21454+3955 SEI 1534
21h 45m 21.49s +39° 54' 59.1" P.A. 189.00 sep 27.8 mag 11.40,12.24
| Coord 2000 |
21454+3955 |
|
Discov num |
SEI1534 |
|
Comp |
|
|
Coord arcsec 2000 |
21 45 21.49 +39 54 59.1 |
|
| Date first |
1895 |
|
Date last |
2015 |
|
Obs |
12 |
|
| Pa first |
195 |
|
Pa last |
189.3 |
|
P.A. Now (θ) |
189.3° |
|
| Sep first |
28.6 |
|
Sep last |
27.849 |
|
Sep. Now (ρ) |
27.849" |
|
| Mag pri |
11.40 |
|
Mag sec |
12.24 |
|
delta mag (ΔM) |
0.84 |
|
Spectral class |
|
|
| Pri motion ra |
-021 |
|
Sec motion ra |
+001 |
|
| Pri motion dec |
-008 |
|
Sec motion dec |
-005 |
|
| Notes |
|
|
rPM=0.988
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3188-01485-1 |
|
Gaia DR2 |
1954120204547195520 |
|
