20096+3459 SEI 929 (HD 227998)

20^h 09^m 34.34^s +34° 58' 36.2" P.A. 31.00 sep 20.9 mag 10.87,11.60 Sp A0

Coord 2000	20096+3459	Discov num	SEI 929	Comp		Coord arcsec 2000	20 09 34.34 +34 58 36.2
Date first	1896	Date last	2015	Obs	15
Pa first	30	Pa last	30.8	P.A. Now (θ)	30.8°
Sep first	21.9	Sep last	20.86	Sep. Now (ρ)	20.86"
Mag pri	10.87	Mag sec	11.60	delta mag (ΔM)	0.73	Spectral class	A0 (white)
Pri motion ra	+000	Sec motion ra	+001
Pri motion dec	-002	Sec motion dec	-010
Notes

rPM=0.802

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 227998		Constellation	Cygnus		Tycho2	2679-01212-1		Gaia DR2	2058766704770748928
HD	227998

WDS 20096+3459 SEI 929 (HD 227998) : 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
20096+3459	SEI 929		2000	7	31	21.0	10.87	11.60		D	200934.34+345836.2
20096+3459	SEI 929		2002	8	31	20.9	10.87	11.60		D	200934.34+345836.2
20096+3459	SEI 929		2011	9	31	20.8	10.87	11.60		D	200934.34+345836.2
20096+3459	SEI 929		2015	11	31	20.8	10.87	11.60	A0		200934.34+345836.2

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WDS 20096+3459 SEI 929 (HD 227998) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20096+3459 SEI 929 (HD 227998) : MEASURES

No records found.

WDS 20096+3459 (HD 227998) : VIRTUAL EYEPIECE

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WDS 20096+3459 (HD 227998) : ALADIN DSS IMAGE @ 20^h 09^m 34.34^s +34° 58' 36.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20096+3459 SEI 929 (HD 227998) : 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		20096+3459	SEI 929		31	20.9
Show		20096+3506	TOB 173		186	15.6	8
Show		20097+3510	SEI 937		67	25.3	11
Show		20099+3509	BKO 99		67	7.3	12
Show		20089+3450	SEI 918		343	14.6	13
Show		20106+3452	A 281	AB	172	4.2	15
Show		20106+3452	ARN 96	AC	314	63.6	15
Show		20103+3511	SEI 941		156	27.5	15
Show		20086+3446	TDT2016		166	0.5	17
Show		20090+3516	SEI 919		118	5.5	18
Show		20096+3519	COU2128		243	2.1	21
Show		20092+3520	ALI 184		228	13.2	22
Show		20083+3519	COU2127		227	0.2	25
Show		20095+3525	TDT2034		120	0.3	27
Show		20117+3458	SEI 977		39	15.2	27
Show		20095+3431	TOB 172		108	8.5	27
Show		20087+3525	SEI 915		230	29.0	29
Show		20080+3521	SEI 907		204	21.2	30
Show		20096+3530	BKO 97	CD	11	8.7	31
Show		20096+3530	BKO 97	EF	312	8.3	31
Show		20120+3454	SEI 987		336	23.2	31
Show		20096+3530	SEI 930	AB	101	22.5	31
Show		20096+3530	BKO 97	AC	178	24.1	31
Show		20096+3530	BKO 97	AE	107	70.4	31
Show		20093+3529	SEI 924	CD	207	27.8	31
Show		20093+3529	STF2639	AB	301	5.8	31
Show		20093+3529	SEI 923	AC	93	37.4	31
Show		20078+3520	BKO 94	BC	46	13.5	31
Show		20078+3520	SEI 901	AB	86	15.6	31
Show		20070+3458	TDT1990		154	1.3	32
Show		20079+3522	ALI 182	AB	358	9.4	32
Show		20079+3522	BKO 95	AC	36	7.5	32
Show		20119+3510	SEI 988		3	3.8	33
Show		20084+3528	ES 203		130	6.1	33
Show		20086+3529	TDS1046		341	1.2	33
Show		20077+3523	BKO 93	AB	75	3.5	34
Show		20077+3523	BKO 93	AC	223	6.5	34
Show		20096+3532	SEI 931		81	16.0	34
Show		20107+3529	RAO 427		126	0.5	34
Show		20089+3531	SEI 917		338	28.4	34
Show		20123+3451	AG 249	AB	133	32.9	35
Show		20123+3451	AG 249	AC	30	13.0	35
Show		20123+3451	AG 249	CD	352	6.3	35
Show		20113+3527	SEI 966		246	26.0	36
Show		20068+3509	GRV 313		305	29.1	36
Show		20124+3455	ABT9004		5	27.9	36
Show		20067+3455	A 278		295	1.7	36
Show		20097+3535	BKO 98	CD	261	6.8	36
Show		20097+3535	SEI 935	AB	95	7.2	37
Show		20097+3535	SEI 934	AC	161	20.2	37
Show		20120+3436	HO 120	AB	111	1.2	38

WDS 20096+3459 : COMPONENTS

	A
B	pa=26.0° sep=19.94"

20096+3459 A

Componente originario normalizzato	AB	Name	HD 227998	Coord arcsec 2000	200934.34+345836.2	Mag	10.87
Spectral class	A0 (white)	PmRA	0.00	PmDE	-2.0	Tycho2	2679-01212-1
HD	227998

Tycho2

Tycho2	2679-01212-1	Pflag		RAmdeg	302.39306346	DEmdeg	34.97671877
PmRA	-2.5	PmDE	0.7	E RAmdeg	38	E DEmdeg	33
E pmRA	1.6	E pmDE	1.6	EpRAm	1984.16	EpDEm	1986.72
Num	6	Q RAmdeg	0.6	Q DEmdeg	0.8	Q pmRA	0.6
Q pmDE	0.9	BTmag	11.131	E BTmag	0.053	VTmag	10.868
E VTmag	0.064	Prox	210	TYC	T	HIP
CCDM		RAdeg	302.39307056	DEdeg	34.97671722	EpRA 1990	1.60
EpDE 1990	1.70	E RAdeg	39.5	E DEdeg	34.4	Posflg
Corr	0.1

CCDM

Ccdm	20096+3459	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-1.64	DDEs	-23.7
R dRAs	65	Year		Theta		Rho
Obs	2	Vmag	9.0	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	20058N3441A
HIC

20096+3459 B

Componente originario normalizzato	AB		Coord arcsec 2000	200935.05+345854.1		Mag	11.6		PmRA	1.00
PmDE	-10.0		Tycho2	2679-00146-1		Calc delta mag	0.73		Calc coord	yes

Tycho2

Tycho2	2679-00146-1	Pflag		RAmdeg	302.39668211	DEmdeg	34.98171663
PmRA	0.2	PmDE	-7.1	E RAmdeg	84	E DEmdeg	77
E pmRA	2.9	E pmDE	2.7	EpRAm	1974.63	EpDEm	1978.52
Num	5	Q RAmdeg	1.1	Q DEmdeg	0.3	Q pmRA	1.1
Q pmDE	0.3	BTmag	13.423	E BTmag	0.388	VTmag	11.603
E VTmag	0.123	Prox	210	TYC		HIP
CCDM		RAdeg	302.39669306	DEdeg	34.98173361	EpRA 1990	1.62
EpDE 1990	1.73	E RAdeg	98.8	E DEdeg	86.3	Posflg
Corr	0.1

CCDM

Ccdm	20096+3459	RComp		Comp	B	Note1
Note2		Discov num	SEI 929	DRAs	-0.79	DDEs	-5.4
R dRAs	65	Year	1896	Theta	031	Rho	21.9
Obs	1	Vmag	11.0	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	20058N3441B
HIC