21316+4420 ES 1337 AC
21h 31m 37.45s +44° 21' 32.5" P.A. 152.00 sep 22.9 mag 9.03,11.90
| Coord 2000 |
21316+4420 |
|
Discov num |
ES 1337 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 31 37.45 +44 21 32.5 |
|
| Date first |
1914 |
|
Date last |
2018 |
|
Obs |
9 |
|
| Pa first |
148 |
|
Pa last |
152.1 |
|
P.A. Now (θ) |
152.1° |
|
| Sep first |
22.5 |
|
Sep last |
22.856 |
|
Sep. Now (ρ) |
22.856" |
|
| Mag pri |
9.03 |
|
Mag sec |
11.90 |
|
delta mag (ΔM) |
2.87 |
|
Spectral class |
|
|
| Pri motion ra |
+019 |
|
Sec motion ra |
+008 |
|
| Pri motion dec |
+003 |
|
Sec motion dec |
-010 |
|
| Notes |
|
|
rPM=0.885
This double is not physical.
21316+4420 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 31 37 +44 21 32 |
ES 1337 AB |
2018 |
9 |
264 |
6.2 |
9.03 |
10.00 |
0.97 |
|
|
| Show |
|
|
21 31 37 +44 21 32 |
ES 1337 AC |
2018 |
9 |
152 |
22.9 |
9.03 |
11.90 |
2.87 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3195-01533-1 |
|
Gaia DR2 |
1970952108358828544 |
|
DM |
BD+43 3955 |
|
