17257-2138 TDT 345 (HD 157706)
17h 25m 43.19s -21° 37' 40.0" P.A. 303.00 sep 1.7 mag 10.94,11.35
Coord 2000 |
17257-2138 |
|
Discov num |
TDT 345 |
|
Comp |
|
|
Coord arcsec 2000 |
17 25 43.19 -21 37 40.0 |
|
Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
Pa first |
303 |
|
Pa last |
303.3 |
|
P.A. Now (θ) |
303.3° |
|
Sep first |
1.7 |
|
Sep last |
1.68 |
|
Sep. Now (ρ) |
1.68" |
|
Mag pri |
10.94 |
|
Mag sec |
11.35 |
|
delta mag (ΔM) |
0.41 |
|
Spectral class |
|
|
Pri motion ra |
+001 |
|
Sec motion ra |
+001 |
|
Pri motion dec |
+004 |
|
Sec motion dec |
+004 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 157706 |
|
Constellation |
Ophiuchus |
|
Tycho2 |
6246-00182-1 |
|
Gaia DR2 |
4120818505476194176 |
|
HD |
157706 |
|