12547-4508 B 1217 AB,C
12h 54m 44.68s -45° 07' 38.4" P.A. 90.00 sep 5.3 mag 9.50,13.50 Sp A7
Coord 2000 |
12547-4508 |
|
Discov num |
B 1217 |
|
Comp |
AB,C |
|
Coord arcsec 2000 |
12 54 44.68 -45 07 38.4 |
|
Date first |
1928 |
|
Date last |
1999 |
|
Obs |
5 |
|
Pa first |
93 |
|
Pa last |
90.4 |
|
P.A. Now (θ) |
90.4° |
|
Sep first |
5.3 |
|
Sep last |
5.26 |
|
Sep. Now (ρ) |
5.26" |
|
Mag pri |
9.50 |
|
Mag sec |
13.50 |
|
delta mag (ΔM) |
4 |
|
Spectral class |
A7 (white) |
|
Pri motion ra |
-002 |
|
Sec motion ra |
+159 |
|
Pri motion dec |
+001 |
|
Sec motion dec |
-001 |
|
Notes |
|
|
rPM=1.013
This double is not physical.
12547-4508 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
12 54 45 -45 07 38 |
B 1217 AB |
1991 |
4 |
265 |
0.4 |
10.56 |
10.52 |
0.04 |
|
|
Show |
|
|
12 54 45 -45 07 38 |
B 1217 AB,C |
1999 |
5 |
90 |
5.3 |
9.50 |
13.50 |
4.00 |
|
<=== |
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS