20229+4243 A 289 AC
20h 22m 51.41s +42° 43' 16.0" P.A. 351.00 sep 70.5 mag 8.69,10.47 Sp A
Coord 2000 |
20229+4243 |
|
Discov num |
A 289 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 22 51.41 +42 43 16.0 |
|
Date first |
1892 |
|
Date last |
2019 |
|
Obs |
10 |
|
Pa first |
349 |
|
Pa last |
350.5 |
|
P.A. Now (θ) |
350.5° |
|
Sep first |
72.4 |
|
Sep last |
70.468 |
|
Sep. Now (ρ) |
70.468" |
|
Mag pri |
8.69 |
|
Mag sec |
10.47 |
|
delta mag (ΔM) |
1.78 |
|
Spectral class |
A (white) |
|
Pri motion ra |
+001 |
|
Sec motion ra |
+036 |
|
Pri motion dec |
+004 |
|
Sec motion dec |
-010 |
|
Notes |
|
|
rPM=1.009
This double is not physical.
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
Constellation |
Cygnus |
|
SAO |
49547 |
|
Tycho2 |
3160-01706-1 |
|
Gaia DR2 |
2069123481516192384 |
|
HD |
194240 |
|