18302-2135 ARA 1537
18h 30m 13.84s -21° 34' 59.9" P.A. 77.00 sep 13.4 mag 12.70,13.00
| Coord 2000 |
18302-2135 |
|
Discov num |
ARA1537 |
|
Comp |
|
|
Coord arcsec 2000 |
18 30 13.84 -21 34 59.9 |
|
| Date first |
1922 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
76 |
|
Pa last |
77.4 |
|
P.A. Now (θ) |
77.4° |
|
| Sep first |
13.0 |
|
Sep last |
13.445 |
|
Sep. Now (ρ) |
13.445" |
|
| Mag pri |
12.70 |
|
Mag sec |
13.00 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
|
|
| Pri motion ra |
-002 |
|
Sec motion ra |
-005 |
|
| Pri motion dec |
-002 |
|
Sec motion dec |
+010 |
|
| Notes |
|
|
rPM=1.106
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagittarius |
|
Gaia DR2 |
4090103643820701568 |
|
