17387+1840 SLO 1 AB
17h 38m 39.15s +18° 40' 03.5" P.A. 219.00 sep 1.7 mag 11.69,12.30
| Coord 2000 |
17387+1840 |
|
Discov num |
SLO 1 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 38 39.15 +18 40 03.5 |
|
| Date first |
1912 |
|
Date last |
1991 |
|
Obs |
2 |
|
| Pa first |
218 |
|
Pa last |
218.5 |
|
P.A. Now (θ) |
218.5° |
|
| Sep first |
1.7 |
|
Sep last |
1.7 |
|
Sep. Now (ρ) |
1.7" |
|
| Mag pri |
11.69 |
|
Mag sec |
12.30 |
|
delta mag (ΔM) |
0.61 |
|
Spectral class |
|
|
| Pri motion ra |
+008 |
|
Sec motion ra |
|
|
| Pri motion dec |
+004 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
17387+1840 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
17 38 39 +18 40 04 |
SLO 1 AB |
1991 |
2 |
219 |
1.7 |
11.69 |
12.30 |
0.61 |
|
<=== |
| Show |
|
|
17 38 39 +18 40 04 |
SLO 1 AC |
2015 |
7 |
149 |
146.3 |
11.12 |
11.94 |
0.82 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Tycho2 |
1555-01013-1 |
|
Gaia DR2 |
4550787097320451200 |
|
