20185+4123 TDT 2154 (HD 228844)

20^h 18^m 28.50^s +41° 23' 00.5" P.A. 311.00 sep 0.5 mag 11.20,11.40 Sp G5

Coord 2000	20185+4123	Discov num	TDT2154	Comp		Coord arcsec 2000	20 18 28.50 +41 23 00.5
Date first	1991	Date last	1991	Obs	1
Pa first	311	Pa last	311	P.A. Now (θ)	311°
Sep first	0.5	Sep last	0.47	Sep. Now (ρ)	0.47"
Mag pri	11.20	Mag sec	11.40	delta mag (ΔM)	0.2	Spectral class	G5 (yellow)
Pri motion ra	+011	Sec motion ra	+011
Pri motion dec	+004	Sec motion dec	+004
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 228844		Constellation	Cygnus		Tycho2	3159-00008-1		Gaia DR2	2068570534546859392
HD	228844

WDS 20185+4123 TDT 2154 (HD 228844) : NOTES

No records found.

REFERENCES

No records found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20185+4123	TDT2154		1991	1	311	0.5	11.20	11.40			201828.50+412300.5

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WDS 20185+4123 TDT 2154 (HD 228844) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20185+4123 TDT 2154 (HD 228844) : MEASURES

No records found.

WDS 20185+4123 (HD 228844) : VIRTUAL EYEPIECE

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WDS 20185+4123 (HD 228844) : ALADIN DSS IMAGE @ 20^h 18^m 28.50^s +41° 23' 00.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20185+4123 TDT 2154 (HD 228844) : 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		20185+4123	TDT2154		311	0.5
Show		20181+4122	ES 1674		125	4.9	5
Show		20187+4113	COU2640		265	0.5	10
Show		20186+4136	ES 1675		324	2.2	13
Show		20171+4127	ARN 97		220	12.8	17
Show		20197+4108	STTA205		321	45.5	21
Show		20205+4122	LI 5	AB	145	8.8	23
Show		20205+4122	FAB 15	AC	203	19.5	23
Show		20205+4127	LI 4		333	8.9	23
Show		20212+4128	A 287		132	1.5	31
Show		20197+4151	MMA 3		105	11.0	32
Show		20215+4127	TDT2203		225	0.7	34
Show		20151+4118	A 387	AB	151	5.1	38
Show		20151+4118	A 387	AC	222	21.6	38
Show		20151+4118	A 387	CD	19	9.0	39
Show		20181+4044	CHR 96	Aa,Ab	151	0.1	40
Show		20181+4044	STF2666	AB	245	2.8	40
Show		20181+4044	STF2666	AC	207	34.0	40
Show		20181+4044	TAR 5	AD	181	49.6	40
Show		20168+4158	ES 1568	AB	292	12.8	40
Show		20168+4158	ES 1568	BC	187	2.3	40
Show		20181+4044	STF2666	CD	142	24.1	40
Show		20213+4155	TDT2201		359	0.6	45
Show		20144+4112	TDT2112		64	0.6	47
Show		20143+4115	COU2639		244	0.4	48
Show		20184+4033	ARN 49		313	30.2	51
Show		20210+4041	TDT2199		122	0.8	52
Show		20177+4030	HDS2897		273	0.3	54
Show		20221+4042	ES 1676		285	2.4	58
Show		20144+4048	TDT2113		181	0.5	59
Show		20207+4031	TDT2193		288	1.2	59
Show		20138+4055	TDT2106		358	0.5	60
Show		20232+4052	CIA 46		14	0.0	62
Show		20137+4050	DOO 13		258	3.0	63
Show		20155+4030	A 390		328	0.8	63
Show		20231+4048	GRF 15		139	199.3	64
Show		20144+4206	STT 403	AB	170	0.9	64
Show		20144+4206	STF2657	AC	32	11.6	64
Show		20169+4022	BU 661	AB	69	12.3	64
Show		20169+4022	BU 661	AC	217	111.7	64
Show		20231+4047	J 787	AB	165	2.6	64
Show		20231+4047	J 787	AC	112	9.5	64
Show		20231+4047	J 787	AD	293	15.8	64
Show		20148+4035	TDT2118		312	0.4	64
Show		20231+4047	J 787	CD	292	25.3	64
Show		20238+4146	COU2641		279	1.0	65
Show		20176+4020	BRT2259		29	1.4	65
Show		20189+4227	HJ 1503		73	16.9	65
Show		20232+4046	ES 1677		270	7.4	65
Show		20204+4021	TDT2186		349	0.5	66
Show		20158+4024	TDS1055		163	0.9	67

WDS 20185+4123 : COMPONENTS

	A
B	pa=319.2° sep=0.41"

20185+4123 A

Componente originario normalizzato	AB	Name	HD 228844	Coord arcsec 2000	201828.50+412300.5	Mag	11.2
Spectral class	G5 (yellow)	PmRA	11.00	PmDE	4.0	Tycho2	3159-00008-1
HD	228844

Tycho2

Tycho2	3159-00008-1	Pflag		RAmdeg	304.61869035	DEmdeg	41.38349494
PmRA	10.8	PmDE	4.3	E RAmdeg	28	E DEmdeg	22
E pmRA	1.2	E pmDE	1.2	EpRAm	1985.22	EpDEm	1986.39
Num	5	Q RAmdeg	1.2	Q DEmdeg	1.3	Q pmRA	1.2
Q pmDE	1.3	BTmag	11.084	E BTmag	0.046	VTmag	10.625
E VTmag	0.043	Prox	999	TYC	T	HIP
CCDM		RAdeg	304.61865306	DEdeg	41.38348389	EpRA 1990	1.55
EpDE 1990	1.75	E RAdeg	30.5	E DEdeg	26.1	Posflg
Corr	0.1

20185+4123 B

Componente originario normalizzato	AB		Coord arcsec 2000	201828.48+412300.8		Mag	11.4		PmRA	11.00
PmDE	4.0		Calc delta mag	0.2		Calc coord	yes