20014+0657 STF 2612 AB (HD 189757)
20h 01m 23.22s +06° 56' 49.7" P.A. 54.00 sep 42.5 mag 8.29,9.87 Sp F5
| Coord 2000 |
20014+0657 |
|
Discov num |
STF2612 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 01 23.22 +06 56 49.7 |
|
| Date first |
1827 |
|
Date last |
2016 |
|
Obs |
40 |
|
| Pa first |
53 |
|
Pa last |
54 |
|
P.A. Now (θ) |
54° |
|
| Sep first |
36.6 |
|
Sep last |
42.52 |
|
Sep. Now (ρ) |
42.52" |
|
| Mag pri |
8.29 |
|
Mag sec |
9.87 |
|
delta mag (ΔM) |
1.58 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
+008 |
|
Sec motion ra |
+038 |
|
| Pri motion dec |
-023 |
|
Sec motion dec |
-006 |
|
| Notes |
N
U
(See Notes, Proper motion indicates non-physical) |
|
rPM=0.896
This double is not physical.
20014+0657 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 189757 |
125364 |
20 01 23 +06 56 50 |
STF 2612 AB |
2016 |
40 |
54 |
42.5 |
8.29 |
9.87 |
1.58 |
|
<=== |
| Show |
|
|
20 01 26 +06 57 15 |
STF 2612 BC |
2016 |
5 |
41 |
26.9 |
9.90 |
12.30 |
2.40 |
|
|
| Show |
|
|
20 01 27 +06 57 35 |
J 2568 CD |
2015 |
5 |
310 |
3.6 |
12.30 |
13.30 |
1.00 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 189757 |
|
Constellation |
Aquila |
|
SAO |
125364 |
|
Tycho2 |
0506-01557-1 |
|
| Gaia DR2 |
4297154503813478528 |
|
HD |
189757 |
|
GC |
27751 |
|
