18487+3401 HU 936

18^h 48^m 42.19^s +34° 01' 04.8" P.A. 101.00 sep 1.8 mag 9.66,9.85 Sp F8

Coord 2000	18487+3401	Discov num	HU 936	Comp		Coord arcsec 2000	18 48 42.19 +34 01 04.8
Date first	1904	Date last	2017	Obs	31
Pa first	102	Pa last	101.2	P.A. Now (θ)	101.2°
Sep first	1.9	Sep last	1.844	Sep. Now (ρ)	1.844"
Mag pri	9.66	Mag sec	9.85	delta mag (ΔM)	0.19	Spectral class	F8 (yellow-white)
Pri motion ra	-022	Sec motion ra	-022
Pri motion dec	+020	Sec motion dec	+020
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Lyra

Tycho2

2646-02225-2

Gaia DR2

2091540496379749888

WDS 18487+3401 HU 936 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Hu_1896	not -	Hussey, W.F.	1896PASP....8..183H
Hu_1896		PASP 8, 183, 1896
Hu_1897	Ma -	Hussey, W.J.	1897AJ.....17...97H
Hu_1897		AJ 17, 97, 1897
Hu_1898	Ma j	Hussey, W.J.	1898AJ.....18..145H
Hu_1898		AJ 18, 145, 1898
Hu_1899	Ma j	Hussey, W.J.	1899AN....150..175H
Hu_1899		AN 150, 175, 1899
Hu_1900a	Ma -	Hussey, W.J.	1900AJ.....20..192H
Hu_1900a		AJ 20, 192, 1900
Hu_1900b	Ma -	Hussey, W.J.	1900AJ.....21...35H
Hu_1900b		AJ 21, 35, 1900
Hu_1900c	Ma j	Hussey, W.J.	1900AN....152..329H
Hu_1900c		AN 152, 329, #3645, 1900
Hu_1901a	Ma j	Hussey, W.J.	1901PLicO...5.....H
Hu_1901a	+orb	Pub. Lick Obs. 5, 1901
Hu_1901b	Ma j	Hussey, W.J.	1901LicOB...1...82H
Hu_1901b		Lick Obs. Bull. 1, 82, 1901
Hu_1902a	Ma j	Hussey, W.J.	1902LicOB...1..161H
Hu_1902a		Lick Obs. Bull. 1, 161, 1902
Hu_1902b	Ma j	Hussey, W.J.	1902LicOB...2....1H
Hu_1902b		Lick Obs. Bull. 2, 1, 1902
Hu_1903a	Ma j	Hussey, W.J.	1903LicOB...2...73H
Hu_1903a		Lick Obs. Bull. 2, 73, 1903
Hu_1903b	Ma j	Hussey, W.J.	1903LicOB...2..115H
Hu_1903b		Lick Obs. Bull. 2, 115, 1903
Hu_1904a	Ma j	Hussey, W.J.	1904LicOB...2..180H
Hu_1904a		Lick Obs. Bull. 2, 180, 1904
Hu_1904b	Ma -	Hussey, W.J.	1904LicOB...3...53H
Hu_1904b		Lick Obs. Bull. 3, 53, 1904
Hu_1905a	Ma -	Hussey, W.J.	1905LicOB...3...95H
Hu_1905a		Lick Obs. Bull. 3, 95, 1905
Hu_1905b	Ma -	Hussey, W.J.	1905LicOB...3..116H
Hu_1905b		Lick Obs. Bull. 3, 116, 1905
Hu_1905c	Ma -	Hussey, W.J.	1905LicOB...3..151H
Hu_1905c		Lick Obs. Bull. 3, 151, 1905
Hu_1906A	Ma -	Hussey, W.J.	1906MmRAS..56....1L
Hu_1906A		cited by Lewis (MemRAS 56, 1, 1906)
Hu_1906B	Ma -	Hussey, W.J.	1906QB821.B972.....
Hu_1906B		cited in BDS (Burnham Double Star Cat.), 1906
Hu_1907	Ma -	Hussey, W.J.	1907LicOB...4..124H
Hu_1907		Lick Obs. Bull. 4, 124, 1907
Hu_1910	Ma -	Hussey, W.J.	1910AJ.....21..105H
Hu_1910		AJ 21, 105, 1910
Hu_1911	Ma -	Hussey, W.J.	1911LicOB...6..182H
Hu_1911		Lick Obs. Bull. 6, 182, 1911
Hu_1912a	Ma -	Hussey, W.J.	1915POMic...1..147H
Hu_1912a		Pub. Univ. Michigan Obs. 1, 147, 1912
Hu_1912b	Ma -	Hussey, W.J.	1915POMic...1..160H
Hu_1912b		Pub. Univ. Michigan Obs. 1, 160, 1912
Hu_1912c	Ma -	Hussey, W.J.	1915POMic...1..167H
Hu_1912c		Pub. Univ. Michigan Obs. 1, 167, 1912
Hu_1927A	Ma -	Hussey, W.J.	1927sdsc.book......
Hu_1927A		cited in SDS (Southern Double Star Cat.), 1927
Hu_1932A	Ma -	Hussey, W.J.	1932QB821.A43......
Hu_1932A		cited in ADS (Aitken Double Star Cat.), 1932
Hu_9999	Ma -	Hussey, W.J.	...................
Hu_9999		Unpublished, manuscript or reference not found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18487+3401	HU 936		2005	28	100	1.8	9.66	9.85	F8		184842.19+340104.8
18487+3401	HU 936		2008	30	97	1.8	9.66	9.85	F8		184842.19+340104.8
18487+3401	HU 936		2011	31	98	1.8	9.66	9.85	F8		184842.19+340104.8
18487+3401	HU 936		2013	28	99	1.9	9.66	9.85	F8		184842.19+340104.8
18487+3401	HU 936		2016	29	99	1.9	9.66	9.85	F8		184842.19+340104.8
18487+3401	HU 936		2017	30	101	1.8	9.66	9.85	F8		184842.19+340104.8

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

WDS 18487+3401 HU 936 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18487+3401 HU 936 : MEASURES

No records found.

WDS 18487+3401 : VIRTUAL EYEPIECE

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

WDS 18487+3401 : ALADIN DSS IMAGE @ 18^h 48^m 42.19^s +34° 01' 04.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18487+3401 HU 936 : 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		18487+3401	HU 936		101	1.8
Show		18496+3415	COU1155		223	3.3	18
Show		18491+3343	UC 3682		310	18.4	20
Show		18475+3415	KPP4122		53	4.1	21
Show		18483+3432	POP 43		297	2.6	30
Show		18465+3414	COU1153		116	0.4	30
Show		18490+3432	YSC 11		55	0.4	32
Show		18494+3324	J 765		333	2.3	36
Show		18518+3410	GYL 10		243	24.1	39
Show		18515+3418	DAM1253		339	9.8	39
Show		18501+3322	BU 293	EF	66	79.4	42
Show		18488+3319	HJ 1349	AB	93	29.9	42
Show		18501+3322	RBR 11	Aa,Ab	176	0.5	43
Show	Sheliak	18501+3322	STFA 39	AB	149	45.7	43
Show	Sheliak	18501+3322	BU 293	AC	247	46.8	43
Show	Sheliak	18501+3322	BU 293	AD	68	64.0	43
Show	Sheliak	18501+3322	BU 293	AE	317	67.2	43
Show	Sheliak	18501+3322	BU 293	AF	18	86.0	43
Show	Sheliak	18501+3322	CIA 3	Aa1,2	88	0.0	43
Show		18501+3322	BU 293	BE	322	112.4	44
Show		18501+3322	BU 293	BF	1	120.6	44
Show		18462+3328	COU1152		259	1.7	46
Show		18495+3316	STF2407		207	30.0	47
Show		18458+3431	STF2390		155	4.3	47
Show		18535+3437	L 26		71	7.3	48
Show		18445+3400	STTA172		5	64.9	53
Show		18506+3313	TAR 3	BC	214	3.3	55
Show		18506+3313	TAR 3	AB	302	15.8	55
Show		18506+3313	BKO 54	AD	192	14.0	55
Show		18523+3321	ES 2233	BC	88	2.8	60
Show		18523+3321	ES 2233	BD	117	7.8	60
Show		18523+3321	ES 2233	AB	246	44.9	60
Show		18493+3301	ES 2287		292	3.8	61
Show		18473+3302	TDS 945		318	1.5	62
Show		18464+3500	SLE 367		290	18.5	65
Show		18438+3433	SEI 573		298	20.9	69
Show		18528+3448	DAM 288	AB	347	11.4	69
Show		18528+3448	DAM 288	AC	301	11.6	69
Show		18469+3254	KPP4121		75	6.5	72
Show		18495+3512	POP 44		230	9.7	72
Show		18498+3249	H 5 40	AB	76	33.7	74
Show		18498+3249	H 5 40	AC	120	57.5	74
Show		18498+3249	WAL 95	AE	350	80.0	74
Show		18498+3249	WAL 95	AF	349	70.5	74
Show		18498+3249	H 5 40	CD	212	18.5	75
Show		18476+3248	COU1154		57	0.6	75
Show		18549+3358	SHJ 282	CD	283	192.4	77
Show		18549+3358	STT 525	AB	130	1.8	77
Show		18549+3358	SHJ 282	AC	349	45.4	77
Show		18549+3358	SHJ 282	AD	295	214.8	77
Show		18527+3301	WLY 1	CD	125	6.6	79

WDS 18487+3401 : COMPONENTS

	A
B	pa=103.4° sep=1.54"

18487+3401 A

Componente originario normalizzato	AB		Coord arcsec 2000	184842.19+340104.8		Mag	9.66		Spectral class	F8 (yellow-white)
PmRA	-22.00		PmDE	20.0		Tycho2	2646-02225-2

Tycho2

Tycho2	2646-02225-2	Pflag	P	RAmdeg	282.17578644	DEmdeg	34.01800948
PmRA	-22.0	PmDE	20.3	E RAmdeg	17	E DEmdeg	17
E pmRA	1.9	E pmDE	1.8	EpRAm	1990.25	EpDEm	1990.17
Num	7	Q RAmdeg	1.4	Q DEmdeg	1.1	Q pmRA	1.4
Q pmDE	1.2	BTmag	10.198	E BTmag	0.029	VTmag	9.659
E VTmag	0.027	Prox	18	TYC	T	HIP
CCDM		RAdeg	282.17558556	DEdeg	34.01800583	EpRA 1990	1.56
EpDE 1990	1.60	E RAdeg	17.2	E DEdeg	16.8	Posflg	D
Corr	0.1

CCDM

Ccdm	18487+3401	RComp		Comp	A	Note1
Note2		Discov num		DRAs	0.22	DDEs	5.6
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	9.4	Sp		PmNote	*
PmRA	-3	PmDE	37	Dm number	+33 3212	Cat1	BD
Name2	+33 1681	Cat2	AGK2/3	HD		M HD
ADS BDS	A11717	M ADS BDS		N IDS		IDS	18450N3354A
HIC

18487+3401 B

Componente originario normalizzato	AB		Coord arcsec 2000	184842.31+340104.4		Mag	9.85		PmRA	-22.00
PmDE	20.0		Tycho2	2646-02225-1		Calc delta mag	0.19		Calc coord	yes

Tycho2

Tycho2	2646-02225-1	Pflag	P	RAmdeg	282.17578644	DEmdeg	34.01800948
PmRA	-22.0	PmDE	20.3	E RAmdeg	17	E DEmdeg	17
E pmRA	1.9	E pmDE	1.8	EpRAm	1990.25	EpDEm	1990.17
Num	7	Q RAmdeg	1.4	Q DEmdeg	1.1	Q pmRA	1.4
Q pmDE	1.2	BTmag	10.317	E BTmag	0.032	VTmag	9.846
E VTmag	0.032	Prox	18	TYC	T	HIP
CCDM		RAdeg	282.17617194	DEdeg	34.01790778	EpRA 1990	1.56
EpDE 1990	1.59	E RAdeg	20.1	E DEdeg	20.0	Posflg	D
Corr	0.1

CCDM

Ccdm	18487+3401	RComp		Comp	B	Note1
Note2		Discov num	HU 936	DRAs		DDEs
R dRAs		Year	1904	Theta	101	Rho	1.9
Obs	12	Vmag	9.7	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A11717	M ADS BDS		N IDS		IDS	18450N3354B
HIC