20052+3857 BU 1480 (HD 227557)

20^h 05^m 09.84^s +38° 57' 06.1" P.A. 328.00 sep 8.2 mag 9.22,11.40 Sp A3

Coord 2000	20052+3857	Discov num	BU 1480	Comp		Coord arcsec 2000	20 05 09.84 +38 57 06.1
Date first	1896	Date last	2015	Obs	13
Pa first	332	Pa last	327.5	P.A. Now (θ)	327.5°
Sep first	9.1	Sep last	8.21	Sep. Now (ρ)	8.21"
Mag pri	9.22	Mag sec	11.40	delta mag (ΔM)	2.18	Spectral class	A3 (white)
Pri motion ra	+011	Sec motion ra	+000
Pri motion dec	+001	Sec motion dec	-003
Notes	N (See Notes)

rPM=1.06

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 227557		Constellation	Cygnus		SAO	69379		Tycho2	3150-01107-1
Gaia DR2	2061908078225335808		HD	227557

WDS 20052+3857 BU 1480 (HD 227557) : NOTES

discov_num	notes	refcode
BU 1480	SEI 845.	Nsn2017d

REFERENCES

refcode	metd	author	reference
Nsn2017d	not -	Nanson, J.	...................
Nsn2017d		private communication, 2017

DISCOVERER

idgroup	discov	author
1	BU	Burnham, S.W. (BU 1 - 81)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20052+3857	BU 1480		2000	6	328	8.2	9.22	11.40	A3	D	200509.84+385706.1
20052+3857	BU 1480		2002	7	328	8.3	9.22	11.40	A3	D	200509.84+385706.1
20052+3857	BU 1480		2010	8	328	8.1	9.22	11.40	A3		200509.84+385706.1
20052+3857	BU 1480		2015	9	327	8.2	9.22	11.40	A3	N	200509.84+385706.1

If you need more information about this double, apply for a data request form to the WDS.

WDS 20052+3857 BU 1480 (HD 227557) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20052+3857 BU 1480 (HD 227557) : MEASURES

No records found.

WDS 20052+3857 (HD 227557) : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 20052+3857 (HD 227557) : ALADIN DSS IMAGE @ 20^h 05^m 09.84^s +38° 57' 06.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20052+3857 BU 1480 (HD 227557) : 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		20052+3857	BU 1480		328	8.2
Show		20057+3905	J 1072		252	4.1	11
Show		20042+3851	ALI 915		198	14.9	13
Show		20040+3847	ALI 914	AB	230	14.8	17
Show		20035+3837	COU2533		102	1.0	20
Show		20048+3837	SEI 843		132	13.3	21
Show		20066+3836	BRT2229		156	3.4	27
Show		20052+3829	BU 1481	AB	240	42.7	29
Show		20052+3829	WAL 126	AC	212	70.4	29
Show		20052+3829	LLO 21	AD	212	4.9	29
Show		20052+3829	LLO 21	AE	169	9.1	29
Show		20035+3924	SEI 828	AB	85	19.8	34
Show		20035+3924	SEI 829	AC	262	22.7	34
Show		20076+3837	A 1416		42	4.7	35
Show		20060+3821	POP 185	AB	125	43.5	35
Show		20060+3821	POP 185	AC	185	64.9	35
Show		20060+3821	POP 185	AD	62	128.5	35
Show		20060+3821	POP 185	AE	101	120.0	35
Show		20060+3821	POP 185	AG	293	19.1	35
Show		20060+3821	POP 185	EF	258	3.0	36
Show		20022+3849	ES 2044		19	7.4	36
Show		20044+3820	TOR 20		158	17.3	39
Show		20039+3822	SEI 835		10	25.6	39
Show		20056+3935	COU2535		135	2.0	39
Show		20020+3840	A 1411	AB	204	1.3	41
Show		20020+3840	A 1411	AC	208	10.2	41
Show		20020+3840	A 1411	AD	116	22.7	41
Show		20037+3820	HJ 1470		340	29.3	42
Show		20051+3814	COU2213		174	2.5	43
Show		20027+3928	SKF1765	AB	224	55.1	43
Show		20038+3937	ALI1132		229	7.8	44
Show		20041+3815	TOR 18		116	13.2	45
Show		20082+3831	ALI 920		149	14.0	45
Show		20089+3905	MLB 770		284	6.1	45
Show		20081+3926	ES 1972		146	4.4	46
Show		20074+3819	POP 187		90	5.3	46
Show		20088+3915	MLB 769		131	4.9	47
Show		20069+3938	ES 1971		291	3.3	47
Show		20091+3907	MLB 771		17	3.7	47
Show		20034+3815	A 1412		228	0.8	48
Show		20022+3822	TDT1927		243	0.8	50
Show		20082+3823	DAM 194		77	3.1	50
Show		20011+3913	SEI 791		59	5.6	51
Show		20044+3947	ALI1133		346	13.1	51
Show		20025+3940	BRT2251		155	4.3	53
Show		20085+3936	MLB 768		111	5.1	55
Show		20033+3807	SEI 825		155	7.2	56
Show		20093+3926	TDT2028		187	1.5	57
Show		20079+3949	STJ 83		307	0.9	61
Show		20084+3808	HJ 606		229	44.0	62
Show		20041+3957	COU2534		7	0.2	62

WDS 20052+3857 : COMPONENTS

	A
B	pa=333.6° sep=7.73"

20052+3857 A

Componente originario normalizzato	AB	Name	HD 227557	Coord arcsec 2000	200509.84+385706.1	Mag	9.22
Spectral class	A3 (white)	PmRA	11.00	PmDE	1.0	SAO	69379
Tycho2	3150-01107-1	HD	227557	DM	BD+38 3898

Tycho2

Tycho2	3150-01107-1	Pflag		RAmdeg	301.29100044	DEmdeg	38.95169349
PmRA	7.2	PmDE	3.7	E RAmdeg	10	E DEmdeg	9
E pmRA	1.2	E pmDE	1.2	EpRAm	1990.64	EpDEm	1990.92
Num	8	Q RAmdeg	0.7	Q DEmdeg	0.4	Q pmRA	0.7
Q pmDE	0.5	BTmag	9.453	E BTmag	0.019	VTmag	9.217
E VTmag	0.017	Prox	999	TYC	T	HIP
CCDM		RAdeg	301.29097861	DEdeg	38.95168500	EpRA 1990	1.58
EpDE 1990	1.69	E RAdeg	10.0	E DEdeg	9.4	Posflg
Corr	0.1

SAO

SAO	69379	DelFlag		RA1950		PmRA1950	0.0007
DE1950		PmDE1950	-0.009	Vmag	9	SpType	A3
Double code		Source	5	CatNum	1957	DM	BD+38 3898
DMcomp		BDsup		HD	227557	M HD	0
GC		RA1950rad	5.25068919	DE1950rad	0.67732641	PmRA2000	0.001
PmDE2000	-0.011

CCDM

Ccdm	20052+3857	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-2.17	DDEs	5.2
R dRAs	11	Year		Theta		Rho
Obs	2	Vmag	9.3	Sp	A3	PmNote
PmRA	23	PmDE	-20	Dm number	+38 3898	Cat1	BD
Name2	+38 1957	Cat2	AGK2/3	HD	227557	M HD
ADS BDS	A13351	M ADS BDS		N IDS		IDS	20016N3840A
HIC

20052+3857 B

Componente originario normalizzato	AB		Coord arcsec 2000	200509.55+385713.0		Mag	11.4		PmRA	0.00
PmDE	-3.0		Calc delta mag	2.18		Calc coord	yes

CCDM

Ccdm	20052+3857	RComp		Comp	B	Note1
Note2		Discov num	BU	DRAs		DDEs
R dRAs		Year	1895	Theta	335	Rho	8.4
Obs	5	Vmag	11.5	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A13351	M ADS BDS		N IDS		IDS	20016N3840B
HIC