18220+2401 TDT 817
18h 21m 58.56s +24° 00' 36.6" P.A. 199.00 sep 1.3 mag 11.71,12.91
| Coord 2000 |
18220+2401 |
|
Discov num |
TDT 817 |
|
Comp |
|
|
Coord arcsec 2000 |
18 21 58.56 +24 00 36.6 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
199 |
|
Pa last |
199.2 |
|
P.A. Now (θ) |
199.2° |
|
| Sep first |
1.3 |
|
Sep last |
1.31 |
|
Sep. Now (ρ) |
1.31" |
|
| Mag pri |
11.71 |
|
Mag sec |
12.91 |
|
delta mag (ΔM) |
1.2 |
|
Spectral class |
|
|
| Pri motion ra |
+006 |
|
Sec motion ra |
+006 |
|
| Pri motion dec |
-008 |
|
Sec motion dec |
-008 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Tycho2 |
2093-00736-1 |
|
Gaia DR2 |
4530563848675379968 |
|
HD |
341998 |
|
