12179-2401 BU 921 A,BC (HD 106955)
12h 17m 55.52s -24° 00' 48.2" P.A. 221.00 sep 3.4 mag 7.01,10.67 Sp A0V dist. 141.04 pc (460.07 l.y.)
Coord 2000 |
12179-2401 |
|
Discov num |
BU 921 |
|
Comp |
A,BC |
|
Coord arcsec 2000 |
12 17 55.52 -24 00 48.2 |
|
Date first |
1879 |
|
Date last |
1991 |
|
Obs |
18 |
|
Pa first |
219 |
|
Pa last |
221.3 |
|
P.A. Now (θ) |
221.3° |
|
Sep first |
3.0 |
|
Sep last |
3.38 |
|
Sep. Now (ρ) |
3.38" |
|
Mag pri |
7.01 |
|
Mag sec |
10.67 |
|
delta mag (ΔM) |
3.66 |
|
Spectral class |
A0V (white) |
|
Pri motion ra |
-019 |
|
Sec motion ra |
-022 |
|
Pri motion dec |
+003 |
|
Sec motion dec |
+000 |
|
Notes |
|
|
rPM=0.193 (< 0.3, Physical double)
This double is physical.
12179-2401 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 106955 |
180662 |
12 17 56 -24 00 48 |
BU 921 A,BC |
1991 |
18 |
221 |
3.4 |
7.01 |
10.67 |
3.66 |
|
<=== |
Show |
|
|
12 17 55 -24 00 51 |
DON 521 BC |
1965 |
4 |
50 |
0.2 |
11.20 |
11.20 |
0.00 |
|
|
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 106955 |
|
Constellation |
Corvus |
|
SAO |
180662 |
|
HIP |
59966 |
|
Tycho2 |
6681-01014-1 |
|
Gaia DR2 |
3489078156773630080 |
|
HD |
106955 |
|
GC |
16774 |
|
CD |
CD-2310471 |
|
CP |
CP-23 5453 |
|
Distance |
141.04 |
|
Distance ly |
460.07 |
|