20408+3802 ALI 672

20^h 40^m 50.14^s +38° 02' 31.3" P.A. 167.00 sep 12.4 mag 11.59,12.30

Coord 2000	20408+3802	Discov num	ALI 672	Comp		Coord arcsec 2000	20 40 50.14 +38 02 31.3
Date first	1929	Date last	2015	Obs	12
Pa first	170	Pa last	167.2	P.A. Now (θ)	167.2°
Sep first	11.8	Sep last	12.356	Sep. Now (ρ)	12.356"
Mag pri	11.59	Mag sec	12.30	delta mag (ΔM)	0.71	Spectral class
Pri motion ra	+000	Sec motion ra	+004
Pri motion dec	-002	Sec motion dec	-006
Notes

rPM=0.784

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

3166-01192-1

Gaia DR2

2063307756504159872

WDS 20408+3802 ALI 672 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Ali1949	Pa -	Ali, A.	1949AJ.....54..199A
Ali1949		AJ 54, 199, 1949
Ali1950	Pa -	Ali, A.	1950AJ.....55..209A
Ali1950		AJ 55, 208, 1950
Ali1952	Pa -	Ali, A.	1952AJ.....57..146A
Ali1952		AJ 57, 146, 1952
Ali1955	Pa -	Ali, A.	.
Ali1955		Pub. Nizamiah Obs. 13, Pt. 2, 1955
Ali9999	Pa -	Ali, A.	...................
Ali9999	+Po	Unpublished, manuscript or reference not found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20408+3802	ALI 672		1998	4	168	12.4	11.59	12.30		D	204050.14+380231.3
20408+3802	ALI 672		2008	5	168	12.4	11.59	12.30		D	204050.14+380231.3
20408+3802	ALI 672		2010	7	167	12.3	11.59	12.30			204050.14+380231.3
20408+3802	ALI 672		2015	8	167	12.3	11.59	12.30			204050.14+380231.3

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WDS 20408+3802 ALI 672 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20408+3802 ALI 672 : MEASURES

No records found.

WDS 20408+3802 : VIRTUAL EYEPIECE

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WDS 20408+3802 : ALADIN DSS IMAGE @ 20^h 40^m 50.14^s +38° 02' 31.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20408+3802 ALI 672 : 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		20408+3802	ALI 672		167	12.4
Show		20412+3801	ES 2512		327	6.9	4
Show		20404+3758	SEI1212	AB	195	18.9	7
Show		20404+3758	FYM 327	AC	30	14.0	7
Show		20419+3752	TDT2478		339	1.9	17
Show		20415+3818	TDT2473		169	0.6	18
Show		20390+3804	SEI1204		291	7.8	21
Show		20391+3759	SEI1208		11	7.5	21
Show		20400+3821	KPP 5		337	3.1	21
Show		20432+3749	ES 2122	AB	71	5.4	28
Show		20432+3749	FYM 323	AC	142	20.4	28
Show		20420+3827	AG 263		70	1.6	29
Show		20384+3811	TDT2444	Aa,Ab	319	1.0	31
Show		20383+3814	SEI1202		89	14.1	33
Show		20380+3806	SEI1197		173	14.3	35
Show		20382+3742	SEI1201		350	22.8	37
Show		20380+3741	TOB 193	AB	231	28.1	40
Show		20380+3741	TOB 193	AC	267	31.4	40
Show		20422+3726	SEI1223		142	10.3	41
Show		20378+3824	SEI1195		219	9.1	43
Show		20387+3838	STF2708	AB	323	57.9	44
Show		20387+3838	STF2708	AC	336	40.6	44
Show		20387+3838	STF2708	AD	231	115.6	44
Show		20402+3846	TDT2459		36	1.4	45
Show		20436+3834	BRT2232		269	5.8	45
Show		20373+3822	SEI1194		113	25.1	46
Show		20437+3727	COU2291		228	1.0	49
Show		20391+3717	SEI1207		121	27.0	51
Show		20379+3725	SEI1196		336	17.7	52
Show		20440+3838	TDT2506		23	2.9	52
Show		20440+3839	COU2292		240	0.3	53
Show		20447+3739	SEI1232		240	28.9	53
Show		20419+3711	SEI1220		161	13.0	53
Show		20430+3850	ES 2053		223	4.5	53
Show		20433+3847	GRV 371		180	65.5	55
Show		20396+3710	ES 2194		289	7.2	55
Show		20366+3825	HJ 1548		249	14.0	56
Show		20450+3827	ALI 947		69	6.9	56
Show		20362+3812	ES 2511		251	7.2	57
Show		20371+3837	SEI1193		353	17.1	57
Show		20374+3721	TOB 192		106	32.0	59
Show		20449+3839	ALI 951		49	11.1	61
Show		20362+3737	SEI1187	BC	273	22.7	61
Show		20362+3737	TOB 191	BD	134	37.6	61
Show		20399+3703	ES 248	AB	3	4.3	61
Show		20399+3703	ES 248	AC	66	10.6	61
Show		20362+3737	SEI1188	AB	77	15.4	61
Show		20410+3905	MCA 62	Aa,Ab	276	0.1	63
Show		20410+3905	HJ 612	AB	9	48.9	63
Show		20357+3747	TOB 190		68	17.8	63
Show		20354+3810	RAO 439		235	0.7	64

WDS 20408+3802 : COMPONENTS

	A
B	pa=169.9° sep=12.24"

20408+3802 A

Componente originario normalizzato	AB		Coord arcsec 2000	204050.14+380231.3		Mag	11.59		PmRA	0.00
PmDE	-2.0		Tycho2	3166-01192-1

Tycho2

Tycho2	3166-01192-1	Pflag		RAmdeg	310.20892383	DEmdeg	38.04203229
PmRA	-2.8	PmDE	-3.4	E RAmdeg	65	E DEmdeg	58
E pmRA	2.5	E pmDE	2.3	EpRAm	1981.33	EpDEm	1982.58
Num	4	Q RAmdeg	0.3	Q DEmdeg	0.8	Q pmRA	0.3
Q pmDE	0.9	BTmag	12.234	E BTmag	0.139	VTmag	11.591
E VTmag	0.110	Prox	124	TYC		HIP
CCDM		RAdeg	310.20893278	DEdeg	38.04203861	EpRA 1990	1.55
EpDE 1990	1.74	E RAdeg	69.7	E DEdeg	61.8	Posflg
Corr	0.0

CCDM

Ccdm	20408+3802	RComp		Comp	A	Note1
Note2		Discov num		DRAs	2.18	DDEs	30.8
R dRAs	65	Year		Theta		Rho
Obs	2	Vmag	12.0	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	20370N3741A
HIC

20408+3802 B

Componente originario normalizzato	AB		Coord arcsec 2000	204050.32+380219.3		Mag	12.3		PmRA	4.00
PmDE	-6.0		Tycho2	3166-01523-1		Calc delta mag	0.71		Calc coord	yes

Tycho2

Tycho2	3166-01523-1	Pflag		RAmdeg	310.20997889	DEmdeg	38.03864050
PmRA	7.6	PmDE	-16.6	E RAmdeg	99	E DEmdeg	87
E pmRA	4.7	E pmDE	4.1	EpRAm	1982.76	EpDEm	1983.16
Num	3	Q RAmdeg	0.2	Q DEmdeg	1.2	Q pmRA	0.2
Q pmDE	1.2	BTmag	13.281	E BTmag	0.301	VTmag	12.301
E VTmag	0.188	Prox	124	TYC		HIP
CCDM		RAdeg	310.20995611	DEdeg	38.03867833	EpRA 1990	1.56
EpDE 1990	1.75	E RAdeg	107.2	E DEdeg	93.9	Posflg
Corr	0.0

CCDM

Ccdm	20408+3802	RComp		Comp	B	Note1
Note2		Discov num	ALI 672	DRAs	2.39	DDEs	19.2
R dRAs	65	Year	1929	Theta	169	Rho	11.8
Obs	2	Vmag	12.3	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	20370N3741B
HIC