17573+1607 HEI 256
17h 57m 20.38s +16° 07' 16.6" P.A. 349.00 sep 2.1 mag 11.50,13.30
Coord 2000 |
17573+1607 |
|
Discov num |
HEI 256 |
|
Comp |
|
|
Coord arcsec 2000 |
17 57 20.38 +16 07 16.6 |
|
Date first |
1982 |
|
Date last |
2016 |
|
Obs |
4 |
|
Pa first |
348 |
|
Pa last |
349.3 |
|
P.A. Now (θ) |
349.3° |
|
Sep first |
1.6 |
|
Sep last |
2.121 |
|
Sep. Now (ρ) |
2.121" |
|
Mag pri |
11.50 |
|
Mag sec |
13.30 |
|
delta mag (ΔM) |
1.8 |
|
Spectral class |
|
|
Pri motion ra |
+005 |
|
Sec motion ra |
|
|
Pri motion dec |
+008 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
Tycho2 |
1553-01397-1 |
|
Gaia DR2 |
4501762279020274688 |
|