16054-1948 H 3 7 AC (Acrab)
16h 05m 26.23s -19° 48' 19.4" P.A. 19.00 sep 13.7 mag 2.59,4.52 Sp B0.5V+B2V dist. 123.92 pc (404.23 l.y.)
| Coord 2000 |
16054-1948 |
|
Discov num |
H 3 7 |
|
Comp |
AC |
|
Coord arcsec 2000 |
16 05 26.23 -19 48 19.4 |
|
| Date first |
1779 |
|
Date last |
2021 |
|
Obs |
144 |
|
| Pa first |
25 |
|
Pa last |
19.1 |
|
P.A. Now (θ) |
19.1° |
|
| Sep first |
14.4 |
|
Sep last |
13.668 |
|
Sep. Now (ρ) |
13.668" |
|
| Mag pri |
2.59 |
|
Mag sec |
4.52 |
|
delta mag (ΔM) |
1.93 |
|
Spectral class |
B0.5V+B2V (blue-white/blue-white) |
|
| Pri motion ra |
-007 |
|
Sec motion ra |
-035 |
|
| Pri motion dec |
-025 |
|
Sec motion dec |
-007 |
|
| Notes |
N
(See Notes) |
|
rPM=0.933
This double is not physical.
16054-1948 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
159682 |
16 05 26 -19 48 19 |
OCC 9158 Aa,Ab |
1976 |
0 |
-1 |
0.0 |
2.90 |
4.10 |
1.20 |
Y |
|
| Show |
|
159682 |
16 05 26 -19 48 19 |
BU 947 AB |
2023 |
49 |
224 |
0.3 |
2.62 |
10.60 |
7.98 |
Y |
|
| Show |
Acrab |
159682 |
16 05 26 -19 48 19 |
H 3 7 AC |
2021 |
144 |
19 |
13.7 |
2.59 |
4.52 |
1.93 |
|
<=== |
| Show |
|
159682 |
16 05 26 -19 48 19 |
PWL 9001 AD |
2016 |
4 |
30 |
519.2 |
2.62 |
7.50 |
4.88 |
|
|
| Show |
|
159683 |
16 05 27 -19 48 07 |
MCA 42 CE |
2023 |
31 |
91 |
0.1 |
4.52 |
6.60 |
2.08 |
Y |
|
Sextuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Common name |
Acrab |
|
Var name |
NSV7424 Sco |
|
Constellation |
Scorpius |
|
SAO |
159682 |
|
| HIP |
78820 |
|
Tycho2 |
6208-01623-1 |
|
Gaia DR2 |
6247207266936828288 |
|
HD |
144217 |
|
| HR |
5984 |
|
GC |
21609 |
|
ADS |
9913 |
|
BD |
BD-19 4307 |
|
| CP |
CP-19 5945 |
|
Bayer |
Beta 1 Scorpii |
|
Bayer name |
Bet1 Sco |
|
Flamsteed |
8 Scorpii |
|
| Flamsteed name |
8 Sco |
|
FK5 |
597 |
|
Distance |
123.92 |
|
Distance ly |
404.23 |
|
| Bayer greek |
β1 Sco |
|
| Other names |
Graffias, Grafias, Akrab, Elacrab |
|
