20449+3839 ALI 951

20^h 44^m 53.93^s +38° 38' 48.9" P.A. 49.00 sep 11.1 mag 9.79,12.90

Coord 2000	20449+3839	Discov num	ALI 951	Comp		Coord arcsec 2000	20 44 53.93 +38 38 48.9
Date first	1928	Date last	2015	Obs	8
Pa first	49	Pa last	49.1	P.A. Now (θ)	49.1°
Sep first	12.2	Sep last	11.126	Sep. Now (ρ)	11.126"
Mag pri	9.79	Mag sec	12.90	delta mag (ΔM)	3.11	Spectral class
Pri motion ra	-001	Sec motion ra	+002
Pri motion dec	+000	Sec motion dec	-003
Notes

rPM=1.177

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

3166-00608-1

Gaia DR2

2063436296286781440

WDS 20449+3839 ALI 951 : 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Ali9999	+Po	Unpublished, manuscript or reference not found.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
20449+3839	ALI 951		1998	2	49	11.3	9.79	12.90		D	204453.93+383848.9
20449+3839	ALI 951		2002	3	49	11.2	9.79	12.90		D	204453.93+383848.9
20449+3839	ALI 951		2015	4	49	11.1	9.79	12.90			204453.93+383848.9

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WDS 20449+3839 ALI 951 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20449+3839 ALI 951 : MEASURES

No records found.

WDS 20449+3839 : VIRTUAL EYEPIECE

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WDS 20449+3839 : ALADIN DSS IMAGE @ 20^h 44^m 53.93^s +38° 38' 48.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20449+3839 ALI 951 : 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		20449+3839	ALI 951		49	11.1
Show		20440+3839	COU2292		240	0.3	11
Show		20440+3838	TDT2506		23	2.9	11
Show		20450+3827	ALI 947		69	6.9	12
Show		20453+3854	SEI1239		40	26.8	17
Show		20436+3834	BRT2232		269	5.8	17
Show		20459+3852	COU2294		125	0.9	18
Show		20461+3824	ALI 949		313	11.9	20
Show		20433+3847	GRV 371		180	65.5	21
Show		20461+3858	CRB 11		272	10.8	25
Show		20430+3850	ES 2053		223	4.5	25
Show		20470+3828	ES 2054		192	2.7	27
Show		20471+3850	HJ 1575		51	14.9	28
Show		20449+3908	SEI1236		318	27.4	29
Show		20476+3839	SEI1249		69	27.8	32
Show		20478+3840	SEI1251		42	15.2	34
Show		20420+3827	AG 263		70	1.6	36
Show		20457+3917	SEI1241		309	7.1	39
Show		20470+3806	TDT2534		138	0.6	42
Show		20435+3919	SEI1229		156	19.6	43
Show		20445+3921	HJ 1572		280	15.6	43
Show		20476+3812	SEI1250		18	17.3	43
Show		20415+3818	TDT2473		169	0.6	46
Show		20441+3927	ES 1981		310	4.5	50
Show		20438+3928	SEI1230		124	25.3	51
Show		20410+3905	MCA 62	Aa,Ab	276	0.1	53
Show		20410+3905	HJ 612	AB	9	48.9	53
Show		20480+3917	A 1434	AB	178	0.0	53
Show		20480+3917	A 1434	AB,C	256	2.5	53
Show		20464+3747	SEI1244		149	22.5	56
Show		20432+3749	ES 2122	AB	71	5.4	56
Show		20432+3749	FYM 323	AC	142	20.4	56
Show		20402+3846	TDT2459		36	1.4	56
Show		20498+3833	HJ 1582	AB	45	17.4	58
Show		20498+3833	HJ 1582	AC	327	28.7	58
Show		20412+3801	ES 2512		327	6.9	59
Show		20419+3752	TDT2478		339	1.9	59
Show		20408+3802	ALI 672		167	12.4	61
Show		20400+3821	KPP 5		337	3.1	61
Show		20447+3739	SEI1232		240	28.9	61
Show		20498+3900	MLB 983		191	3.8	62
Show		20489+3919	TDT2558		191	1.1	62
Show		20488+3754	TDT2557		237	0.7	65
Show		20490+3925	TDT2560		38	1.1	67
Show		20434+3943	TDT2497		317	0.5	67
Show		20404+3758	SEI1212	AB	195	18.9	67
Show		20404+3758	FYM 327	AC	30	14.0	67
Show		20396+3908	SEI1210		303	12.0	68
Show		20493+3923	SEI1263	AB	98	23.6	69
Show		20493+3923	ALI 952	BC	50	4.9	69
Show		20493+3923	DAM 26	BD	53	9.5	69

WDS 20449+3839 : COMPONENTS

	A
B	pa=42.0° sep=9.81"

20449+3839 A

Componente originario normalizzato	AB		Coord arcsec 2000	204453.93+383848.9		Mag	9.79		PmRA	-1.00
PmDE	0.0		Tycho2	3166-00608-1

Tycho2

Tycho2	3166-00608-1	Pflag		RAmdeg	311.22468597	DEmdeg	38.64694365
PmRA	1.3	PmDE	-1.6	E RAmdeg	14	E DEmdeg	12
E pmRA	1.7	E pmDE	1.6	EpRAm	1990.60	EpDEm	1990.47
Num	5	Q RAmdeg	1.6	Q DEmdeg	0.6	Q pmRA	1.6
Q pmDE	0.6	BTmag	10.044	E BTmag	0.024	VTmag	9.787
E VTmag	0.023	Prox	652	TYC	T	HIP
CCDM		RAdeg	311.22468056	DEdeg	38.64694639	EpRA 1990	1.58
EpDE 1990	1.68	E RAdeg	14.2	E DEdeg	13.3	Posflg
Corr	0.1

20449+3839 B

Componente originario normalizzato	AB		Coord arcsec 2000	204454.49+383856.2		Mag	12.9		PmRA	2.00
PmDE	-3.0		Calc delta mag	3.11		Calc coord	yes