20042+1148 STF2620AC

Coord 2000	20042+1148		Discov num	STF2620		Comp	AC		Coord arcsec 2000	20 04 09.25 +11 47 40.3
Date first	1906		Date last	2015		Obs	7
Pa first	45		Pa last	46		P.A. Now (θ)	46°
Sep first	38.9		Sep last	39.1		Sep. Now (ρ)	39.1"
Mag pri	8.23		Mag sec	11.83		delta mag (ΔM)	3.6		Spectral class	B9 (blue-white)
Pri motion ra	+008		Sec motion ra	+010
Pri motion dec	-008		Sec motion dec	+004
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=1.075 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	V1470 Aql	105633	20042+1148	STF2620	AB	1830	2016	54	287	1.9	8.23	9.18	0.95
Show		105633	20042+1148	STF2620	AC	1906	2015	7	46	39.1	8.23	11.83	3.60		<===

Triple system
3 visible stars in this system

Precise pa	45.7		Precise sep	39.116		Var name	V1470 Aql		Constellation	Aquila
SAO	105633		HIP	98826		Tycho2	1080-01235-1		Gaia DR2	00345697792
HD	190341		BD	BD+11 4114		Distance	4347.83		Distance ly	14182.62

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20042+1148	STF2620	AC	2000	4	46	39.4	8.23	12.00	B9	D	200409.25+114740.3
20042+1148	STF2620	AC	2001	6	46	39.2	8.23	12.00	B9	N D	200409.25+114740.3
20042+1148	STF2620	AC	2015	7	46	39.1	8.23	11.83	B9	N	200409.25+114740.3

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