20457+0430 A 2285 AC
20h 45m 42.18s +04° 30' 10.2" P.A. 116.00 sep 33.4 mag 9.84,12.40 Sp G0
| Coord 2000 |
20457+0430 |
|
Discov num |
A 2285 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 45 42.18 +04 30 10.2 |
|
| Date first |
1918 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
114 |
|
Pa last |
115.9 |
|
P.A. Now (θ) |
115.9° |
|
| Sep first |
34.5 |
|
Sep last |
33.374 |
|
Sep. Now (ρ) |
33.374" |
|
| Mag pri |
9.84 |
|
Mag sec |
12.40 |
|
delta mag (ΔM) |
2.56 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
+031 |
|
Sec motion ra |
+016 |
|
| Pri motion dec |
+021 |
|
Sec motion dec |
-003 |
|
| Notes |
|
|
rPM=0.756
Nature of this double is uncertain.
20457+0430 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 45 42 +04 30 10 |
A 2285 AB |
2015 |
11 |
222 |
7.7 |
9.84 |
14.80 |
4.96 |
|
|
| Show |
|
|
20 45 42 +04 30 10 |
A 2285 AC |
2015 |
8 |
116 |
33.4 |
9.84 |
12.40 |
2.56 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Delphinus |
|
Tycho2 |
0520-01189-1 |
|
Gaia DR2 |
1735173315935140352 |
|
