19407+2343 STF2560AC

Coord 2000	19407+2343		Discov num	STF2560		Comp	AC		Coord arcsec 2000	19 40 39.58 +23 43 04.7
Date first	1879		Date last	2015		Obs	22
Pa first	67		Pa last	66		P.A. Now (θ)	66°
Sep first	119.5		Sep last	118.2		Sep. Now (ρ)	118.2"
Mag pri	6.64		Mag sec	8.25		delta mag (ΔM)	1.61		Spectral class	B6IV (blue-white)
Pri motion ra	-003		Sec motion ra	-006
Pri motion dec	-010		Sec motion dec	-009
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=0.292 (< 0.3, Physical double) This double is physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		87551	19407+2343	STF2560	AB	1879	2015	27	299	14.2	6.64	10.51	3.87
Show		87551	19407+2343	STF2560	AC	1879	2015	22	66	118.2	6.64	8.25	1.61		<===
Show		87551	19407+2343	FYM 77	AG	1997	2015	5	10	17.5	6.64	14.52	7.88
Show		87551	19407+2343	FYM 77	AI	1997	2015	5	243	22.9	6.64	15.07	8.43
Show		87555	19407+2343	FYM 103	CD	2013	2013	1	94	31.0	8.25	14.80	6.55

Sextuple system
6 visible stars in this system

Precise pa	66.4		Precise sep	118.202		Constellation	Vulpecula		SAO	87551
HIP	96801		Tycho2	2139-02391-1		Gaia DR2	63554767104		HD	185915
HR	7485		BD	BD+23 3733		Distance	510.2		Distance ly	1664.27

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19407+2343	STF2560	AC	2005	17	66	118.4	6.64	8.25		N D	194039.58+234304.7
19407+2343	STF2560	AC	2012	19	66	117.7	6.64	8.25		N D	194039.58+234304.7
19407+2343	STF2560	AC	2014	20	66	117.7	6.64	8.25	B6IV	N	194039.58+234304.7
19407+2343	STF2560	AC	2015	21	66	118.2	6.64	8.25	B6IV	N	194039.58+234304.7

If you need more information about this double, apply for a data request form to the WDS.