18187-1345 SNA 89 AE
18h 18m 40.09s -13° 45' 18.5" P.A. 241.00 sep 6.2 mag 6.71,13.43 Sp O7II
Coord 2000 |
18187-1345 |
|
Discov num |
SNA 89 |
|
Comp |
AE |
|
Coord arcsec 2000 |
18 18 40.09 -13 45 18.5 |
|
Date first |
2012 |
|
Date last |
2012 |
|
Obs |
1 |
|
Pa first |
241 |
|
Pa last |
241.4 |
|
P.A. Now (θ) |
241.4° |
|
Sep first |
6.2 |
|
Sep last |
6.16 |
|
Sep. Now (ρ) |
6.16" |
|
Mag pri |
6.71 |
|
Mag sec |
13.43 |
|
delta mag (ΔM) |
6.72 |
|
Spectral class |
O7II (blue) |
|
Pri motion ra |
-000 |
|
Sec motion ra |
|
|
Pri motion dec |
+001 |
|
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.
18187-1345 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
18 18 40 -13 45 18 |
SNA 89 AB |
2012 |
1 |
344 |
5.1 |
6.71 |
14.57 |
7.86 |
|
|
Show |
|
|
18 18 40 -13 45 18 |
SNA 89 AC |
2012 |
1 |
249 |
5.1 |
6.71 |
14.14 |
7.43 |
|
|
Show |
|
|
18 18 40 -13 45 18 |
SNA 89 AD |
2012 |
1 |
206 |
5.5 |
6.71 |
11.34 |
4.63 |
|
|
Show |
|
|
18 18 40 -13 45 18 |
SNA 89 AE |
2012 |
1 |
241 |
6.2 |
6.71 |
13.43 |
6.72 |
|
<=== |
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Serpens |
|
Gaia DR2 |
4146612494169472256 |
|