15501-0311 STF3126AB

Coord 2000	15501-0311		Discov num	STF3126		Comp	AB		Coord arcsec 2000	15 50 04.27 -03 10 38.5
Date first	1833		Date last	2018		Obs	31
Pa first	282		Pa last	279		P.A. Now (θ)	279°
Sep first	2.4		Sep last	2.3		Sep. Now (ρ)	2.3"
Mag pri	10.39		Mag sec	10.29		delta mag (ΔM)	0.1		Spectral class	F5 (yellow-white)
Pri motion ra	-015		Sec motion ra	-046
Pri motion dec	-004		Sec motion dec	+007
Notes

rPM=0.707 Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			15 50 04 -03 10 38	STF 3126 AB	2018	31	279	2.3	10.39	10.29	0.10		<===
Show			15 50 04 -03 10 38	STF 3126 AC	2015	8	283	31.7	10.39	13.60	3.21

Triple system
3 visible stars in this system

Precise pa	278.5		Precise sep	2.309		Constellation	Serpens		Tycho2	5022-00267-2
Gaia DR2	4402857596035243776

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
15501-0311	STF3126	AB	1999	23	279	2.3	10.39	10.29			155004.27-031038.5
15501-0311	STF3126	AB	2000	25	279	2.3	10.39	10.29			155004.27-031038.5
15501-0311	STF3126	AB	2013	25	279	2.3	10.39	10.29	F5		155004.27-031038.5
15501-0311	STF3126	AB	2017	26	278	2.3	10.39	10.29	F5		155004.27-031038.5
15501-0311	STF3126	AB	2018	29	279	2.3	10.39	10.29	F5		155004.27-031038.5

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