20039+3113 TDT 1946 (HD 331810)
20h 03m 52.98s +31° 12' 33.6" P.A. 287.00 sep 0.4 mag 10.26,10.30 Sp B8V
| Coord 2000 |
20039+3113 |
|
Discov num |
TDT1946 |
|
Comp |
|
|
Coord arcsec 2000 |
20 03 52.98 +31 12 33.6 |
|
| Date first |
1991 |
|
Date last |
2006 |
|
Obs |
2 |
|
| Pa first |
297 |
|
Pa last |
287.2 |
|
P.A. Now (θ) |
287.2° |
|
| Sep first |
0.4 |
|
Sep last |
0.365 |
|
Sep. Now (ρ) |
0.365" |
|
| Mag pri |
10.26 |
|
Mag sec |
10.30 |
|
delta mag (ΔM) |
0.04 |
|
Spectral class |
B8V (blue-white) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
+001 |
|
| Pri motion dec |
-009 |
|
Sec motion dec |
-009 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 331810 |
|
Constellation |
Cygnus |
|
Tycho2 |
2670-01360-1 |
|
HD |
331810 |
|