20156+3910 SEI 1046 (HD 228617)

20^h 15^m 37.65^s +39° 09' 56.3" P.A. 249.00 sep 1.5 mag 10.07,11.53 Sp F0

Coord 2000	20156+3910	Discov num	SEI1046	Comp		Coord arcsec 2000	20 15 37.65 +39 09 56.3
Date first	1896	Date last	1991	Obs	5
Pa first	272	Pa last	249.2	P.A. Now (θ)	249.2°
Sep first	3.6	Sep last	1.468	Sep. Now (ρ)	1.468"
Mag pri	10.07	Mag sec	11.53	delta mag (ΔM)	1.46	Spectral class	F0 (yellow-white)
Pri motion ra	-022	Sec motion ra	-004
Pri motion dec	-002	Sec motion dec	-003
Notes	N (See Notes)

rPM=0.816

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 228617		Constellation	Cygnus		Tycho2	3151-00134-1		Gaia DR2	2062102416886754816
HD	228617		ADS	13605

WDS 20156+3910 SEI 1046 (HD 228617) : NOTES

discov_num	notes	refcode
SEI1046	J 1148. ES 2048.

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
20156+3910	SEI1046		1991	5	249	1.5	10.07	11.53		N	201537.65+390956.3

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WDS 20156+3910 SEI 1046 (HD 228617) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20156+3910 SEI 1046 (HD 228617) : MEASURES

No records found.

WDS 20156+3910 (HD 228617) : VIRTUAL EYEPIECE

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WDS 20156+3910 (HD 228617) : ALADIN DSS IMAGE @ 20^h 15^m 37.65^s +39° 09' 56.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20156+3910 SEI 1046 (HD 228617) : 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		20156+3910	SEI1046		249	1.5
Show		20159+3859	BRT2230		297	6.0	12
Show		20160+3856	ALI 926		282	8.6	15
Show		20163+3924	SEI1051		148	22.3	16
Show		20161+3854	CHR 95		56	0.2	17
Show		20144+3920	SEI1039	AB	135	10.7	18
Show		20144+3920	TOB 182	AC	194	43.2	18
Show		20146+3855	ES 2047	AB	174	33.2	19
Show		20146+3855	ES 2047	AD	103	10.6	19
Show		20146+3855	ES 2047	AE	106	27.6	19
Show		20146+3855	ES 2047	BC	197	4.7	19
Show		20151+3929	MLB 982	BC	355	6.0	21
Show		20151+3929	MLB 982	AB	183	30.8	22
Show		20177+3914	COU2536		312	1.8	25
Show		20135+3912	SEI1025	AB	168	5.7	25
Show		20135+3912	SEI1025	AC	256	26.6	25
Show		20177+3921	SEI1070		143	27.9	27
Show		20133+3905	SEI1017		259	28.3	29
Show		20158+3937	ES 1974		160	2.9	29
Show		20167+3938	HO 590	AB	207	3.5	31
Show		20167+3938	HO 590	AC	88	25.9	31
Show		20128+3916	SEI1013		330	20.6	34
Show		20150+3837	SLE 976		90	6.8	34
Show		20161+3837	SEI1049		23	17.0	34
Show		20185+3916	MLB 881		145	10.3	35
Show		20168+3942	DAM1040	FG	225	3.5	35
Show		20168+3942	STF2663	AB	322	5.4	35
Show		20168+3942	CTT 21	AC	188	103.0	35
Show		20168+3942	DAM1040	AF	123	22.3	35
Show		20188+3909	SEI1079		110	6.2	37
Show		20134+3844	BLL 47	AB	354	131.7	37
Show		20134+3844	BLL 47	AC	106	154.0	37
Show		20179+3845	SLE 990		274	8.9	38
Show		20173+3837	TDT2141		96	1.3	39
Show		20188+3924	SEI1078		45	17.7	40
Show		20122+3912	TDT2079		32	1.9	40
Show		20190+3900	HO 125		196	3.5	40
Show		20173+3834	MLB 951		321	4.9	41
Show		20191+3916	TRN 28	AB	80	4.9	42
Show		20191+3916	TRN 28	AC	158	3.2	42
Show		20176+3835	ALI 927		67	5.7	42
Show		20163+3829	SLE 981		260	11.3	42
Show		20177+3836	SEI1069		247	14.6	42
Show		20134+3835	SLE 966		262	11.3	44
Show		20143+3829	SLE 970		234	11.9	44
Show		20148+3827	A 1421		8	1.8	44
Show		20192+3859	HO 126	AB	163	2.2	45
Show		20192+3859	HO 126	AC	247	37.0	45
Show		20135+3828	TDT2103	AB	181	1.1	49
Show		20135+3828	ES 2121	AC	233	3.5	49
Show		20124+3940	TDT2083		350	1.1	49

WDS 20156+3910 : COMPONENTS

	A
B	pa=243.9° sep=1.18"

20156+3910 A

Componente originario normalizzato	AB		Name	HD 228617		Coord arcsec 2000	201537.65+390956.3		Mag	10.07
Spectral class	F0 (yellow-white)		PmRA	-22.00		PmDE	-2.0		ADS	13605

CCDM

Ccdm	20156+3910	RComp		Comp	A	Note1
Note2		Discov num		DRAs	1.75	DDEs	-2.7
R dRAs	65	Year		Theta		Rho
Obs	2	Vmag	9.3	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A13605	M ADS BDS		N IDS		IDS	20120N3852A
HIC

20156+3910 B

Componente originario normalizzato	AB		Coord arcsec 2000	201537.56+390955.8		Mag	11.53		PmRA	-4.00
PmDE	-3.0		Tycho2	3151-00134-2		Calc delta mag	1.46		Calc coord	yes

Tycho2

Tycho2	3151-00134-2	Pflag		RAmdeg	303.90638746	DEmdeg	39.16549631
PmRA	-3.8	PmDE	-3.0	E RAmdeg	64	E DEmdeg	58
E pmRA	3.0	E pmDE	2.9	EpRAm	1986.33	EpDEm	1987.24
Num	2	Q RAmdeg		Q DEmdeg		Q pmRA
Q pmDE		BTmag	11.917	E BTmag	0.094	VTmag	11.529
E VTmag	0.105	Prox	15	TYC		HIP
CCDM		RAdeg	303.90639861	DEdeg	39.16550306	EpRA 1990	1.58
EpDE 1990	1.74	E RAdeg	66.1	E DEdeg	59.3	Posflg	D
Corr	0.0

CCDM

Ccdm	20156+3910	RComp		Comp	B	Note1
Note2		Discov num	SEI1046	DRAs		DDEs
R dRAs		Year	1959	Theta	262	Rho	2.0
Obs	4	Vmag	11.0	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A13605	M ADS BDS	N	N IDS		IDS	20120N3852B
HIC