12069-6437 HJ 4501 AC
12h 06m 52.85s -64° 36' 49.1" P.A. 195.00 sep 35.2 mag 4.18,12.16 Sp F2III dist. 19.76 pc (64.46 l.y.)
| Coord 2000 |
12069-6437 |
|
Discov num |
HJ 4501 |
|
Comp |
AC |
|
Coord arcsec 2000 |
12 06 52.85 -64 36 49.1 |
|
| Date first |
1891 |
|
Date last |
2015 |
|
Obs |
4 |
|
| Pa first |
210 |
|
Pa last |
195.1 |
|
P.A. Now (θ) |
195.1° |
|
| Sep first |
30.0 |
|
Sep last |
35.167 |
|
Sep. Now (ρ) |
35.167" |
|
| Mag pri |
4.18 |
|
Mag sec |
12.16 |
|
delta mag (ΔM) |
7.98 |
|
Spectral class |
F2III (yellow-white) |
|
| Pri motion ra |
+034 |
|
Sec motion ra |
-011 |
|
| Pri motion dec |
-037 |
|
Sec motion dec |
-013 |
|
| Notes |
N
(See Notes) |
|
rPM=1.015
This double is not physical.
12069-6437 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
Eta Cru |
251742 |
12 06 53 -64 36 49 |
HJ 4501 AB |
2015 |
9 |
300 |
48.8 |
4.15 |
11.80 |
7.65 |
|
|
| Show |
|
251742 |
12 06 53 -64 36 49 |
HJ 4501 AC |
2015 |
4 |
195 |
35.2 |
4.18 |
12.16 |
7.98 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Crux |
|
SAO |
251742 |
|
HIP |
59072 |
|
Tycho2 |
8982-04970-1 |
|
| Gaia DR2 |
6053245135151088512 |
|
HD |
105211 |
|
HR |
4616 |
|
GC |
16551 |
|
| GL |
Gl 455.2 |
|
CP |
CP-63 2145 |
|
Bayer |
Eta Crucis |
|
Bayer name |
Eta Cru |
|
| FK5 |
2969 |
|
Distance |
19.76 |
|
Distance ly |
64.46 |
|
Bayer greek |
η Cru |
|
