18377-2243 ARA 1894
18h 37m 44.37s -22° 43' 24.8" P.A. 270.00 sep 7.3 mag 11.20,12.90
Coord 2000 |
18377-2243 |
|
Discov num |
ARA1894 |
|
Comp |
|
|
Coord arcsec 2000 |
18 37 44.37 -22 43 24.8 |
|
Date first |
1921 |
|
Date last |
2015 |
|
Obs |
9 |
|
Pa first |
265 |
|
Pa last |
269.7 |
|
P.A. Now (θ) |
269.7° |
|
Sep first |
7.7 |
|
Sep last |
7.271 |
|
Sep. Now (ρ) |
7.271" |
|
Mag pri |
11.20 |
|
Mag sec |
12.90 |
|
delta mag (ΔM) |
1.7 |
|
Spectral class |
|
|
Pri motion ra |
+016 |
|
Sec motion ra |
-001 |
|
Pri motion dec |
-004 |
|
Sec motion dec |
-001 |
|
Notes |
|
|
rPM=1.047
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sagittarius |
|
Gaia DR2 |
4079213908889582464 |
|