18187-1349 DCH 33 AB
18h 18m 45.09s -13° 49' 18.8" P.A. 95.00 sep 0.4 mag 13.50,13.51 Sp A4
Coord 2000 |
18187-1349 |
|
Discov num |
DCH 33 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 18 45.09 -13 49 18.8 |
|
Date first |
1998 |
|
Date last |
1998 |
|
Obs |
1 |
|
Pa first |
95 |
|
Pa last |
94.7 |
|
P.A. Now (θ) |
94.7° |
|
Sep first |
0.4 |
|
Sep last |
0.433 |
|
Sep. Now (ρ) |
0.433" |
|
Mag pri |
13.50 |
|
Mag sec |
13.51 |
|
delta mag (ΔM) |
0.01 |
|
Spectral class |
A4 (white) |
|
Pri motion ra |
-001 |
|
Sec motion ra |
|
|
Pri motion dec |
+005 |
|
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.
18187-1349 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
18 18 45 -13 49 19 |
DCH 33 AB |
1998 |
1 |
95 |
0.4 |
13.50 |
13.51 |
0.01 |
|
<=== |
Show |
|
|
18 18 39 -13 48 51 |
DCH 34 CD |
1998 |
1 |
273 |
1.2 |
12.41 |
17.24 |
4.83 |
|
|
Show |
|
|
18 18 41 -13 49 05 |
DCH 35 EF |
1998 |
1 |
153 |
0.7 |
12.38 |
16.60 |
4.22 |
|
|
Sextuple system
6 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Serpens |
|
Gaia DR2 |
4146598818999031680 |
|