03156+5245 ES 768 AB (HD 20054)
03h 15m 37.41s +52° 44' 59.2" P.A. 315.00 sep 75.8 mag 8.66,11.71 Sp A0 dist. 238.66 pc (778.51 l.y.)
| Coord 2000 |
03156+5245 |
|
Discov num |
ES 768 |
|
Comp |
AB |
|
Coord arcsec 2000 |
03 15 37.41 +52 44 59.2 |
|
| Date first |
1903 |
|
Date last |
2002 |
|
Obs |
6 |
|
| Pa first |
315 |
|
Pa last |
315.3 |
|
P.A. Now (θ) |
315.3° |
|
| Sep first |
74.2 |
|
Sep last |
75.757 |
|
Sep. Now (ρ) |
75.757" |
|
| Mag pri |
8.66 |
|
Mag sec |
11.71 |
|
delta mag (ΔM) |
3.05 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
+013 |
|
Sec motion ra |
-013 |
|
| Pri motion dec |
-018 |
|
Sec motion dec |
-003 |
|
| Notes |
|
|
rPM=1.352
This double is not physical.
03156+5245 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 20054 |
23904 |
03 15 37 +52 44 59 |
ES 768 AB |
2002 |
6 |
315 |
75.8 |
8.66 |
11.71 |
3.05 |
|
<=== |
| Show |
|
23904 |
03 15 37 +52 44 59 |
ES 768 AD |
2014 |
5 |
346 |
36.3 |
8.66 |
13.18 |
4.52 |
|
|
| Show |
|
|
03 15 32 +52 45 53 |
ES 768 BC |
2016 |
5 |
45 |
2.8 |
11.71 |
13.20 |
1.49 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 20054 |
|
Constellation |
Perseus |
|
SAO |
23904 |
|
HIP |
15179 |
|
| Tycho2 |
3702-00319-1 |
|
Gaia DR2 |
446087535429425536 |
|
HD |
20054 |
|
BD |
BD+52 672 |
|
| Distance |
238.66 |
|
Distance ly |
778.51 |
|
