21493+3937 SEI 1536
21h 49m 18.35s +39° 37' 00.1" P.A. 147.00 sep 28.1 mag 10.04,11.80 Sp A2
Coord 2000 |
21493+3937 |
|
Discov num |
SEI1536 |
|
Comp |
|
|
Coord arcsec 2000 |
21 49 18.35 +39 37 00.1 |
|
Date first |
1895 |
|
Date last |
2016 |
|
Obs |
11 |
|
Pa first |
154 |
|
Pa last |
146.5 |
|
P.A. Now (θ) |
146.5° |
|
Sep first |
27.5 |
|
Sep last |
28.122 |
|
Sep. Now (ρ) |
28.122" |
|
Mag pri |
10.04 |
|
Mag sec |
11.80 |
|
delta mag (ΔM) |
1.76 |
|
Spectral class |
A2 (white) |
|
Pri motion ra |
-010 |
|
Sec motion ra |
+016 |
|
Pri motion dec |
-012 |
|
Sec motion dec |
-003 |
|
Notes |
|
|
rPM=1.69
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3188-00660-1 |
|
Gaia DR2 |
1953394251992756480 |
|