21154+4539 TDT 2860
21h 15m 25.03s +45° 38' 33.0" P.A. 243.00 sep 5.6 mag 11.74,12.16
| Coord 2000 |
21154+4539 |
|
Discov num |
TDT2860 |
|
Comp |
|
|
Coord arcsec 2000 |
21 15 25.03 +45 38 33.0 |
|
| Date first |
1991 |
|
Date last |
2014 |
|
Obs |
6 |
|
| Pa first |
256 |
|
Pa last |
242.5 |
|
P.A. Now (θ) |
242.5° |
|
| Sep first |
2.7 |
|
Sep last |
5.614 |
|
Sep. Now (ρ) |
5.614" |
|
| Mag pri |
11.74 |
|
Mag sec |
12.16 |
|
delta mag (ΔM) |
0.42 |
|
Spectral class |
|
|
| Pri motion ra |
-001 |
|
Sec motion ra |
|
|
| Pri motion dec |
-002 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3589-05970-1 |
|
Gaia DR2 |
1971871300081536000 |
|
