20353+4251 A 397 AB,C
20h 35m 16.62s +42° 50' 47.3" P.A. 302.00 sep 53.7 mag 9.65,8.81 Sp F8+F8
Coord 2000 |
20353+4251 |
|
Discov num |
A 397 |
|
Comp |
AB,C |
|
Coord arcsec 2000 |
20 35 16.62 +42 50 47.3 |
|
Date first |
1892 |
|
Date last |
2018 |
|
Obs |
8 |
|
Pa first |
302 |
|
Pa last |
302.3 |
|
P.A. Now (θ) |
302.3° |
|
Sep first |
53.9 |
|
Sep last |
53.71 |
|
Sep. Now (ρ) |
53.71" |
|
Mag pri |
9.65 |
|
Mag sec |
8.81 |
|
delta mag (ΔM) |
0.84 |
|
Spectral class |
F8+F8 (yellow-white/yellow-white) |
|
Pri motion ra |
-027 |
|
Sec motion ra |
-025 |
|
Pri motion dec |
-002 |
|
Sec motion dec |
-004 |
|
Notes |
T
(Parallax indicates physical) |
|
rPM=0.104 (< 0.3, Physical double)
This double is physical.
20353+4251 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
20 35 17 +42 50 47 |
A 397 AB |
2016 |
10 |
182 |
1.3 |
9.65 |
12.50 |
2.85 |
|
|
Show |
|
|
20 35 17 +42 50 47 |
A 397 AB,C |
2018 |
8 |
302 |
53.7 |
9.65 |
8.81 |
0.84 |
|
<=== |
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3161-00061-1 |
|
Gaia DR2 |
2069506936193183872 |
|