13398-5409 KOU 21

13^h 39^m 45.73^s -54° 08' 53.3" P.A. 171.00 sep 7.4 mag 7.35,15.36 Sp B9.5V dist. 129.7 pc (423.08 l.y.)

Coord 2000	13398-5409	Discov num	KOU 21	Comp		Coord arcsec 2000	13 39 45.73 -54 08 53.3
Date first	2000	Date last	2016	Obs	4
Pa first	173	Pa last	171	P.A. Now (θ)	171°
Sep first	6.4	Sep last	7.4	Sep. Now (ρ)	7.4"
Mag pri	7.35	Mag sec	15.36	delta mag (ΔM)	8.01	Spectral class	B9.5V (blue-white)
Pri motion ra	-025	Sec motion ra	-005
Pri motion dec	-018	Sec motion dec	+001
Notes	S K (Parallax indidates non-physical, K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star

rPM=0.895

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
13398-5409	KOU 21		2000	2	173	7.6	7.35	15.36		UDK	133945.73-540853.3

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