03378+4046 COU 1517 (AB Per)
03h 37m 45.20s +40° 45' 49.3" P.A. 254.00 sep 0.2 mag 10.28,10.81 Sp A5V+G9IV dist. 201.61 pc (657.65 l.y.)
Coord 2000 |
03378+4046 |
|
Discov num |
COU1517 |
|
Comp |
|
|
Coord arcsec 2000 |
03 37 45.20 +40 45 49.3 |
|
Date first |
1977 |
|
Date last |
2011 |
|
Obs |
7 |
|
Pa first |
266 |
|
Pa last |
253.7 |
|
P.A. Now (θ) |
253.7° |
|
Sep first |
0.2 |
|
Sep last |
0.23 |
|
Sep. Now (ρ) |
0.23" |
|
Mag pri |
10.28 |
|
Mag sec |
10.81 |
|
delta mag (ΔM) |
0.53 |
|
Spectral class |
A5V+G9IV (white/yellow) |
|
Pri motion ra |
+002 |
|
Sec motion ra |
|
|
Pri motion dec |
+006 |
|
Sec motion dec |
|
|
Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Var name |
AB Per |
|
Constellation |
Perseus |
|
HIP |
16920 |
|
Tycho2 |
2866-00842-1 |
|
Gaia DR2 |
237076873279709184 |
|
HD |
275604 |
|
BD |
BD+40 798 |
|
Distance |
201.61 |
|
Distance ly |
657.65 |
|