1.10 |
|
|
Show |
|
|
21 18 48 +30 37 17 |
FYM 538 BC |
2015 |
4 |
218 |
5.7 |
13.00 |
16.10 |
3.10 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
1852010105861519232 |
|