18187-1206 SNA 90 AC
18h 18m 40.86s -12° 06' 23.3" P.A. 267.00 sep 7.6 mag 6.63,14.00 Sp O5IV+
| Coord 2000 |
18187-1206 |
|
Discov num |
SNA 90 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 18 40.86 -12 06 23.3 |
|
| Date first |
2012 |
|
Date last |
2012 |
|
Obs |
1 |
|
| Pa first |
267 |
|
Pa last |
266.8 |
|
P.A. Now (θ) |
266.8° |
|
| Sep first |
7.6 |
|
Sep last |
7.62 |
|
Sep. Now (ρ) |
7.62" |
|
| Mag pri |
6.63 |
|
Mag sec |
14.00 |
|
delta mag (ΔM) |
7.37 |
|
Spectral class |
O5IV+ (blue) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
|
|
| Pri motion dec |
-002 |
|
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.
18187-1206 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
18 18 41 -12 06 23 |
SNA 90 Aa,Ab |
2012 |
1 |
303 |
0.0 |
7.40 |
7.60 |
0.20 |
|
|
| Show |
|
|
18 18 41 -12 06 23 |
SNA 90 AB |
2012 |
1 |
34 |
3.0 |
6.63 |
13.70 |
7.07 |
|
|
| Show |
|
|
18 18 41 -12 06 23 |
SNA 90 AC |
2012 |
1 |
267 |
7.6 |
6.63 |
14.00 |
7.37 |
|
<=== |
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Serpens |
|
Gaia DR2 |
4153666106124493696 |
|
