20229+4243 A 289 AB (HD 194240)
20h 22m 51.41s +42° 43' 16.0" P.A. 154.00 sep 3.9 mag 8.69,11.40 Sp A
| Coord 2000 |
20229+4243 |
|
Discov num |
A 289 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 22 51.41 +42 43 16.0 |
|
| Date first |
1901 |
|
Date last |
2019 |
|
Obs |
13 |
|
| Pa first |
156 |
|
Pa last |
153.9 |
|
P.A. Now (θ) |
153.9° |
|
| Sep first |
3.6 |
|
Sep last |
3.933 |
|
Sep. Now (ρ) |
3.933" |
|
| Mag pri |
8.69 |
|
Mag sec |
11.40 |
|
delta mag (ΔM) |
2.71 |
|
Spectral class |
A (white) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
|
|
| Pri motion dec |
+004 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
20229+4243 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 194240 |
49547 |
20 22 51 +42 43 16 |
A 289 AB |
2019 |
13 |
154 |
3.9 |
8.69 |
11.40 |
2.71 |
|
<=== |
| Show |
|
49547 |
20 22 51 +42 43 16 |
A 289 AC |
2019 |
10 |
351 |
70.5 |
8.69 |
10.47 |
1.78 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 194240 |
|
Constellation |
Cygnus |
|
SAO |
49547 |
|
Tycho2 |
3160-01706-1 |
|
| Gaia DR2 |
2069123481516192384 |
|
HD |
194240 |
|
