17440+2517 TDT 482
17h 44m 00.74s +25° 16' 49.7" P.A. 19.00 sep 0.6 mag 11.02,11.47
Coord 2000 |
17440+2517 |
|
Discov num |
TDT 482 |
|
Comp |
|
|
Coord arcsec 2000 |
17 44 00.74 +25 16 49.7 |
|
Date first |
1991 |
|
Date last |
2012 |
|
Obs |
2 |
|
Pa first |
16 |
|
Pa last |
18.6 |
|
P.A. Now (θ) |
18.6° |
|
Sep first |
0.7 |
|
Sep last |
0.589 |
|
Sep. Now (ρ) |
0.589" |
|
Mag pri |
11.02 |
|
Mag sec |
11.47 |
|
delta mag (ΔM) |
0.45 |
|
Spectral class |
|
|
Pri motion ra |
-002 |
|
Sec motion ra |
-002 |
|
Pri motion dec |
-030 |
|
Sec motion dec |
-030 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
Tycho2 |
2081-00395-1 |
|