20122+3621 SEI 996 AB (HD 228273)
20h 12m 13.88s +36° 20' 50.4" sep 29.5 mag 11.33,11.97 Sp A
| Coord 2000 |
20122+3621 |
|
Discov num |
SEI 996 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 12 13.88 +36 20 50.4 |
|
| Date first |
1896 |
|
Date last |
2015 |
|
Obs |
14 |
|
| Pa first |
1 |
|
Pa last |
0.3 |
|
P.A. Now (θ) |
0.3° |
|
| Sep first |
30.0 |
|
Sep last |
29.548 |
|
Sep. Now (ρ) |
29.548" |
|
| Mag pri |
11.33 |
|
Mag sec |
11.97 |
|
delta mag (ΔM) |
0.64 |
|
Spectral class |
A (white) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
-003 |
|
Sec motion dec |
-002 |
|
| Notes |
|
|
rPM=0.707
Nature of this double is uncertain.
20122+3621 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 228273 |
|
20 12 14 +36 20 50 |
SEI 996 AB |
2015 |
14 |
0 |
29.5 |
11.33 |
11.97 |
0.64 |
|
<=== |
| Show |
|
|
20 12 14 +36 20 50 |
STJ 71 AC |
2018 |
2 |
105 |
1.1 |
11.40 |
12.70 |
1.30 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 228273 |
|
Constellation |
Cygnus |
|
Tycho2 |
2683-02272-1 |
|
HD |
228273 |
|
