17205+3439 POP 218
17h 20m 29.02s +34° 40' 36.2" P.A. 89.00 sep 30.7 mag 10.43,10.47 Sp F8+F8
Coord 2000 |
17205+3439 |
|
Discov num |
POP 218 |
|
Comp |
|
|
Coord arcsec 2000 |
17 20 29.02 +34 40 36.2 |
|
Date first |
1930 |
|
Date last |
2017 |
|
Obs |
18 |
|
Pa first |
90 |
|
Pa last |
89.2 |
|
P.A. Now (θ) |
89.2° |
|
Sep first |
30.5 |
|
Sep last |
30.71 |
|
Sep. Now (ρ) |
30.71" |
|
Mag pri |
10.43 |
|
Mag sec |
10.47 |
|
delta mag (ΔM) |
0.04 |
|
Spectral class |
F8+F8 (yellow-white/yellow-white) |
|
Pri motion ra |
-004 |
|
Sec motion ra |
-005 |
|
Pri motion dec |
-040 |
|
Sec motion dec |
-040 |
|
Notes |
|
|
rPM=0.025 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
Tycho2 |
2600-01629-1 |
|
Gaia DR2 |
1336470887668157824 |
|