19444+5107 ARN 108 (HD 234989)

19^h 44^m 24.99^s +51° 07' 28.0" P.A. 283.00 sep 41.8 mag 9.19,9.61 Sp F8

Coord 2000	19444+5107	Discov num	ARN 108	Comp		Coord arcsec 2000	19 44 24.99 +51 07 28.0
Date first	1899	Date last	2015	Obs	17
Pa first	285	Pa last	282.8	P.A. Now (θ)	282.8°
Sep first	41.8	Sep last	41.842	Sep. Now (ρ)	41.842"
Mag pri	9.19	Mag sec	9.61	delta mag (ΔM)	0.42	Spectral class	F8 (yellow-white)
Pri motion ra	-001	Sec motion ra	-001
Pri motion dec	+015	Sec motion dec	+015
Notes	V (Proper motion indicates physical)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 234989		Constellation	Cygnus		SAO	31944		Tycho2	3569-00235-1
Gaia DR2	2135405345272279424		HD	234989		DM	BD+50 2866

WDS 19444+5107 ARN 108 (HD 234989) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Arn2001	Mg j	Arnold, D.	2001DSO.....7....4A
Arn2001		Double Star Observer 7, #4, 2001
Arn2002a	Mg j	Arnold, D.	2002DSO.....8....1A
Arn2002a		Double Star Observer 8, #1, 2002
Arn2002b	Mg -	Arnold, D.	2002DSO.....8....3A
Arn2002b		Double Star Observer 8, #3, 2002
Arn2002c	Mg j	Arnold, D.	2002DSO.....8....4A
Arn2002c		Double Star Observer 8, #4, 2002
Arn2002d	Mg j	Arnold, D.	2002DSO.....8....5A
Arn2002d		Double Star Observer 8, #5, 2002
Arn2003a	Mg j	Arnold, D.	2003DSO.....9....1A
Arn2003a		Double Star Observer 9, #1, 2003
Arn2003b	Mg j	Arnold, D.	2003DSO.....9....3A
Arn2003b		Double Star Observer 9, #3, 2003
Arn2003c	Mg j	Arnold, D.	2003DSO.....9....4A
Arn2003c		Double Star Observer 9, #4, 2003
Arn2003d	Mg j	Arnold, D.	2003DSO.....9....5A
Arn2003d		Double Star Observer 9, #5, 2003
Arn2003e	Mg j	Arnold, D.	2003DSO.....9....6A
Arn2003e		Double Star Observer 9, #6, 2003
Arn2004a	Mg j	Arnold, D.	2004DSO....10....1A
Arn2004a		Double Star Observer 10, #1, 2004
Arn2004b	Mg j	Arnold, D.	2004DSO....10....2A
Arn2004b		Double Star Observer 10, #2, 2004
Arn2004c	Mg j	Arnold, D.	2004DSO....10....3A
Arn2004c		Double Star Observer 10, #3, 2004
Arn2004d	Mg j	Arnold, D.	2004DSO....10....4A
Arn2004d		Double Star Observer 10, #4, 2004
Arn2004e	Mg j	Arnold, D.	2004DSO....10....5A
Arn2004e		Double Star Observer 10, #5, 2004
Arn2004f	Mg j	Arnold, D.	2004DSO....10....6A
Arn2004f		Double Star Observer 10, #6, 2004
Arn2005a	Mg j	Arnold, D.	2005DSO....11....1A
Arn2005a		Double Star Observer 11, #1, 2005
Arn2005b	Mg j	Arnold, D.	2005DSO....11....2A
Arn2005b		Double Star Observer 11, #2, 2005
Arn2005c	Mg j	Arnold, D.	2005DSO....11....3A
Arn2005c		Double Star Observer 11, #3, 2005
Arn2005d	Mg j	Arnold, D.	2005DSO....11....4A
Arn2005d		Double Star Observer 11, #4, 2005
Arn2005e	Mg j	Arnold, D.	2005DSO....11....5A
Arn2005e		Double Star Observer 11, #5, 2005
Arn2005f	Mg j	Arnold, D.	2005DSO....11....6A
Arn2005f		Double Star Observer 11, #6, 2005
Arn2006a	Mg j	Arnold, D.	2006JDSO....2....6A
Arn2006a	+C	JDSO 2, 6, 2006
Arn2006b	Mg j	Arnold, D.	2006JDSO....2...13A
Arn2006b		JDSO 2, 13, 2006
Arn2006c	Mg j	Arnold, D.	2006JDSO....2...54A
Arn2006c		JDSO 2, 54, 2006
Arn2006d	Mg j	Arnold, D.	2006JDSO....2...61A
Arn2006d		JDSO 2, 61, 2006
Arn2006e	Mg j	Arnold, D.	2006JDSO....2...79A
Arn2006e		JDSO 2, 79, 2006
Arn2006f	Mg j	Arnold, D.	2006JDSO....2...87A
Arn2006f		JDSO 2, 87, 2006
Arn2006g	Mg j	Arnold, D.	2006JDSO....2..163A
Arn2006g	+C	JDSO 2, 163, 2006
Arn2007a	Mg j	Arnold, D.	2007JDSO....3...27A
Arn2007a		JDSO 3, 27, 2007
Arn2007b	Mg j	Arnold, D.	2007JDSO....3...55A
Arn2007b		JDSO 3, 55, 2007
Arn2007c	Mg j	Arnold, D.	2007JDSO....3..119A
Arn2007c		JDSO 3, 119, 2007
Arn2007d	Mg j	Arnold, D.	2007JDSO....3..139A
Arn2007d		JDSO 3, 139, 2007
Arn2008a	Mg j	Arnold, D.	2008JDSO....4....2A
Arn2008a		JDSO 4, 2, 2008
Arn2008b	Mg j	Arnold, D.	2008JDSO....4...66A
Arn2008b		JDSO 4, 66, 2008
Arn2008c	Mg j	Arnold, D.	2008JDSO....4...91A
Arn2008c		JDSO 4, 91, 2008
Arn2008d	Mg j	Arnold, D.	2008JDSO....4..136A
Arn2008d		JDSO 4, 136, 2008
Arn2009a	Mg j	Arnold, D.	2009JDSO....5....2A
Arn2009a		JDSO 5, 2, 2009
Arn2009b	Mg j	Arnold, D.	2009JDSO....5...94A
Arn2009b		JDSO 5, 94, 2009
Arn2009c	Mg j	Arnold, D.	2009JDSO....5..129A
Arn2009c		JDSO 5, 129, 2009
Arn2009d	Mg j	Arnold, D.	2009JDSO....5..182A
Arn2009d		JDSO 5, 182, 2009
Arn2010a	Mg j	Arnold, D.	2010JDSO....6....5A
Arn2010a		JDSO 6, 5, 2010
Arn2010b	Mg j	Arnold, D.	2010JDSO....6..141A
Arn2010b		JDSO 6, 141, 2010
Arn2010c	Mg j	Arnold, D.	2010JDSO....6..170A
Arn2010c		JDSO 6, 170, 2010
Arn2010d	Mg j	Arnold, D.	2010JDSO....6..301A
Arn2010d		JDSO 6, 301, 2010
Arn2012a	Mg j	Arnold, D.	2012JDSO....8...32A
Arn2012a		JDSO 8, 32, 2012
Arn2012b	Mg -	Arnold, D.	2012JDSO....8..176A
Arn2012b		JDSO 8, 176, 2012
Arn2012c	Mg j	Arnold, D.	2012JDSO....8..226A
Arn2012c		JDSO 8, 226, 2012
Arn2013a	Mg j	Arnold, D.	2013JDSO....9...10A
Arn2013a		JDSO 9, 10, 2013
Arn2013b	M j	Arnold, D.	2013JDSO....9..100A
Arn2013b		JDSO 9, 100, 2013

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19444+5107	ARN 108		2009	1	283	42.0	9.10	9.60		V	194424.99+510728.0
19444+5107	ARN 108		2010	10	283	41.9	9.10	9.60		VD	194424.99+510728.0
19444+5107	ARN 108		2013	12	283	41.8	9.19	9.61	F8	V	194424.99+510728.0
19444+5107	ARN 108		2015	14	283	41.7	9.19	9.61	F8	V	194424.99+510728.0

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

WDS 19444+5107 ARN 108 (HD 234989) : VISUAL OBSERVATIONS REPORTS

Show	date	username	difficulty	separation	pa_estim	interest	notes
Show	21/09/19	daedalus1	mean difficulty	separated			Seeing: Pickering 8, Transparency: NELM 4.8, Measures: theta 282.5, rho 41".87

WDS 19444+5107 ARN 108 (HD 234989) : MEASURES

No records found.

WDS 19444+5107 (HD 234989) : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 19444+5107 (HD 234989) : ALADIN DSS IMAGE @ 19^h 44^m 24.99^s +51° 07' 28.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 19444+5107 ARN 108 (HD 234989) : NEIGHBORHOODS

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		19444+5107	ARN 108		283	41.8
Show		19451+5116	KOI5971		134	0.0	11
Show		19433+5116	HEI 906		265	3.1	14
Show		19441+5054	ARY 22		222	59.4	14
Show		19438+5121	TDT1679		264	3.2	15
Show		19441+5122	DEA 236		11	10.3	15
Show		19455+5119	KOI 790		97	2.7	16
Show		19450+5122	KOI7536		306	3.7	16
Show		19456+5121	KOI 439	AB	15	5.4	19
Show		19451+5124	KOI7539		348	3.0	19
Show		19463+5114	DEA 117		230	6.7	20
Show		19450+5047	KOI5959		189	2.8	22
Show		19466+5101	JKA 79		166	470.2	22
Show		19422+5112	KOI3122	AB	56	4.4	22
Show		19422+5112	KOI3122	AC	115	8.8	22
Show		19421+5112	KOI4895		77	2.2	23
Show		19455+5046	WFC 225		214	55.0	24
Show		19419+5101	KOI 279		247	0.9	25
Show		19468+5057	TDT1735		286	2.4	25
Show		19468+5051	ES 795	AB	330	4.2	27
Show		19468+5051	ES 795	AC	48	15.2	27
Show		19468+5051	ES 795	AD	53	26.0	27
Show		19450+5136	LEP 92		185	12.5	29
Show		19413+5108	KOI7527		98	2.8	30
Show		19424+5043	KOI 980		33	0.9	31
Show		19448+5032	WNC 7		193	95.1	37
Show		19461+5140	ARY 66		224	101.1	37
Show		19477+5046	DEA 371		113	17.5	38
Show		19474+5042	KOI2290		220	0.3	39
Show		19487+5118	HEI 907		177	1.5	42
Show		19418+5033	KOI4512		148	0.4	43
Show		19400+5055	DEA 208		113	9.5	44
Show		19418+5032	TRN 4	Aa,Ab	207	3.3	44
Show		19418+5032	STFA 46	AB	133	39.7	44
Show		19418+5032	PAT 48	BC	70	18.2	44
Show		19409+5034	KOI 623	AB	202	5.6	48
Show		19438+5016	DEA 352		91	15.7	52
Show		19471+5023	JKA 80		180	43.0	52
Show		19480+5029	DEA 157		334	7.5	52
Show		19459+5017	KOI7496		12	3.0	53
Show		19448+5014	KOI5943		132	2.9	54
Show		19412+5023	HDS2792		259	0.4	54
Show		19389+5049	DEA 392		310	19.3	55
Show		19478+5154	AG 239		238	16.2	57
Show		19480+5022	KOI 129		221	2.1	57
Show		19420+5201	ES 794	AB	255	45.6	58
Show		19420+5201	ES 794	BC	102	7.7	59
Show		19409+5019	KOI7501		15	1.2	60
Show		19507+5120	ES 796		19	6.1	60
Show		19448+5007	JKA 76		19	485.2	61
Show		19471+5011	KOI2779		61	1.0	62

WDS 19444+5107 : COMPONENTS

	A
B	pa=289.9° sep=27.23"

19444+5107 A

Componente originario normalizzato	AB	Name	HD 234990	Coord arcsec 2000	194424.99+510728.0	Mag	9.19
Spectral class	F8 (yellow-white)	PmRA	-1.00	PmDE	15.0	SAO	31944
Tycho2	3569-00235-1	HD	234990	DM	BD+50 2866

Tycho2

Tycho2	3569-00235-1	Pflag		RAmdeg	296.10412486	DEmdeg	51.12444467
PmRA	-1.7	PmDE	12.7	E RAmdeg	10	E DEmdeg	11
E pmRA	1.2	E pmDE	1.2	EpRAm	1990.36	EpDEm	1990.09
Num	8	Q RAmdeg	0.7	Q DEmdeg	1.1	Q pmRA	0.7
Q pmDE	1.2	BTmag	9.689	E BTmag	0.022	VTmag	9.186
E VTmag	0.017	Prox	418	TYC	T	HIP
CCDM		RAdeg	296.10413083	DEdeg	51.12441444	EpRA 1990	1.67
EpDE 1990	1.58	E RAdeg	10.1	E DEdeg	11.0	Posflg
Corr	0.0

SAO

SAO	31944	DelFlag		RA1950		PmRA1950	0.0002
DE1950		PmDE1950	0.032	Vmag	8.8	SpType	F8
Double code		Source	37	CatNum	6176	DM	BD+50 2866
DMcomp		BDsup		HD	234990	M HD	0
GC		RA1950rad	5.16221774	DE1950rad	0.8901622	PmRA2000	0.0007
PmDE2000	0.031

19444+5107 B

Componente originario normalizzato	AB	Coord arcsec 2000	194422.27+510737.3	Mag	9.61	PmRA	-1.00
PmDE	15.0	Tycho2	3569-00101-1	HD	234989	Calc delta mag	0.42
Calc coord	yes

Tycho2

Tycho2	3569-00101-1	Pflag		RAmdeg	296.08607469	DEmdeg	51.12702311
PmRA	-3.3	PmDE	13.6	E RAmdeg	15	E DEmdeg	16
E pmRA	1.4	E pmDE	1.3	EpRAm	1989.50	EpDEm	1988.90
Num	8	Q RAmdeg	1.1	Q DEmdeg	1.8	Q pmRA	1.1
Q pmDE	1.8	BTmag	10.377	E BTmag	0.031	VTmag	9.700
E VTmag	0.025	Prox	418	TYC	T	HIP
CCDM		RAdeg	296.08609083	DEdeg	51.12699583	EpRA 1990	1.65
EpDE 1990	1.61	E RAdeg	16.4	E DEdeg	17.5	Posflg
Corr	0.0