18049+4808 STT 343 (HD 165717)

18^h 04^m 56.93^s +48° 08' 09.8" P.A. 79.00 sep 3.3 mag 7.63,10.51 Sp A7V dist. 126.9 pc (413.95 l.y.)

Coord 2000	18049+4808	Discov num	STT 343	Comp		Coord arcsec 2000	18 04 56.93 +48 08 09.8
Date first	1846	Date last	2019	Obs	35
Pa first	71	Pa last	78.9	P.A. Now (θ)	78.9°
Sep first	2.6	Sep last	3.339	Sep. Now (ρ)	3.339"
Mag pri	7.63	Mag sec	10.51	delta mag (ΔM)	2.88	Spectral class	A7V (white)
Pri motion ra	+004	Sec motion ra	+008
Pri motion dec	+007	Sec motion dec	+008
Notes

rPM=0.364

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 165717	Constellation	Hercules	SAO	47200	HIP	88555
Tycho2	3528-00882-1	Gaia DR2	2122652556573396096	HD	165717	ADS	11058
BD	BD+48 2635	Distance	126.9	Distance ly	413.95

WDS 18049+4808 STT 343 (HD 165717) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
STTA		(O. Struve DD - Appendix list)	...................
Stt1864	Ma -	Struve, O.	1864MNRAS..24..149S
Stt1864		MNRAS 24, 149, 1864
Stt1866	orb -	Struve, O.	.
Stt1866		Bull. Imp. Acad. Sci. St. Petersburg, 1866
Stt1874	orb -	Struve, O.	.
Stt1874		Compte Rendus 79, 1467, 1874
Stt1875	orb -	Struve, O.	1875MNRAS..35..367S
Stt1875		MNRAS 35, 367, 1875
Stt1878	Ma -	Struve, O.	1878ObPul...9....1S
Stt1878		Pulkova Observations 9, 1, 1878
Stt1879A	Ma -	Struve, O.	1879Obs.....2..304G
Stt1879A		cited by Gledhill (Obs 2, 304, 1879)
Stt1879B	Ma -	Struve, O.	1879Obs.....3..245G
Stt1879B		cited by Gledhill (Obs 3, 245, 1879)
Stt1879C	Ma -	Struve, O.	1879Obs.....2..344G
Stt1879C		cited by Gledhill (Obs 2, 344, 1879)
Stt1880A	Ma -	Struve, O.	1880Obs.....2..605H
Stt1880A		cited by Hunt (Obs. 3, 605, 1880)
Stt1880B	Ma -	Struve, O.	1880Obs.....3..535G
Stt1880B		cited by Gledhill (Obs 3, 535, 1880)
Stt1880C	Ma -	Struve, O.	1880MNRAS..40..497B
Stt1880C		cited by Burnham (MNRAS 40, 497, 1880)
Stt1884A	Ma -	Struve, O.	1884AReg...22..216S
Stt1884A		cited by Sadler (Astr. Register 22, 216, 1884)
Stt1893a	Ma j	Struve, O.	1893ObPul..10....1S
Stt1893a		Pulkova Obs. Observations 10, 1, 1893
Stt1906A	Ma -	Struve, O.	1906MmRAS..56....1L
Stt1906A		cited by Lewis (MemRAS 56, 1, 1906)
Stt1906B	Ma j	Struve, O.	1906QB821.B972.....
Stt1906B		cited in BDS (Burnham Double Star Cat., 1906)
Stt1908A	Ma -	Struve, O.	1908MNRAS..68..465B
Stt1908A		cited by Barnard (MNRAS 68, 465, 1908)
Stt1913A	Ma -	Struve, O.	1913QB811.B8.......
Stt1913A		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Stt1914A	Ma -	Struve, O.	1914AN....198..107R
Stt1914A		cited by Rabe (AN 198, 107, 1914)
Stt1932A	Ma -	Struve, O.	1932QB821.A43......
Stt1932A		cited in ADS (Aitken Double Star Cat., 1932)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18049+4808	STT 343		2002	19	79	3.3	7.63	10.51	A7V		180456.93+480809.8
18049+4808	STT 343		2013	27	79	3.2	7.63	10.51	A7V		180456.93+480809.8
18049+4808	STT 343		2017	28	83	3.1	7.63	10.51	A7V		180456.93+480809.8
18049+4808	STT 343		2019	34	79	3.3	7.63	10.51	A7V		180456.93+480809.8

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

WDS 18049+4808 STT 343 (HD 165717) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18049+4808 STT 343 (HD 165717) : MEASURES

No records found.

WDS 18049+4808 (HD 165717) : 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 18049+4808 (HD 165717) : ALADIN DSS IMAGE @ 18^h 04^m 56.93^s +48° 08' 09.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18049+4808 STT 343 (HD 165717) : 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		18049+4808	STT 343		79	3.3
Show		18044+4749	KPP 409		91	4.9	21
Show		18031+4828	STF2277	BC	300	126.4	27
Show		18031+4828	STF2277	AB	128	26.8	27
Show		18031+4828	STF2277	AC	297	99.7	27
Show		18095+4829	TDT 713		332	0.5	50
Show		18099+4824	STF2293	AB	83	12.8	52
Show		17590+4811	COU1925		38	0.2	60
Show		18117+4758	COU2116		302	1.4	68
Show		17593+4902	YSC 64	AB	42	0.7	78
Show		17593+4902	YSC 64	Ba,Bb	224	0.1	78
Show		18047+4650	COU2115	AB	42	0.3	79
Show		18047+4650	GII 258	Aa,Ab	114	0.1	79
Show		18119+4733	COU2117		119	0.4	79
Show		18069+4647	ES 1157	AB	178	29.3	84
Show		18069+4647	ES 1157	AD	236	49.7	84
Show		18069+4647	ES 1157	BC	11	2.8	85
Show		17567+4837	STF2258		222	2.0	88
Show		17560+4844	SLN 38		228	16.3	97
Show		18071+4943	STT 344		140	2.3	97
Show		17553+4802	KPP4068			16.7	98
Show		18146+4827	SHN 228		-1	0.1	99
Show		18145+4737	COU2119		275	1.3	102
Show		17563+4705	COU1781		181	0.5	107
Show		18121+4644	COU2118		274	0.1	111
Show		18009+4954	LDS4770		213	1.5	114
Show		18066+5001	COU2276	Aa,Ab	4	0.3	114
Show		18066+5001	STF2290	AB	351	4.0	114
Show		18066+5001	STF2290	AC	69	178.1	114
Show		17536+4751	TDT 559		78	2.7	115
Show		17578+4635	BDK 9		131	197.0	118
Show		18161+4729	COU2120		107	3.2	119
Show		18004+4611	J 756		181	3.5	125
Show		18109+4958	KPP3328		63	4.1	125
Show		18118+4955	COU2393		78	1.9	127
Show		18133+4944	HDS2572		69	14.6	127
Show		18024+4604	BVD 260		65	21.4	128
Show		17541+4702	HDS2525		178	0.3	128
Show		18169+4856	LDS5174	AB	155	109.7	129
Show		17524+4845	TDT 549		300	1.0	130
Show		17539+4701	KPP3325		215	8.3	131
Show		18179+4743	TDT 780		165	0.5	133
Show		17545+4938	STF2251		20	16.1	137
Show		17547+4637	RAO 380		92	1.1	138
Show		18094+5019	UC 236		322	13.5	138
Show		17521+4719	DAM 268		43	6.3	139
Show	Nova Hercules	18075+4552	KUI 85		130	3.1	140
Show		17557+4626	BAR 43	AB	253	2.0	140
Show		17557+4626	BAR 43	AC	313	33.4	140
Show		18093+4555	WFC 205		50	6.5	141
Show		17508+4824	BU 964		153	1.0	143

WDS 18049+4808 : COMPONENTS

	A
B	pa=73.6° sep=2.28"

18049+4808 A

Componente originario normalizzato	AB	Name	HD 165717	Coord arcsec 2000	180456.93+480809.8	Mag	7.63
Spectral class	A7V (white)	PmRA	4.00	PmDE	7.0	SAO	47200
HIP	88555	Tycho2	3528-00882-1	HD	165717	ADS	11058
BD	BD+48 2635

Tycho2

Tycho2	3528-00882-1	Pflag		RAmdeg	271.23721248	DEmdeg	48.13606041
PmRA	4.1	PmDE	6.5	E RAmdeg	5	E DEmdeg	5
E pmRA	1.6	E pmDE	1.7	EpRAm	1991.48	EpDEm	1991.50
Num	7	Q RAmdeg	2.0	Q DEmdeg	0.8	Q pmRA	2.1
Q pmDE	0.9	BTmag	7.877	E BTmag	0.015	VTmag	7.627
E VTmag	0.011	Prox	31	TYC	T	HIP	88555
CCDM	A	RAdeg	271.23719750	DEdeg	48.13604556	EpRA 1990	1.69
EpDE 1990	1.72	E RAdeg	4.6	E DEdeg	4.5	Posflg
Corr	0.0

SAO

SAO	47200	DelFlag		RA1950		PmRA1950	0.0014
DE1950		PmDE1950	-0.004	Vmag	7.6	SpType	A2
Double code		Source	3	CatNum	1383	DM	BD+48 2635
DMcomp		BDsup		HD	165717	M HD	0
GC		RA1950rad	4.72821927	DE1950rad	0.84003834	PmRA2000	0.002
PmDE2000	-0.004

Hipparcos

Catalog	H	HIP	88555	Proxy	H	RAhms	18 04 56.93
DEdms	+48 08 09.8	Vmag	7.53	VarFlag		R Vmag	H
RAdeg	271.237	DEdeg	48.136	AstroRef	A	Plx	8.74
CCDM	18049+4808	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	79	Rho	3.139	HD	165717	BD	BD+48 2635
CD		CP		Dm number	+48 2635	VIred	0.25
SpType	A2	R SpType		Coord arcsec 2000	180456.93+480809.8

Hipparcos 2

HIP	88555	Sn	15	So	3	Nc	2
RArad	4.7339821282	DErad	0.8401324479	Plx	7.88	PmRA	8.11
PmDE	8.2	E RArad	0.43	E DErad	0.39	E Plx	0.45
E pmRA	0.5	E pmDE	0.52	Hpmag	7.5957	E Hpmag	0.0008
SHp	0.009	VA	0	BV	0.3	E BV	0.495
VI	0.25

CCDM

Ccdm	18049+4808	RComp		Comp	A	Note1
Note2		Discov num		DRAs	2.88	DDEs	9.3
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	8.0	Sp	A2	PmNote	*
PmRA	-7	PmDE	3	Dm number	+48 2635	Cat1	BD
Name2	+48 1383	Cat2	AGK2/3	HD	165717	M HD
ADS BDS	A11058	M ADS BDS		N IDS		IDS	18023N4808A
HIC	88555

18049+4808 B

Componente originario normalizzato	AB		Coord arcsec 2000	180457.15+480810.4		Mag	10.51		PmRA	8.00
PmDE	8.0		Calc delta mag	2.88		Calc coord	yes

CCDM

Ccdm	18049+4808	RComp		Comp	B	Note1
Note2		Discov num	STT 343	DRAs		DDEs
R dRAs		Year	1846	Theta	076	Rho	2.9
Obs	11	Vmag	11.0	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A11058	M ADS BDS		N IDS		IDS	18023N4808B
HIC	88555