21177-1252 KPP 489
21h 17m 39.55s -12° 52' 27.4" P.A. 3.00 sep 3.9 mag 14.10,14.60
| Coord 2000 |
21177-1252 |
|
Discov num |
KPP 489 |
|
Comp |
|
|
Coord arcsec 2000 |
21 17 39.55 -12 52 27.4 |
|
| Date first |
1998 |
|
Date last |
2016 |
|
Obs |
6 |
|
| Pa first |
3 |
|
Pa last |
2.9 |
|
P.A. Now (θ) |
2.9° |
|
| Sep first |
3.9 |
|
Sep last |
3.911 |
|
Sep. Now (ρ) |
3.911" |
|
| Mag pri |
14.10 |
|
Mag sec |
14.60 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
|
|
| Pri motion ra |
-017 |
|
Sec motion ra |
-016 |
|
| Pri motion dec |
-027 |
|
Sec motion dec |
-027 |
|
| Notes |
V
(Proper motion indicates physical) |
|
rPM=0.031 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Aquarius |
|
Gaia DR2 |
6891649547581816576 |
|
