18444+2003 GRV 238 (HD 349280)

18^h 44^m 26.23^s +20° 03' 43.9" P.A. 345.00 sep 36.6 mag 9.56,9.69 Sp G0

Coord 2000	18444+2003	Discov num	GRV 238	Comp		Coord arcsec 2000	18 44 26.23 +20 03 43.9
Date first	1895	Date last	2016	Obs	23
Pa first	346	Pa last	344.9	P.A. Now (θ)	344.9°
Sep first	37.1	Sep last	36.552	Sep. Now (ρ)	36.552"
Mag pri	9.56	Mag sec	9.69	delta mag (ΔM)	0.13	Spectral class	G0 (yellow)
Pri motion ra	-018	Sec motion ra	-018
Pri motion dec	+030	Sec motion dec	+031
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.028 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 349280		Constellation	Hercules		SAO	86387		Tycho2	1591-00731-1
Gaia DR2	4530702215348388352		HD	349280

WDS 18444+2003 GRV 238 (HD 349280) : NOTES

discov_num	notes	refcode
GRV 238	B component is +19 3770.

REFERENCES

refcode	metd	author	reference
Grv2004	Eu -	Greaves, J.	2004MNRAS.355..585G
Grv2004		MNRAS 355, 585, 2004
Grv2005a	Es -	Greaves, J.	...................
Grv2005a	+C	Webb Soc., Double Star Circ. 13, 2005 (GRV 973 - 1147)
Grv2005a		(Note: RA for all WDS designations inadvertently truncated to integer minute)
Grv2005b	Pa -	Greaves, J.	...................
Grv2005b		private communication
Grv2005c	C -	Greaves, J.	2005JDSO....1...41G
Grv2005c		JDSO 1, 41, 2005
Grv2006	-	Greaves, J.	...................
Grv2006		private communication, 2006
Grv2006		(measures done using LSPM-north, see Vizier On-line Data Catalog I/298;
Grv2006		Lepine & Shara 2005)
Grv2006b	Es -	Greaves, J.	...................
Grv2006b		private Communication, 2006
Grv2006b		(Reduction of SDSS data. Calculated position is to J2000, but actual observation
Grv2006b		epoch is unknown and proper motion may or may not have been applied.)
Grv2006c	Ey -	Greaves, J.	...................
Grv2006c		private Communication, 2006
Grv2006c		(Reduction of SPM3.3 data. Calculated position is to 1991.25, but actual
Grv2006c		observation epoch is unknown and proper motion may or may not have been applied.)
Grv2008	Es -	Greaves, J.	...................
Grv2008		Webb Soc., Double Star Circ. 16, 2008
Grv2011	C -	Greaves, J.	...................
Grv2011		Webb Soc., Double Star Circ. 19, 2011
Grv2011		These carry a discovery designation of SPM and come from the SPM4 Catalog	2011AJ....142...15G
Grv2019a	Hg u	Greaves, J.	2019JDSO...15...59G
Grv2019a		JDSO 15, 59, 2019
Grv2019b	Hg u	Greaves, J.	2019JDSO...15...77G
Grv2019b		JDSO 15, 59, 2019
Grv2019c	Hg u	Greaves, J.	...................
Grv2019c		private communication, 2019 (17 April 2019 email)
Grv2019d	Hg -	Greaves, J.	.
Grv2019d		private communication, 2019 (4 Nov 2019 email)
Grv2020a	not -	Greaves, J.	.
Grv2020a		private communication, 2020 (14 Mar 2020 email)
Grv2020b	Hg j	Greaves, J.	.
Grv2020b		Webb Soc., Double Star Circ. 28, 23, 2020
Grv2020c	Hg j	Greaves, J.	.
Grv2020c		Webb Soc., Double Star Circ. 28, 35, 2020
Grv2020d	Hg j	Greaves, J.	.
Grv2020d		Webb Soc., Double Star Circ. 28, 39, 2020
Grv2020e	Hg u	Greaves, J.	2020JDSO...16..317G
Grv2020e		JDSO 16, 317, 2020
Grv2020f	Hg	Greaves, J.	2020JDSO...16..362G
Grv2020f		JDSO 16, 362, 2020
Grv2020g	Hg -	Greaves, J.	.
Grv2020g		private communication, 2020 (29 Nov 2020 email)
Grv2020h	Hg -	Greaves, J.	.
Grv2020h		private communication, 2020 (10 Dec 2020 email)
Grv2020i	Hg -	Greaves, J.	.
Grv2020i		private communication, 2020 (12 Dec 2020 email)
Grv2020j	Hg -	Greaves, J.	.
Grv2020j		private communication, 2020 (21 Dec 2020 email)
Grv2021a	not -	Greaves, J.	.
Grv2021a		private communication, 2021 (18 Feb 2021 email)
Grv2021b	not -	Greaves, J.	.
Grv2021b		private communication, 2021 (23 Feb 2021 email)
Grv2021c	Hg+ -	Greaves, J., Rica Romero, F.M. & Otero, S.	2021JDSO...17..137G
Grv2021c	+orb	JDSO 17, 137, 2021
Grv2021d	Hg -	Greaves, J.	.
Grv2021d		private communication, 2021 (23 Aug 2021 email)
Grv2021e	Hg -	Greaves, J.	.
Grv2021e		private communication, 2021 (24 Aug 2021 email)
Grv2022	Hg j	Greaves, J. .
Grv2022		Webb Soc., Double Star Circ. 30, 27, 2022
Grv2023a	Hg -	Greaves, J.	.
Grv2023a		private communication, 2023 (15 Feb 2023 email)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18444+2003	GRV 238		2000	13	345	36.5	9.56	9.69		D	184426.23+200343.9
18444+2003	GRV 238		2010	14	345	36.5	9.56	9.69		N D	184426.23+200343.9
18444+2003	GRV 238		2015	17	345	36.6	9.56	9.69	G0	N	184426.23+200343.9
18444+2003	GRV 238		2016	23	345	36.6	9.56	9.69	G0	NV	184426.23+200343.9

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

WDS 18444+2003 GRV 238 (HD 349280) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18444+2003 GRV 238 (HD 349280) : MEASURES

No records found.

WDS 18444+2003 (HD 349280) : VIRTUAL EYEPIECE

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

WDS 18444+2003 (HD 349280) : ALADIN DSS IMAGE @ 18^h 44^m 26.23^s +20° 03' 43.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18444+2003 GRV 238 (HD 349280) : 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		18444+2003	GRV 238		345	36.6
Show		18444+2015	ALD 4	AB	338	4.1	20
Show		18444+2015	DAM 640	AC	169	11.0	20
Show		18430+1955	TDS 936		157	2.0	23
Show		18457+2033	HJ 2839	AB	57	74.8	34
Show		18457+2033	HJ 2839	AC	59	73.0	34
Show		18457+2033	HJ 2839	AD	336	25.4	34
Show		18457+2033	HJ 2839	AE	13	61.1	34
Show		18432+1928	BU 645		305	9.3	40
Show		18474+1957	TDT1056		171	4.6	42
Show		18443+2052	HU 325		6	0.4	49
Show		18445+1913	J 466		214	2.9	52
Show		18482+2028	TDT1060		175	0.6	59
Show		18405+1936	OSO 102	AB	99	17.3	63
Show		18405+1936	OSO 102	AC	36	20.3	63
Show		18496+1953	MMA 28		70	13.9	75
Show		18399+2019	L 64		74	4.1	77
Show		18489+1920	DCH 121		10	0.4	77
Show		18425+2116	BRT2448		294	3.8	78
Show		18487+2053	RAS 27		218	1.2	78
Show		18433+1847	COU 816		293	0.2	79
Show		18412+2111	TDT 994		27	0.7	82
Show		18501+1952	TDT1079		295	1.3	82
Show		18505+2002	KU 121		312	31.5	86
Show		18423+1842	TDT1012		32	0.5	88
Show		18500+2043	HU 328		187	4.8	88
Show		18393+2056	STF2360		358	2.5	89
Show		18508+1954	KPP 426		97	4.6	90
Show		18389+2019	L 63		63	2.7	91
Show		18473+2125	GRV 239		244	7.6	92
Show		18490+2110	STF2401	AB	38	4.1	92
Show		18490+2110	STF2401	AC	149	92.9	92
Show		18369+2019	L 62		314	6.2	92
Show		18440+1820	BPM 811		86	55.0	105
Show		18509+2058	COU 317	AB	94	1.5	107
Show		18509+2058	COU 317	AC	2	17.3	107
Show		18517+2041	J 809		211	1.6	109
Show		18498+2124	HU 327		60	0.3	110
Show		18408+2142	HU 324		113	0.9	111
Show		18461+1817	J 2924		69	3.6	111
Show		18525+2007	TDT1101		117	0.6	115
Show		18468+1812	DAM 351		193	9.2	117
Show		18365+1931	FMR 231	AB	86	15.1	117
Show		18365+1931	RAO 394	Aa,Ab	233	0.2	117
Show		18361+2003	TDS 931		49	1.2	118
Show		18370+1910	J 799		78	2.6	118
Show		18470+1811	ENG 64	DJ	253	132.4	119
Show		18470+1811	ENG 64	AB	241	113.7	119
Show		18470+1811	ENG 64	AD	258	143.8	119
Show		18470+1811	ENG 64	AC	252	135.8	119
Show		18470+1811	SMA 80	CD	313	18.4	119

WDS 18444+2003 : COMPONENTS

	A
B	pa=345.8° sep=36.41"

18444+2003 A

Componente originario normalizzato	AB	Name	HD 349280	Coord arcsec 2000	184426.23+200343.9	Mag	9.56
Spectral class	G0 (yellow)	PmRA	-18.00	PmDE	30.0	SAO	86387
Tycho2	1591-00731-1	HD	349280	DM	BD+19 3771

Tycho2

Tycho2	1591-00731-1	Pflag		RAmdeg	281.10928185	DEmdeg	20.06218078
PmRA	-17.6	PmDE	30.4	E RAmdeg	14	E DEmdeg	13
E pmRA	0.8	E pmDE	0.8	EpRAm	1987.16	EpDEm	1987.93
Num	11	Q RAmdeg	1.4	Q DEmdeg	1.5	Q pmRA	1.4
Q pmDE	1.5	BTmag	10.292	E BTmag	0.028	VTmag	9.562
E VTmag	0.021	Prox	365	TYC	T	HIP
CCDM		RAdeg	281.10932528	DEdeg	20.06211056	EpRA 1990	1.61
EpDE 1990	1.72	E RAdeg	14.6	E DEdeg	14.4	Posflg
Corr	0.1

SAO

SAO	86387	DelFlag		RA1950		PmRA1950	-0.0007
DE1950		PmDE1950	0.008	Vmag	9.2	SpType	G0
Double code		Source	28	CatNum	6981	DM	BD+19 3771
DMcomp		BDsup		HD	349280	M HD	0
GC		RA1950rad	4.8968433	DE1950rad	0.34922415	PmRA2000	-0.0006
PmDE2000	0.008

18444+2003 B

Componente originario normalizzato	AB	Coord arcsec 2000	184425.60+200419.2	Mag	9.69	PmRA	-18.00
PmDE	31.0	SAO	86386	Tycho2	1591-00617-1	HD	349281
DM	BD+19 3770	Calc delta mag	0.13	Calc coord	yes

Tycho2

Tycho2	1591-00617-1	Pflag		RAmdeg	281.10648007	DEmdeg	20.07197386
PmRA	-17.0	PmDE	30.2	E RAmdeg	14	E DEmdeg	15
E pmRA	0.8	E pmDE	0.8	EpRAm	1987.20	EpDEm	1986.91
Num	11	Q RAmdeg	0.9	Q DEmdeg	1.5	Q pmRA	1.0
Q pmDE	1.6	BTmag	10.325	E BTmag	0.028	VTmag	9.693
E VTmag	0.024	Prox	365	TYC	T	HIP
CCDM		RAdeg	281.10652361	DEdeg	20.07190417	EpRA 1990	1.61
EpDE 1990	1.72	E RAdeg	15.2	E DEdeg	15.5	Posflg
Corr	0.0

SAO

SAO	86386	DelFlag		RA1950		PmRA1950	-0.0009
DE1950		PmDE1950	-0.001	Vmag	9.3	SpType	G0
Double code		Source	28	CatNum	6980	DM	BD+19 3770
DMcomp		BDsup		HD	349281	M HD	0
GC		RA1950rad	4.8967946	DE1950rad	0.34939595	PmRA2000	-0.0008
PmDE2000	-0.001