21409+4205 TDT 3104
21h 40m 52.24s +42° 05' 10.2" P.A. 233.00 sep 2.2 mag 12.20,12.71
| Coord 2000 |
21409+4205 |
|
Discov num |
TDT3104 |
|
Comp |
|
|
Coord arcsec 2000 |
21 40 52.24 +42 05 10.2 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
233 |
|
Pa last |
232.8 |
|
P.A. Now (θ) |
232.8° |
|
| Sep first |
2.2 |
|
Sep last |
2.16 |
|
Sep. Now (ρ) |
2.16" |
|
| Mag pri |
12.20 |
|
Mag sec |
12.71 |
|
delta mag (ΔM) |
0.51 |
|
Spectral class |
|
|
| Pri motion ra |
-005 |
|
Sec motion ra |
-005 |
|
| Pri motion dec |
-003 |
|
Sec motion dec |
-003 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3192-00744-1 |
|
Gaia DR2 |
1966629417056885504 |
|
