20578+3321 TDT 2661
20h 57m 50.09s +33° 21' 28.5" P.A. 208.00 sep 0.6 mag 11.73,11.85
| Coord 2000 |
20578+3321 |
|
Discov num |
TDT2661 |
|
Comp |
|
|
Coord arcsec 2000 |
20 57 50.09 +33 21 28.5 |
|
| Date first |
1991 |
|
Date last |
2016 |
|
Obs |
2 |
|
| Pa first |
225 |
|
Pa last |
208.2 |
|
P.A. Now (θ) |
208.2° |
|
| Sep first |
0.8 |
|
Sep last |
0.576 |
|
Sep. Now (ρ) |
0.576" |
|
| Mag pri |
11.73 |
|
Mag sec |
11.85 |
|
delta mag (ΔM) |
0.12 |
|
Spectral class |
|
|
| Pri motion ra |
+023 |
|
Sec motion ra |
+023 |
|
| Pri motion dec |
-006 |
|
Sec motion dec |
-006 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2692-00403-1 |
|
