17165+3448 POP 77 AB
17h 16m 30.78s +34° 49' 02.7" P.A. 323.00 sep 5.5 mag 10.91,13.60
Coord 2000 |
17165+3448 |
|
Discov num |
POP 77 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 16 30.78 +34 49 02.7 |
|
Date first |
1972 |
|
Date last |
2017 |
|
Obs |
22 |
|
Pa first |
321 |
|
Pa last |
322.8 |
|
P.A. Now (θ) |
322.8° |
|
Sep first |
4.4 |
|
Sep last |
5.5 |
|
Sep. Now (ρ) |
5.5" |
|
Mag pri |
10.91 |
|
Mag sec |
13.60 |
|
delta mag (ΔM) |
2.69 |
|
Spectral class |
|
|
Pri motion ra |
-058 |
|
Sec motion ra |
|
|
Pri motion dec |
+018 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
17165+3448 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
17 16 31 +34 49 03 |
POP 77 AB |
2017 |
22 |
323 |
5.5 |
10.91 |
13.60 |
2.69 |
|
<=== |
Show |
|
|
17 16 31 +34 49 03 |
POP 77 AC |
2015 |
28 |
343 |
62.4 |
10.91 |
11.43 |
0.52 |
|
|
Show |
|
|
17 16 29 +34 50 03 |
POP 77 CD |
2017 |
16 |
81 |
10.4 |
11.43 |
13.70 |
2.27 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
Tycho2 |
2600-00911-1 |
|
Gaia DR2 |
1335218509564690816 |
|