01215-4221 BRT 642

 
 
01h 21m 32.92s -42 21' 09.3" P.A. 217 sep 3.7 mag 12.80,13.00
 
 
Coord 2000
01215-4221
Discov num
BRT 642
Comp
Coord arcsec 2000
01 21 32.92 -42 21 09.3
Date first
1899
Date last
2015
Obs
5
Pa first
228
Pa last
217
P.A. Now (θ)
217°
Sep first
2.4
Sep last
3.7
Sep. Now (ρ)
3.7"
Mag pri
12.80
Mag sec
13.00
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
-040
Sec motion ra
Pri motion dec
-064
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
216.5
Precise sep
3.678
Constellation
Phoenix
last precise pa
216.5
last precise sep
3.678
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01215-4221 BRT 642 1899 1 228 2.4 12.80 13.00 012132.92-422109.3
01215-4221 BRT 642 2000 2 216 3.8 12.80 13.00 012132.92-422109.3
01215-4221 BRT 642 2015 4 217 3.7 12.80 13.00 012132.92-422109.3

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