15122-1948 H 6 44 AB (Iot Lib)
15h 12m 13.31s -19° 47' 29.9" P.A. 111.00 sep 57.7 mag 4.53,10.87 Sp A0pSi dist. 116.41 pc (379.73 l.y.)
| Coord 2000 |
15122-1948 |
|
Discov num |
H 6 44 |
|
Comp |
AB |
|
Coord arcsec 2000 |
15 12 13.31 -19 47 29.9 |
|
| Date first |
1781 |
|
Date last |
2016 |
|
Obs |
30 |
|
| Pa first |
113 |
|
Pa last |
110.7 |
|
P.A. Now (θ) |
110.7° |
|
| Sep first |
65.2 |
|
Sep last |
57.67 |
|
Sep. Now (ρ) |
57.67" |
|
| Mag pri |
4.53 |
|
Mag sec |
10.87 |
|
delta mag (ΔM) |
6.34 |
|
Spectral class |
A0pSi (white) |
|
| Pri motion ra |
-035 |
|
Sec motion ra |
-043 |
|
| Pri motion dec |
-033 |
|
Sec motion dec |
-051 |
|
| Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.295 (< 0.3, Physical double)
This double is physical.
15122-1948 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
159090 |
15 12 13 -19 47 30 |
B 2351 Aa,Ab |
2021 |
75 |
117 |
0.1 |
5.10 |
5.50 |
0.40 |
Y |
|
| Show |
Iot Lib |
159090 |
15 12 13 -19 47 30 |
H 6 44 AB |
2016 |
30 |
111 |
57.7 |
4.53 |
10.87 |
6.34 |
|
<=== |
| Show |
|
|
15 12 17 -19 47 50 |
BU 618 BC |
2016 |
22 |
13 |
2.1 |
10.87 |
11.40 |
0.53 |
|
|
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
Iot Lib |
|
Var name |
NSV6981 Lib |
|
Constellation |
Libra |
|
SAO |
159090 |
|
| HIP |
74392 |
|
Tycho2 |
6178-01225-1 |
|
Gaia DR2 |
6256039884362600064 |
|
HD |
134759 |
|
| HR |
5652 |
|
GC |
20433 |
|
ADS |
9532 |
|
BD |
BD-19 4047 |
|
| Bayer |
Iota Librae |
|
Bayer name |
Iot Lib |
|
Flamsteed |
24 Librae |
|
Flamsteed name |
24 Lib |
|
| FK5 |
559 |
|
Distance |
116.41 |
|
Distance ly |
379.73 |
|
Bayer greek |
ι Lib |
|
