20514-0538 STF 2729 AD
20h 51m 25.69s -05° 37' 35.9" P.A. 324.00 sep 137.3 mag 6.40,9.66 Sp F5IV-V dist. 60.72 pc (198.07 l.y.)
| Coord 2000 |
20514-0538 |
|
Discov num |
STF2729 |
|
Comp |
AD |
|
Coord arcsec 2000 |
20 51 25.69 -05 37 35.9 |
|
| Date first |
1890 |
|
Date last |
2012 |
|
Obs |
18 |
|
| Pa first |
330 |
|
Pa last |
323.7 |
|
P.A. Now (θ) |
323.7° |
|
| Sep first |
128.6 |
|
Sep last |
137.26 |
|
Sep. Now (ρ) |
137.26" |
|
| Mag pri |
6.40 |
|
Mag sec |
9.66 |
|
delta mag (ΔM) |
3.26 |
|
Spectral class |
F5IV-V (yellow-white) |
|
| Pri motion ra |
+103 |
|
Sec motion ra |
-022 |
|
| Pri motion dec |
-008 |
|
Sec motion dec |
-013 |
|
| Notes |
N
(See Notes) |
|
rPM=1.211
This double is not physical.
20514-0538 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
4 Aqr |
144877 |
20 51 26 -05 37 36 |
STF 2729 AB |
2021 |
346 |
35 |
0.7 |
6.40 |
7.43 |
1.03 |
Y |
|
| Show |
|
144877 |
20 51 26 -05 37 36 |
STF 2729 AC |
2002 |
5 |
311 |
74.3 |
6.40 |
13.30 |
6.90 |
|
|
| Show |
|
144877 |
20 51 26 -05 37 36 |
STF 2729 AD |
2012 |
18 |
324 |
137.3 |
6.40 |
9.66 |
3.26 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
NSV13350 Aqr |
|
Constellation |
Aquarius |
|
SAO |
144877 |
|
HIP |
102945 |
|
| Tycho2 |
5190-02008-1 |
|
Gaia DR2 |
6913299240769679488 |
|
HD |
198571 |
|
HR |
7982 |
|
| GC |
29078 |
|
ADS |
14360 |
|
BD |
BD-06 5604 |
|
Flamsteed |
4 Aquarii |
|
| Flamsteed name |
4 Aqr |
|
Distance |
60.72 |
|
Distance ly |
198.07 |
|
