19597-3517 ISO  11 (The1 Sgr)

Coord 2000	19597-3517		Discov num	ISO  11		Comp			Coord arcsec 2000	19 59 44.17 -35 16 34.5
Date first	1987		Date last	1987		Obs	1
Pa first	175		Pa last	175		P.A. Now (θ)	175°
Sep first	0.2		Sep last	0.2		Sep. Now (ρ)	0.2"
Mag pri	4.37		Mag sec			delta mag (ΔM)			Spectral class	B3IV (blue-white)
Pri motion ra	+006		Sec motion ra
Pri motion dec	-026		Sec motion dec
Notes	N X (See Notes, Dubious double)

Visually invisible, K-band or other infrared star Nature of this double is uncertain.

Precise pa	175		Precise sep	0.18		Name	The1 Sgr		Constellation	Sagittarius
SAO	211716		HIP	98412		Tycho2	7448-01357-1		Gaia DR2	23804924544
HD	189103		HR	7623		GC	27670		CD	CD-3513831
CP	CP-35 8699		Bayer	Theta 1 Sagittarii		Bayer name	The1 Sgr		Distance	158.98
Distance ly	518.59

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19597-3517	ISO 11		1987	1	175	0.2	4.37		B3IV	N	195944.17-351634.5

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