21040+3854 TDT 2723
21h 04m 00.31s +38° 53' 44.2" P.A. 122.00 sep 2.6 mag 12.34,12.78
| Coord 2000 |
21040+3854 |
|
Discov num |
TDT2723 |
|
Comp |
|
|
Coord arcsec 2000 |
21 04 00.31 +38 53 44.2 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
122 |
|
Pa last |
121.5 |
|
P.A. Now (θ) |
121.5° |
|
| Sep first |
2.6 |
|
Sep last |
2.61 |
|
Sep. Now (ρ) |
2.61" |
|
| Mag pri |
12.34 |
|
Mag sec |
12.78 |
|
delta mag (ΔM) |
0.44 |
|
Spectral class |
|
|
| Pri motion ra |
+003 |
|
Sec motion ra |
+003 |
|
| Pri motion dec |
-005 |
|
Sec motion dec |
-005 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3168-00416-1 |
|
Gaia DR2 |
1872157075903384448 |
|
