21166+5455 TDT 2877
21h 16m 34.82s +54° 55' 26.4" P.A. 340.00 sep 1.1 mag 11.87,12.61
| Coord 2000 |
21166+5455 |
|
Discov num |
TDT2877 |
|
Comp |
|
|
Coord arcsec 2000 |
21 16 34.82 +54 55 26.4 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
340 |
|
Pa last |
339.7 |
|
P.A. Now (θ) |
339.7° |
|
| Sep first |
1.1 |
|
Sep last |
1.12 |
|
Sep. Now (ρ) |
1.12" |
|
| Mag pri |
11.87 |
|
Mag sec |
12.61 |
|
delta mag (ΔM) |
0.74 |
|
Spectral class |
|
|
| Pri motion ra |
-006 |
|
Sec motion ra |
-006 |
|
| Pri motion dec |
-012 |
|
Sec motion dec |
-012 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3957-00972-1 |
|
Gaia DR2 |
2176968396635531008 |
|
