20173+3837 TDT 2141 (HD 228762)

20^h 17^m 20.76^s +38° 37' 20.1" P.A. 96.00 sep 1.3 mag 11.27,11.31 Sp B8

Coord 2000	20173+3837	Discov num	TDT2141	Comp		Coord arcsec 2000	20 17 20.76 +38 37 20.1
Date first	1991	Date last	2015	Obs	4
Pa first	98	Pa last	96.2	P.A. Now (θ)	96.2°
Sep first	1.3	Sep last	1.298	Sep. Now (ρ)	1.298"
Mag pri	11.27	Mag sec	11.31	delta mag (ΔM)	0.04	Spectral class	B8 (blue-white)
Pri motion ra	-011	Sec motion ra	-011
Pri motion dec	-006	Sec motion dec	-006
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 228762		Constellation	Cygnus		Tycho2	3151-01565-1		Gaia DR2	2061322897496583296
HD	228762

WDS 20173+3837 TDT 2141 (HD 228762) : 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
20173+3837	TDT2141		1991	1	98	1.3	11.27	11.31			201720.76+383720.1
20173+3837	TDT2141		2000	2	99	1.2	11.27	11.31	B8		201720.76+383720.1
20173+3837	TDT2141		2015	3	96	1.3	11.27	11.31	B8		201720.76+383720.1

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WDS 20173+3837 TDT 2141 (HD 228762) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20173+3837 TDT 2141 (HD 228762) : MEASURES

No records found.

WDS 20173+3837 (HD 228762) : VIRTUAL EYEPIECE

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WDS 20173+3837 (HD 228762) : ALADIN DSS IMAGE @ 20^h 17^m 20.76^s +38° 37' 20.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20173+3837 TDT 2141 (HD 228762) : 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		20173+3837	TDT2141		96	1.3
Show		20176+3835	ALI 927		67	5.7	4
Show		20173+3834	MLB 951		321	4.9	4
Show		20177+3836	SEI1069		247	14.6	5
Show		20179+3845	SLE 990		274	8.9	10
Show		20161+3837	SEI1049		23	17.0	14
Show		20163+3829	SLE 981		260	11.3	15
Show		20183+3825	ES 2049		267	3.2	16
Show		20189+3839	SLE 996		106	6.6	18
Show		20183+3822	SLE 992		282	10.3	19
Show		20183+3820	CRB 10		39	5.0	21
Show		20161+3854	CHR 95		56	0.2	23
Show		20160+3856	ALI 926		282	8.6	25
Show		20194+3831	SLE1001		216	16.1	26
Show		20192+3822	ES 2504		110	7.7	27
Show		20150+3837	SLE 976		90	6.8	27
Show		20189+3817	A 1425	AB	266	0.2	28
Show		20189+3817	A 1425	AB,C	310	9.1	28
Show		20159+3859	BRT2230		297	6.0	28
Show		20190+3900	HO 125		196	3.5	30
Show		20192+3859	HO 126	AB	163	2.2	32
Show		20192+3859	HO 126	AC	247	37.0	32
Show		20176+3806	ES 2502		325	5.2	32
Show		20148+3827	A 1421		8	1.8	32
Show		20151+3820	SLE 977		279	7.3	32
Show		20198+3852	SLE1004		166	11.2	32
Show		20196+3820	A 1426		259	3.7	33
Show		20202+3840	SLE1006	AB	156	16.0	34
Show		20202+3840	SLE1006	AC	90	18.7	34
Show		20202+3838	ES 2052		144	2.5	34
Show		20149+3821	SLE 973		131	8.7	34
Show		20204+3840	SEI1088	AB	238	4.3	35
Show		20204+3840	SEI1089	AC	17	28.2	35
Show		20147+3820	SLE 972		114	11.1	36
Show		20182+3803	SLE 991		131	11.8	36
Show		20178+3802	RBR 25		107	11.4	36
Show		20188+3909	SEI1079		110	6.2	36
Show		20162+3805	SEI1050		313	3.9	36
Show		20143+3829	SLE 970		234	11.9	37
Show		20146+3855	ES 2047	BC	197	4.7	37
Show		20183+3802	SLE 993		70	16.4	37
Show		20146+3855	ES 2047	AB	174	33.2	37
Show		20146+3855	ES 2047	AD	103	10.6	37
Show		20146+3855	ES 2047	AE	106	27.6	37
Show		20177+3914	COU2536		312	1.8	38
Show		20144+3822	SEI1038		197	3.1	38
Show		20156+3910	SEI1046		249	1.5	39
Show		20149+3809	TDT2119		95	0.6	40
Show		20196+3808	SEI1084	AB	247	26.3	40
Show		20196+3808	TOB 185	AC	259	13.6	40
Show		20166+3759	ALI 663		58	12.0	41

WDS 20173+3837 : COMPONENTS

	A
B	pa=97.9° sep=1.02"

20173+3837 A

Componente originario normalizzato	AB	Name	HD 228762	Coord arcsec 2000	201720.76+383720.1	Mag	11.27
Spectral class	B8 (blue-white)	PmRA	-11.00	PmDE	-6.0	Tycho2	3151-01565-1
HD	228762

Tycho2

Tycho2	3151-01565-1	Pflag		RAmdeg	304.33657320	DEmdeg	38.62222812
PmRA	-10.7	PmDE	-5.8	E RAmdeg	37	E DEmdeg	36
E pmRA	1.7	E pmDE	1.7	EpRAm	1982.71	EpDEm	1982.85
Num	6	Q RAmdeg	2.1	Q DEmdeg	1.3	Q pmRA	2.1
Q pmDE	1.3	BTmag	11.366	E BTmag	0.068	VTmag	11.122
E VTmag	0.086	Prox	999	TYC	T	HIP
CCDM		RAdeg	304.33657083	DEdeg	38.62225028	EpRA 1990	1.52
EpDE 1990	1.69	E RAdeg	49.9	E DEdeg	48.1	Posflg
Corr	0.0

20173+3837 B

Componente originario normalizzato	AB		Coord arcsec 2000	201720.85+383720.0		Mag	11.31		PmRA	-11.00
PmDE	-6.0		Calc delta mag	0.04		Calc coord	yes