20217+3657 SEI 1099
20h 21m 39.35s +36° 56' 43.4" P.A. 288.00 sep 6.7 mag 11.08,12.10 Sp OB
Coord 2000 |
20217+3657 |
|
Discov num |
SEI1099 |
|
Comp |
|
|
Coord arcsec 2000 |
20 21 39.35 +36 56 43.4 |
|
Date first |
1896 |
|
Date last |
2015 |
|
Obs |
14 |
|
Pa first |
289 |
|
Pa last |
288.1 |
|
P.A. Now (θ) |
288.1° |
|
Sep first |
7.2 |
|
Sep last |
6.677 |
|
Sep. Now (ρ) |
6.677" |
|
Mag pri |
11.08 |
|
Mag sec |
12.10 |
|
delta mag (ΔM) |
1.02 |
|
Spectral class |
OB (blue) |
|
Pri motion ra |
+009 |
|
Sec motion ra |
-002 |
|
Pri motion dec |
-019 |
|
Sec motion dec |
-003 |
|
Notes |
|
|
rPM=0.924
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
2684-00352-1 |
|
Gaia DR2 |
2057938738141082752 |
|