16577+2358 SKF 2730
16h 57m 43.32s +23° 57' 40.8" P.A. 48.00 sep 1.3 mag 19.50,20.90 Sp DA+M4
Coord 2000 |
16577+2358 |
|
Discov num |
SKF2730 |
|
Comp |
|
|
Coord arcsec 2000 |
16 57 43.32 +23 57 40.8 |
|
Date first |
2003 |
|
Date last |
2015 |
|
Obs |
2 |
|
Pa first |
52 |
|
Pa last |
47.6 |
|
P.A. Now (θ) |
47.6° |
|
Sep first |
1.1 |
|
Sep last |
1.268 |
|
Sep. Now (ρ) |
1.268" |
|
Mag pri |
19.50 |
|
Mag sec |
20.90 |
|
delta mag (ΔM) |
1.4 |
|
Spectral class |
DA+M4 (white dwarf/red) |
|
Pri motion ra |
+020 |
|
Sec motion ra |
|
|
Pri motion dec |
-033 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
Gaia DR2 |
4572362161154058880 |
|