21091+3822 SEI 1417
21h 09m 05.34s +38° 22' 38.8" P.A. 140.00 sep 31.3 mag 12.25,12.15
Coord 2000 |
21091+3822 |
|
Discov num |
SEI1417 |
|
Comp |
|
|
Coord arcsec 2000 |
21 09 05.34 +38 22 38.8 |
|
Date first |
1895 |
|
Date last |
2015 |
|
Obs |
10 |
|
Pa first |
130 |
|
Pa last |
140.2 |
|
P.A. Now (θ) |
140.2° |
|
Sep first |
29.3 |
|
Sep last |
31.253 |
|
Sep. Now (ρ) |
31.253" |
|
Mag pri |
12.25 |
|
Mag sec |
12.15 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
|
|
Pri motion ra |
+021 |
|
Sec motion ra |
-003 |
|
Pri motion dec |
+048 |
|
Sec motion dec |
+007 |
|
Notes |
|
|
rPM=0.907
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
1871965206814288512 |
|