20397+3644 SEI 1209
20h 39m 44.97s +36° 43' 57.5" P.A. 15.00 sep 21.4 mag 11.43,11.80
| Coord 2000 |
20397+3644 |
|
Discov num |
SEI1209 |
|
Comp |
|
|
Coord arcsec 2000 |
20 39 44.97 +36 43 57.5 |
|
| Date first |
1896 |
|
Date last |
2015 |
|
Obs |
12 |
|
| Pa first |
15 |
|
Pa last |
15.2 |
|
P.A. Now (θ) |
15.2° |
|
| Sep first |
20.9 |
|
Sep last |
21.379 |
|
Sep. Now (ρ) |
21.379" |
|
| Mag pri |
11.43 |
|
Mag sec |
11.80 |
|
delta mag (ΔM) |
0.37 |
|
Spectral class |
|
|
| Pri motion ra |
+001 |
|
Sec motion ra |
+004 |
|
| Pri motion dec |
-013 |
|
Sec motion dec |
-008 |
|
| Notes |
|
|
rPM=0.447
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2698-01466-1 |
|
Gaia DR2 |
2062807994106104576 |
|
