21290+3224 WAL 139 AC
21h 29m 00.11s +32° 23' 49.5" P.A. 251.00 sep 41.6 mag 9.56,10.37 Sp A2
| Coord 2000 |
21290+3224 |
|
Discov num |
WAL 139 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 29 00.11 +32 23 49.5 |
|
| Date first |
1893 |
|
Date last |
2015 |
|
Obs |
16 |
|
| Pa first |
251 |
|
Pa last |
250.6 |
|
P.A. Now (θ) |
250.6° |
|
| Sep first |
40.3 |
|
Sep last |
41.608 |
|
Sep. Now (ρ) |
41.608" |
|
| Mag pri |
9.56 |
|
Mag sec |
10.37 |
|
delta mag (ΔM) |
0.81 |
|
Spectral class |
A2 (white) |
|
| Pri motion ra |
+009 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
+009 |
|
Sec motion dec |
-010 |
|
| Notes |
W
|
|
rPM=1.809
This double is not physical.
21290+3224 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 29 00 +32 23 50 |
ES 378 AB |
2015 |
8 |
203 |
9.5 |
9.56 |
12.00 |
2.44 |
|
|
| Show |
|
|
21 29 00 +32 23 50 |
WAL 139 AC |
2015 |
16 |
251 |
41.6 |
9.56 |
10.37 |
0.81 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2708-02340-1 |
|
Gaia DR2 |
1853909615280666112 |
|
