18420+2221 TDT 1008
18h 41m 58.15s +22° 20' 55.2" P.A. 41.00 sep 2.4 mag 12.88,14.21
Coord 2000 |
18420+2221 |
|
Discov num |
TDT1008 |
|
Comp |
|
|
Coord arcsec 2000 |
18 41 58.15 +22 20 55.2 |
|
Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
Pa first |
41 |
|
Pa last |
41 |
|
P.A. Now (θ) |
41° |
|
Sep first |
2.4 |
|
Sep last |
2.36 |
|
Sep. Now (ρ) |
2.36" |
|
Mag pri |
12.88 |
|
Mag sec |
14.21 |
|
delta mag (ΔM) |
1.33 |
|
Spectral class |
|
|
Pri motion ra |
+007 |
|
Sec motion ra |
+007 |
|
Pri motion dec |
+004 |
|
Sec motion dec |
+004 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
Tycho2 |
1595-00595-1 |
|
Gaia DR2 |
4532014065848947712 |
|