17544+2030 BRT 2837
17h 54m 28.66s +20° 30' 17.7" P.A. 281.00 sep 2.8 mag 11.00,11.30
Coord 2000 |
17544+2030 |
|
Discov num |
BRT2837 |
|
Comp |
|
|
Coord arcsec 2000 |
17 54 28.66 +20 30 17.7 |
|
Date first |
1942 |
|
Date last |
2015 |
|
Obs |
5 |
|
Pa first |
280 |
|
Pa last |
280.7 |
|
P.A. Now (θ) |
280.7° |
|
Sep first |
2.9 |
|
Sep last |
2.763 |
|
Sep. Now (ρ) |
2.763" |
|
Mag pri |
11.00 |
|
Mag sec |
11.30 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
|
|
Pri motion ra |
+009 |
|
Sec motion ra |
|
|
Pri motion dec |
-017 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
Tycho2 |
1561-00447-1 |
|
Gaia DR2 |
4552005390565153280 |
|