18186-1346 DCH 23 CD
18h 18m 37.88s -13° 46' 29.4" P.A. 322.00 sep 0.8 mag 10.99,15.45
Coord 2000 |
18186-1346 |
|
Discov num |
DCH 23 |
|
Comp |
CD |
|
Coord arcsec 2000 |
18 18 37.88 -13 46 29.4 |
|
Date first |
1998 |
|
Date last |
1998 |
|
Obs |
1 |
|
Pa first |
322 |
|
Pa last |
321.9 |
|
P.A. Now (θ) |
321.9° |
|
Sep first |
0.8 |
|
Sep last |
0.779 |
|
Sep. Now (ρ) |
0.779" |
|
Mag pri |
10.99 |
|
Mag sec |
15.45 |
|
delta mag (ΔM) |
4.46 |
|
Spectral class |
|
|
Pri motion ra |
|
|
Sec motion ra |
|
|
Pri motion dec |
|
|
Sec motion dec |
|
|
Notes |
K
(K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
18186-1346 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
18 18 38 -13 45 35 |
DCH 22 AB |
1998 |
1 |
346 |
0.6 |
13.46 |
14.99 |
1.53 |
|
|
Show |
|
|
18 18 38 -13 46 29 |
DCH 23 CD |
1998 |
1 |
322 |
0.8 |
10.99 |
15.45 |
4.46 |
|
<=== |
Show |
|
|
18 18 38 -13 46 35 |
DCH 25 EF |
1998 |
1 |
295 |
1.1 |
9.49 |
13.90 |
4.41 |
|
|
Sextuple system
6 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Serpens |
|
Tycho2 |
5689-01381-1 |
|
Gaia DR2 |
4146612391096772224 |
|