20128+3916 SEI 1013

20^h 12^m 49.41^s +39° 16' 14.6" P.A. 330.00 sep 20.6 mag 10.79,11.57 Sp F8

Coord 2000	20128+3916	Discov num	SEI1013	Comp		Coord arcsec 2000	20 12 49.41 +39 16 14.6
Date first	1892	Date last	2015	Obs	14
Pa first	330	Pa last	330.3	P.A. Now (θ)	330.3°
Sep first	19.7	Sep last	20.558	Sep. Now (ρ)	20.558"
Mag pri	10.79	Mag sec	11.57	delta mag (ΔM)	0.78	Spectral class	F8 (yellow-white)
Pri motion ra	+007	Sec motion ra	+004
Pri motion dec	+003	Sec motion dec	+008
Notes

rPM=0.652

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

3151-00273-1

Gaia DR2

2061798401935804800

WDS 20128+3916 SEI 1013 : 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
20128+3916	SEI1013		1999	7	330	20.5	10.79	11.57		D	201249.41+391614.6
20128+3916	SEI1013		2002	8	330	20.5	10.79	11.57		D	201249.41+391614.6
20128+3916	SEI1013		2010	9	330	20.7	10.79	11.57	F8		201249.41+391614.6
20128+3916	SEI1013		2015	10	330	20.6	10.79	11.57	F8		201249.41+391614.6

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WDS 20128+3916 SEI 1013 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20128+3916 SEI 1013 : MEASURES

No records found.

WDS 20128+3916 : VIRTUAL EYEPIECE

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

WDS 20128+3916 : ALADIN DSS IMAGE @ 20^h 12^m 49.41^s +39° 16' 14.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20128+3916 SEI 1013 : 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		20128+3916	SEI1013		330	20.6
Show		20122+3912	TDT2079		32	1.9	9
Show		20135+3912	SEI1025	AB	168	5.7	10
Show		20135+3912	SEI1025	AC	256	26.6	10
Show		20133+3905	SEI1017		259	28.3	13
Show		20144+3920	SEI1039	AB	135	10.7	20
Show		20144+3920	TOB 182	AC	194	43.2	20
Show		20121+3938	SEI 997		146	10.3	24
Show		20118+3936	COU2415	AB	158	0.4	24
Show		20118+3936	ES 1973	AB,C	352	4.1	24
Show		20124+3940	TDT2083		350	1.1	25
Show		20113+3855	DAM 199		70	6.5	28
Show		20116+3853	A 1418		330	3.0	28
Show		20112+3854	MLB 950		185	4.2	29
Show		20107+3900	ES 2046		100	6.2	29
Show		20109+3857	DAM 198		263	6.4	30
Show		20146+3855	ES 2047	AB	174	33.2	30
Show		20146+3855	ES 2047	AD	103	10.6	30
Show		20146+3855	ES 2047	AE	106	27.6	30
Show		20151+3929	MLB 982	BC	355	6.0	30
Show		20146+3855	ES 2047	BC	197	4.7	30
Show		20151+3929	MLB 982	AB	183	30.8	31
Show		20134+3844	BLL 47	AB	354	131.7	34
Show		20134+3844	BLL 47	AC	106	154.0	34
Show		20156+3910	SEI1046		249	1.5	34
Show		20117+3843	TDT2073		151	1.6	37
Show		20159+3859	BRT2230		297	6.0	41
Show		20158+3937	ES 1974		160	2.9	41
Show		20163+3924	SEI1051		148	22.3	42
Show		20093+3926	TDT2028		187	1.5	42
Show		20134+3835	SLE 966		262	11.3	43
Show		20160+3856	ALI 926		282	8.6	43
Show		20161+3854	CHR 95		56	0.2	44
Show		20091+3907	MLB 771		17	3.7	45
Show		20088+3915	MLB 769		131	4.9	47
Show		20150+3837	SLE 976		90	6.8	47
Show		20089+3905	MLB 770		284	6.1	47
Show		20135+3828	TDT2103	AB	181	1.1	49
Show		20135+3828	ES 2121	AC	233	3.5	49
Show		20099+3951	ALI1135		200	13.1	49
Show		20167+3938	HO 590	AB	207	3.5	50
Show		20167+3938	HO 590	AC	88	25.9	50
Show		20122+3827	STT 401		69	12.8	51
Show		20143+3829	SLE 970		234	11.9	51
Show		20107+4001	TDS1048		339	1.1	51
Show		20168+3942	STF2663	AB	322	5.4	53
Show		20168+3942	CTT 21	AC	188	103.0	53
Show		20168+3942	DAM1040	AF	123	22.3	53
Show		20168+3942	DAM1040	FG	225	3.5	53
Show		20085+3936	MLB 768		111	5.1	54
Show		20148+3827	A 1421		8	1.8	55

WDS 20128+3916 : COMPONENTS

	A
B	pa=336.2° sep=19.52"

20128+3916 A

Componente originario normalizzato	AB		Coord arcsec 2000	201249.41+391614.6		Mag	10.79		Spectral class	F8 (yellow-white)
PmRA	7.00		PmDE	3.0		Tycho2	3151-00273-1

Tycho2

Tycho2	3151-00273-1	Pflag		RAmdeg	303.20586551	DEmdeg	39.27071859
PmRA	5.8	PmDE	2.7	E RAmdeg	26	E DEmdeg	24
E pmRA	1.3	E pmDE	1.2	EpRAm	1983.75	EpDEm	1984.95
Num	7	Q RAmdeg	1.2	Q DEmdeg	1.4	Q pmRA	1.1
Q pmDE	1.4	BTmag	11.149	E BTmag	0.048	VTmag	10.789
E VTmag	0.055	Prox	205	TYC	T	HIP
CCDM		RAdeg	303.20584917	DEdeg	39.27071306	EpRA 1990	1.56
EpDE 1990	1.70	E RAdeg	34.0	E DEdeg	29.7	Posflg
Corr	0.1

CCDM

Ccdm	20128+3916	RComp		Comp	A	Note1
Note2		Discov num		DRAs	1.53	DDEs	14.8
R dRAs	65	Year		Theta		Rho
Obs	2	Vmag	9.8	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	20092N3858A
HIC

20128+3916 B

Componente originario normalizzato	AB		Coord arcsec 2000	201248.73+391632.5		Mag	11.57		PmRA	4.00
PmDE	8.0		Tycho2	3151-00054-1		Calc delta mag	0.78		Calc coord	yes

Tycho2

Tycho2	3151-00054-1	Pflag		RAmdeg	303.20220801	DEmdeg	39.27566303
PmRA	4.8	PmDE	8.2	E RAmdeg	50	E DEmdeg	44
E pmRA	1.5	E pmDE	1.4	EpRAm	1975.56	EpDEm	1977.95
Num	6	Q RAmdeg	0.8	Q DEmdeg	0.4	Q pmRA	0.8
Q pmDE	0.4	BTmag	11.709	E BTmag	0.070	VTmag	11.570
E VTmag	0.106	Prox	205	TYC		HIP
CCDM		RAdeg	303.20219111	DEdeg	39.27564417	EpRA 1990	1.57
EpDE 1990	1.70	E RAdeg	55.2	E DEdeg	48.4	Posflg
Corr	0.1

CCDM

Ccdm	20128+3916	RComp		Comp	B	Note1
Note2		Discov num	SEI1013	DRAs	0.64	DDEs	32.7
R dRAs	65	Year	1896	Theta	330	Rho	20.2
Obs	1	Vmag	10.8	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	20092N3858B
HIC