21491+4242 ARG 95
21h 49m 07.73s +42° 41' 34.8" P.A. 338.00 sep 23.1 mag 10.31,11.18 Sp A
Coord 2000 |
21491+4242 |
|
Discov num |
ARG 95 |
|
Comp |
|
|
Coord arcsec 2000 |
21 49 07.73 +42 41 34.8 |
|
Date first |
1895 |
|
Date last |
2018 |
|
Obs |
16 |
|
Pa first |
341 |
|
Pa last |
337.6 |
|
P.A. Now (θ) |
337.6° |
|
Sep first |
24.5 |
|
Sep last |
23.137 |
|
Sep. Now (ρ) |
23.137" |
|
Mag pri |
10.31 |
|
Mag sec |
11.18 |
|
delta mag (ΔM) |
0.87 |
|
Spectral class |
A (white) |
|
Pri motion ra |
+007 |
|
Sec motion ra |
+003 |
|
Pri motion dec |
+003 |
|
Sec motion dec |
-011 |
|
Notes |
|
|
rPM=1.277
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3192-00232-1 |
|
Gaia DR2 |
1960709680807782144 |
|