18163-2137 BRT 1523
18h 16m 18.70s -21° 37' 23.9" P.A. 175.00 sep 4.3 mag 12.10,12.30
Coord 2000 |
18163-2137 |
|
Discov num |
BRT1523 |
|
Comp |
|
|
Coord arcsec 2000 |
18 16 18.70 -21 37 23.9 |
|
Date first |
1920 |
|
Date last |
2015 |
|
Obs |
7 |
|
Pa first |
168 |
|
Pa last |
174.9 |
|
P.A. Now (θ) |
174.9° |
|
Sep first |
4.4 |
|
Sep last |
4.278 |
|
Sep. Now (ρ) |
4.278" |
|
Mag pri |
12.10 |
|
Mag sec |
12.30 |
|
delta mag (ΔM) |
0.2 |
|
Spectral class |
|
|
Pri motion ra |
-003 |
|
Sec motion ra |
-009 |
|
Pri motion dec |
+038 |
|
Sec motion dec |
-009 |
|
Notes |
|
|
rPM=1.243
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sagittarius |
|
Gaia DR2 |
4090841622275058432 |
|