21117+2220 FYM 291 BC
21h 11m 42.56s +22° 19' 51.5" P.A. 336.00 sep 15.7 mag 13.30,14.60
| Coord 2000 |
21117+2220 |
|
Discov num |
FYM 291 |
|
Comp |
BC |
|
Coord arcsec 2000 |
21 11 42.56 +22 19 51.5 |
|
| Date first |
1998 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
335 |
|
Pa last |
335.5 |
|
P.A. Now (θ) |
335.5° |
|
| Sep first |
15.7 |
|
Sep last |
15.7 |
|
Sep. Now (ρ) |
15.7" |
|
| Mag pri |
13.30 |
|
Mag sec |
14.60 |
|
delta mag (ΔM) |
1.3 |
|
Spectral class |
|
|
| Pri motion ra |
-030 |
|
Sec motion ra |
|
|
| Pri motion dec |
+021 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
21117+2220 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 11 43 +22 19 47 |
BRT 2492 AB |
2015 |
10 |
338 |
5.0 |
11.21 |
13.30 |
2.09 |
|
|
| Show |
|
|
21 11 43 +22 19 52 |
FYM 291 BC |
2015 |
9 |
336 |
15.7 |
13.30 |
14.60 |
1.30 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vulpecula |
|
Gaia DR2 |
1839734264692473856 |
|
