21489+4349 TDT 3170
21h 48m 52.51s +43° 49' 13.5" P.A. 290.00 sep 2.2 mag 10.90,15.20
| Coord 2000 |
21489+4349 |
|
Discov num |
TDT3170 |
|
Comp |
|
|
Coord arcsec 2000 |
21 48 52.51 +43 49 13.5 |
|
| Date first |
2016 |
|
Date last |
2016 |
|
Obs |
1 |
|
| Pa first |
290 |
|
Pa last |
289.6 |
|
P.A. Now (θ) |
289.6° |
|
| Sep first |
2.2 |
|
Sep last |
2.199 |
|
Sep. Now (ρ) |
2.199" |
|
| Mag pri |
10.90 |
|
Mag sec |
15.20 |
|
delta mag (ΔM) |
4.3 |
|
Spectral class |
|
|
| Pri motion ra |
-002 |
|
Sec motion ra |
|
|
| Pri motion dec |
-025 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3196-00568-1 |
|
Gaia DR2 |
1972845884003051648 |
|