21494+4058 TDT 3178
21h 49m 25.54s +40° 57' 45.7" P.A. 251.00 sep 0.6 mag 10.83,11.66
| Coord 2000 |
21494+4058 |
|
Discov num |
TDT3178 |
|
Comp |
|
|
Coord arcsec 2000 |
21 49 25.54 +40 57 45.7 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
251 |
|
Pa last |
250.5 |
|
P.A. Now (θ) |
250.5° |
|
| Sep first |
0.6 |
|
Sep last |
0.61 |
|
Sep. Now (ρ) |
0.61" |
|
| Mag pri |
10.83 |
|
Mag sec |
11.66 |
|
delta mag (ΔM) |
0.83 |
|
Spectral class |
|
|
| Pri motion ra |
-009 |
|
Sec motion ra |
-009 |
|
| Pri motion dec |
-005 |
|
Sec motion dec |
-005 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3188-00053-1 |
|
Gaia DR2 |
1960275648595531520 |
|
