18188-1347 DCH 38 CD
18h 18m 49.37s -13° 46' 50.1" P.A. 90.00 sep 1.4 mag 8.91,14.56 Sp B5
Coord 2000 |
18188-1347 |
|
Discov num |
DCH 38 |
|
Comp |
CD |
|
Coord arcsec 2000 |
18 18 49.37 -13 46 50.1 |
|
Date first |
1998 |
|
Date last |
1998 |
|
Obs |
1 |
|
Pa first |
90 |
|
Pa last |
89.6 |
|
P.A. Now (θ) |
89.6° |
|
Sep first |
1.4 |
|
Sep last |
1.449 |
|
Sep. Now (ρ) |
1.449" |
|
Mag pri |
8.91 |
|
Mag sec |
14.56 |
|
delta mag (ΔM) |
5.65 |
|
Spectral class |
B5 (blue-white) |
|
Pri motion ra |
+001 |
|
Sec motion ra |
|
|
Pri motion dec |
+000 |
|
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.
18188-1347 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
18 18 49 -13 46 50 |
DCH 37 AB |
1998 |
1 |
307 |
0.7 |
10.96 |
13.43 |
2.47 |
|
|
Show |
|
|
18 18 49 -13 46 50 |
DCH 38 CD |
1998 |
1 |
90 |
1.4 |
8.91 |
14.56 |
5.65 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Serpens |
|
Gaia DR2 |
4146600708779213312 |
|