02170+3451 NSN 525 AB

02^h 16^m 58.28^s +34° 51' 08.5" P.A. 106.00 sep 10.1 mag 10.45,15.99

Coord 2000	02170+3451	Discov num	NSN 525	Comp	AB	Coord arcsec 2000	02 16 58.28 +34 51 08.5
Date first	1997	Date last	2016	Obs	5
Pa first	95	Pa last	105.6	P.A. Now (θ)	105.6°
Sep first	10.3	Sep last	10.11	Sep. Now (ρ)	10.11"
Mag pri	10.45	Mag sec	15.99	delta mag (ΔM)	5.54	Spectral class
Pri motion ra	+146	Sec motion ra	+144
Pri motion dec	-052	Sec motion dec	-053
Notes	T (Parallax indicates physical)

rPM=0.014 (< 0.3, Physical double)

This double is physical.

02170+3451 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			02 16 58 +34 51 08	NSN 525 AB	2016	5	106	10.1	10.45	15.99	5.54		<===
Show			02 16 58 +34 51 08	NSN 525 AC	2015	3	118	10.3	10.45	16.25	5.80
Show			02 16 59 +34 51 08	NSN 525 BC	2016	5	198	4.2	15.99	16.25	0.26

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Triangulum

Tycho2

2318-01014-1

WDS 02170+3451 NSN 525 AB : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Nsn2013	M+ w	Nanson, J., McGaughey, S. & Armstrong, J.D.	2013JDSO....9..267N
Nsn2013	+C	JDSO 9, 267, 2013
Nsn2014	C u	Nanson, J. & Smith, S.C.	2014JDSO...10..139N
Nsn2014		JDSO 10, 139, 2014
Nsn2015	C -	Nanson, J., Smith, S.C. & Thuemen, C.	2015JDSO...11...12N
Nsn2015		JDSO 11, 12, 2015
Nsn2016	not -	Nanson, J.	...................
Nsn2016		private communication, 2016
Nsn2016b	C j	Nanson, J. & Knapp, W.R.A.	2016JDSO...12..450N
Nsn2016b		JDSO 12, 450, 2016
Nsn2016c	not -	Nanson, J.	2016JDSO...12..573N
Nsn2016c		JDSO 12, 573, 2016
Nsn2017a	not -	Nanson, J.	...................
Nsn2017a		private communication, 2017
Nsn2017b	not -	Nanson, J.	...................
Nsn2017b		private communication, 2017
Nsn2017c	C j	Nanson, J. & Knapp, W.R.A.	2017JDSO...13..299N
Nsn2017c	+E+	JDSO 13, 299, 2017
Nsn2017c	+Hg
Nsn2017d	not -	Nanson, J.	...................
Nsn2017d		private communication, 2017
Nsn2017e	not -	Nanson, J. & Knapp, W.	...................
Nsn2017e		private communication, 2017
Nsn2018a	Hg j	Nanson, J.	...................
Nsn2018a		private communication, 2018 (15 February 2018 email)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
02170+3451	NSN 525	AB	2015	4	95	10.3	10.45	15.99		T	021658.28+345108.5
02170+3451	NSN 525	AB	2016	5	106	10.1	10.45	15.99		T	021658.28+345108.5

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

WDS 02170+3451 NSN 525 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 02170+3451 NSN 525 AB : MEASURES

No records found.

WDS 02170+3451 : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 02170+3451 : ALADIN DSS IMAGE @ 02^h 16^m 58.28^s +34° 51' 08.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 02170+3451 NSN 525 AB : NEIGHBORHOODS

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		02170+3451	NSN 525	AB	106	10.1
Show		02170+3451	NSN 525	AC	118	10.3
Show		02170+3451	NSN 525	BC	198	4.2	1
Show		02161+3501	HU 1036		158	0.5	15
Show		02187+3429	STF 246		123	9.8	31
Show		02144+3454	HU 807		146	0.5	33
Show		02171+3413	MKT 5	Aa,Ab	26	0.0	38
Show		02171+3413	DOR 66	AB	301	166.8	38
Show		02140+3431	STF 229		356	2.5	43
Show		02150+3407	KPP1839		12	14.3	51
Show		02205+3415	UC 720		349	5.3	57
Show		02217+3441	PTT 4	BC	148	1.8	60
Show		02217+3441	PTT 4	A,BC	295	15.4	60
Show		02173+3351	VIG 1	AB	254	4.7	61
Show		02173+3351	VIG 1	AC	162	10.6	61
Show		02173+3351	VIG 1	AD	344	14.0	61
Show		02202+3406	MLB 453		274	8.5	63
Show		02137+3400	GRV 117		58	50.7	65
Show		02218+3414	AG 37		290	4.8	70
Show		02229+3445	COU1069		299	0.4	74
Show		02216+3541	SHN 71		-1	0.1	75
Show		02229+3529	ALI 32		247	12.6	83
Show		02103+3509	COU1068		246	1.2	85
Show		02226+3540	GRV 125		131	48.4	85
Show		02099+3449	HU 1034	AB	109	0.4	87
Show		02120+3349	COU 862		280	0.7	88
Show		02152+3326	ES 2330		207	2.2	89
Show		02212+3603	AG 36		227	3.3	89
Show		02095+3459	MKT 4		46	0.0	92
Show		02164+3628	ES 270	AB	344	44.0	94
Show		02164+3628	ES 270	BC	357	3.0	95
Show		02222+3340	COU 754		79	0.7	97
Show		02196+3315	HU 808		210	0.6	102
Show		02208+3321	LDS3372	AB	172	67.5	103
Show		02208+3321	KPP3151	Aa,Ab	337	1.5	103
Show		02139+3627	CRB 46		114	8.4	104
Show		02156+3308	LDS3361		84	23.0	105
Show		02252+3518	GRV 129		27	69.7	105
Show		02090+3540	COU1067		42	0.1	110
Show		02262+3428	HDS 318		203	0.1	116
Show		02247+3345	CRB 47		313	38.4	117
Show		02239+3330	BU 876	AB	243	1.2	119
Show		02239+3330	STF 258	AC	151	70.9	119
Show		02077+3418	A 2012		339	0.6	119
Show		02093+3605	CRB 45		159	13.3	119
Show		02239+3330	STF 258	CD	30	6.4	120
Show		02145+3650	COU1367		21	0.8	122
Show		02103+3322	STF 219		184	11.6	123
Show		02133+3649	JNN 18		82	0.2	126
Show		02133+3648	ALI 263		319	12.8	126
Show		02274+3450	PTT 5		320	5.2	127

WDS 02170+3451 : COMPONENTS

	A	B
B	pa=95.0° sep=10.38"
C	pa=123.3° sep=8.87"	pa=216.4° sep=4.93"

02170+3451 A

Coord arcsec 2000	021658.28+345108.5		Mag	10.45		PmRA	146.00		PmDE	-52.0
Tycho2	2318-01014-1

Tycho2

Tycho2	2318-01014-1	Pflag		RAmdeg	34.24284793	DEmdeg	34.85233092
PmRA	144.3	PmDE	-55.3	E RAmdeg	21	E DEmdeg	25
E pmRA	1.3	E pmDE	1.4	EpRAm	1985.87	EpDEm	1984.22
Num	10	Q RAmdeg	1.2	Q DEmdeg	0.8	Q pmRA	1.2
Q pmDE	0.8	BTmag	11.203	E BTmag	0.060	VTmag	10.155
E VTmag	0.037	Prox	910	TYC	T	HIP
CCDM		RAdeg	34.24244361	DEdeg	34.85245528	EpRA 1990	1.77
EpDE 1990	1.67	E RAdeg	25.0	E DEdeg	31.3	Posflg
Corr	-0.1

02170+3451 B

Coord arcsec 2000	021659.12+345107.6		Coord calc	021659.12+345107.6		Mag	15.99		PmRA	144.00
PmDE	-53.0		Calc delta mag	5.54

02170+3451 C

Coord arcsec 2000	021658.88+345103.6		Mag	16.25		PmRA	144.00		PmDE	-54.0
Calc delta mag	5.8		Calc coord	yes