17087+2725 TDT 229 AB
17h 08m 42.50s +27° 24' 38.7" P.A. 177.00 sep 1.0 mag 11.07,11.54
Coord 2000 |
17087+2725 |
|
Discov num |
TDT 229 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 08 42.50 +27 24 38.7 |
|
Date first |
1991 |
|
Date last |
2016 |
|
Obs |
6 |
|
Pa first |
181 |
|
Pa last |
176.9 |
|
P.A. Now (θ) |
176.9° |
|
Sep first |
1.0 |
|
Sep last |
1.046 |
|
Sep. Now (ρ) |
1.046" |
|
Mag pri |
11.07 |
|
Mag sec |
11.54 |
|
delta mag (ΔM) |
0.47 |
|
Spectral class |
|
|
Pri motion ra |
-002 |
|
Sec motion ra |
-002 |
|
Pri motion dec |
+009 |
|
Sec motion dec |
+009 |
|
Notes |
|
|
Nature of this double is uncertain.
17087+2725 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
17 08 42 +27 24 39 |
GII 240 Aa,Ab |
2013 |
1 |
178 |
0.1 |
11.80 |
11.80 |
0.00 |
|
|
Show |
|
|
17 08 42 +27 24 39 |
TDT 229 AB |
2016 |
6 |
177 |
1.0 |
11.07 |
11.54 |
0.47 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
Tycho2 |
2068-01510-1 |
|