18189-1348 HDS 2590 AB
18h 18m 56.19s -13° 48' 31.1" P.A. 353.00 sep 2.1 mag 9.05,12.90 Sp O8V dist. 427.35 pc (1394.02 l.y.)
Coord 2000 |
18189-1348 |
|
Discov num |
HDS2590 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 18 56.19 -13 48 31.1 |
|
Date first |
1991 |
|
Date last |
2016 |
|
Obs |
3 |
|
Pa first |
352 |
|
Pa last |
352.7 |
|
P.A. Now (θ) |
352.7° |
|
Sep first |
2.0 |
|
Sep last |
2.098 |
|
Sep. Now (ρ) |
2.098" |
|
Mag pri |
9.05 |
|
Mag sec |
12.90 |
|
delta mag (ΔM) |
3.85 |
|
Spectral class |
O8V (blue) |
|
Pri motion ra |
+003 |
|
Sec motion ra |
-003 |
|
Pri motion dec |
+000 |
|
Sec motion dec |
+001 |
|
Notes |
N
(See Notes) |
|
rPM=1.924
This double is not physical.
18189-1348 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 168137 |
161316 |
18 18 56 -13 48 31 |
SNA 91 Aa,Ab |
2016 |
12 |
212 |
0.0 |
8.30 |
8.60 |
0.30 |
Y |
|
Show |
|
161316 |
18 18 56 -13 48 31 |
HDS 2590 AB |
2016 |
3 |
353 |
2.1 |
9.05 |
12.90 |
3.85 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Serpens |
|
SAO |
161316 |
|
HIP |
89750 |
|
Tycho2 |
5689-01097-1 |
|
Gaia DR2 |
4146599682284818176 |
|
HD |
168137 |
|
BD |
BD-13 4932 |
|
Distance |
427.35 |
|
Distance ly |
1394.02 |
|