18181-1118 SNA 86
18h 18m 03.34s -11° 17' 38.8" P.A. 68.00 sep 7.2 mag 6.54,10.90 Sp O8Ib
Coord 2000 |
18181-1118 |
|
Discov num |
SNA 86 |
|
Comp |
|
|
Coord arcsec 2000 |
18 18 03.34 -11 17 38.8 |
|
Date first |
1999 |
|
Date last |
2012 |
|
Obs |
2 |
|
Pa first |
70 |
|
Pa last |
68 |
|
P.A. Now (θ) |
68° |
|
Sep first |
6.7 |
|
Sep last |
7.21 |
|
Sep. Now (ρ) |
7.21" |
|
Mag pri |
6.54 |
|
Mag sec |
10.90 |
|
delta mag (ΔM) |
4.36 |
|
Spectral class |
O8Ib (blue) |
|
Pri motion ra |
-001 |
|
Sec motion ra |
|
|
Pri motion dec |
-003 |
|
Sec motion dec |
|
|
Notes |
V
K
(Proper motion indicates physical, 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
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Serpens |
|
Gaia DR2 |
4153933111306297600 |
|