18186-1348 DCH 26 AB
18h 18m 36.42s -13° 48' 02.3" P.A. 306.00 sep 0.2 mag 6.80,8.37 Sp O4IV((f))
Coord 2000 |
18186-1348 |
|
Discov num |
DCH 26 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 18 36.42 -13 48 02.3 |
|
Date first |
1998 |
|
Date last |
2018 |
|
Obs |
7 |
|
Pa first |
320 |
|
Pa last |
306.3 |
|
P.A. Now (θ) |
306.3° |
|
Sep first |
0.1 |
|
Sep last |
0.164 |
|
Sep. Now (ρ) |
0.164" |
|
Mag pri |
6.80 |
|
Mag sec |
8.37 |
|
delta mag (ΔM) |
1.57 |
|
Spectral class |
O4IV((f)) (blue) |
|
Pri motion ra |
+004 |
|
Sec motion ra |
|
|
Pri motion dec |
+008 |
|
Sec motion dec |
|
|
Notes |
N
K
(See Notes, 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.
18186-1348 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
161303 |
18 18 36 -13 48 02 |
DCH 26 AB |
2018 |
7 |
306 |
0.2 |
6.80 |
8.37 |
1.57 |
|
<=== |
Show |
|
|
18 18 36 -13 48 02 |
SNA 88 AC |
2012 |
1 |
5 |
3.7 |
6.57 |
13.71 |
7.14 |
|
|
Show |
|
|
18 18 36 -13 48 02 |
SNA 88 AD |
2017 |
2 |
246 |
3.5 |
6.57 |
12.15 |
5.58 |
|
|
Show |
|
|
18 18 36 -13 48 02 |
SNA 88 AE |
2012 |
1 |
177 |
3.8 |
6.57 |
14.15 |
7.58 |
|
|
Show |
|
|
18 18 36 -13 48 02 |
SNA 88 AF |
2012 |
1 |
126 |
5.9 |
6.57 |
12.63 |
6.06 |
|
|
Show |
|
|
18 18 36 -13 48 02 |
SNA 88 AG |
2017 |
3 |
305 |
6.4 |
6.57 |
12.10 |
5.53 |
|
|
Show |
|
|
18 18 36 -13 47 36 |
SNA 87 Ha,Hb |
2012 |
1 |
49 |
0.0 |
7.30 |
11.00 |
3.70 |
|
|
Show |
|
|
18 18 36 -13 47 36 |
SNA 87 HI |
2012 |
1 |
297 |
2.7 |
7.28 |
13.10 |
5.82 |
|
|
Show |
|
|
18 18 36 -13 47 36 |
SNA 87 HJ |
2017 |
3 |
139 |
3.4 |
7.28 |
11.41 |
4.13 |
|
|
Show |
|
|
18 18 36 -13 47 36 |
SNA 87 HK |
2012 |
1 |
68 |
5.8 |
7.28 |
13.86 |
6.58 |
|
|
12-fold system
11 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Serpens |
|
SAO |
161303 |
|
Tycho2 |
5689-00607-1 |
|
Gaia DR2 |
4146599132529067520 |
|
HD |
168076 |
|