19490+3341 SEI 687

19^h 49^m 02.08^s +33° 40' 53.5" P.A. 191.00 sep 19.1 mag 11.04,11.16

Coord 2000	19490+3341	Discov num	SEI 687	Comp		Coord arcsec 2000	19 49 02.08 +33 40 53.5
Date first	1893	Date last	2015	Obs	16
Pa first	200	Pa last	191.3	P.A. Now (θ)	191.3°
Sep first	14.5	Sep last	19.142	Sep. Now (ρ)	19.142"
Mag pri	11.04	Mag sec	11.16	delta mag (ΔM)	0.12	Spectral class
Pri motion ra	+000	Sec motion ra	+010
Pri motion dec	+040	Sec motion dec	-001
Notes	N (See Notes)

rPM=1.055

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2673-00394-1

Gaia DR2

2035351397753390336

WDS 19490+3341 SEI 687 : NOTES

discov_num	notes	refcode
SEI 687	Also known as SMA 98.
	B = HD 225944, eclipsing binary of W UMa type, period 0.3177 days.	Zas2015

REFERENCES

refcode	metd	author	reference
Zas2015	not -	Zasche, P.	...................
Zas2015		private communication, 2015

DISCOVERER

idgroup	discov	author
1	SEI	Scheiner, J.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19490+3341	SEI 687		1998	8	192	18.5	11.04	11.16		N D	194902.08+334053.5
19490+3341	SEI 687		2002	9	192	18.7	11.04	11.16		N D	194902.08+334053.5
19490+3341	SEI 687		2013	10	191	19.1	11.04	11.16		N	194902.08+334053.5
19490+3341	SEI 687		2015	12	191	19.1	11.04	11.16		N	194902.08+334053.5

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

WDS 19490+3341 SEI 687 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 19490+3341 SEI 687 : MEASURES

No records found.

WDS 19490+3341 : VIRTUAL EYEPIECE

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WDS 19490+3341 : ALADIN DSS IMAGE @ 19^h 49^m 02.08^s +33° 40' 53.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 19490+3341 SEI 687 : 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		19490+3341	SEI 687		191	19.1
Show		19486+3339	J 779		286	4.9	6
Show		19500+3336	TDT1786		176	4.5	13
Show		19503+3351	SEI 693		17	18.4	19
Show		19475+3346	GCB 74		137	6.4	25
Show		19514+3332	J 1259	AB	89	4.4	30
Show		19514+3332	J 1259	AC	257	8.5	30
Show		19500+3407	SEI 692	AB	15	3.1	30
Show		19471+3321	HU 758		144	0.9	32
Show		19464+3344	STF2580	BC	139	100.8	33
Show		19464+3344	STF2580	BG	235	817.7	33
Show		19464+3344	STF2580	AB	68	25.9	33
Show		19464+3344	WNO 56	AF	235	792.0	33
Show		19464+3344	STF2580	AC	122	106.3	33
Show		19464+3344	KPR 4	AD	47	89.5	33
Show		19464+3344	KPR 4	AE	63	105.7	33
Show		19484+3415	SMA 95		327	14.0	35
Show		19504+3412	SEI 694		175	24.2	36
Show		19468+3405	SEI 681		175	29.6	37
Show		19462+3330	SMA 92		107	9.4	38
Show		19482+3419	SMA 94		325	14.7	41
Show		19458+3341	SMA 91		323	6.4	41
Show		19517+3404	HJ 1447	AB	331	18.6	42
Show		19517+3404	HJ 1447	AC	80	20.8	42
Show		19497+3421	SKF1862		167	38.0	42
Show		19523+3349	SEI 708		290	8.3	42
Show		19464+3344	STF2576	GI	334	37.3	44
Show		19464+3344	STF2576	GJ	242	22.5	44
Show		19464+3344	TKA 1	FJ	235	23.3	44
Show		19464+3344	RAO 69	FK	322	17.2	44
Show		19464+3344	STF2576	FG	155	3.2	44
Show		19464+3344	STF2576	FH	348	51.3	44
Show		19464+3344	STF2576	FI	333	34.6	44
Show		19486+3258	ARN 119		283	57.7	44
Show		19519+3407	SEI 706		140	12.3	45
Show		19493+3255	TDT1777		184	1.2	46
Show		19482+3256	TDT1767	BC	233	0.4	46
Show		19482+3256	ARN 118	A,BC	22	11.6	47
Show		19492+3253	GYL 21		166	6.9	49
Show		19452+3326	GRV 272		182	15.6	50
Show		19506+3255	BLL 42		255	154.2	50
Show		19484+3251	RAO 416	AB	321	1.7	51
Show		19484+3251	RAO 416	AC	88	3.6	51
Show		19470+3425	RBR 20	AB	344	2.7	52
Show		19470+3425	RBR 20	AC	339	3.0	52
Show		19470+3425	RBR 20	AD	44	2.9	52
Show		19470+3425	RBR 20	AE	188	5.8	52
Show		19470+3425	GNS 4	AF	264	11.7	52
Show		19507+3429	SEI 695	AB	351	8.7	53
Show		19507+3429	POP1227	AC	291	48.9	53
Show		19509+3429	POP 13	AB	357	4.0	54

WDS 19490+3341 : COMPONENTS

	A
B	pa=189.4° sep=19.03"

19490+3341 A

Componente originario normalizzato	AB		Coord arcsec 2000	194902.08+334053.5		Mag	11.04		PmRA	0.00
PmDE	40.0		Tycho2	2673-00394-1

Tycho2

Tycho2	2673-00394-1	Pflag		RAmdeg	297.25865263	DEmdeg	33.68153251
PmRA	-0.1	PmDE	39.0	E RAmdeg	31	E DEmdeg	37
E pmRA	1.7	E pmDE	1.7	EpRAm	1983.05	EpDEm	1983.56
Num	6	Q RAmdeg	1.1	Q DEmdeg	1.6	Q pmRA	1.1
Q pmDE	1.6	BTmag	11.690	E BTmag	0.072	VTmag	11.042
E VTmag	0.068	Prox	183	TYC	T	HIP
CCDM		RAdeg	297.25865361	DEdeg	33.68145194	EpRA 1990	1.53
EpDE 1990	1.60	E RAdeg	45.5	E DEdeg	45.1	Posflg
Corr	0.0

CCDM

Ccdm	19490+3341	RComp		Comp	A	Note1
Note2		Discov num		DRAs	1.78	DDEs	-24.0
R dRAs	65	Year		Theta		Rho
Obs	2	Vmag	10.2	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	19452N3326A
HIC

19490+3341 B

Componente originario normalizzato	AB		Coord arcsec 2000	194901.83+334034.7		Mag	11.16		PmRA	10.00
PmDE	-1.0		Tycho2	2673-00372-1		Calc delta mag	0.12		Calc coord	yes

Tycho2

Tycho2	2673-00372-1	Pflag		RAmdeg	297.25736594	DEmdeg	33.67651587
PmRA	11.1	PmDE	-1.7	E RAmdeg	37	E DEmdeg	35
E pmRA	1.7	E pmDE	1.7	EpRAm	1982.78	EpDEm	1982.91
Num	6	Q RAmdeg	1.2	Q DEmdeg	1.5	Q pmRA	1.3
Q pmDE	1.5	BTmag	11.712	E BTmag	0.071	VTmag	11.163
E VTmag	0.075	Prox	183	TYC	T	HIP
CCDM		RAdeg	297.25733139	DEdeg	33.67649722	EpRA 1990	1.53
EpDE 1990	1.64	E RAdeg	48.2	E DEdeg	47.6	Posflg
Corr	0.0

CCDM

Ccdm	19490+3341	RComp		Comp	B	Note1
Note2		Discov num	SEI 687	DRAs	2.11	DDEs	-6.9
R dRAs	65	Year	1894	Theta	020	Rho	15.2
Obs	2	Vmag	10.2	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	19454N3326A
HIC