20041+1704 STT 592AC

Coord 2000	20041+1704		Discov num	STT 592		Comp	AC		Coord arcsec 2000	20 04 06.22 +17 04 12.6
Date first	1853		Date last	2015		Obs	29
Pa first	309		Pa last	335		P.A. Now (θ)	335°
Sep first	203.7		Sep last	217.0		Sep. Now (ρ)	217"
Mag pri	5.86		Mag sec	6.92		delta mag (ΔM)	1.06		Spectral class	G1V (yellow)
Pri motion ra	-395		Sec motion ra	+023
Pri motion dec	-408		Sec motion dec	+017
Notes	N L U (See Notes, Linear solution, Proper motion indicates non-physical)

Visually invisible, K-band or other infrared star rPM=1.05 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		105635	20041+1704	LIM 3	Aa,Ab	2001	2006	5	155	0.8	4.59	14.39	9.80
Show		105635	20041+1704	SBN 1	Aa,Ac	1999	2006	2	149	5.5	4.59
Show	15 Sge	105635	20041+1704	STT 592	AB	1853	2015	27	291	163.2	5.86	9.50	3.64
Show		105635	20041+1704	STT 592	AC	1853	2015	29	335	217.0	5.86	6.92	1.06		<===
Show		105635	20041+1704	BUP 202	AD	1908	2015	11	3	89.1	5.86	11.34	5.48
Show		105635	20041+1704	BUP 202	AE	1984	2013	6	51	175.0	5.86	11.77	5.91
Show		105635	20041+1704	BUP 202	AF	1984	2015	6	315	142.4	5.86	12.31	6.45
Show		105635	20041+1704	SMR 20	AI	2000	2015	5	129	132.1	5.86	11.14	5.28
Show		105635	20041+1704	TNN 14	AJ	2004	2004	1	283	3.3	4.39	13.53	9.14
Show		105635	20041+1704	TNN 14	AK	1999	2004	2	162	6.2	4.39	12.38	7.99
Show		105635	20041+1704	TNN 14	AL	1999	2004	2	140	9.3	4.39	12.97	8.58
Show		105627	20041+1704	ENG 69	BC	1853	2015	24	24	152.0	9.50	6.92	2.58
Show		105627	20041+1704	STTA202	BG	1851	2015	23	230	181.4	9.50	9.01	0.49
Show		105629	20041+1704	BUP 202	CH	1900	2015	7	185	95.6	6.92	12.31	5.39

14-fold system
12 visible stars in this system

Precise pa	334.9		Precise sep	216.984		Constellation	Sagitta		SAO	105635
HIP	98819		Tycho2	1621-01499-1		HD	190406		HR	7672
GC	27835		GL	Gl 779		BD	BD+16 4121		Flamsteed	15 Sagittae
Flamsteed name	15 Sge		Distance	17.77		Distance ly	57.97

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20041+1704	STT 592	AC	2001	22	333	213.9	5.86	6.92	G1V	NYD	200406.47+170416.2
20041+1704	STT 592	AC	2009	23	335	214.8	5.86	6.92	G1V	NYDU	200406.47+170416.2
20041+1704	STT 592	AC	2010	24	335	214.8	5.86	6.92	G1V	NYDU	200406.47+170416.2
20041+1704	STT 592	AC	2012	26	335	216.3	5.86	6.92	G1V	NYDU	200406.47+170416.2
20041+1704	STT 592	AC	2013	28	335	215.1	5.86	6.92	G1V	NLD	200406.47+170416.2
20041+1704	STT 592	AC	2015	29	335	217.0	5.86	6.92	G1V	NL U	200406.22+170412.6

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