02557+4746 MET 18 AC
02h 55m 43.50s +47° 46' 48.8" P.A. 47.00 sep 12.9 mag 7.21,14.21 Sp K5Ve
Coord 2000 |
02557+4746 |
|
Discov num |
MET 18 |
|
Comp |
AC |
|
Coord arcsec 2000 |
02 55 43.50 +47 46 48.8 |
|
Date first |
1998 |
|
Date last |
2015 |
|
Obs |
4 |
|
Pa first |
52 |
|
Pa last |
46.7 |
|
P.A. Now (θ) |
46.7° |
|
Sep first |
12.3 |
|
Sep last |
12.88 |
|
Sep. Now (ρ) |
12.88" |
|
Mag pri |
7.21 |
|
Mag sec |
14.21 |
|
delta mag (ΔM) |
7 |
|
Spectral class |
K5Ve (yellow-orange) |
|
Pri motion ra |
+080 |
|
Sec motion ra |
|
|
Pri motion dec |
-077 |
|
Sec motion dec |
|
|
Notes |
U
K
(Proper motion indicates non-physical, K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is not physical.
02557+4746 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
02 55 44 +47 46 49 |
ES 1217 AB |
2018 |
8 |
270 |
2.0 |
9.90 |
10.00 |
0.10 |
|
|
Show |
|
|
02 55 44 +47 46 49 |
MET 18 AC |
2015 |
4 |
47 |
12.9 |
7.21 |
14.21 |
7.00 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Perseus |
|
Gaia DR2 |
437576632532294272 |
|