21439+4517 TDT 3123
21h 43m 51.38s +45° 17' 15.7" P.A. 242.00 sep 1.5 mag 11.94,12.80
| Coord 2000 |
21439+4517 |
|
Discov num |
TDT3123 |
|
Comp |
|
|
Coord arcsec 2000 |
21 43 51.38 +45 17 15.7 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
242 |
|
Pa last |
242.1 |
|
P.A. Now (θ) |
242.1° |
|
| Sep first |
1.5 |
|
Sep last |
1.53 |
|
Sep. Now (ρ) |
1.53" |
|
| Mag pri |
11.94 |
|
Mag sec |
12.80 |
|
delta mag (ΔM) |
0.86 |
|
Spectral class |
|
|
| Pri motion ra |
-001 |
|
Sec motion ra |
|
|
| Pri motion dec |
-006 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3591-03320-1 |
|
Gaia DR2 |
1973947452910212480 |
|
