21492+4702 COU 2317 AC
21h 49m 19.35s +47° 02' 03.7" P.A. 141.00 sep 21.2 mag 12.00,11.60
Coord 2000 |
21492+4702 |
|
Discov num |
COU2317 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 49 19.35 +47 02 03.7 |
|
Date first |
1895 |
|
Date last |
2018 |
|
Obs |
12 |
|
Pa first |
147 |
|
Pa last |
141.3 |
|
P.A. Now (θ) |
141.3° |
|
Sep first |
20.5 |
|
Sep last |
21.23 |
|
Sep. Now (ρ) |
21.23" |
|
Mag pri |
12.00 |
|
Mag sec |
11.60 |
|
delta mag (ΔM) |
0.4 |
|
Spectral class |
|
|
Pri motion ra |
-018 |
|
Sec motion ra |
|
|
Pri motion dec |
-015 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
21492+4702 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
21 49 19 +47 02 04 |
COU 2317 AB |
2014 |
2 |
111 |
0.3 |
12.00 |
12.30 |
0.30 |
|
|
Show |
|
|
21 49 19 +47 02 04 |
COU 2317 AC |
2018 |
12 |
141 |
21.2 |
12.00 |
11.60 |
0.40 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3608-01345-1 |
|
Gaia DR2 |
1974712369406098432 |
|