20490+2932 BRT 51 AC
20h 48m 57.28s +29° 32' 10.4" P.A. 37.00 sep 5.1 mag 9.20,11.80 Sp A3
| Coord 2000 |
20490+2932 |
|
Discov num |
BRT 51 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 48 57.28 +29 32 10.4 |
|
| Date first |
1894 |
|
Date last |
2018 |
|
Obs |
8 |
|
| Pa first |
51 |
|
Pa last |
37.2 |
|
P.A. Now (θ) |
37.2° |
|
| Sep first |
5.9 |
|
Sep last |
5.053 |
|
Sep. Now (ρ) |
5.053" |
|
| Mag pri |
9.20 |
|
Mag sec |
11.80 |
|
delta mag (ΔM) |
2.6 |
|
Spectral class |
A3 (white) |
|
| Pri motion ra |
+026 |
|
Sec motion ra |
|
|
| Pri motion dec |
-004 |
|
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 |
|
SAO |
89164 |
|
Tycho2 |
2183-00855-1 |
|
Gaia DR2 |
1858269763011418752 |
|
| HD |
335167 |
|
