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Herschel, W.
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Struve, F.G.W.

09188+3648 STF 1334 AB (38 Lyn)

09^h 18^m 50.64^s +36° 48' 09.3" P.A. 224.00 sep 2.6 mag 3.92,6.09 Sp A1V dist. 38.27 pc (124.84 l.y.)

Coord 2000	09188+3648	Discov num	STF1334	Comp	AB	Coord arcsec 2000	09 18 50.64 +36 48 09.3
Date first	1820	Date last	2019	Obs	209
Pa first	239	Pa last	224	P.A. Now (θ)	224°
Sep first	2.8	Sep last	2.56	Sep. Now (ρ)	2.56"
Mag pri	3.92	Mag sec	6.09	delta mag (ΔM)	2.17	Spectral class	A1V (white)
Pri motion ra	-033	Sec motion ra	-033
Pri motion dec	-126	Sec motion dec	-124
Notes	N O (See Notes, Orbital solution)

rPM=0.015 (< 0.3, Physical double)

This double is physical.

09188+3648 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	38 Lyn	61391	09 18 51 +36 48 09	STF 1334 AB	2019	209	224	2.6	3.92	6.09	2.17	Y	<===
Show		61391	09 18 51 +36 48 09	DRS 44 AE	2022	4	52	101.1	3.92	14.70	10.78
Show			09 18 50 +36 48 08	CHR 173 Ba,Bb	2004	2	266	0.2	6.09
Show			09 18 50 +36 48 08	STF 1334 BC	2022	8	217	79.4	6.09	12.50	6.41
Show			09 18 50 +36 48 08	STF 1334 BD	2022	7	261	173.3	6.09	12.46	6.37

Sextuple system
5 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	38 Lyn	Constellation	Lynx	SAO	61391	HIP	45688
Tycho2	2499-01655-1	Gaia DR2	810952158347151360	HD	80081	HR	3690
GC	12830	ADS	7292	BD	BD+37 1965	Flamsteed	38 Lyncis
Flamsteed name	38 Lyn	Distance	38.27	Distance ly	124.84

ORBITAL ELEMENTS

Period (P)	2782.8336y	± 1530.4085	Periastron (T)	1545.7004y	± 698.7459	Semi-major axis (a)	6.4453a	± 3.78816
Eccentricity (e)	0.77055	± 0.17698	Inclination (i)	104.322°	± 9.535	Longitude of periastron (ω)	107.279°	± 25.543
Node (Ω)	87.298°	± 72.128	Notes	n		Reference	Izm2019
Equinox			Last observation	2014		Grade	4	(1=Definitive, 9=Indet.)

label	theta	rho
2000	225.1	2.654
2001	225.0	2.652
2002	224.8	2.650
2003	224.7	2.648
2004	224.6	2.646
2005	224.5	2.644
2006	224.3	2.642
2007	224.2	2.640
2008	224.1	2.638
2009	224.0	2.637
2010	223.9	2.635
2011	223.7	2.633
2012	223.6	2.631
2013	223.5	2.629
2014	223.4	2.627
2015	223.2	2.625
2016	223.1	2.623
2017	223.0	2.621
2018	222.9	2.619
2019	222.8	2.617
2020	222.6	2.615
2021	222.5	2.613
2022	222.4	2.611
2023	222.3	2.609
2024	222.1	2.607
2025	222.0	2.605
2026	221.9	2.604
2027	221.8	2.602
2028	221.6	2.600
2029	221.5	2.598
2030	221.4	2.596

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

Measures: green=micrometric, blue=interferometric, purple=photographic

WDS 09188+3648 STF 1334 AB (38 Lyn) : NOTES

discov_num	notes	refcode
STF1334	38 Lyn. A is a spectroscopic binary.
CHR 173	Ba. Abt & Biggs (1972) note variable RV.	AbH1972
STF1334	AB: H 1 9.	MEv2010

REFERENCES

refcode	metd	author	reference
AbH1972	-	Abt. H.A. & Biggs, E.S.	1972bsrv.book.....A
AbH1972		Bibliography of Stellar Radial Velocities
Izm2019	orb u	Izmailov, I.S.	2019AstL...45...30I
Izm2019		Ast. Lett. 45, 30, 2019
Izm2019		(Orbital elements from weighted solutions used when available (Table 2),
Izm2019		unweighted elements (Table 1) used for remaining 29 systems.)
MEv2010	-	MacEvoy, B.	...................
MEv2010		private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)

DISCOVERER

idgroup	discov	author
1	CHR	Center for High Ang. Res. Astronomy (speckle interferometry systems)
3	DRS	De Rosa, R.J., Bulger, J., Patience, J., Leland, B., Macintosh, B., Schnieder, A.,
3	DRS	Song, I., Marois, C. et al.
4	DRS	De Rosa, R.J., Patience, J., Vigan, A., Wilson, P.A., Schnieder, A.,
4	DRS	McConnell, N.J., Wiktorowicz, S.J., Marois, C., Song, I., Macintosh, B.,
4	DRS	Graham, J.R., Bessell, M.S., Doyon, R., & Lai, O.
5	DRS	De Rosa, R.J., Patience, J., Wilson, P. A., Schneider, A., Wiktorowicz, S. J.,
5	DRS	Vigan, A., Marois, C., Song, I., Macintosh, B., Graham, J. R., et al.
8	DRS	De Rosa, R.J., Patience, J., Ward-Duong, K., Vigan, A., Marois, C., Song, I.,
8	DRS	Macintosh, B., Graham, J.R., Doyon, R., Bessell, M.S., et al.
9	DRS	De Rosa, R.J., Nielsen, E.L., Rameau, J., Duchene, G., Greenbaum, A.Z., Wang, J.J.,
9	DRS	Ammons, S.M., Bailey, V.P., Barman, T., Bulger, J., Chilcote, J., Cotten, T.,
9	DRS	Doyon, R., Esposito, T.M., Fitzgerald, M.P., Follette, K.B., Gerard, B.L.,
9	DRS	Goodsell, S.J., Graham, J.R., Hibon, P., Horn, J., Hung, L.-W., Ingraham, P.,
9	DRS	Kalas, P., Konopacky, Q., Larkin, J.E., Macintosh, B., Maire, J., Marchis, F.,
9	DRS	Marley, M.S., Marois, C., Metchev, S., Millar-Blanchaer, M.A., Oppenheimer, R.,
9	DRS	Palmer, D., Patience, J., Perrin, M., Poyneer, L., Pueyo, L., Rajan, A., Rantakyro,
9	DRS	F.T., Ren, B., Ruffio, J.-B., Savransky, D., Schneider, A.C., Sivaramakrishnan, A.,
9	DRS	Song, I., Soummer, R., Tallis, M., Thomas, S., Wallace, J.K., Ward-Duong, K.,
9	DRS	Wiktorowicz, S. & Wolff, S.
11	STF	Struve, F.G.W.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
09188+3648	STF1334	AB	2006	172	225	2.7	3.92	6.09	A3V	N	091850.67+364810.4
09188+3648	STF1334	AB	2007	173	224	2.7	3.92	6.09	A3V	N	091850.67+364810.4
09188+3648	STF1334	AB	2008	174	226	2.8	3.92	6.09	A3V	N	091850.67+364810.4
09188+3648	STF1334	AB	2009	177	225	2.6	3.92	6.09	A3V	N	091850.67+364810.4
09188+3648	STF1334	AB	2010	180	224	2.7	3.92	6.09	A3V	N D	091850.67+364810.4
09188+3648	STF1334	AB	2012	181	224	2.5	3.92	6.09	A3V	N D	091850.67+364810.4
09188+3648	STF1334	AB	2013	189	224	2.6	3.92	6.09	A3V	N	091850.67+364810.4
09188+3648	STF1334	AB	2014	192	224	2.5	3.92	6.09	A1V	N	091850.67+364810.4
09188+3648	STF1334	AB	2016	193	222	2.6	3.92	6.09	A1V	N	091850.64+364809.3
09188+3648	STF1334	AB	2017	199	223	2.6	3.92	6.09	A1V	N	091850.64+364809.3
09188+3648	STF1334	AB	2019	206	224	2.6	3.92	6.09	A1V	NO	091850.64+364809.3

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

WDS 09188+3648 STF 1334 AB (38 Lyn) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 09188+3648 STF 1334 AB (38 Lyn) : MEASURES

No records found.

WDS 09188+3648 (38 Lyn) : VIRTUAL EYEPIECE

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

WDS 09188+3648 (38 Lyn) : ALADIN DSS IMAGE @ 09^h 18^m 50.64^s +36° 48' 09.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 09188+3648 STF 1334 AB (38 Lyn) : 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		09188+3648	STF1334	AB	224	2.6
Show		09188+3648	DRS 44	AE	52	101.1
Show		09188+3648	CHR 173	Ba,Bb	266	0.2	1
Show		09188+3648	STF1334	BC	217	79.4	1
Show		09188+3648	STF1334	BD	261	173.3	1
Show		09197+3655	ITF 51		221	66.6	13
Show		09176+3651	CVR 528		285	19.6	16
Show		09176+3641	ES 1734		69	2.4	17
Show		09210+3643	STF1339		65	1.5	27
Show		09201+3625	ITF 52		184	7.5	28
Show		09169+3702	HO 362	AB	146	4.7	28
Show		09169+3702	HO 362	AC	95	29.7	28
Show		09206+3709	ES 1735		186	4.4	30
Show		09201+3624	LDS3875		39	101.2	30
Show		09218+3635	ITF 153		1	224.3	39
Show		09163+3715	COU1744		176	0.5	41
Show		09160+3609	CVR1206		8	3.1	52
Show		09146+3737	SLW 336		178	161.8	70
Show		09131+3633	ES 2106		336	3.9	70
Show		09247+3641	VBS 16		283	1.6	72
Show		09169+3540	ES 2565		290	11.9	72
Show		09252+3642	CRB 82		274	15.4	77
Show		09124+3625	DAM1563		355	11.3	82
Show		09124+3621	ES 296	AB	176	20.5	82
Show		09124+3621	ES 296	AD	340	86.6	82
Show		09124+3621	ES 296	BC	229	1.4	82
Show		09184+3522	STF1333		50	1.8	87
Show		09210+3811	STF1338	AB	318	1.2	87
Show		09210+3811	STF1338	AB,C	166	143.2	87
Show		09202+3518	RED 11		242	0.0	92
Show		09223+3526	CVR1217		229	3.3	93
Show		09119+3608	HJ 2483		195	15.5	94
Show		09203+3825	SLW 349		7	9.1	99
Show		09189+3508	ES 2162		102	4.0	101
Show		09108+3723	SKF 965		83	1.4	103
Show		09193+3831	GIC 84		188	7.5	104
Show		09238+3524	VKI 17		337	4.5	104
Show		09243+3517	GIC 86		123	13.4	113
Show		09108+3552	CVR1199		314	3.4	113
Show		09238+3825	AG 164		18	4.5	114
Show		09254+3816	MLB 65		319	4.4	118
Show		09150+3837	DAM1575	BC	61	999.9	118
Show		09150+3837	TOK 525	AB	242	999.9	118
Show		09150+3837	DAM1575	AC	27	27.8	118
Show		09233+3458	TDS6523		287	1.2	123
Show		09124+3514	SLW 335		197	12.4	123
Show		09116+3517	SLW 334		283	50.2	127
Show		09083+3641	BRT2220		230	3.6	128
Show		09101+3534	TDS6367	AB	77	0.6	130
Show		09101+3534	DAM1556	AB,C	30	8.0	130
Show		09084+3726	SLW 330		246	123.8	131

WDS 09188+3648 : COMPONENTS

	A	B	Bb	C	D
B	pa=226.9° sep=2.63"
Bb	pa=229.3° sep=2.78"	pa=265.4° sep=0.19"
C	pa=211.6° sep=76.62"	pa=211.0° sep=74.09"	pa=210.9° sep=73.98"
D	pa=258.6° sep=141.89"	pa=259.2° sep=139.66"	pa=259.2° sep=139.47"	pa=290.6° sep=105.80"
E	pa=45.7° sep=89.12"	pa=45.7° sep=91.75"	pa=45.8° sep=91.90"	pa=39.2° sep=164.49"	pa=66.0° sep=222.04"

09188+3648 A

Name	38 Lyn	Coord arcsec 2000	091850.64+364809.3	Mag	3.92	Spectral class	A1V (white)
PmRA	-33.00	PmDE	-126.0	SAO	61391	HIP	45688
Tycho2	2499-01655-1	HD	80081	HR	3690	GC	12830
ADS	7292	BD	BD+37 1965	Flamsteed	38 Lyncis	Flamsteed name	38 Lyn

Tycho2

Tycho2	2499-01655-1	Pflag	X	RAmdeg		DEmdeg
PmRA		PmDE		E RAmdeg		E DEmdeg
E pmRA		E pmDE		EpRAm		EpDEm
Num		Q RAmdeg		Q DEmdeg		Q pmRA
Q pmDE		BTmag	3.963	E BTmag	0.014	VTmag	3.916
E VTmag	0.009	Prox	27	TYC	T	HIP	45688
CCDM	A	RAdeg	139.71110889	DEdeg	36.80287528	EpRA 1990	1.77
EpDE 1990	1.85	E RAdeg	3.3	E DEdeg	3.7	Posflg	D
Corr	0.1

SAO

SAO	61391	DelFlag		RA1950		PmRA1950	-0.0025
DE1950		PmDE1950	-0.127	Vmag	3.8	SpType	A2
Double code		Source	71	CatNum	349	DM	BD+37 1965
DMcomp		BDsup		HD	80081	M HD	0
GC	12830	RA1950rad	2.42486903	DE1950rad	0.64604117	PmRA2000	-0.0025
PmDE2000	-0.122

Hipparcos

Catalog	H	HIP	45688	Proxy	H	RAhms	09 18 50.67
DEdms	+36 48 10.4	Vmag	3.82	VarFlag		R Vmag	G
RAdeg	139.711	DEdeg	36.8029	AstroRef	A	Plx	26.75
CCDM	09188+3648	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	226	Rho	2.69	HD	80081	BD	BD+37 1965
CD		CP		Dm number	+37 1965	VIred	0.12
SpType	A1V	R SpType		Coord arcsec 2000	091850.67+364810.4

Hipparcos 2

HIP	45688	Sn	15	So	3	Nc	2
RArad	2.4384189434	DErad	0.6423317424	Plx	26.13	PmRA	-32.33
PmDE	-125.64	E RArad	0.67	E DErad	0.53	E Plx	0.78
E pmRA	0.73	E pmDE	0.41	Hpmag	3.8299	E Hpmag	0.0006
SHp	0.005	VA	0	BV	0.066	E BV	0.01
VI	0.12

CCDM

Ccdm	09188+3648	RComp		Comp	A	Note1
Note2		Discov num		DRAs	2.64	DDEs	9.5
R dRAs	10	Year		Theta		Rho
Obs	4	Vmag	3.9	Sp	A2	PmNote	*
PmRA	-33	PmDE	-126	Dm number	+37 1965	Cat1	BD
Name2		Cat2		HD	80081	M HD
ADS BDS	A 7292	M ADS BDS		N IDS		IDS	09126N3714A
HIC	45688

09188+3648 B

Coord arcsec 2000	091850.48+364807.5		Coord calc	091850.48+364807.5		Mag	6.09		Spectral class	A4V (white)
PmRA	-33.00		PmDE	-124.0		Calc delta mag	2.17

CCDM

Ccdm	09188+3648	RComp		Comp	B	Note1
Note2		Discov num	STF1334	DRAs		DDEs
R dRAs		Year	1960	Theta	229	Rho	2.8
Obs	99	Vmag	6.6	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A 7292	M ADS BDS		N IDS		IDS	09126N3714B
HIC	45688

09188+3648 Bb

Coord arcsec 2000

091850.46+364807.5

Calc delta mag

3.92

Calc coord

yes

09188+3648 C

Coord arcsec 2000	091847.30+364704.0		Mag	12.5		PmRA	-10.00		PmDE	-9.0
Calc delta mag	8.58		Calc coord	yes

CCDM

Ccdm	09188+3648	RComp		Comp	C	Note1
Note2		Discov num	STF1334	DRAs	-1.35	DDEs	-56.7
R dRAs	65	Year	1909	Theta	212	Rho	87.7
Obs	1	Vmag	10.8	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A 7292	M ADS BDS		N IDS		IDS	09126N3714C
HIC

09188+3648 D

Coord arcsec 2000	091839.06+364741.3		Mag	12.46		PmRA	-2.00		PmDE	1.0
Calc delta mag	8.54		Calc coord	yes

CCDM

Ccdm	09188+3648	RComp		Comp	D	Note1
Note2		Discov num	STF1334	DRAs	-11.74	DDEs	-20.0
R dRAs	65	Year	1879	Theta	256	Rho	177.9
Obs	2	Vmag	10.7	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A 7292	M ADS BDS		N IDS		IDS	09126N3714D
HIC

09188+3648 E

Coord arcsec 2000	091855.95+364911.5		Mag	14.7		PmRA	-30.00		PmDE	-133.0
Calc delta mag	10.78		Calc coord	yes