18557-1646 J 1661
18h 55m 38.49s -16° 47' 09.1" P.A. 98.00 sep 4.5 mag 11.22,13.20
Coord 2000 |
18557-1646 |
|
Discov num |
J 1661 |
|
Comp |
|
|
Coord arcsec 2000 |
18 55 38.49 -16 47 09.1 |
|
Date first |
1941 |
|
Date last |
2015 |
|
Obs |
6 |
|
Pa first |
100 |
|
Pa last |
98 |
|
P.A. Now (θ) |
98° |
|
Sep first |
3.0 |
|
Sep last |
4.525 |
|
Sep. Now (ρ) |
4.525" |
|
Mag pri |
11.22 |
|
Mag sec |
13.20 |
|
delta mag (ΔM) |
1.98 |
|
Spectral class |
|
|
Pri motion ra |
-016 |
|
Sec motion ra |
+119 |
|
Pri motion dec |
-001 |
|
Sec motion dec |
-024 |
|
Notes |
|
|
rPM=1.128
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sagittarius |
|
Tycho2 |
6281-00080-1 |
|
Gaia DR2 |
4100533336238792064 |
|