18140-1801 TDT 754 (HD 166997)
18h 13m 58.73s -18° 01' 23.7" P.A. 91.00 sep 0.5 mag 10.68,10.98
| Coord 2000 |
18140-1801 |
|
Discov num |
TDT 754 |
|
Comp |
|
|
Coord arcsec 2000 |
18 13 58.73 -18 01 23.7 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
91 |
|
Pa last |
90.5 |
|
P.A. Now (θ) |
90.5° |
|
| Sep first |
0.5 |
|
Sep last |
0.5 |
|
Sep. Now (ρ) |
0.5" |
|
| Mag pri |
10.68 |
|
Mag sec |
10.98 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
|
|
| Pri motion ra |
+003 |
|
Sec motion ra |
+003 |
|
| Pri motion dec |
+000 |
|
Sec motion dec |
+000 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 166997 |
|
Constellation |
Sagittarius |
|
Tycho2 |
6268-01906-1 |
|
Gaia DR2 |
4095714073695684736 |
|
| HD |
166997 |
|
