21564+3001 MLB 721 AC
21h 56m 21.84s +30° 01' 53.6" P.A. 200.00 sep 6.9 mag 11.35,12.00
| Coord 2000 |
21564+3001 |
|
Discov num |
MLB 721 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 56 21.84 +30 01 53.6 |
|
| Date first |
1931 |
|
Date last |
2015 |
|
Obs |
5 |
|
| Pa first |
206 |
|
Pa last |
200.4 |
|
P.A. Now (θ) |
200.4° |
|
| Sep first |
5.3 |
|
Sep last |
6.88 |
|
Sep. Now (ρ) |
6.88" |
|
| Mag pri |
11.35 |
|
Mag sec |
12.00 |
|
delta mag (ΔM) |
0.65 |
|
Spectral class |
|
|
| Pri motion ra |
-002 |
|
Sec motion ra |
+040 |
|
| Pri motion dec |
-007 |
|
Sec motion dec |
-033 |
|
| Notes |
|
|
rPM=0.953
This double is not physical.
21564+3001 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 56 22 +30 01 54 |
MLB 721 AB |
2016 |
7 |
15 |
1.6 |
11.35 |
9.50 |
1.85 |
|
|
| Show |
|
|
21 56 22 +30 01 54 |
MLB 721 AC |
2015 |
5 |
200 |
6.9 |
11.35 |
12.00 |
0.65 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pegasus |
|
Tycho2 |
2719-00306-1 |
|
Gaia DR2 |
1897704430423259136 |
|
