21487+3914 TDS 1147
21h 48m 41.86s +39° 13' 41.3" P.A. 26.00 sep 1.0 mag 11.26,11.33
Coord 2000 |
21487+3914 |
|
Discov num |
TDS1147 |
|
Comp |
|
|
Coord arcsec 2000 |
21 48 41.86 +39 13 41.3 |
|
Date first |
1991 |
|
Date last |
2016 |
|
Obs |
4 |
|
Pa first |
24 |
|
Pa last |
25.5 |
|
P.A. Now (θ) |
25.5° |
|
Sep first |
0.9 |
|
Sep last |
0.961 |
|
Sep. Now (ρ) |
0.961" |
|
Mag pri |
11.26 |
|
Mag sec |
11.33 |
|
delta mag (ΔM) |
0.07 |
|
Spectral class |
|
|
Pri motion ra |
+011 |
|
Sec motion ra |
+011 |
|
Pri motion dec |
-009 |
|
Sec motion dec |
-009 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3184-00121-1 |
|
Gaia DR2 |
1953371471480964096 |
|