20188+3924 SEI 1078 (HD 193427)

20^h 18^m 45.15^s +39° 24' 22.4" P.A. 45.00 sep 17.7 mag 9.32,11.32 Sp B1V

Coord 2000	20188+3924	Discov num	SEI1078	Comp		Coord arcsec 2000	20 18 45.15 +39 24 22.4
Date first	1892	Date last	2015	Obs	12
Pa first	45	Pa last	44.5	P.A. Now (θ)	44.5°
Sep first	18.1	Sep last	17.691	Sep. Now (ρ)	17.691"
Mag pri	9.32	Mag sec	11.32	delta mag (ΔM)	2	Spectral class	B1V (blue-white)
Pri motion ra	-005	Sec motion ra	-004
Pri motion dec	-005	Sec motion dec	-005
Notes

rPM=0.141 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 193427		Constellation	Cygnus		SAO	69813		Tycho2	3155-00329-1
Gaia DR2	2061472499799425664		HD	193427

WDS 20188+3924 SEI 1078 (HD 193427) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Sei1908	Pa -	Scheiner, J.	1908POPot..59.....S
Sei1908	+Po	Pub. Obs. Potsdam 20, #59, 1908
Sei1913A	Pa -	Scheiner, J.	1913QB811.B8.......
Sei1913A		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Sei1932A	Pa -	Scheiner, J.	1932QB821.A43......
Sei1932A		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
20188+3924	SEI1078		2000	5	44	17.8	9.31	11.30	B1V	D	201845.15+392422.4
20188+3924	SEI1078		2002	6	44	17.7	9.31	11.30	B1V	D	201845.15+392422.4
20188+3924	SEI1078		2010	7	45	17.7	9.32	11.32	B1V		201845.15+392422.4
20188+3924	SEI1078		2015	8	45	17.7	9.32	11.32	B1V		201845.15+392422.4

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WDS 20188+3924 SEI 1078 (HD 193427) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20188+3924 SEI 1078 (HD 193427) : MEASURES

No records found.

WDS 20188+3924 (HD 193427) : VIRTUAL EYEPIECE

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

WDS 20188+3924 (HD 193427) : ALADIN DSS IMAGE @ 20^h 18^m 45.15^s +39° 24' 22.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20188+3924 SEI 1078 (HD 193427) : 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		20188+3924	SEI1078		45	17.7
Show		20185+3916	MLB 881		145	10.3	9
Show		20191+3916	TRN 28	AB	80	4.9	10
Show		20191+3916	TRN 28	AC	158	3.2	10
Show		20177+3921	SEI1070		143	27.9	13
Show		20192+3938	ES 2051		306	4.9	15
Show		20200+3921	MLB 882		279	5.0	16
Show		20188+3909	SEI1079		110	6.2	16
Show		20177+3914	COU2536		312	1.8	16
Show		20201+3921	ES 2050	AB	92	5.9	17
Show		20201+3921	ES 2050	AC	191	11.2	17
Show		20199+3933	HO 593		313	5.0	17
Show		20203+3924	A 1427	AB	132	0.2	18
Show		20203+3924	STF2668	AB,C	280	3.5	18
Show		20203+3922	SEI1091		180	27.7	19
Show		20203+3920	SEI1090		154	13.9	19
Show		20203+3919	BKO 566		159	5.9	19
Show		20189+3945	COU2537		295	0.8	21
Show		20206+3919	TDS1061		345	1.5	22
Show		20206+3917	BKO 567	AB	284	5.6	23
Show		20206+3917	BKO 567	AC	87	5.2	23
Show		20207+3922	SEI1094		316	27.1	24
Show		20208+3922	BKO 568		249	8.1	25
Show		20190+3900	HO 125		196	3.5	25
Show		20208+3919	TDT2196		192	0.4	25
Show		20209+3928	HO 127		94	1.9	26
Show		20184+3950	A 1424		46	1.1	26
Show		20192+3859	HO 126	AB	163	2.2	27
Show		20192+3859	HO 126	AC	247	37.0	27
Show		20210+3919	SEI1097	AB	44	27.2	28
Show		20210+3919	TOB 186	BC	51	16.2	28
Show		20167+3938	HO 590	AB	207	3.5	28
Show		20167+3938	HO 590	AC	88	25.9	28
Show		20168+3942	DAM1040	FG	225	3.5	29
Show		20163+3924	SEI1051		148	22.3	29
Show		20168+3942	STF2663	AB	322	5.4	29
Show		20168+3942	CTT 21	AC	188	103.0	29
Show		20168+3942	DAM1040	AF	123	22.3	29
Show		20183+3953	BKO 822		60	7.1	30
Show		20178+3956	HJ 2951	AB	125	10.8	33
Show		20178+3956	FOX9014	AC	61	24.4	33
Show		20198+3852	SLE1004		166	11.2	35
Show		20198+3958	MLB1014		241	7.6	36
Show		20158+3937	ES 1974		160	2.9	37
Show		20199+4000	MLB1015		89	4.0	38
Show		20203+3958	BRT2260		9	3.2	39
Show		20156+3910	SEI1046		249	1.5	40
Show		20216+3902	SEI1101		11	11.6	40
Show		20214+3900	GRV 334		275	31.1	40
Show		20179+3845	SLE 990		274	8.9	42
Show		20215+3950	SEI1103		223	17.0	42

WDS 20188+3924 : COMPONENTS

	A
B	pa=37.2° sep=15.84"

20188+3924 A

Componente originario normalizzato	AB	Name	HD 193427	Coord arcsec 2000	201845.15+392422.4	Mag	9.32
Spectral class	B1V (blue-white)	PmRA	-5.00	PmDE	-5.0	SAO	69813
Tycho2	3155-00329-1	HD	193427	DM	BD+38 4002

Tycho2

Tycho2	3155-00329-1	Pflag		RAmdeg	304.68817784	DEmdeg	39.40622266
PmRA	-2.9	PmDE	-4.2	E RAmdeg	11	E DEmdeg	10
E pmRA	1.0	E pmDE	1.0	EpRAm	1989.53	EpDEm	1990.33
Num	10	Q RAmdeg	0.9	Q DEmdeg	0.8	Q pmRA	0.9
Q pmDE	0.8	BTmag	9.670	E BTmag	0.022	VTmag	9.315
E VTmag	0.018	Prox	999	TYC	T	HIP
CCDM		RAdeg	304.68818722	DEdeg	39.40623250	EpRA 1990	1.50
EpDE 1990	1.63	E RAdeg	11.7	E DEdeg	10.4	Posflg
Corr	0.0

SAO

SAO	69813	DelFlag		RA1950		PmRA1950	0.0005
DE1950		PmDE1950	-0.023	Vmag	8.9	SpType	B
Double code		Source	5	CatNum	2100	DM	BD+38 4002
DMcomp		BDsup		HD	193427	M HD	0
GC		RA1950rad	5.30991295	DE1950rad	0.68501854	PmRA2000	0.0008
PmDE2000	-0.025

CCDM

Ccdm	20188+3924	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-2.80	DDEs	22.0
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	9.2	Sp	B	PmNote	*
PmRA	2	PmDE	-11	Dm number	+38 4002	Cat1	BD
Name2	+39 2100	Cat2	AGK2/3	HD	193427	M HD
ADS BDS		M ADS BDS		N IDS		IDS	20151N3906A
HIC

20188+3924 B

Componente originario normalizzato	AB		Coord arcsec 2000	201845.98+392435.0		Mag	11.32		PmRA	-4.00
PmDE	-5.0		Calc delta mag	2		Calc coord	yes

CCDM

Ccdm	20188+3924	RComp		Comp	B	Note1
Note2		Discov num	SEI1078	DRAs		DDEs
R dRAs		Year	1896	Theta	046	Rho	17.7
Obs	1	Vmag	11.2	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	20151N3906B
HIC