17308-7329 HEI 390
17h 30m 47.36s -73° 29' 30.8" P.A. 272.00 sep 0.7 mag 11.32,11.72
Coord 2000 |
17308-7329 |
|
Discov num |
HEI 390 |
|
Comp |
|
|
Coord arcsec 2000 |
17 30 47.36 -73 29 30.8 |
|
Date first |
1985 |
|
Date last |
1991 |
|
Obs |
2 |
|
Pa first |
279 |
|
Pa last |
271.7 |
|
P.A. Now (θ) |
271.7° |
|
Sep first |
0.5 |
|
Sep last |
0.71 |
|
Sep. Now (ρ) |
0.71" |
|
Mag pri |
11.32 |
|
Mag sec |
11.72 |
|
delta mag (ΔM) |
0.4 |
|
Spectral class |
|
|
Pri motion ra |
-001 |
|
Sec motion ra |
-001 |
|
Pri motion dec |
-012 |
|
Sec motion dec |
-012 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Apus |
|
Tycho2 |
9288-00520-1 |
|
Gaia DR2 |
5803296210480264064 |
|