20113-0049 BU 1540 AB
20h 11m 18.26s -00° 49' 17.3" P.A. 259.00 sep 115.8 mag 3.23,13.00 Sp B9.5III dist. 87.8 pc (286.4 l.y.)
Coord 2000 |
20113-0049 |
|
Discov num |
BU 1540 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 11 18.26 -00 49 17.3 |
|
Date first |
1901 |
|
Date last |
2008 |
|
Obs |
4 |
|
Pa first |
260 |
|
Pa last |
259.3 |
|
P.A. Now (θ) |
259.3° |
|
Sep first |
113.7 |
|
Sep last |
115.8 |
|
Sep. Now (ρ) |
115.8" |
|
Mag pri |
3.23 |
|
Mag sec |
13.00 |
|
delta mag (ΔM) |
9.77 |
|
Spectral class |
B9.5III (blue-white) |
|
Pri motion ra |
+035 |
|
Sec motion ra |
+019 |
|
Pri motion dec |
+006 |
|
Sec motion dec |
-003 |
|
Notes |
N
S
(See Notes, Parallax indidates non-physical) |
|
rPM=0.517
This double is not physical.
20113-0049 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
144150 |
20 11 18 -00 49 17 |
MKT 10 Aa,Ab |
2020 |
30 |
88 |
0.0 |
3.50 |
5.00 |
1.50 |
Y |
|
Show |
The Aql |
144150 |
20 11 18 -00 49 17 |
ISO 12 Aa,Ac |
1987 |
1 |
44 |
1.0 |
3.23 |
|
|
|
|
Show |
|
144150 |
20 11 18 -00 49 17 |
BU 1540 AB |
2008 |
4 |
259 |
115.8 |
3.23 |
13.00 |
9.77 |
|
<=== |
Quadruple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Aquila |
|
SAO |
144150 |
|
HIP |
99473 |
|
Tycho2 |
5161-02682-1 |
|
HD |
191692 |
|
HR |
7710 |
|
GC |
28010 |
|
BD |
BD-01 3911 |
|
Bayer |
Theta Aquilae |
|
Bayer name |
The Aql |
|
Flamsteed |
65 Aquilae |
|
Flamsteed name |
65 Aql |
|
FK5 |
756 |
|
Distance |
87.8 |
|
Distance ly |
286.4 |
|
Bayer greek |
θ Aql |
|