21478+4212 TDT 3158
21h 47m 45.02s +42° 11' 45.1" P.A. 230.00 sep 2.7 mag 12.06,13.08
| Coord 2000 |
21478+4212 |
|
Discov num |
TDT3158 |
|
Comp |
|
|
Coord arcsec 2000 |
21 47 45.02 +42 11 45.1 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
230 |
|
Pa last |
229.8 |
|
P.A. Now (θ) |
229.8° |
|
| Sep first |
2.7 |
|
Sep last |
2.66 |
|
Sep. Now (ρ) |
2.66" |
|
| Mag pri |
12.06 |
|
Mag sec |
13.08 |
|
delta mag (ΔM) |
1.02 |
|
Spectral class |
|
|
| Pri motion ra |
-003 |
|
Sec motion ra |
-003 |
|
| Pri motion dec |
-005 |
|
Sec motion dec |
-005 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3192-01325-1 |
|
Gaia DR2 |
1960599794067385216 |
|
