19399-1703 ARN  53

Coord 2000	19399-1703		Discov num	ARN  53		Comp			Coord arcsec 2000	19 39 56.82 -17 03 06.3
Date first	1896		Date last	2016		Obs	15
Pa first	253		Pa last	254		P.A. Now (θ)	254°
Sep first	26.1		Sep last	26.8		Sep. Now (ρ)	26.8"
Mag pri	9.83		Mag sec	10.66		delta mag (ΔM)	0.83		Spectral class	F5 (yellow-white)
Pri motion ra	-017		Sec motion ra	-021
Pri motion dec	-022		Sec motion dec	-027
Notes

rPM=0.187 (< 0.3, Physical double) This double is physical.

Precise pa	253.9		Precise sep	26.755		Constellation	Sagittarius		SAO	162865
Tycho2	6303-01280-1		Gaia DR2	52017755520

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19399-1703	ARN 53		2003	9	254	26.7	9.83	10.66		D	193956.82-170306.3
19399-1703	ARN 53		2010	12	254	26.6	9.83	10.66	F5		193956.82-170306.3
19399-1703	ARN 53		2016	13	254	26.8	9.83	10.66	F5		193956.82-170306.3

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