17357+0409 STF 2187 AB,C (HD 159645)
17h 35m 40.75s +04° 08' 49.6" P.A. 179.00 sep 3.3 mag 9.10,10.05 Sp F2
Coord 2000 |
17357+0409 |
|
Discov num |
STF2187 |
|
Comp |
AB,C |
|
Coord arcsec 2000 |
17 35 40.75 +04 08 49.6 |
|
Date first |
1830 |
|
Date last |
2013 |
|
Obs |
39 |
|
Pa first |
178 |
|
Pa last |
178.7 |
|
P.A. Now (θ) |
178.7° |
|
Sep first |
3.1 |
|
Sep last |
3.286 |
|
Sep. Now (ρ) |
3.286" |
|
Mag pri |
9.10 |
|
Mag sec |
10.05 |
|
delta mag (ΔM) |
0.95 |
|
Spectral class |
F2 (yellow-white) |
|
Pri motion ra |
-004 |
|
Sec motion ra |
-003 |
|
Pri motion dec |
+029 |
|
Sec motion dec |
+021 |
|
Notes |
|
|
rPM=0.275 (< 0.3, Physical double)
This double is physical.
17357+0409 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
17 35 41 +04 08 50 |
A 2985 AB |
2017 |
13 |
343 |
0.3 |
9.50 |
9.50 |
0.00 |
|
|
Show |
HD 159645 |
|
17 35 41 +04 08 50 |
STF 2187 AB,C |
2013 |
39 |
179 |
3.3 |
9.10 |
10.05 |
0.95 |
|
<=== |
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 159645 |
|
Constellation |
Ophiuchus |
|
Tycho2 |
0422-01303-1 |
|
Gaia DR2 |
4377448573806397184 |
|
HD |
159645 |
|