17237+3709 MCA 48 Aa,Ab

17^h 23^m 40.97^s +37° 08' 45.3" P.A. 23.00 sep 0.3 mag 4.90,5.90 Sp B9.5III dist. 120.63 pc (393.5 l.y.)

Coord 2000	17237+3709	Discov num	MCA 48	Comp	Aa,Ab	Coord arcsec 2000	17 23 40.97 +37 08 45.3
Date first	1981	Date last	2018	Obs	10
Pa first	22	Pa last	22.7	P.A. Now (θ)	22.7°
Sep first	0.3	Sep last	0.262	Sep. Now (ρ)	0.262"
Mag pri	4.90	Mag sec	5.90	delta mag (ΔM)	1	Spectral class	B9.5III (blue-white)
Pri motion ra	-041	Sec motion ra
Pri motion dec	+001	Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

17237+3709 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		66000	17 23 41 +37 08 45	MCA 48 Aa,Ab	2018	10	23	0.3	4.90	5.90	1.00		<===
Show	Rho Her	66000	17 23 41 +37 08 45	STF 2161 AB	2021	417	321	4.0	4.50	5.40	0.90
Show		66000	17 23 41 +37 08 45	STF 2161 AC	2020	6	221	118.4	4.50	13.53	9.03

Quadruple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Var name	NSV8605 Her	Constellation	Hercules	SAO	66000	HIP	85112
Tycho2	2604-01776-1	Gaia DR2	1337345927125084416	HD	157779	HR	6485
GC	23544	ADS	10526	BD	BD+37 2878	Bayer	Rho Herculis
Bayer name	Rho Her	Flamsteed	75 Herculis	Flamsteed name	75 Her	Distance	120.63
Distance ly	393.5	Bayer greek	ρ Her

WDS 17237+3709 MCA 48 Aa,Ab : NOTES

discov_num	notes	refcode
MCA 48	Aa,Ab: rho Her. Suspected of variable velocity, and resolved by
	speckle interferometry.
STF2161	AB: H 2 3.	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	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.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
17237+3709	MCA 48	Aa,Ab	2008	7	32	0.3	4.56		B9.5III	N	172340.97+370845.3
17237+3709	MCA 48	Aa,Ab	2018	10	23	0.3	4.90	5.90	B9.5III	N	172340.97+370845.3

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

WDS 17237+3709 MCA 48 Aa,Ab : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 17237+3709 MCA 48 Aa,Ab : MEASURES

No records found.

WDS 17237+3709 : 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 17237+3709 : ALADIN DSS IMAGE @ 17^h 23^m 40.97^s +37° 08' 45.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 17237+3709 MCA 48 Aa,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		17237+3709	MCA 48	Aa,Ab	23	0.3
Show		17237+3709	STF2161	AB	321	4.0
Show		17237+3709	STF2161	AC	221	118.4
Show		17245+3657	STT 329		12	33.0	15
Show		17252+3711	GUI 17		345	76.1	18
Show		17224+3646	J 1131		257	1.7	28
Show		17229+3748	WIS 318		141	565.9	41
Show		17239+3627	STF2162		285	1.3	42
Show		17222+3753	TDT 321		334	2.6	48
Show		17197+3703	COU 994		214	0.5	48
Show		17200+3640	LDS4739		156	3.0	54
Show		17247+3802	HSL 1	Aa,Ab	226	0.0	55
Show		17247+3802	HSL 1	Aa,Ac	57	0.3	55
Show		17247+3802	COU1142	AB	222	1.8	55
Show		17272+3630	TDT 361		320	2.6	57
Show		17285+3657	COU1143		244	0.4	60
Show		17222+3609	ES 2227		177	4.8	62
Show		17262+3604	GRV1230		99	11.7	72
Show		17177+3717	HDS2446		143	0.9	73
Show	Franz	17205+3815	WSP 27		264	0.9	77
Show		17278+3607	AG 209		188	34.1	80
Show		17293+3758	HO 417		306	0.3	83
Show		17234+3545	ALI 137		162	13.0	83
Show		17216+3549	CBL 67		237	26.7	84
Show		17261+3550	ES 2228		32	4.9	85
Show		17240+3835	HU 1179		272	0.3	87
Show		17207+3832	ALI 866		133	11.6	91
Show		17266+3546	STF2168		203	2.3	91
Show		17302+3755	TDT 385		288	0.5	91
Show		17167+3752	PTT 17		189	10.3	94
Show		17316+3644	CVR1702		347	3.6	98
Show		17201+3541	SKF2822		276	89.3	98
Show		17155+3712	TDT 290		252	1.1	98
Show		17172+3603	CVR 199		203	61.2	102
Show		17281+3539	DAM 682		164	8.6	105
Show		17275+3847	ES 2014		93	1.7	108
Show		17290+3845	COU1297		99	0.3	116
Show		17177+3537	COU 993	Aa,Ab	107	1.1	117
Show		17177+3537	HO 67	AB	276	8.0	117
Show		17316+3601	ES 2229		34	3.7	117
Show		17317+3604	ES 2230		92	9.6	117
Show		17298+3842	UC 231		168	15.8	118
Show		17179+3533	SKF 762		262	4.4	119
Show		17295+3532	CVR1701		243	4.8	120
Show		17179+3848	LDS4737		172	19.3	120
Show		17176+3532	SKF 763		242	4.8	121
Show		17151+3604	CVR1697		222	3.3	122
Show		17246+3913	WSI 2	Aa,Ab	74	0.4	125
Show		17246+3913	S 689	AB	197	89.2	125
Show		17158+3829	HEI 14	AB	311	7.4	126
Show		17158+3829	SOO 1	AC	355	4.9	126

WDS 17237+3709 : COMPONENTS

	A	Ab	B
Ab	pa=18.4° sep=0.25"
B	pa=327.1° sep=3.71"	pa=323.9° sep=3.55"
C	pa=215.0° sep=108.56"	pa=215.0° sep=108.80"	pa=213.2° sep=110.01"

17237+3709 A

Name	Rho Her	Coord arcsec 2000	172340.97+370845.3	Mag	4.5	Spectral class	B9.5III (blue-white)
PmRA	-41.00	PmDE	1.0	SAO	66000	HIP	85112
Tycho2	2604-01776-1	HD	157778	HR	6484	GC	23543
BD	BD+37 2878	Bayer	Rho Herculis	Bayer name	Rho	Flamsteed	75 Herculis
Flamsteed name	75 Her

SAO

SAO	66000	DelFlag		RA1950		PmRA1950	-0.0038
DE1950		PmDE1950	0.003	Vmag	5.5	SpType	A0
Double code		Source	70	CatNum	23543	DM	BD+37 2878
DMcomp	B	BDsup		HD	157778	M HD	0
GC	23543	RA1950rad	4.54636822	DE1950rad	0.64911607	PmRA2000	-0.0034
PmDE2000	0.004

Hipparcos

Catalog	H	HIP	85112	Proxy	H	RAhms	17 23 40.97
DEdms	+37 08 45.3	Vmag	4.15	VarFlag		R Vmag	H
RAdeg	260.921	DEdeg	37.1459	AstroRef	A	Plx	8.12
CCDM	17236+3708	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	318	Rho	4.066	HD	157778	BD	BD+37 2878
CD		CP		Dm number	+37 2878	VIred	-0.01
SpType	B9.5III	R SpType		Coord arcsec 2000	172340.97+370845.3

Hipparcos 2

HIP	85112	Sn	15	So	3	Nc	2
RArad	4.5539256612	DErad	0.6483186784	Plx	8.29	PmRA	-39.38
PmDE	7.71	E RArad	0.27	E DErad	0.3	E Plx	0.33
E pmRA	0.27	E pmDE	0.42	Hpmag	4.1529	E Hpmag	0.0006
SHp	0.006	VA	0	BV	-0.011	E BV	0.005
VI	0.01

17237+3709 Ab

Coord arcsec 2000	172340.98+370845.5	Mag	5.9	SAO	66001	Tycho2	2604-01777-1
HD	157779	HR	6485	GC	23544	DM	BD+37 2878
Flamsteed	75 Herculis	Flamsteed name	75 Her	Calc delta mag	1	Calc coord	yes

Tycho2

Tycho2	2604-01777-1	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	4.471	E BTmag	0.014	VTmag	4.504
E VTmag	0.009	Prox	41	TYC	T	HIP	85112
CCDM	A	RAdeg	260.92071556	DEdeg	37.14592472	EpRA 1990	1.70
EpDE 1990	1.74	E RAdeg	3.5	E DEdeg	3.4	Posflg
Corr	-0.4

SAO

SAO	66001	DelFlag		RA1950		PmRA1950	-0.0035
DE1950		PmDE1950	0.005	Vmag	4.5	SpType	A0
Double code		Source	70	CatNum	23544	DM	BD+37 2878
DMcomp	A	BDsup		HD	157779	M HD	0
GC	23544	RA1950rad	4.54638947	DE1950rad	0.64910227	PmRA2000	-0.0031
PmDE2000	0.006

17237+3709 B

Coord arcsec 2000	172340.80+370848.4		Mag	5.4		PmRA	-39.00		PmDE	9.0
Calc delta mag	0.5		Calc coord	yes

17237+3709 C

Coord arcsec 2000	172335.76+370716.4		Mag	13.53		PmRA	-21.00		PmDE	20.0
Calc delta mag	8.63		Calc coord	yes