02542+6039 ES 1815 AB
02h 54m 10.67s +60° 39' 03.5" P.A. 233.00 sep 7.1 mag 8.52,10.20 Sp O7
Coord 2000 |
02542+6039 |
|
Discov num |
ES 1815 |
|
Comp |
AB |
|
Coord arcsec 2000 |
02 54 10.67 +60 39 03.5 |
|
Date first |
1908 |
|
Date last |
2015 |
|
Obs |
9 |
|
Pa first |
240 |
|
Pa last |
233.4 |
|
P.A. Now (θ) |
233.4° |
|
Sep first |
7.3 |
|
Sep last |
7.135 |
|
Sep. Now (ρ) |
7.135" |
|
Mag pri |
8.52 |
|
Mag sec |
10.20 |
|
delta mag (ΔM) |
1.68 |
|
Spectral class |
O7 (blue) |
|
Pri motion ra |
+001 |
|
Sec motion ra |
|
|
Pri motion dec |
+003 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
02542+6039 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
02 54 11 +60 39 04 |
ES 1815 AB |
2015 |
9 |
233 |
7.1 |
8.52 |
10.20 |
1.68 |
|
<=== |
Show |
|
|
02 54 11 +60 39 04 |
ES 1815 AC |
2016 |
10 |
53 |
16.0 |
8.52 |
13.20 |
4.68 |
|
|
Show |
|
|
02 54 11 +60 39 04 |
MZA 13 AD |
2015 |
3 |
105 |
7.0 |
8.52 |
15.60 |
7.08 |
|
|
Show |
|
|
02 54 11 +60 39 04 |
MZA 13 AE |
2015 |
3 |
63 |
19.3 |
8.52 |
15.60 |
7.08 |
|
|
Show |
|
|
02 54 11 +60 39 04 |
MZA 13 AG |
2015 |
3 |
20 |
9.3 |
8.52 |
17.10 |
8.58 |
|
|
Show |
|
|
02 54 11 +60 39 04 |
MZA 13 AH |
2015 |
3 |
343 |
10.1 |
8.52 |
17.30 |
8.78 |
|
|
Show |
|
|
02 54 12 +60 39 13 |
MZA 13 CF |
2008 |
1 |
172 |
1.8 |
13.20 |
18.00 |
4.80 |
|
|
Octuple system
8 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cassiopeia |
|
Tycho2 |
4048-00991-1 |
|
Gaia DR2 |
464697873547937664 |
|