20068-4031 WG 250 (HD 190478)

20^h 06^m 46.19^s -40° 30' 57.1" P.A. 330.00 sep 16.7 mag 10.00,10.40 Sp A7/8III/

Coord 2000	20068-4031	Discov num	WG 250	Comp		Coord arcsec 2000	20 06 46.19 -40 30 57.1
Date first	1879	Date last	2015	Obs	9
Pa first	331	Pa last	329.8	P.A. Now (θ)	329.8°
Sep first	14.0	Sep last	16.716	Sep. Now (ρ)	16.716"
Mag pri	10.00	Mag sec	10.40	delta mag (ΔM)	0.4	Spectral class	A7/8III/ (white)
Pri motion ra	-004	Sec motion ra	-007
Pri motion dec	+002	Sec motion dec	+009
Notes	N (See Notes)

rPM=0.668

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 190478		Constellation	Sagittarius		Tycho2	7951-00983-1		Gaia DR2	6687450378374460160
HD	190478

WDS 20068-4031 WG 250 (HD 190478) : NOTES

discov_num	notes	refcode
WG 250	Spectrum A7/8III/IV.

REFERENCES

refcode	metd	author	reference
Wg_1911a	Ma -	Wrigley, R.W.	1911MNRAS..71..479W
Wg_1911a		MNRAS 71, 479, 1911
Wg_1911	Pa j	Wrigley, R.W.	1911MNRAS..72...34W
Wg_1911		MNRAS 72, 34, 1911

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20068-4031	WG 250		2000	4	330	16.8	10.00	10.40		N D	200646.19-403057.1
20068-4031	WG 250		2010	7	330	16.7	10.00	10.40	A7/8III/	N	200646.19-403057.1
20068-4031	WG 250		2015	8	330	16.7	10.00	10.40	A7/8III/	N	200646.19-403057.1

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WDS 20068-4031 WG 250 (HD 190478) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20068-4031 WG 250 (HD 190478) : MEASURES

No records found.

WDS 20068-4031 (HD 190478) : VIRTUAL EYEPIECE

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WDS 20068-4031 (HD 190478) : ALADIN DSS IMAGE @ 20^h 06^m 46.19^s -40° 30' 57.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20068-4031 WG 250 (HD 190478) : 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		20068-4031	WG 250		330	16.7
Show		20055-4034	UC 4080		89	18.9	15
Show		20056-4048	UC 4083		34	47.0	22
Show		20055-4109	UC 4081		352	14.1	41
Show		20079-3952	UC 4093		108	23.5	42
Show		20079-3951	CRU9011	AB	185	82.5	43
Show		20079-3951	CRU9011	AC	96	80.1	43
Show		20092-4105	GRV1264		114	1.9	44
Show		20081-3929	RST2134		50	0.3	64
Show		20061-4138	CBL 177		9	23.7	68
Show		20027-3939	RST2131		301	0.5	70
Show		20123-3956	WG 251		306	9.6	73
Show		20022-3936	UC 4068		138	34.2	76
Show		19597-4030	HJ 5159		30	27.1	81
Show		20112-3926	HDS2878		37	0.3	83
Show		20140-4053	SKF1163		12	8.5	86
Show		20008-3938	WG 249		125	13.4	87
Show		20125-4130	RST2136		48	0.6	88
Show		20076-4200	RSS 541		318	10.0	90
Show		19587-4029	RST2125		91	0.6	93
Show		20046-4206	UC 4076		4	40.2	99
Show		20134-3927	TDT2102		269	0.5	99
Show		19580-4031	SKF1095		104	48.9	100
Show		19581-4012	CRU9010		46	13.1	102
Show		20048-4215	B 984		32	2.4	107
Show		20148-3936	CRU9012		115	17.1	108
Show		19572-4035	RST2124		74	3.0	109
Show		20090-3843	SEE 407		259	3.3	111
Show		19574-4100	I 1408		94	0.4	111
Show		20108-3845	YMG 90		343	1.4	117
Show		19587-4151	TDT1895		91	0.5	122
Show		20064-3829	RST2132		119	0.4	122
Show		20174-4004	WG 252		99	3.3	126
Show		20178-4011	DUN 230		117	9.7	128
Show		20012-3835	HDO 294		33	1.3	133
Show		20006-3836	KPP 450		104	3.7	136
Show		20118-3825	TOK 904		315	4.2	136
Show		20185-4000	B 474	AB	28	3.3	138
Show		20185-4000	WG 254	AC	20	14.3	138
Show		20174-3926	UC 4138		291	62.0	139
Show		20190-4037	KPP2109		91	17.1	139
Show		20123-3826	SKF2085		2	18.8	141
Show		19543-4049	SKF1160	AB	225	140.4	143
Show		20071-4256	DON 979		258	0.9	146
Show		20020-3816	TDT1925		66	0.5	147
Show		20187-3932	UC 4143		351	60.9	149
Show		20033-4255	I 1490		152	0.9	150
Show		20134-3821	B 472		24	1.0	151
Show		20166-3841	KPP1571		71	11.9	158
Show		20199-3938	UC 4148		227	39.2	160
Show		19596-3813	RST2126		141	2.0	162

WDS 20068-4031 : COMPONENTS

	A
B	pa=336.1° sep=15.80"

20068-4031 A

Componente originario normalizzato	AB	Name	HD 190478	Coord arcsec 2000	200646.19-403057.1	Mag	10
Spectral class	A7/8III/ (white)	PmRA	-4.00	PmDE	2.0	Tycho2	7951-00983-1
HD	190478

Tycho2

Tycho2	7951-00983-1	Pflag		RAmdeg	301.69246590	DEmdeg	-40.51586870
PmRA	-3.0	PmDE	0.5	E RAmdeg	12	E DEmdeg	16
E pmRA	1.1	E pmDE	1.4	EpRAm	1988.91	EpDEm	1989.85
Num	6	Q RAmdeg	1.7	Q DEmdeg	0.4	Q pmRA	1.6
Q pmDE	0.4	BTmag	10.209	E BTmag	0.026	VTmag	9.826
E VTmag	0.024	Prox	999	TYC	T	HIP
CCDM		RAdeg	301.69247694	DEdeg	-40.51587000	EpRA 1990	1.77
EpDE 1990	1.54	E RAdeg	12.8	E DEdeg	16.3	Posflg
Corr	-0.1

20068-4031 B

Componente originario normalizzato	AB		Coord arcsec 2000	200645.63-403042.7		Mag	10.4		PmRA	-7.00
PmDE	9.0		Calc delta mag	0.4		Calc coord	yes