21576+4452 SMA 153
21h 57m 40.32s +44° 52' 08.5" P.A. 26.00 sep 10.2 mag 11.50,11.90
| Coord 2000 |
21576+4452 |
|
Discov num |
SMA 153 |
|
Comp |
|
|
Coord arcsec 2000 |
21 57 40.32 +44 52 08.5 |
|
| Date first |
1895 |
|
Date last |
2016 |
|
Obs |
11 |
|
| Pa first |
19 |
|
Pa last |
25.9 |
|
P.A. Now (θ) |
25.9° |
|
| Sep first |
9.9 |
|
Sep last |
10.214 |
|
Sep. Now (ρ) |
10.214" |
|
| Mag pri |
11.50 |
|
Mag sec |
11.90 |
|
delta mag (ΔM) |
0.4 |
|
Spectral class |
|
|
| Pri motion ra |
-008 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
-007 |
|
Sec motion dec |
-007 |
|
| Notes |
|
|
rPM=0.659
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3197-00094-1 |
|
Gaia DR2 |
1973333551767089152 |
|
