19343+1840 GCB 43 (HD 231854)

19^h 34^m 18.03^s +18° 40' 19.9" P.A. 264.00 sep 7.5 mag 9.95,11.90 Sp A2

Coord 2000	19343+1840	Discov num	GCB 43	Comp		Coord arcsec 2000	19 34 18.03 +18 40 19.9
Date first	1925	Date last	2015	Obs	11
Pa first	267	Pa last	264.1	P.A. Now (θ)	264.1°
Sep first	5.5	Sep last	7.529	Sep. Now (ρ)	7.529"
Mag pri	9.95	Mag sec	11.90	delta mag (ΔM)	1.95	Spectral class	A2 (white)
Pri motion ra	+004	Sec motion ra
Pri motion dec	-002	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 231854		Constellation	Sagitta		SAO	104981		Tycho2	1605-00930-1
Gaia DR2	1825157695482574848		HD	231854

WDS 19343+1840 GCB 43 (HD 231854) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Gcb1932	Ma -	Giacobini, M.	1932JO.....15...29G
Gcb1932		J. Obs. 15, 29, 1932
Gcb1932B	Ma -	Giacobini, M.	1932QB821.A43......
Gcb1932B		cited in ADS (Aitken Double Star Cat., 1932)
Gcb1934	Ma -	Giacobini, M.	.
Gcb1934		Mesures d'etoiles doubles faites a l'Observatoire de Paris, 1934 [QB821.G4]
Gcb1938	Ma -	Giacobini, M.	1938JO.....21...33G
Gcb1938		J. Obs. 21, 33, 1938

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19343+1840	GCB 43		1931	2	270	5.3	9.97	12.50	A2		193418.04+184019.9
19343+1840	GCB 43		2011	3	265	7.3	9.95	11.90	A2		193418.03+184019.9
19343+1840	GCB 43		2015	7	264	7.5	9.95	11.90	A2		193418.03+184019.9

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WDS 19343+1840 GCB 43 (HD 231854) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 19343+1840 GCB 43 (HD 231854) : MEASURES

No records found.

WDS 19343+1840 (HD 231854) : VIRTUAL EYEPIECE

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WDS 19343+1840 (HD 231854) : ALADIN DSS IMAGE @ 19^h 34^m 18.03^s +18° 40' 19.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 19343+1840 GCB 43 (HD 231854) : 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		19343+1840	GCB 43		264	7.5	1
Show		19339+1843	TDT1544		4	0.6	7
Show		19335+1842	KPP4153	AD	249	4.2	11
Show		19354+1856	J 1176		101	3.2	23
Show		19352+1818	J 1077		16	2.4	26
Show		19314+1841	HJ 890		248	9.0	27
Show		19335+1814	HU 341		119	2.2	29
Show		19321+1833	TDT1525		234	0.8	33
Show		19346+1808	STT 375		183	0.7	33
Show		19332+1808	BPM1090		294	25.4	36
Show		19345+1759	YSC 241		79	0.1	42
Show		19319+1907	NSN 716		288	1.1	44
Show		19313+1830	TDT1518		232	2.8	44
Show		19356+1920	TDT1566		238	0.5	45
Show		19324+1758	DAM 355		161	6.3	50
Show		19319+1804	L 45		146	4.9	51
Show		19372+1812	BPMA127		132	132.3	51
Show		19379+1836	HDS2785		2	0.2	52
Show		19322+1756	DAM 354		333	12.2	54
Show		19340+1742	TDT1545		152	1.7	59
Show		19372+1923	TDT1587		283	0.7	60
Show		19370+1927	COU 211		304	0.8	61
Show		19311+1817	OL 82		246	1.4	61
Show		19300+1826	J 137		18	4.5	63
Show		19388+1834	COU 212	AB	208	0.9	64
Show		19388+1834	GII 285	Aa,Ab	136	0.1	64
Show		19341+1736	BPM1115		115	111.7	65
Show		19364+1938	COU 210	AB	217	0.6	65
Show		19364+1938	COU 210	AC	115	1.7	65
Show		19389+1842	HO 110		78	2.6	66
Show		19316+1747	STF2536		120	1.8	66
Show		19379+1922	STF2552		195	5.3	66
Show		19346+1946	BU 1130	AB	27	7.9	67
Show		19346+1946	BU 1130	AC	317	109.0	67
Show		19390+1842	COU 213		183	1.1	67
Show		19315+1804	L 29		346	13.4	72
Show		19308+1935	SLE 950		138	7.9	74
Show		19323+1949	J 1310		216	2.2	75
Show		19296+1800	AG 231		239	4.5	79
Show		19329+1724	CLZ 76		160	150.6	79
Show		19343+1720	BPM1117		340	81.9	81
Show		19312+1951	J 1309		234	2.6	83
Show		19370+1954	J 773		22	3.2	83
Show		19284+1829	HU 340		120	0.9	86
Show		19396+1800	BPM1263		239	68.6	87
Show		19366+1721	LDS5880		297	11.4	87
Show		19371+1723	HU 342		255	4.6	88
Show		19299+1943	SLE 949		184	12.5	88
Show		19301+1945	J 1308		197	2.5	90
Show		19363+1714	TDT1575		276	0.5	91
Show	Sham	19401+1801	J 121	AB	180	28.9	92

WDS 19343+1840 : COMPONENTS

	A
B	pa=263.8° sep=7.14"

19343+1840 A

Componente originario normalizzato	AB	Name	HD 231854	Coord arcsec 2000	193418.03+184019.9	Mag	9.95
Spectral class	A2 (white)	PmRA	4.00	PmDE	-2.0	SAO	104981
Tycho2	1605-00930-1	HD	231854	DM	BD+18 4128

Tycho2

Tycho2	1605-00930-1	Pflag		RAmdeg	293.57515422	DEmdeg	18.67221108
PmRA	5.1	PmDE	-3.5	E RAmdeg	14	E DEmdeg	14
E pmRA	1.2	E pmDE	1.2	EpRAm	1989.96	EpDEm	1989.86
Num	8	Q RAmdeg	2.0	Q DEmdeg	1.1	Q pmRA	2.0
Q pmDE	1.2	BTmag	10.178	E BTmag	0.024	VTmag	9.967
E VTmag	0.025	Prox	999	TYC	T	HIP
CCDM		RAdeg	293.57514361	DEdeg	18.67221861	EpRA 1990	1.77
EpDE 1990	1.72	E RAdeg	14.0	E DEdeg	14.2	Posflg
Corr	-0.1

SAO

SAO	104981	DelFlag		RA1950		PmRA1950	0.0003
DE1950		PmDE1950	-0.018	Vmag	9.3	SpType	A2
Double code		Source	28	CatNum	7523	DM	BD+18 4128
DMcomp		BDsup		HD	231854	M HD	0
GC		RA1950rad	5.1141725	DE1950rad	0.32396989	PmRA2000	0.0004
PmDE2000	-0.019

CCDM

Ccdm	19343+1840	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-0.06	DDEs	20.0
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	9.3	Sp	A2	PmNote	*
PmRA	-4	PmDE	-5	Dm number	+18 4128	Cat1	BD
Name2	+18 1873	Cat2	AGK2/3	HD	231854	M HD
ADS BDS		M ADS BDS		N IDS		IDS	19299N1827A
HIC

19343+1840 B

Componente originario normalizzato	AB		Coord arcsec 2000	193417.53+184019.1		Mag	11.9		Calc delta mag	1.95
Calc coord	yes

CCDM

Ccdm	19343+1840	RComp		Comp	B	Note1
Note2		Discov num	GCB 43	DRAs		DDEs
R dRAs		Year	1925	Theta	268	Rho	5.4
Obs	2	Vmag	11.8	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	19299N1827B
HIC