20258-4420 BRT1108

Coord 2000	20258-4420		Discov num	BRT1108		Comp			Coord arcsec 2000	20 25 49.87 -44 19 32.0
Date first	1901		Date last	2015		Obs	7
Pa first	203		Pa last	191		P.A. Now (θ)	191°
Sep first	4.2		Sep last	12.2		Sep. Now (ρ)	12.2"
Mag pri	13.00		Mag sec	13.90		delta mag (ΔM)	0.9		Spectral class
Pri motion ra	+026		Sec motion ra	+016
Pri motion dec	-011		Sec motion dec	-102
Notes	R (Red magnitudes)

Visually invisible, K-band or other infrared star rPM=0.887 This double is not physical.

Precise pa

190.7

Precise sep

12.23

Constellation

Sagittarius

Gaia DR2

67000787840

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20258-4420	BRT1108		1901	1	203	4.2	13.09	13.06		B	202549.71-441929.8
20258-4420	BRT1108		2000	3	191	11.4	13.09	13.06		B	202549.71-441929.8
20258-4420	BRT1108		2010	6	191	11.7	13.09	13.06		B	202549.71-441929.8
20258-4420	BRT1108		2015	8	191	12.2	13.00	13.90		R	202549.87-441932.0

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