20158+4024 TDS 1055 (HD 228642)

20^h 15^m 50.79^s +40° 23' 52.9" P.A. 163.00 sep 0.9 mag 10.94,12.12 Sp A0

Coord 2000	20158+4024	Discov num	TDS1055	Comp		Coord arcsec 2000	20 15 50.79 +40 23 52.9
Date first	1991	Date last	1991	Obs	1
Pa first	163	Pa last	163.4	P.A. Now (θ)	163.4°
Sep first	0.9	Sep last	0.851	Sep. Now (ρ)	0.851"
Mag pri	10.94	Mag sec	12.12	delta mag (ΔM)	1.18	Spectral class	A0 (white)
Pri motion ra	-002	Sec motion ra	-002
Pri motion dec	-011	Sec motion dec	-011
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 228642		Constellation	Cygnus		Tycho2	3155-00885-1		Gaia DR2	2062328744477949184
HD	228642

WDS 20158+4024 TDS 1055 (HD 228642) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
TDS		Tycho Double Star (from additional DD list)	...................
TDT		Tycho Double Star (from additional DD list)	...................

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20158+4024	TDS1055		1991	1	163	0.9	10.94	12.12			201550.79+402352.9

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WDS 20158+4024 TDS 1055 (HD 228642) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20158+4024 TDS 1055 (HD 228642) : MEASURES

No records found.

WDS 20158+4024 (HD 228642) : VIRTUAL EYEPIECE

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WDS 20158+4024 (HD 228642) : ALADIN DSS IMAGE @ 20^h 15^m 50.79^s +40° 23' 52.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20158+4024 TDS 1055 (HD 228642) : 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		20158+4024	TDS1055		163	0.9
Show		20155+4030	A 390		328	0.8	8
Show		20169+4022	BU 661	AB	69	12.3	13
Show		20169+4022	BU 661	AC	217	111.7	13
Show		20170+4017	CNT 5		331	5.9	15
Show		20148+4035	TDT2118		312	0.4	17
Show		20163+4007	MLB1013		160	4.0	18
Show		20176+4020	BRT2259		29	1.4	20
Show		20177+4030	HDS2897		273	0.3	23
Show		20144+4048	TDT2113		181	0.5	30
Show		20136+4040	TDT2104		161	0.9	31
Show		20184+4033	ARN 49		313	30.2	31
Show		20181+4044	STF2666	CD	142	24.1	33
Show		20133+4038	GRV 324		252	7.7	33
Show		20181+4044	CHR 96	Aa,Ab	151	0.1	33
Show		20181+4044	STF2666	AB	245	2.8	33
Show		20181+4044	STF2666	AC	207	34.0	33
Show		20181+4044	TAR 5	AD	181	49.6	33
Show		20137+4050	DOO 13		258	3.0	36
Show		20178+3956	HJ 2951	AB	125	10.8	37
Show		20178+3956	FOX9014	AC	61	24.4	37
Show		20138+4055	TDT2106		358	0.5	39
Show		20183+3953	BKO 822		60	7.1	42
Show		20168+3942	STF2663	AB	322	5.4	44
Show		20168+3942	CTT 21	AC	188	103.0	44
Show		20168+3942	DAM1040	AF	123	22.3	44
Show		20168+3942	DAM1040	FG	225	3.5	44
Show		20184+3950	A 1424		46	1.1	45
Show		20158+3937	ES 1974		160	2.9	46
Show		20167+3938	HO 590	AB	207	3.5	48
Show		20167+3938	HO 590	AC	88	25.9	48
Show		20144+4112	TDT2112		64	0.6	51
Show		20199+4000	MLB1015		89	4.0	53
Show		20189+3945	COU2537		295	0.8	53
Show		20204+4021	TDT2186		349	0.5	53
Show		20198+3958	MLB1014		241	7.6	53
Show		20151+3929	MLB 982	AB	183	30.8	55
Show		20143+4115	COU2639		244	0.4	55
Show		20151+4118	A 387	CD	19	9.0	55
Show		20151+3929	MLB 982	BC	355	6.0	55
Show		20151+4118	A 387	AB	151	5.1	55
Show		20151+4118	A 387	AC	222	21.6	55
Show		20207+4031	TDT2193		288	1.2	56
Show		20203+3958	BRT2260		9	3.2	58
Show		20110+4041	KPP1897		323	14.9	58
Show		20187+4113	COU2640		265	0.5	60
Show		20111+4048	TDT2057		14	1.3	60
Show		20124+3940	TDT2083		350	1.1	60
Show		20192+3938	ES 2051		306	4.9	61
Show		20163+3924	SEI1051		148	22.3	61
Show		20210+4041	TDT2199		122	0.8	62

WDS 20158+4024 : COMPONENTS

	A
B	pa=167.2° sep=0.84"

20158+4024 A

Componente originario normalizzato	AB	Name	HD 228642	Coord arcsec 2000	201550.79+402352.9	Mag	10.94
Spectral class	A0 (white)	PmRA	-2.00	PmDE	-11.0	Tycho2	3155-00885-1
HD	228642

Tycho2

Tycho2	3155-00885-1	Pflag	P	RAmdeg	303.96163084	DEmdeg	40.39801709
PmRA	-1.6	PmDE	-11.3	E RAmdeg	37	E DEmdeg	38
E pmRA	1.8	E pmDE	1.7	EpRAm	1987.15	EpDEm	1985.96
Num	3	Q RAmdeg	0.6	Q DEmdeg	1.8	Q pmRA	0.7
Q pmDE	1.8	BTmag	11.261	E BTmag	0.058	VTmag	10.944
E VTmag	0.065	Prox	9	TYC	T	HIP
CCDM		RAdeg	303.96161389	DEdeg	40.39810000	EpRA 1990	1.59
EpDE 1990	1.57	E RAdeg	37.9	E DEdeg	38.5	Posflg	D
Corr	0.0

20158+4024 B

Componente originario normalizzato	AB		Coord arcsec 2000	201550.81+402352.1		Mag	12.12		PmRA	-2.00
PmDE	-11.0		Tycho2	3155-00885-2		Calc delta mag	1.18		Calc coord	yes

Tycho2

Tycho2	3155-00885-2	Pflag	P	RAmdeg	303.96163084	DEmdeg	40.39801709
PmRA	-1.6	PmDE	-11.3	E RAmdeg	37	E DEmdeg	38
E pmRA	1.8	E pmDE	1.7	EpRAm	1987.15	EpDEm	1985.96
Num	3	Q RAmdeg	0.6	Q DEmdeg	1.8	Q pmRA	0.7
Q pmDE	1.8	BTmag	12.021	E BTmag	0.114	VTmag	12.124
E VTmag	0.188	Prox	9	TYC		HIP
CCDM		RAdeg	303.96170306	DEdeg	40.39787361	EpRA 1990	1.59
EpDE 1990	1.57	E RAdeg	92.4	E DEdeg	93.2	Posflg	D
Corr	-0.1