16539-1854 DON 815 AC
16h 53m 56.89s -18° 54' 20.7" P.A. 320.00 sep 9.3 mag 8.83,13.20 Sp A2IV/V
Coord 2000 |
16539-1854 |
|
Discov num |
DON 815 |
|
Comp |
AC |
|
Coord arcsec 2000 |
16 53 56.89 -18 54 20.7 |
|
Date first |
1933 |
|
Date last |
2015 |
|
Obs |
4 |
|
Pa first |
318 |
|
Pa last |
320.3 |
|
P.A. Now (θ) |
320.3° |
|
Sep first |
9.1 |
|
Sep last |
9.293 |
|
Sep. Now (ρ) |
9.293" |
|
Mag pri |
8.83 |
|
Mag sec |
13.20 |
|
delta mag (ΔM) |
4.37 |
|
Spectral class |
A2IV/V (white) |
|
Pri motion ra |
-003 |
|
Sec motion ra |
-009 |
|
Pri motion dec |
-001 |
|
Sec motion dec |
-003 |
|
Notes |
|
|
rPM=0.667
Nature of this double is uncertain.
16539-1854 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
160150 |
16 53 57 -18 54 21 |
DON 815 AB |
2016 |
5 |
221 |
2.7 |
8.83 |
14.00 |
5.17 |
|
|
Show |
|
160150 |
16 53 57 -18 54 21 |
DON 815 AC |
2015 |
4 |
320 |
9.3 |
8.83 |
13.20 |
4.37 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Ophiuchus |
|
SAO |
160150 |
|
Tycho2 |
6226-01514-1 |
|
Gaia DR2 |
4132096123183061248 |
|
HD |
152419 |
|