20185-4000 B 474 AB
20h 18m 32.03s -40° 00' 46.0" P.A. 28.00 sep 3.3 mag 11.00,13.60 Sp K0/1
| Coord 2000 |
20185-4000 |
|
Discov num |
B 474 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 18 32.03 -40 00 46.0 |
|
| Date first |
1925 |
|
Date last |
2016 |
|
Obs |
3 |
|
| Pa first |
29 |
|
Pa last |
27.5 |
|
P.A. Now (θ) |
27.5° |
|
| Sep first |
3.0 |
|
Sep last |
3.278 |
|
Sep. Now (ρ) |
3.278" |
|
| Mag pri |
11.00 |
|
Mag sec |
13.60 |
|
delta mag (ΔM) |
2.6 |
|
Spectral class |
K0/1 (yellow-orange) |
|
| Pri motion ra |
+020 |
|
Sec motion ra |
+021 |
|
| Pri motion dec |
-028 |
|
Sec motion dec |
-028 |
|
| Notes |
V
(Proper motion indicates physical) |
|
rPM=0.029 (< 0.3, Physical double)
This double is physical.
20185-4000 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 18 32 -40 00 46 |
B 474 AB |
2016 |
3 |
28 |
3.3 |
11.00 |
13.60 |
2.60 |
|
<=== |
| Show |
|
|
20 18 32 -40 00 46 |
WG 254 AC |
2015 |
6 |
20 |
14.3 |
11.00 |
12.00 |
1.00 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagittarius |
|
Gaia DR2 |
6692604171627452160 |
|
