20240+3309 NSN 3 AB
20h 24m 02.63s +33° 08' 34.6" P.A. 14.00 sep 4.8 mag 11.70,15.30 Sp K7
| Coord 2000 |
20240+3309 |
|
Discov num |
NSN 3 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 24 02.63 +33 08 34.6 |
|
| Date first |
1998 |
|
Date last |
2016 |
|
Obs |
6 |
|
| Pa first |
14 |
|
Pa last |
13.7 |
|
P.A. Now (θ) |
13.7° |
|
| Sep first |
4.7 |
|
Sep last |
4.798 |
|
Sep. Now (ρ) |
4.798" |
|
| Mag pri |
11.70 |
|
Mag sec |
15.30 |
|
delta mag (ΔM) |
3.6 |
|
Spectral class |
K7 (yellow-orange) |
|
| Pri motion ra |
+145 |
|
Sec motion ra |
+146 |
|
| Pri motion dec |
+073 |
|
Sec motion dec |
+080 |
|
| Notes |
V
W
(Proper motion indicates physical, ) |
|
rPM=0.042 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2689-00988-1 |
|
