21177+3423 SLE 381
21h 17m 39.18s +34° 22' 37.8" P.A. 279.00 sep 9.6 mag 12.29,12.50
| Coord 2000 |
21177+3423 |
|
Discov num |
SLE 381 |
|
Comp |
|
|
Coord arcsec 2000 |
21 17 39.18 +34 22 37.8 |
|
| Date first |
1934 |
|
Date last |
2015 |
|
Obs |
10 |
|
| Pa first |
277 |
|
Pa last |
278.8 |
|
P.A. Now (θ) |
278.8° |
|
| Sep first |
9.4 |
|
Sep last |
9.626 |
|
Sep. Now (ρ) |
9.626" |
|
| Mag pri |
12.29 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
0.21 |
|
Spectral class |
|
|
| Pri motion ra |
+005 |
|
Sec motion ra |
+000 |
|
| Pri motion dec |
-005 |
|
Sec motion dec |
-005 |
|
| Notes |
|
|
rPM=0.707
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2710-02486-1 |
|
Gaia DR2 |
1855298023590640128 |
|
