03556+5238 HDS 494 AB (HD 24431)
03h 55m 38.42s +52° 38' 28.8" P.A. 176.00 sep 0.7 mag 6.91,9.82 Sp O9IV-V dist. 442.48 pc (1443.37 l.y.)
Coord 2000 |
03556+5238 |
|
Discov num |
HDS 494 |
|
Comp |
AB |
|
Coord arcsec 2000 |
03 55 38.42 +52 38 28.8 |
|
Date first |
1991 |
|
Date last |
2013 |
|
Obs |
10 |
|
Pa first |
178 |
|
Pa last |
176.3 |
|
P.A. Now (θ) |
176.3° |
|
Sep first |
0.7 |
|
Sep last |
0.725 |
|
Sep. Now (ρ) |
0.725" |
|
Mag pri |
6.91 |
|
Mag sec |
9.82 |
|
delta mag (ΔM) |
2.91 |
|
Spectral class |
O9IV-V (blue) |
|
Pri motion ra |
+000 |
|
Sec motion ra |
|
|
Pri motion dec |
-002 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
03556+5238 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
24300 |
03 55 38 +52 38 29 |
CIA 38 Aa,Ab |
2018 |
1 |
146 |
0.0 |
6.10 |
7.50 |
1.40 |
|
|
Show |
HD 24431 |
24300 |
03 55 38 +52 38 29 |
HDS 494 AB |
2013 |
10 |
176 |
0.7 |
6.91 |
9.82 |
2.91 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 24431 |
|
Constellation |
Perseus |
|
SAO |
24300 |
|
HIP |
18370 |
|
Tycho2 |
3717-00049-1 |
|
HD |
24431 |
|
GC |
4708 |
|
BD |
BD+52 726 |
|
Distance |
442.48 |
|
Distance ly |
1443.37 |
|