17549+2713 TDT 568 AB
17h 54m 52.87s +27° 12' 58.8" P.A. 2.00 sep 0.5 mag 10.87,10.96
| Coord 2000 |
17549+2713 |
|
Discov num |
TDT 568 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 54 52.87 +27 12 58.8 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
2 |
|
Pa last |
2.2 |
|
P.A. Now (θ) |
2.2° |
|
| Sep first |
0.5 |
|
Sep last |
0.51 |
|
Sep. Now (ρ) |
0.51" |
|
| Mag pri |
10.87 |
|
Mag sec |
10.96 |
|
delta mag (ΔM) |
0.09 |
|
Spectral class |
|
|
| Pri motion ra |
-001 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
-019 |
|
Sec motion dec |
-019 |
|
| Notes |
|
|
Nature of this double is uncertain.
17549+2713 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
17 54 53 +27 12 59 |
TDT 568 AB |
1991 |
1 |
2 |
0.5 |
10.87 |
10.96 |
0.09 |
|
<=== |
| Show |
|
|
17 54 53 +27 12 59 |
TDT 568 AC |
2013 |
1 |
90 |
1.8 |
10.87 |
|
|
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Tycho2 |
2098-01966-1 |
|
