20281+3847 ALI 933
20h 28m 04.77s +38° 46' 36.7" P.A. 254.00 sep 13.8 mag 12.31,12.60
| Coord 2000 |
20281+3847 |
|
Discov num |
ALI 933 |
|
Comp |
|
|
Coord arcsec 2000 |
20 28 04.77 +38 46 36.7 |
|
| Date first |
1928 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
255 |
|
Pa last |
254.4 |
|
P.A. Now (θ) |
254.4° |
|
| Sep first |
13.7 |
|
Sep last |
13.774 |
|
Sep. Now (ρ) |
13.774" |
|
| Mag pri |
12.31 |
|
Mag sec |
12.60 |
|
delta mag (ΔM) |
0.29 |
|
Spectral class |
|
|
| Pri motion ra |
+006 |
|
Sec motion ra |
+000 |
|
| Pri motion dec |
+002 |
|
Sec motion dec |
+000 |
|
| Notes |
|
|
rPM=1
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3152-00559-1 |
|
Gaia DR2 |
2064143209235895040 |
|