18105-1745 J 2197 BC
18h 10m 36.79s -17° 45' 50.9" P.A. 82.00 sep 6.2 mag 11.39,11.40
Coord 2000 |
18105-1745 |
|
Discov num |
J 2197 |
|
Comp |
BC |
|
Coord arcsec 2000 |
18 10 36.79 -17 45 50.9 |
|
Date first |
1942 |
|
Date last |
2015 |
|
Obs |
8 |
|
Pa first |
85 |
|
Pa last |
82.3 |
|
P.A. Now (θ) |
82.3° |
|
Sep first |
6.0 |
|
Sep last |
6.221 |
|
Sep. Now (ρ) |
6.221" |
|
Mag pri |
11.39 |
|
Mag sec |
11.40 |
|
delta mag (ΔM) |
0.01 |
|
Spectral class |
|
|
Pri motion ra |
-022 |
|
Sec motion ra |
+024 |
|
Pri motion dec |
-008 |
|
Sec motion dec |
+005 |
|
Notes |
|
|
rPM=1.95
This double is not physical.
18105-1745 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 166261 |
161136 |
18 10 32 -17 45 27 |
J 2197 AB |
2015 |
6 |
109 |
72.6 |
8.04 |
11.39 |
3.35 |
|
|
Show |
|
|
18 10 37 -17 45 51 |
J 2197 BC |
2015 |
8 |
82 |
6.2 |
11.39 |
11.40 |
0.01 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sagittarius |
|
Tycho2 |
6268-00586-1 |
|
Gaia DR2 |
4095909408808378112 |
|