21570-4139 UC 4608

 
 
21H 57M 01.69S -41 39' 26.7" P.A. 88 SEP 17.3 MAG 12.00,12.60
 
 
Coord 2000
21570-4139
Discov num
UC 4608
Comp
Coord arcsec 2000
21 57 01.69 -41 39 26.7
Date first
1901
Date last
2010
Obs
6
Pa first
91
Pa last
88
P.A. Now (θ)
88°
Sep first
16.7
Sep last
17.3
Sep. Now (ρ)
17.3"
Mag pri
12.00
Mag sec
12.60
delta mag (ΔM)
0.6
Spectral class
Pri motion ra
+036
Sec motion ra
+039
Pri motion dec
-044
Sec motion dec
-047
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.06900000000000001 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Grus
Tycho2
7990-00076-1
last precise pa
88.4
last precise sep
17.25