21570-4139 UC 4608

 
 
21h 57m 01.69s -41 39' 26.7" P.A. 88 sep 17.5 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
2015
Obs
7
Pa first
91
Pa last
88
P.A. Now (θ)
88°
Sep first
16.7
Sep last
17.5
Sep. Now (ρ)
17.5"
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=0.069 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
88.4
Precise sep
17.489
Cdsa2 id
UC 4608
Constellation
Grus
Ra deg
21.950469444444444
De deg
-41.65741666666666
last precise pa
88.4
last precise sep
17.489
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21570-4139 UC 4608 1999 4 89 17.2 12.00 12.60 V 215701.69-413926.7
21570-4139 UC 4608 2000 2 88 17.3 12.00 12.60 V 215701.69-413926.7
21570-4139 UC 4608 2010 6 88 17.2 12.00 12.60 V R 215701.69-413926.7
21570-4139 UC 4608 2015 7 88 17.5 12.00 12.60 V R 215701.69-413926.7

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