20490+2932 BRT 51 BC
20h 48m 57.23s +29° 32' 17.1" P.A. 128.00 sep 4.6 mag 10.60,11.80
Coord 2000 |
20490+2932 |
|
Discov num |
BRT 51 |
|
Comp |
BC |
|
Coord arcsec 2000 |
20 48 57.23 +29 32 17.1 |
|
Date first |
1894 |
|
Date last |
2015 |
|
Obs |
7 |
|
Pa first |
121 |
|
Pa last |
127.5 |
|
P.A. Now (θ) |
127.5° |
|
Sep first |
5.7 |
|
Sep last |
4.562 |
|
Sep. Now (ρ) |
4.562" |
|
Mag pri |
10.60 |
|
Mag sec |
11.80 |
|
delta mag (ΔM) |
1.2 |
|
Spectral class |
|
|
Pri motion ra |
-018 |
|
Sec motion ra |
|
|
Pri motion dec |
+168 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
20490+2932 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 335167 |
89164 |
20 48 57 +29 32 10 |
BRT 51 AB |
2018 |
10 |
355 |
6.9 |
9.20 |
10.60 |
1.40 |
|
|
Show |
|
89164 |
20 48 57 +29 32 10 |
BRT 51 AC |
2018 |
8 |
37 |
5.1 |
9.20 |
11.80 |
2.60 |
|
|
Show |
|
|
20 48 57 +29 32 17 |
BRT 51 BC |
2015 |
7 |
128 |
4.6 |
10.60 |
11.80 |
1.20 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
1858269763011419648 |
|