21108+3738 ALI 681
21h 10m 42.87s +37° 37' 37.9" P.A. 21.00 sep 12.0 mag 11.06,12.90
| Coord 2000 |
21108+3738 |
|
Discov num |
ALI 681 |
|
Comp |
|
|
Coord arcsec 2000 |
21 10 42.87 +37 37 37.9 |
|
| Date first |
1929 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
19 |
|
Pa last |
20.5 |
|
P.A. Now (θ) |
20.5° |
|
| Sep first |
11.9 |
|
Sep last |
11.981 |
|
Sep. Now (ρ) |
11.981" |
|
| Mag pri |
11.06 |
|
Mag sec |
12.90 |
|
delta mag (ΔM) |
1.84 |
|
Spectral class |
|
|
| Pri motion ra |
-002 |
|
Sec motion ra |
+011 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
+000 |
|
| Notes |
|
|
rPM=1.236
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3169-00940-1 |
|
Gaia DR2 |
1868877954257646208 |
|
