21518+4022 TDT 3199
21h 51m 49.18s +40° 21' 31.1" P.A. 341.00 sep 3.9 mag 11.15,11.30
| Coord 2000 |
21518+4022 |
|
Discov num |
TDT3199 |
|
Comp |
|
|
Coord arcsec 2000 |
21 51 49.18 +40 21 31.1 |
|
| Date first |
1991 |
|
Date last |
2016 |
|
Obs |
2 |
|
| Pa first |
123 |
|
Pa last |
341 |
|
P.A. Now (θ) |
341° |
|
| Sep first |
0.4 |
|
Sep last |
3.933 |
|
Sep. Now (ρ) |
3.933" |
|
| Mag pri |
11.15 |
|
Mag sec |
11.30 |
|
delta mag (ΔM) |
0.15 |
|
Spectral class |
|
|
| Pri motion ra |
+024 |
|
Sec motion ra |
+024 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
-004 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3189-00068-1 |
|
Gaia DR2 |
1959445654755333248 |
|
