21044+4626 DAL 49

21^h 04^m 23.49^s +46° 25' 35.5" P.A. 147.00 sep 12.1 mag 11.66,11.55

Coord 2000	21044+4626	Discov num	DAL 49	Comp		Coord arcsec 2000	21 04 23.49 +46 25 35.5
Date first	1999	Date last	2016	Obs	10
Pa first	148	Pa last	146.9	P.A. Now (θ)	146.9°
Sep first	12.1	Sep last	12.135	Sep. Now (ρ)	12.135"
Mag pri	11.66	Mag sec	11.55	delta mag (ΔM)	0.11	Spectral class
Pri motion ra	-004	Sec motion ra	-005
Pri motion dec	-004	Sec motion dec	-005
Notes

rPM=0.2 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Gaia DR2

2163598816292311424

WDS 21044+4626 DAL 49 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Dal1998	Ma -	Daley, J.A.	1998DSO.....4....4D
Dal1998		Double Star Observer 4, #4, 1998
Dal2000	Ma u	Daley, J.A.	2000DSO.....6....1D
Dal2000		Double Star Observer 6, #1, 2000
Dal2001a	Mb -	Daley, J.A.	2001DSO.....7....1D
Dal2001a		Double Star Observer 7, #1, 2001
Dal2001b	Ma u	Daley, J.A.	2001DSO.....7....3D
Dal2001b		Double Star Observer 7, #3, 2001
Dal2002a	Ma u	Daley, J.A.	2002DSO.....8....1D
Dal2002a	+C	Double Star Observer 8, #1, 2002
Dal2002b	C u	Daley, J.A.	.
Dal2002b		Pub. Ludwig Schupmann Obs, #1, 2002
Dal2002c	-	Daley, J.A.	2002DSO.....8....4D
Dal2002c		Double Star Observer 8, #4, 2002
Dal2002d	Mb u	Daley, J.A.	2002DSO.....8....6D
Dal2002d		Double Star Observer 8, #6, 2002
Dal2003a	C u	Daley, J.A.	.
Dal2003a		Pub. Ludwig Schupmann Obs, #2, 2003
Dal2004a	C u	Daley, J.A.	.
Dal2004a		Pub. Ludwig Schupmann Obs, #3, 2004
Dal2005a	C u	Daley, J.A.	2005JDSO....1...74D
Dal2005a		Pub. Ludwig Schupmann Obs, #4, 2005 (also JDSO 1, 74, 2005)
Dal2006a	C u	Daley, J.A.	2006JDSO....2...44D
Dal2006a		JDSO 2, 44, 2006
Dal2006b	-	Daley, J.A.	2006JDSO....2...51D
Dal2006b		JDSO 2, 51, 2006
Dal2007	C u	Daley, J.	2007JDSO....3...68D
Dal2007		JDSO 3, 68, 2007
Dal2008	C u	Daley, J.	2008JDSO....4...34D
Dal2008		JDSO 4, 34, 2008
Dal2008b	C -	Daley, J.	...................
Dal2008b		private communication, 2008
Dal2008c	C u	Daley, J.	2008JDSO....4..175D
Dal2008c		JDSO 4, 175, 2008
Dal2009	C u	Daley, J.	2009JDSO....5..149D
Dal2009		JDSO 5, 149, 2009
Dal2011	C u	Daley, J.	2011JDSO....7..104D
Dal2011		JDSO 7, 104, 2011
Dal2012	C u	Daley, J.	2012JDSO....8..303D
Dal2012		JDSO 8, 303, 2012
Dal2014	C u	Daley, J.	2014JDSO...10..136D
Dal2014		JDSO 10, 136, 2014
Dal2014b	-	Daley, J.	...................
Dal2014b		private communication, 2014
Dal2016	C -	Daley, J.	...................
Dal2016		private communication, 2016
Dal2016b	C u	Daley, J.	2016JDSO...12..468D
Dal2016b		JDSO 12, 468, 2016
Dal2018	C u	Daley, J.	2018JDSO...14..543D
Dal2018		private communication, 2017
Dal2018		JDSO 14, 543, 2018

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21044+4626	DAL 49		2003	4	147	12.1	11.66	11.55		N	210423.49+462535.5
21044+4626	DAL 49		2016	5	148	12.1	11.66	11.55			210423.49+462535.5

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

WDS 21044+4626 DAL 49 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21044+4626 DAL 49 : MEASURES

No records found.

WDS 21044+4626 : VIRTUAL EYEPIECE

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

WDS 21044+4626 : ALADIN DSS IMAGE @ 21^h 04^m 23.49^s +46° 25' 35.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21044+4626 DAL 49 : 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		21044+4626	DAL 49		147	12.1
Show		21046+4627	BRT1140		207	4.6	3
Show		21044+4631	HDS3001		94	18.4	6
Show		21037+4616	TDT2719		220	2.0	12
Show		21051+4615	BRT1141		108	5.8	13
Show		21032+4631	TDT2714		22	0.5	14
Show		21067+4631	SMA 125	AB	87	22.2	25
Show		21067+4631	SMA 125	AC	198	15.0	25
Show		21037+4652	YSC 14		182	0.1	28
Show		21022+4641	ES 1167	AB	226	5.2	28
Show		21022+4641	ES 1167	AC	73	18.8	28
Show		21012+4609	STT 426	AB	159	2.9	38
Show		21012+4609	CIA 21	Aa,Ab	30	0.0	38
Show		21028+4551	KUI 104	CD	85	2.7	38
Show		21028+4551	FYM 331	CF	39	11.9	38
Show		21028+4551	BU 1138	CE	249	23.6	38
Show		21028+4551	HLA 30	CG	148	7.3	38
Show		21008+4635	BU 156		235	0.9	38
Show		21028+4551	BU 1138	AB	172	0.1	39
Show		21028+4551	BU 1138	AC	330	152.1	39
Show		21083+4630	BRT1143		212	2.7	41
Show		21070+4704	BRT1142		220	4.6	47
Show		21046+4541	ES 1168		118	1.4	47
Show		21068+4708	ES 1169		89	4.8	50
Show		21091+4635	TDT2785		68	2.6	50
Show		21088+4646	SMA 127		130	17.3	51
Show		21062+4535	LDS2487		271	5.2	53
Show		21067+4538	TDT2754		233	0.5	54
Show		21098+4624	SMA 128		170	12.3	56
Show		21100+4640	SMA 130		147	8.7	61
Show		20597+4658	ES 1166		114	1.6	61
Show		20585+4626	TDT2667		17	1.1	61
Show		21077+4718	A 759		24	4.1	63
Show		21102+4645	SKF2396		53	13.3	64
Show		21099+4651	SMA 129		264	14.1	64
Show		21102+4603	SMA 131		86	8.6	65
Show		21010+4528	ES 1271		26	3.1	68
Show		21090+4716	ES 512	AB	1	13.4	70
Show		21016+4730	HDS2997		232	1.9	71
Show		21009+4730	BU 1290	AB	35	9.3	74
Show		21009+4730	BU 1290	AC	266	3.5	74
Show		21009+4730	BU 1290	BD	22	2.5	74
Show		21109+4658	GIC 166	AB	150	29.3	75
Show		21109+4658	JNN 290	BC	36	2.4	75
Show		21109+4658	JNN 290	BD	189	3.4	75
Show		20571+4632	TDT2653		301	2.3	76
Show		20599+4525	HEI 15		321	0.9	76
Show		21066+4739	ES 32		159	15.7	77
Show		21105+4713	TDT2803		183	0.6	79
Show		21075+4515	HJ 1615		277	14.4	79
Show		21011+4738	RAO 446		338	1.7	80

WDS 21044+4626 : COMPONENTS

	A
B	pa=155.8° sep=11.14"

21044+4626 A

Componente originario normalizzato	AB		Coord arcsec 2000	210423.49+462535.5		Mag	11.66		PmRA	-4.00
PmDE	-4.0

21044+4626 B

Componente originario normalizzato	AB		Coord arcsec 2000	210423.93+462525.3		Mag	11.55		PmRA	-5.00
PmDE	-5.0		Calc delta mag	0.11		Calc coord	yes