21057+2129 TDT 2741
21h 05m 41.46s +21° 28' 49.6" P.A. 97.00 sep 0.2 mag 11.59,11.60
| Coord 2000 |
21057+2129 |
|
Discov num |
TDT2741 |
|
Comp |
|
|
Coord arcsec 2000 |
21 05 41.46 +21 28 49.6 |
|
| Date first |
1991 |
|
Date last |
2016 |
|
Obs |
2 |
|
| Pa first |
289 |
|
Pa last |
96.8 |
|
P.A. Now (θ) |
96.8° |
|
| Sep first |
0.7 |
|
Sep last |
0.231 |
|
Sep. Now (ρ) |
0.231" |
|
| Mag pri |
11.59 |
|
Mag sec |
11.60 |
|
delta mag (ΔM) |
0.01 |
|
Spectral class |
|
|
| Pri motion ra |
-002 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
+001 |
|
Sec motion dec |
+001 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vulpecula |
|
Tycho2 |
1661-01025-1 |
|
Gaia DR2 |
1838138834664380672 |
|