17237+4717 STF 2164 AB (HD 157906)

17^h 23^m 44.61^s +47° 16' 14.3" P.A. 13.00 sep 9.3 mag 8.16,9.81 Sp F8 dist. 84.82 pc (276.68 l.y.)

Coord 2000	17237+4717	Discov num	STF2164	Comp	AB	Coord arcsec 2000	17 23 44.61 +47 16 14.3
Date first	1829	Date last	2018	Obs	35
Pa first	17	Pa last	12.7	P.A. Now (θ)	12.7°
Sep first	8.8	Sep last	9.33	Sep. Now (ρ)	9.33"
Mag pri	8.16	Mag sec	9.81	delta mag (ΔM)	1.65	Spectral class	F8 (yellow-white)
Pri motion ra	-021	Sec motion ra	-019
Pri motion dec	+036	Sec motion dec	+036
Notes

rPM=0.048 (< 0.3, Physical double)

This double is physical.

17237+4717 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 157906	46691	17 23 45 +47 16 14	STF 2164 AB	2018	35	13	9.3	8.16	9.81	1.65		<===
Show		46691	17 23 45 +47 16 14	WAL 80 AC	2018	9	159	112.5	8.16	12.27	4.11

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	HD 157906	Constellation	Hercules	SAO	46691	HIP	85118
Tycho2	3512-00608-1	Gaia DR2	1365231397431575424	HD	157906	GC	23561
BD	BD+47 2469	Distance	84.82	Distance ly	276.68

WDS 17237+4717 STF 2164 AB (HD 157906) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
STFA		(F. Struve DD - Appendix list #1)	...................
STFB		(F. Struve DD - Appendix list #2)	...................
StF1833A	Ma -	Struve, F.G.W.	1833MmRAS...5...13H
StF1833A	+Mc	cited by Herschel (MemRAS 5, 13, 1833)
StF1833B	Ma -	Struve, F.G.W.	1833AN.....10..389B
StF1833B		cited by Bessel (AN 10, 389, 1833)
StF1837	Ma -	Struve, F.G.W.	1837AN.....14...249
StF1837		Stellarum duplicium et multiplicium mensurae micrometricae...
StF1837		(Dorpat, Academiae scientiarum caesareae petropolitaneifique), 1837
StF1844A	Ma -	Struve, F.G.W.	1844QB43.S66.......
StF1844A		cited by Smyth (Cycle of Celestial Objects 2, 1844)
StF1852A	Ma -	Struve, F.G.W.	.
StF1852A		cited by Bishop (Bishop Obs. Astron. Observations 1852)
StF1865A	Ma -	Struve, F.G.W.	1865AN.....64...81E
StF1865A		cited by Engelmann (AN 64, 81, #1518, 1865)
StF1875A	Ma -	Struve, F.G.W.	1875AN.....85..323D
StF1875A		cited by Doberck, 1875 (see Dob1875b,f,g,h)
StF1878	Ma -	Struve, F.G.W.	.
StF1878		Pulkova Observations 9, 1878
StF1878B	Ma -	Struve, F.G.W.	1878Obs.....2..239G
StF1878B		cited by Gledhill (Obs 2, 239, 1878)
StF1880A	Ma -	Struve, F.G.W.	1880Obs.....3..535G
StF1880A		cited by Gledhill (Obs 3, 535, 1880)
StF1906A	Ma -	Struve, F.G.W.	1906QB821.B972.....
StF1906A		cited in BDS (Burnham Double Star Cat.), 1906
StF1906B	Ma -	Struve, F.G.W.	1906MmRAS..56....1L
StF1906B		cited by Lewis (MemRAS 56, 1, 1906)
StF1922A	Ma -	Struve, F.G.W.	1922AN....216...49R
StF1922A		cited by Rabe (AN 216, 49, 1922)
StF1932A	Ma -	Struve, F.G.W.	1932QB821.A43......
StF1932A		cited in ADS (Aitken Double Star Cat.), 1932
StF2002	- -	Weis, J.
StF2002		F. G. W. Struve's double stars : the Dorpat catalogue; the Pulkovo catalogue
StF2002		USNO Library : QB 821 .S8 W49 2002
StF2022	- -	email note from Jan Weis: 6 July 2022
StF9999	Ma -	Struve, F.G.W.	...................
StF9999		Unpublished, manuscript or reference not found.
Wal1934	Ma j	Wallenquist, A.	1934AnBos...6....3W
Wal1934		Ann. Bosscha Obs. Lembang 6, Pt.2, 1934
Wal1944a	Zw -	Wallenquist, A.	1954MeUpp...85.....
Wal1944a		Medd. Uppsala Obs. #85, 1944
Wal1944a		(Visual measures with wedge photometer attached to 14-inch refractor. No dates
Wal1944a		given for measures; default date = decade of publication added.)
Wal1944b	Zw -	Wallenquist, A.	1954MeUpp...87.....
Wal1944b		Medd. Uppsala Obs. #87, 1944
Wal1944b		(Visual measures with wedge photometer attached to 14-inch refractor. No dates
Wal1944b		given for measures; default date = decade of publication added.)
Wal1947	Zw -	Wallenquist, A.	1947UppAn...2....2W
Wal1947		Ann. Uppsala Astron. Obs. 2, No.2, 1947
Wal1947		(A catalogue containing results of the two prior series, plus additional measures
Wal1947		with the 14-inch refractor and wedge photometer)
Wal1948	Zw -	Wallenquist, A.	1948UppAn...2....3W
Wal1948		Ann. Uppsala Astron Obs. 2, #3, 1948
Wal1948		(Visual measures of southern double stars made with 17-inch refractor of La Plata
Wal1948		and wedge photometer. No dates listed; default date = decade of publication added)
Wal1950	Zd -	Wallenquist, A.	1950MeUpp..103.....
Wal1950		Medd. Uppsala Obs. #103, 1950
Wal1954	Zw -	Wallenquist, A.	1954UppAn...4Q....W
Wal1954		Ann. Uppsala Astron Obs. 4, #2, 1954
Wal1954		("General Catalogue of Differences in Magnitude of Double Stars". Weighted mean
Wal1954		values from numerous sources)
Wal1958	Zw -	Wallenquist, A.	1958MeUpp..118.....
Wal1958		Medd. Uppsala Obs. #118, 1958

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
17237+4717	STF2164	AB	2003	23	13	8.9	8.16	9.81	F8	D	172344.61+471614.3
17237+4717	STF2164	AB	2016	26	14	9.4	8.16	9.81	F8		172344.61+471614.3
17237+4717	STF2164	AB	2018	28	14	9.5	8.16	9.81	F8		172344.61+471614.3

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

WDS 17237+4717 STF 2164 AB (HD 157906) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 17237+4717 STF 2164 AB (HD 157906) : MEASURES

No records found.

WDS 17237+4717 (HD 157906) : 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+4717 (HD 157906) : ALADIN DSS IMAGE @ 17^h 23^m 44.61^s +47° 16' 14.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 17237+4717 STF 2164 AB (HD 157906) : 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+4717	STF2164	AB	13	9.3
Show		17237+4717	WAL 80	AC	159	112.5
Show		17231+4713	TDT 330		52	0.9	8
Show		17229+4723	COU1777		44	0.4	12
Show		17249+4701	A 2089		329	0.7	20
Show		17223+4741	UC 3331		347	76.3	30
Show		17267+4727	BEM9011	AB	209	10.4	33
Show		17267+4727	DAM 259	AC	17	10.5	33
Show		17275+4716	ES 1256		327	4.3	39
Show		17205+4739	A 2088		8	0.3	40
Show		17230+4625	UC 3334		28	14.9	53
Show		17188+4734	UC 3321		216	30.6	54
Show		17199+4802	UC 3326		285	32.4	60
Show		17278+4625	STF2177		133	3.6	66
Show		17303+4724	HLA 1		299	2.7	67
Show		17212+4609	KPP4035		324	5.6	73
Show		17181+4803	TDS 860		61	1.6	74
Show		17281+4616	STN 35		183	7.6	75
Show		17208+4825	RAO 369		160	0.6	76
Show		17284+4822	ES 1091		309	6.5	81
Show		17295+4621	HJL1094		225	199.1	81
Show		17165+4642	KPP3314		272	2.9	82
Show		17164+4643	HDS2442		52	0.6	82
Show		17313+4751	COU1779		221	1.6	84
Show		17214+4552	BRT 343		213	4.5	88
Show		17328+4753	STF2189	AB	99	20.9	100
Show		17328+4753	STF2189	AC	359	67.1	100
Show		17333+4634	ALP 23	AB	125	24.3	107
Show		17333+4634	ALP 23	AC	228	43.3	107
Show		17343+4657	A 2090		113	0.9	110
Show		17171+4540	DVG 2		256	22.6	119
Show		17178+4535	STF2152		237	2.0	119
Show		17349+4803	HDS2482			0.2	123
Show		17323+4543	TDT 403		207	0.5	129
Show		17193+4917	HU 670		19	0.2	129
Show		17113+4650	DAM 968		333	4.6	130
Show		17308+4905	KPP3317		74	1.1	131
Show		17312+4903	COU1778		194	0.4	131
Show		17337+4840	KPP4042		301	1.7	131
Show		17253+4929	BVD 250		39	20.6	134
Show		17259+4505	BVD 251		216	17.2	134
Show		17326+4538	BVD 254		329	12.8	135
Show		17179+4918	STF2153		244	1.6	136
Show		17244+4931	STF2167		207	21.5	136
Show		17105+4645	A 1645		37	0.2	140
Show		17361+4602	ALD 13		31	2.8	140
Show		17366+4827	COU1922		79	0.4	148
Show		17365+4608	DAM 93		130	4.8	149
Show		17347+4858	CLZ 72		145	55.4	150
Show		17089+4720	UC 3299		315	55.9	151
Show		17382+4638	BVD 255		354	7.4	153

WDS 17237+4717 : COMPONENTS

	A	B
B	pa=8.7° sep=9.21"
C	pa=165.4° sep=108.53"	pa=167.2° sep=117.05"

17237+4717 A

Name	HD 157906	Coord arcsec 2000	172344.61+471614.3	Mag	8.16	Spectral class	F8 (yellow-white)
PmRA	-21.00	PmDE	36.0	SAO	46691	HIP	85118
Tycho2	3512-00608-1	HD	157906	GC	23561	BD	BD+47 2469

Tycho2

Tycho2	3512-00608-1	Pflag		RAmdeg	260.93580180	DEmdeg	47.27071300
PmRA	-20.5	PmDE	35.1	E RAmdeg	6	E DEmdeg	5
E pmRA	1.3	E pmDE	1.3	EpRAm	1991.31	EpDEm	1991.52
Num	6	Q RAmdeg	0.7	Q DEmdeg	0.8	Q pmRA	0.7
Q pmDE	0.8	BTmag	8.758	E BTmag	0.017	VTmag	8.164
E VTmag	0.012	Prox	92	TYC	T	HIP	85118
CCDM	A	RAdeg	260.93587250	DEdeg	47.27063194	EpRA 1990	1.57
EpDE 1990	1.69	E RAdeg	6.0	E DEdeg	5.4	Posflg
Corr	0.0

SAO

SAO	46691	DelFlag		RA1950		PmRA1950	-0.0009
DE1950		PmDE1950	0.027	Vmag	7.8	SpType	F8
Double code		Source	70	CatNum	23561	DM	BD+47 2469
DMcomp		BDsup		HD	157906	M HD	0
GC	23561	RA1950rad	4.54821034	DE1950rad	0.8257987	PmRA2000	-0.0003
PmDE2000	0.028

Hipparcos

Catalog	H	HIP	85118	Proxy	H	RAhms	17 23 44.61
DEdms	+47 16 14.3	Vmag	7.92	VarFlag		R Vmag	H
RAdeg	260.936	DEdeg	47.2706	AstroRef	A	Plx	12.48
CCDM	17237+4716	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	13	Rho	9.274	HD	157906	BD	BD+47 2469
CD		CP		Dm number	+47 2469	VIred	0.64
SpType	F8...	R SpType		Coord arcsec 2000	172344.61+471614.3

Hipparcos 2

HIP	85118	Sn	15	So	3	Nc	2
RArad	4.55419016	DErad	0.8250280626	Plx	11.79	PmRA	-17.66
PmDE	32.99	E RArad	0.6	E DErad	0.75	E Plx	0.73
E pmRA	0.89	E pmDE	1.09	Hpmag	8.0379	E Hpmag	0.0023
SHp	0.022	VA	0	BV	0.563	E BV	0.015
VI	0.64

17237+4717 B

Coord arcsec 2000	172344.75+471623.4		Mag	9.81		PmRA	-19.00		PmDE	36.0
Tycho2	3512-01480-1		Calc delta mag	1.65		Calc coord	yes

Tycho2

Tycho2	3512-01480-1	Pflag		RAmdeg	260.93668676	DEmdeg	47.27320859
PmRA	-18.0	PmDE	34.5	E RAmdeg	20	E DEmdeg	20
E pmRA	1.6	E pmDE	1.6	EpRAm	1989.79	EpDEm	1989.79
Num	4	Q RAmdeg	0.1	Q DEmdeg	0.2	Q pmRA	0.1
Q pmDE	0.2	BTmag	10.614	E BTmag	0.042	VTmag	9.805
E VTmag	0.029	Prox	92	TYC	T	HIP	85118
CCDM	B	RAdeg	260.93674889	DEdeg	47.27312833	EpRA 1990	1.59
EpDE 1990	1.65	E RAdeg	19.9	E DEdeg	20.3	Posflg
Corr	0.0

17237+4717 C

Coord arcsec 2000	172347.30+471429.3		Mag	12.27		PmRA	-5.00		PmDE	-9.0
Calc delta mag	4.11		Calc coord	yes