18540+1516 L 40 (HD 175243)

18^h 53^m 57.03^s +15° 15' 35.6" P.A. 6.00 sep 12.9 mag 8.56,11.70 Sp A0 dist. 436.68 pc (1424.45 l.y.)

Coord 2000	18540+1516	Discov num	L 40	Comp		Coord arcsec 2000	18 53 57.03 +15 15 35.6
Date first	1896	Date last	2017	Obs	15
Pa first	7	Pa last	6.3	P.A. Now (θ)	6.3°
Sep first	13.4	Sep last	12.89	Sep. Now (ρ)	12.89"
Mag pri	8.56	Mag sec	11.70	delta mag (ΔM)	3.14	Spectral class	A0 (white)
Pri motion ra	+003	Sec motion ra	+005
Pri motion dec	-006	Sec motion dec	-004
Notes	N (See Notes)

rPM=0.422

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 175243	Constellation	Hercules	SAO	104235	HIP	92741
Tycho2	1584-00115-1	Gaia DR2	4507824917430499584	HD	175243	BD	BD+15 3612
Distance	436.68	Distance ly	1424.45

WDS 18540+1516 L 40 (HD 175243) : NOTES

discov_num	notes	refcode
L 40	Hipparcos acceleration double solution.
	J 2585.	Nsn2016

REFERENCES

refcode	metd	author	reference
Nsn2016	not -	Nanson, J.	...................
Nsn2016		private communication, 2016

DISCOVERER

idgroup	discov	author
1	L	Lewis, T.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18540+1516	L 40		1997	5	5	13.6	7.50	10.00	A0	N D	185357.03+151535.6
18540+1516	L 40		2008	6	6	13.3	7.50	10.00	A0	N D	185357.03+151535.6
18540+1516	L 40		2010	9	6	13.6	8.56	11.70	A0	N	185357.03+151535.6
18540+1516	L 40		2017	11	6	12.9	8.56	11.70	A0	N	185357.03+151535.6

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WDS 18540+1516 L 40 (HD 175243) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18540+1516 L 40 (HD 175243) : MEASURES

No records found.

WDS 18540+1516 (HD 175243) : VIRTUAL EYEPIECE

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

WDS 18540+1516 (HD 175243) : ALADIN DSS IMAGE @ 18^h 53^m 57.03^s +15° 15' 35.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18540+1516 L 40 (HD 175243) : 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		18540+1516	L 40		6	12.9
Show		18551+1522	BPMA 68		245	229.1	18
Show		18551+1537	BPM 887		40	68.2	27
Show		18524+1445	BPMA 66		351	253.5	38
Show		18533+1557	BPM 879		224	33.0	43
Show		18568+1505	BPM 900		256	105.4	43
Show		18510+1505	BPMA 63		327	156.2	45
Show		18515+1507	OL 105		157	4.7	45
Show		18510+1501	HDS2673		299	0.1	45
Show		18566+1545	BPM 898		20	61.1	49
Show		18523+1432	STF2411	AB	95	13.3	50
Show		18523+1432	WAL 97	AC	87	60.1	50
Show		18523+1432	WAL 97	AD	118	83.8	50
Show		18506+1525	BPM 862		276	60.3	50
Show		18574+1517	BPM 905		37	112.1	51
Show		18506+1458	BPM 863		270	86.3	52
Show		18569+1546	L 42		35	1.8	53
Show		18563+1435	BPM 896		31	99.8	53
Show		18572+1450	HU 676		79	1.2	54
Show		18565+1555	J 1278	AB	98	2.3	55
Show		18565+1555	J 1278	AC	106	26.2	55
Show		18577+1509	OL 180		47	2.2	55
Show		18517+1600	BPM 870		335	90.7	56
Show		18500+1519	YSC 12	AB	35	0.5	57
Show		18500+1519	LLO 16	AC	19	11.1	57
Show		18500+1519	LLO 16	AD	225	15.7	57
Show		18574+1445	KPP2586		286	23.4	59
Show		18504+1554	BPM 860		174	80.3	65
Show		18535+1619	HEI 263		353	6.3	65
Show		18580+1543	BPM 910		205	62.8	65
Show		18526+1414	BPMA 67		13	220.9	65
Show		18531+1412	BPM 877		210	85.7	66
Show		18555+1413	BPM 888		189	100.8	67
Show		18585+1518	TDT1157	Aa,Ab	232	0.4	67
Show		18585+1518	AG 368	AB	318	17.3	67
Show		18556+1413	BPM 889		300	117.0	67
Show		18586+1514	BPM 915		20	105.2	67
Show		18584+1459	BPM 913		18	115.5	67
Show		18511+1421	BPMA 64		274	231.1	70
Show		18491+1524	BPM 842		278	103.7	71
Show		18585+1523	OL 190		295	3.3	71
Show		18502+1603	RAO 399		140	2.8	72
Show		18522+1409	BPM 872		132	116.0	72
Show		18576+1420	BPM 906	AB	153	90.0	78
Show		18526+1400	STF2412		56	1.4	78
Show		18590+1542	BPM 917		221	99.4	79
Show		18576+1420	BPM 907	BC	218	108.7	79
Show		18500+1420	BPM 854		271	66.2	81
Show		18528+1357	BPM 876		272	62.9	81
Show		18484+1524	J 2150		34	19.9	82
Show		18585+1429	BPM 914		32	60.4	82

WDS 18540+1516 : COMPONENTS

	A
B	pa=6.1° sep=12.88"

18540+1516 A

Componente originario normalizzato	AB	Name	HD 175243	Coord arcsec 2000	185357.03+151535.6	Mag	8.56
Spectral class	A0 (white)	PmRA	3.00	PmDE	-6.0	SAO	104235
HIP	92741	Tycho2	1584-00115-1	HD	175243	BD	BD+15 3612

Tycho2

Tycho2	1584-00115-1	Pflag		RAmdeg	283.48761589	DEmdeg	15.25988329
PmRA	1.2	PmDE	-4.9	E RAmdeg	7	E DEmdeg	7
E pmRA	1.1	E pmDE	1.1	EpRAm	1991.08	EpDEm	1991.16
Num	10	Q RAmdeg	1.0	Q DEmdeg	0.4	Q pmRA	0.9
Q pmDE	0.4	BTmag	8.680	E BTmag	0.017	VTmag	8.555
E VTmag	0.014	Prox	999	TYC	T	HIP	92741
CCDM		RAdeg	283.48761333	DEdeg	15.25989444	EpRA 1990	1.72
EpDE 1990	1.78	E RAdeg	7.0	E DEdeg	7.4	Posflg
Corr	-0.1

SAO

SAO	104235	DelFlag		RA1950		PmRA1950	0.0001
DE1950		PmDE1950	-0.007	Vmag	8.4	SpType	A0
Double code		Source	29	CatNum	6903	DM	BD+15 3612
DMcomp		BDsup		HD	175243	M HD	0
GC		RA1950rad	4.93789702	DE1950rad	0.26522495	PmRA2000	0.0002
PmDE2000	-0.007

Hipparcos

Catalog	H	HIP	92741	Proxy		RAhms	18 53 57.03
DEdms	+15 15 35.6	Vmag	8.52	VarFlag		R Vmag	H
RAdeg	283.488	DEdeg	15.2599	AstroRef		Plx	1.14
CCDM	18539+1516	N CCDM	I	Nsys	1	Ncomp	1
MultFlag	G	Source		Qual		M HIP
Theta		Rho		HD	175243	BD	BD+15 3612
CD		CP		Dm number	+15 3612	VIred	0.06
SpType	A0	R SpType		Coord arcsec 2000	185357.03+151535.6

Hipparcos 2

HIP	92741	Sn	7	So	1	Nc	1
RArad	4.9477922271	DErad	0.266335484	Plx	2.29	PmRA	1
PmDE	0.29	E RArad	1.14	E DErad	0.93	E Plx	1.33
E pmRA	1.61	E pmDE	1.29	Hpmag	8.5542	E Hpmag	0.0031
SHp	0.021	VA	0	BV	0.097	E BV	0.018
VI	0.11

18540+1516 B

Componente originario normalizzato	AB		Coord arcsec 2000	185357.12+151548.4		Mag	11.7		PmRA	5.00
PmDE	-4.0		Calc delta mag	3.14		Calc coord	yes