20193+3635 AG 253 AB (HD 228899)
20h 19m 18.43s +36° 35' 08.5" P.A. 118.00 sep 9.8 mag 9.38,9.85 Sp G5+G8III
| Coord 2000 |
20193+3635 |
|
Discov num |
AG 253 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 19 18.43 +36 35 08.5 |
|
| Date first |
1896 |
|
Date last |
2018 |
|
Obs |
31 |
|
| Pa first |
119 |
|
Pa last |
117.6 |
|
P.A. Now (θ) |
117.6° |
|
| Sep first |
9.5 |
|
Sep last |
9.784 |
|
Sep. Now (ρ) |
9.784" |
|
| Mag pri |
9.38 |
|
Mag sec |
9.85 |
|
delta mag (ΔM) |
0.47 |
|
Spectral class |
G5+G8III (yellow/yellow) |
|
| Pri motion ra |
-002 |
|
Sec motion ra |
-003 |
|
| Pri motion dec |
-018 |
|
Sec motion dec |
-018 |
|
| Notes |
N
T
(See Notes, Parallax indicates physical) |
|
rPM=0.055 (< 0.3, Physical double)
This double is physical.
20193+3635 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 228899 |
69829 |
20 19 18 +36 35 08 |
AG 253 AB |
2018 |
31 |
118 |
9.8 |
9.38 |
9.85 |
0.47 |
|
<=== |
| Show |
|
69829 |
20 19 18 +36 35 08 |
AG 253 AC |
2015 |
13 |
268 |
171.9 |
9.38 |
11.28 |
1.90 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 228899 |
|
Constellation |
Cygnus |
|
SAO |
69829 |
|
Tycho2 |
2684-01643-1 |
|
| Gaia DR2 |
2057539993381925248 |
|
HD |
228899 |
|
