18465-0058 STF 2379 AB (5 Aql)

Coord 2000	18465-0058		Discov num	STF2379		Comp	AB		Coord arcsec 2000	18 46 28.58 -00 57 41.9
Date first	1796		Date last	2019		Obs	118
Pa first	122		Pa last	120.9		P.A. Now (θ)	120.9°
Sep first	11.2		Sep last	12.523		Sep. Now (ρ)	12.523"
Mag pri	5.88		Mag sec	7.02		delta mag (ΔM)	1.14		Spectral class	A2V (white)
Pri motion ra	+020		Sec motion ra	+027
Pri motion dec	-022		Sec motion dec	-015
Notes	N Z (See Notes, Parallax indicates components are physical)

rPM=0.321 This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		142606	18 46 29 -00 57 42	MCA 53 Aa,Ab	2014	8	95	0.0	5.88	6.80	0.92	Y
Show	5 Aql	142606	18 46 29 -00 57 42	STF 2379 AB	2019	118	121	12.5	5.88	7.02	1.14		<===
Show		142606	18 46 29 -00 57 42	STF 2379 AC	2017	16	155	21.8	5.88	11.30	5.42
Show			18 46 29 -00 57 48	STF 2379 BC	2017	14	172	13.4	7.02	11.30	4.28

Quadruple system
3 estimated visually detectable stars in this system

Name	5 Aql		Constellation	Aquila		SAO	142606		HIP	92117
Tycho2	5114-02267-1		HD	173654		HR	7059		GC	25713
ADS	11667		BD	BD-01 3559		Flamsteed	5 Aquilae		Flamsteed name	5 Aql
Distance	111.86		Distance ly	364.89

discov_num	notes	refcode
MCA 53	Aa,Ab: 5 Aql. A suspected spectroscopic binary, now resolved by
	speckle interferometry.
	Aa,Ab: Malkov et al. (2012) derive dynamical, photometric, and
	spectroscopic masses 12.98 +/- 5.76, 5.05, and 2.09 Msun, respectively.	Mlk2012
STF2379	AB: H 3 33.	MEv2010

refcode	metd	author	reference
MEv2010	-	MacEvoy, B.	...................
MEv2010		private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
Mlk2012	not -	Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A.	2012A&A...546A..69M
Mlk2012		A&A 546, A69, 2012

idgroup	discov	author
1	MCA	McAlister, H.A.
46	MCA	McAlister, H.A., Hartkopf, W.I., Bagnuolo, W.G., Sowell, J.R., Franz, O.G., &
46	MCA	Evans, D.S.
61	MCA	Fu, H.-H., Hartkopf, W.I., Mason, B.D., McAlister, H.A., Dombrowski, E.G., &
61	MCA	Franz, O.G.
62	STF	Struve, F.G.W.

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18465-0058	STF2379	AB	2007	99	121	12.5	5.88	7.02	A2V	ZD	184628.58-005741.9
18465-0058	STF2379	AB	2008	101	121	12.6	5.88	7.02	A2V	ZD	184628.58-005741.9
18465-0058	STF2379	AB	2010	102	121	12.7	5.88	7.02	A2V	NZD	184628.58-005741.9
18465-0058	STF2379	AB	2011	103	121	12.6	5.88	7.02	A2V	NZD	184628.58-005741.9
18465-0058	STF2379	AB	2012	105	121	12.6	5.88	7.02	A2V	NZD	184628.58-005741.9
18465-0058	STF2379	AB	2013	107	121	12.5	5.88	7.02	A2V	NZD	184628.58-005741.9
18465-0058	STF2379	AB	2015	108	121	12.5	5.88	7.02	A2V	NZ	184628.58-005741.9
18465-0058	STF2379	AB	2016	110	121	12.7	5.88	7.02	A2V	NZ	184628.58-005741.9
18465-0058	STF2379	AB	2017	111	122	12.6	5.88	7.02	A2V	NZ	184628.58-005741.9
18465-0058	STF2379	AB	2018	112	122	12.6	5.88	7.02	A2V	NZ	184628.58-005741.9
18465-0058	STF2379	AB	2019	117	121	12.5	5.88	7.02	A2V	NZ	184628.58-005741.9

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Show	date	username	difficulty	separation	pa_estim	interest	notes
Show	22/06/18	daedalus1	difficut	separated	121		Seeing Pickering 3, Poor. Measures: theta 121, rho 13.0 +/- 0.668

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