20391+3717 SEI 1207
20h 39m 05.25s +37° 16' 58.8" P.A. 121.00 sep 27.0 mag 11.94,12.40
Coord 2000 |
20391+3717 |
|
Discov num |
SEI1207 |
|
Comp |
|
|
Coord arcsec 2000 |
20 39 05.25 +37 16 58.8 |
|
Date first |
1896 |
|
Date last |
2015 |
|
Obs |
13 |
|
Pa first |
124 |
|
Pa last |
120.5 |
|
P.A. Now (θ) |
120.5° |
|
Sep first |
25.6 |
|
Sep last |
27.025 |
|
Sep. Now (ρ) |
27.025" |
|
Mag pri |
11.94 |
|
Mag sec |
12.40 |
|
delta mag (ΔM) |
0.46 |
|
Spectral class |
|
|
Pri motion ra |
+007 |
|
Sec motion ra |
+023 |
|
Pri motion dec |
-004 |
|
Sec motion dec |
+001 |
|
Notes |
|
|
rPM=0.728
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
2698-00172-1 |
|
Gaia DR2 |
2062887090225359744 |
|