21417+4022 TDT 3111
21h 41m 42.96s +40° 21' 36.9" P.A. 296.00 sep 2.7 mag 12.79,12.97
| Coord 2000 |
21417+4022 |
|
Discov num |
TDT3111 |
|
Comp |
|
|
Coord arcsec 2000 |
21 41 42.96 +40 21 36.9 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
296 |
|
Pa last |
296.3 |
|
P.A. Now (θ) |
296.3° |
|
| Sep first |
2.7 |
|
Sep last |
2.74 |
|
Sep. Now (ρ) |
2.74" |
|
| Mag pri |
12.79 |
|
Mag sec |
12.97 |
|
delta mag (ΔM) |
0.18 |
|
Spectral class |
|
|
| Pri motion ra |
-003 |
|
Sec motion ra |
|
|
| Pri motion dec |
-006 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3188-01467-1 |
|
Gaia DR2 |
1954390989343081728 |
|
