02578+4431 B 9001 AD
02h 57m 45.98s +44° 31' 26.7" P.A. 117.00 sep 100.0 mag 9.23,13.16 Sp F8 dist. 26.8 pc (87.42 l.y.)
| Coord 2000 |
02578+4431 |
|
Discov num |
B 9001 |
|
Comp |
AD |
|
Coord arcsec 2000 |
02 57 45.98 +44 31 26.7 |
|
| Date first |
1923 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
115 |
|
Pa last |
116.6 |
|
P.A. Now (θ) |
116.6° |
|
| Sep first |
90.0 |
|
Sep last |
99.984 |
|
Sep. Now (ρ) |
99.984" |
|
| Mag pri |
9.23 |
|
Mag sec |
13.16 |
|
delta mag (ΔM) |
3.93 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
+047 |
|
Sec motion ra |
+001 |
|
| Pri motion dec |
+005 |
|
Sec motion dec |
-003 |
|
| Notes |
N
(See Notes) |
|
rPM=0.988
This double is not physical.
02578+4431 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 18281 |
38468 |
02 57 46 +44 31 27 |
STF 328 AB |
2017 |
55 |
306 |
14.7 |
9.23 |
9.30 |
0.07 |
|
|
| Show |
|
38468 |
02 57 46 +44 31 27 |
STF 328 AC |
2015 |
12 |
96 |
46.2 |
9.23 |
11.82 |
2.59 |
|
|
| Show |
|
38468 |
02 57 46 +44 31 27 |
B 9001 AD |
2015 |
7 |
117 |
100.0 |
9.23 |
13.16 |
3.93 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Perseus |
|
SAO |
38468 |
|
HIP |
13802 |
|
Tycho2 |
2858-02674-1 |
|
| Gaia DR2 |
433622720000360960 |
|
HD |
18281 |
|
Distance |
26.8 |
|
Distance ly |
87.42 |
|
