21259+3959 TDT 2958
21h 25m 56.33s +39° 58' 39.3" P.A. 109.00 sep 0.9 mag 11.38,12.36
| Coord 2000 |
21259+3959 |
|
Discov num |
TDT2958 |
|
Comp |
|
|
Coord arcsec 2000 |
21 25 56.33 +39 58 39.3 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
109 |
|
Pa last |
108.6 |
|
P.A. Now (θ) |
108.6° |
|
| Sep first |
0.9 |
|
Sep last |
0.9 |
|
Sep. Now (ρ) |
0.9" |
|
| Mag pri |
11.38 |
|
Mag sec |
12.36 |
|
delta mag (ΔM) |
0.98 |
|
Spectral class |
|
|
| Pri motion ra |
+016 |
|
Sec motion ra |
+016 |
|
| Pri motion dec |
+003 |
|
Sec motion dec |
+003 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3186-02229-1 |
|
Gaia DR2 |
1965416346493791616 |
|
