19391-2811 B 444 Aa,Ab
19h 39m 09.04s -28° 11' 46.8" P.A. 22.00 sep 0.1 mag 10.30,11.80 Sp A5III
| Coord 2000 |
19391-2811 |
|
Discov num |
B 444 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
19 39 09.04 -28 11 46.8 |
|
| Date first |
2016 |
|
Date last |
2020 |
|
Obs |
3 |
|
| Pa first |
27 |
|
Pa last |
21.9 |
|
P.A. Now (θ) |
21.9° |
|
| Sep first |
0.1 |
|
Sep last |
0.105 |
|
Sep. Now (ρ) |
0.105" |
|
| Mag pri |
10.30 |
|
Mag sec |
11.80 |
|
delta mag (ΔM) |
1.5 |
|
Spectral class |
A5III (white) |
|
| Pri motion ra |
+003 |
|
Sec motion ra |
|
|
| Pri motion dec |
-011 |
|
Sec motion dec |
|
|
| Notes |
R
(Red magnitudes) |
|
Nature of this double is uncertain.
19391-2811 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
19 39 09 -28 11 47 |
B 444 Aa,Ab |
2020 |
3 |
22 |
0.1 |
10.30 |
11.80 |
1.50 |
|
<=== |
| Show |
|
|
19 39 09 -28 11 47 |
B 444 AB |
2020 |
5 |
77 |
1.1 |
10.10 |
13.30 |
3.20 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagittarius |
|
Tycho2 |
6901-00160-1 |
|
Gaia DR2 |
6752988766111832960 |
|
HD |
185233 |
|
