20384+5248 TDT 2442 Aa,Ab
20h 38m 24.78s +52° 48' 04.7" P.A. 304.00 sep 0.5 mag 11.12,11.21 Sp F5
| Coord 2000 |
20384+5248 |
|
Discov num |
TDT2442 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
20 38 24.78 +52 48 04.7 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
304 |
|
Pa last |
303.8 |
|
P.A. Now (θ) |
303.8° |
|
| Sep first |
0.5 |
|
Sep last |
0.51 |
|
Sep. Now (ρ) |
0.51" |
|
| Mag pri |
11.12 |
|
Mag sec |
11.21 |
|
delta mag (ΔM) |
0.09 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
+016 |
|
Sec motion ra |
+016 |
|
| Pri motion dec |
+009 |
|
Sec motion dec |
+009 |
|
| Notes |
|
|
Nature of this double is uncertain.
20384+5248 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 38 25 +52 48 05 |
TDT 2442 Aa,Ab |
1991 |
1 |
304 |
0.5 |
11.12 |
11.21 |
0.09 |
|
<=== |
| Show |
|
|
20 38 25 +52 48 05 |
SKF 348 AB |
2018 |
10 |
178 |
19.9 |
10.45 |
11.74 |
1.29 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3950-00609-1 |
|
