21202+3818 PTT 18
21h 21m 02.28s +38° 22' 41.2" P.A. 124.00 sep 6.6 mag 10.00,10.20
Coord 2000 |
21202+3818 |
|
Discov num |
PTT 18 |
|
Comp |
|
|
Coord arcsec 2000 |
21 21 02.28 +38 22 41.2 |
|
Date first |
1895 |
|
Date last |
2018 |
|
Obs |
15 |
|
Pa first |
117 |
|
Pa last |
124.2 |
|
P.A. Now (θ) |
124.2° |
|
Sep first |
6.1 |
|
Sep last |
6.649 |
|
Sep. Now (ρ) |
6.649" |
|
Mag pri |
10.00 |
|
Mag sec |
10.20 |
|
delta mag (ΔM) |
0.2 |
|
Spectral class |
|
|
Pri motion ra |
+004 |
|
Sec motion ra |
+001 |
|
Pri motion dec |
-016 |
|
Sec motion dec |
-018 |
|
Notes |
|
|
rPM=0.2 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
1964871744643228800 |
|