17346+0935 STFA 34 AB (53 Oph)

17^h 34^m 36.69^s +09° 35' 12.2" P.A. 189.00 sep 41.3 mag 5.80,7.50 Sp A2V dist. 103.52 pc (337.68 l.y.)

Coord 2000	17346+0935		Discov num	STFA 34		Comp	AB		Coord arcsec 2000	17 34 36.69 +09 35 12.2
Date first	1800		Date last	2019		Obs	96
Pa first	196		Pa last	189.2		P.A. Now (θ)	189.2°
Sep first	42.6		Sep last	41.314		Sep. Now (ρ)	41.314"
Mag pri	5.80		Mag sec	7.50		delta mag (ΔM)	1.7		Spectral class	A2V (white)
Pri motion ra	+006		Sec motion ra	+002
Pri motion dec	-010		Sec motion dec	-008
Notes	N (See Notes)

rPM=0.383

Nature of this double is uncertain.

17346+0935 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		122526	17 34 37 +09 35 12	YSC 63 Aa,Ab	2013	4	281	0.4	5.80	10.10	4.30
Show	53 Oph	122526	17 34 37 +09 35 12	STFA 34 AB	2019	96	189	41.3	5.80	7.50	1.70		<===
Show		122526	17 34 37 +09 35 12	STFA 34 AC	2013	10	343	96.6	5.80	11.90	6.10
Show		122526	17 34 37 +09 35 12	STFA 34 AD	2020	8	213	127.0	5.80	11.98	6.18
Show			17 34 36 +09 34 32	STFA 34 BD	2015	11	223	90.6	7.50	11.98	4.48

Quintuple system
4 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	53 Oph		Var name	f Oph		Constellation	Ophiuchus		SAO	122526
HIP	85998		Tycho2	0996-00317-1		Gaia DR2	4490874571284776832		HD	159480
HR	6548		GC	23824		ADS	10635		BD	BD+09 3424
Flamsteed	53 Ophiuchi		Flamsteed name	53 Oph		Distance	103.52		Distance ly	337.68

WDS 17346+0935 STFA 34 AB (53 Oph) : NOTES

discov_num	notes	refcode
STFA 34	53 Oph = f Oph. STTA155. B is BD+09@3423.
	AB: H 5 30.	MEv2010

REFERENCES

refcode	metd	author	reference
MEv2010	-	MacEvoy, B.	...................
MEv2010		private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)

DISCOVERER

idgroup	discov	author
1	STF	Struve, F.G.W.
34	YSC	Yale-Southern Connecticut (from additional DD list - see HOR)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
17346+0935	STFA 34	AB	2006	79	190	41.4	5.80	7.50	A2V	N D	173436.69+093512.2
17346+0935	STFA 34	AB	2008	80	190	41.0	5.80	7.50	A2V	N D	173436.69+093512.2
17346+0935	STFA 34	AB	2010	81	190	41.3	5.80	7.50	A2V	N D	173436.69+093512.2
17346+0935	STFA 34	AB	2012	82	190	41.1	5.80	7.50	A2V	N D	173436.69+093512.2
17346+0935	STFA 34	AB	2013	87	190	41.1	5.80	7.50	A2V	N D	173436.69+093512.2
17346+0935	STFA 34	AB	2014	89	190	41.2	5.80	7.50	A2V	N D	173436.69+093512.2
17346+0935	STFA 34	AB	2015	89	190	41.2	5.80	7.50	A2V	N	173436.69+093512.2
17346+0935	STFA 34	AB	2016	90	190	41.4	5.80	7.50	A2V	N	173436.69+093512.2
17346+0935	STFA 34	AB	2017	91	191	41.2	5.80	7.50	A2V	N	173436.69+093512.2
17346+0935	STFA 34	AB	2018	92	191	41.2	5.80	7.50	A2V	N	173436.69+093512.2
17346+0935	STFA 34	AB	2019	94	190	41.3	5.80	7.50	A2V	N	173436.69+093512.2

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

WDS 17346+0935 STFA 34 AB (53 Oph) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 17346+0935 STFA 34 AB (53 Oph) : MEASURES

Records found: 1

Show	date	username	difficulty	sep	sep_sigma	pa	pa_sigma	delta_mag	#	notes
Show	12/07/18	Robert		47.00	0.00	189.00	0.00		2

WDS 17346+0935 (53 Oph) : VIRTUAL EYEPIECE

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WDS 17346+0935 (53 Oph) : ALADIN DSS IMAGE @

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Error -22130
Not valid ID.

Error -22130
Not valid ID.
Error -27220
Not valid ID.