20157-1849 HJ 2940 AC
20h 15m 42.64s -18° 49' 00.7" P.A. 76.00 sep 20.6 mag 11.42,11.70 Sp F4V
| Coord 2000 |
20157-1849 |
|
Discov num |
HJ 2940 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 15 42.64 -18 49 00.7 |
|
| Date first |
1830 |
|
Date last |
2017 |
|
Obs |
11 |
|
| Pa first |
86 |
|
Pa last |
76.3 |
|
P.A. Now (θ) |
76.3° |
|
| Sep first |
25.0 |
|
Sep last |
20.578 |
|
Sep. Now (ρ) |
20.578" |
|
| Mag pri |
11.42 |
|
Mag sec |
11.70 |
|
delta mag (ΔM) |
0.28 |
|
Spectral class |
F4V (yellow-white) |
|
| Pri motion ra |
+002 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
-027 |
|
Sec motion dec |
-007 |
|
| Notes |
U
(Proper motion indicates non-physical) |
|
rPM=0.747
This double is not physical.
20157-1849 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 15 43 -18 49 01 |
HJ 2940 AB |
2015 |
6 |
101 |
35.3 |
11.42 |
12.80 |
1.38 |
|
|
| Show |
|
|
20 15 43 -18 49 01 |
HJ 2940 AC |
2017 |
11 |
76 |
20.6 |
11.42 |
11.70 |
0.28 |
|
<=== |
| Show |
|
|
20 15 43 -18 49 01 |
ABH 134 AD |
2015 |
4 |
103 |
70.6 |
11.42 |
14.58 |
3.16 |
|
|
| Show |
|
|
20 15 43 -18 49 01 |
ABH 134 AE |
2015 |
5 |
252 |
84.5 |
11.42 |
12.86 |
1.44 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Capricornus |
|
Tycho2 |
6323-00425-1 |
|
Gaia DR2 |
6872552512374322432 |
|
