18015+0006 WTT 1

18^h 01^m 31.22^s +00° 06' 16.3" P.A. 203.00 sep 0.7 mag 7.90,13.40 Sp G5V+M dist. 52.44 pc (171.06 l.y.)

Coord 2000	18015+0006	Discov num	WTT 1	Comp		Coord arcsec 2000	18 01 31.22 +00 06 16.3
Date first	2014	Date last	2014	Obs	2
Pa first	203	Pa last	202.6	P.A. Now (θ)	202.6°
Sep first	0.7	Sep last	0.697	Sep. Now (ρ)	0.697"
Mag pri	7.90	Mag sec	13.40	delta mag (ΔM)	5.5	Spectral class	G5V+M (yellow/red)
Pri motion ra	-007	Sec motion ra
Pri motion dec	-021	Sec motion dec
Notes	N R (See Notes, Red magnitudes)

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation	Ophiuchus	SAO	123026	HIP	88268	Tycho2	0430-02613-1
Gaia DR2	4275421969292868224	HD	164509	BD	BD+00 3837	Distance	52.44
Distance ly	171.06

WDS 18015+0006 WTT 1 : NOTES

discov_num	notes	refcode
WTT 1	The primary is of type G5V, with mass 1.10 +/- 0.01 Msun. Based on
	isochrone fitting, Wittrock et al. (2016) estimate the mass of the
	secondary at 0.42 +/- 0.03 Msun, and type likely an M dwarf.	Wtt2016

REFERENCES

refcode	metd	author	reference
Wtt2016	S -	Wittrock, J.M., Kane, S.R., Horch, E.P., Hirsch, L., Howell, S.B., Ciardi, D.R.,	2016AJ....152..149W
Wtt2016		Everett, M.E., & Teske, J.K.
Wtt2016		AJ 152, 149, 2016

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18015+0006	WTT 1		2014	2	203	0.7	7.90	13.40	G5V+M	N R	180131.22+000616.3

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WDS 18015+0006 WTT 1 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18015+0006 WTT 1 : MEASURES

No records found.

WDS 18015+0006 : VIRTUAL EYEPIECE

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WDS 18015+0006 : ALADIN DSS IMAGE @ 18^h 01^m 31.22^s +00° 06' 16.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18015+0006 WTT 1 : NEIGHBORHOODS

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

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		18015+0006	WTT 1		203	0.7	1
Show		17595+0001	BAL1191		359	15.4	31
Show		18003+0038	RAS 26		152	0.2	37
Show		18009+0050	CVR 211		356	25.8	46
Show		18032+0047	BAL1192		257	4.7	47
Show		18013-0054	KPP4075		189	1.7	49
Show		17577+0016	J 517		288	4.0	58
Show		17585+0043	CVR 210		214	108.4	59
Show		18054-0019	A 1166		90	0.6	60
Show		17575-0019	KPP 405		297	3.4	62
Show		18023+0109	J 2669		247	5.5	65
Show		17571+0004	STF2244		99	0.7	67
Show		18036+0107	KPP 571		11	5.3	69
Show		18061-0022	A 1167		149	5.1	71
Show		18018+0118	BU 1125	AB	170	0.4	73
Show		18018+0118	SP 3	AB,C	315	0.4	73
Show		18021+0118	KPP2618		161	24.1	73
Show		18056+0051	J 518		142	5.1	76
Show		17568-0032	GWP2746		14	16.6	76
Show		17569-0044	GWP2747		312	2.8	79
Show		17572+0056	CVR 209		308	71.6	82
Show		17591+0119	BAL1495		67	7.3	82
Show		18008+0135	BAL1496		163	16.4	90
Show		18028+0137	BU 635	AB	302	68.8	92
Show		18028+0137	BU 635	BC	122	1.5	93
Show		18075+0029	CBL 166		347	45.1	93
Show		17566+0103	RST5444		256	1.4	94
Show		17553+0031	NSN 700		207	37.1	97
Show		18018-0133	GWP2757		273	84.1	100
Show		18082-0017	KPP2776		95	3.0	101
Show		17562+0108	BAL1494		176	14.5	102
Show		18080-0047	RST5102		305	3.6	106
Show		18065-0109	HDS2552		325	0.2	106
Show		18061+0127	BAL1497		160	7.2	107
Show		18040-0135	BAL 579		359	7.1	109
Show		18040+0150	TOK 695		23	0.1	111
Show		18087+0034	NSN 702		313	3.7	112
Show		17577-0134	KPP2769		267	2.3	117
Show		17590+0202	STF2252	AB	23	4.0	122
Show		17590+0202	STF2252	AC	165	95.1	122
Show		17559+0139	BAL1493		27	9.3	126
Show		17569+0156	J 2118		264	5.6	132
Show		18035-0205	TDS 900		47	0.8	135
Show		18104+0033	STF2286		315	3.0	136
Show		18069+0159	BAL1498		255	3.0	139
Show		17571+0215	J 3299		329	2.3	141
Show		18110-0000	RST5106		4	1.9	143
Show		18110-0020	NSN 151		152	4.0	143
Show		18079+0153	OSO 93	AB	21	12.7	144
Show		18079+0153	OSO 93	AC	295	13.1	144
Show		18079+0153	OSO 93	AD	171	17.6	144

WDS 18015+0006 : COMPONENTS

	A
B	pa=202.6° sep=0.70"

18015+0006 A

Componente originario normalizzato	AB	Coord arcsec 2000	180131.22+000616.3	Mag	7.9	Spectral class	G5V (yellow)
PmRA	-7.00	PmDE	-21.0	SAO	123026	HIP	88268
Tycho2	0430-02613-1	HD	164509	BD	BD+00 3837

Tycho2

Tycho2	0430-02613-1	Pflag		RAmdeg	270.38011346	DEmdeg	0.10455997
PmRA	-7.8	PmDE	-19.2	E RAmdeg	7	E DEmdeg	8
E pmRA	0.9	E pmDE	1.0	EpRAm	1990.25	EpDEm	1990.14
Num	15	Q RAmdeg	0.6	Q DEmdeg	0.6	Q pmRA	0.7
Q pmDE	0.7	BTmag	8.860	E BTmag	0.019	VTmag	8.174
E VTmag	0.014	Prox	999	TYC	T	HIP	88268
CCDM		RAdeg	270.38013111	DEdeg	0.10460389	EpRA 1990	1.82
EpDE 1990	1.76	E RAdeg	7.3	E DEdeg	8.1	Posflg
Corr	0.1

SAO

SAO	123026	DelFlag		RA1950		PmRA1950	-0.0014
DE1950		PmDE1950	-0.02	Vmag	8	SpType	G5
Double code		Source	31	CatNum	4470	DM	BD+00 3837
DMcomp		BDsup		HD	164509	M HD	0
GC		RA1950rad	4.70784852	DE1950rad	0.00182426	PmRA2000	-0.0012
PmDE2000	-0.02

Hipparcos

Catalog	H	HIP	88268	Proxy		RAhms	18 01 31.23
DEdms	+00 06 16.6	Vmag	8.1	VarFlag		R Vmag	H
RAdeg	270.38	DEdeg	0.104606	AstroRef		Plx	19.3
CCDM		N CCDM		Nsys		Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	164509	BD	BD+00 3837
CD		CP		Dm number	+00 3837	VIred	0.66
SpType	G5	R SpType		Coord arcsec 2000	180131.23+000616.6

Hipparcos 2

HIP	88268	Sn	5	So	0	Nc	1
RArad	4.7190235746	DErad	0.0018257237	Plx	19.07	PmRA	-7.4
PmDE	-20.98	E RArad	0.88	E DErad	0.66	E Plx	0.97
E pmRA	0.8	E pmDE	0.68	Hpmag	8.2366	E Hpmag	0.0021
SHp	0.015	VA	0	BV	0.665	E BV	0.018
VI	0.73

18015+0006 B

Componente originario normalizzato	AB		Coord arcsec 2000	180131.20+000615.7		Mag	13.4		Spectral class	M (red)
Calc delta mag	5.5		Calc coord	yes