21429+5448 STI 2587
21h 42m 54.50s +54° 48' 09.5" P.A. 108.00 sep 8.9 mag 10.74,12.40
| Coord 2000 |
21429+5448 |
|
Discov num |
STI2587 |
|
Comp |
|
|
Coord arcsec 2000 |
21 42 54.50 +54 48 09.5 |
|
| Date first |
1902 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
108 |
|
Pa last |
107.5 |
|
P.A. Now (θ) |
107.5° |
|
| Sep first |
9.9 |
|
Sep last |
8.924 |
|
Sep. Now (ρ) |
8.924" |
|
| Mag pri |
10.74 |
|
Mag sec |
12.40 |
|
delta mag (ΔM) |
1.66 |
|
Spectral class |
|
|
| Pri motion ra |
+005 |
|
Sec motion ra |
+006 |
|
| Pri motion dec |
+003 |
|
Sec motion dec |
+001 |
|
| Notes |
|
|
rPM=0.368
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
2174375026670097536 |
|
