16577-1811 ARA 434

16^h 57^m 40.02^s -18° 10' 55.5" P.A. 153.00 sep 11.8 mag 9.82,13.00 Sp A5II/III

Coord 2000	16577-1811	Discov num	ARA 434	Comp		Coord arcsec 2000	16 57 40.02 -18 10 55.5
Date first	1916	Date last	2015	Obs	6
Pa first	150	Pa last	152.6	P.A. Now (θ)	152.6°
Sep first	11.7	Sep last	11.847	Sep. Now (ρ)	11.847"
Mag pri	9.82	Mag sec	13.00	delta mag (ΔM)	3.18	Spectral class	A5II/III (white)
Pri motion ra	-014	Sec motion ra	-012
Pri motion dec	+007	Sec motion dec	-003
Notes

rPM=0.652

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation	Ophiuchus		SAO	160188		Tycho2	6223-00231-1		Gaia DR2	4132241503540293632
HD	152998

WDS 16577-1811 ARA 434 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Ara1961	Pa -	Aravamudan, S.	1961PASP...73..266A
Ara1961		PASP 73, 266, 1961
Ara1963	Pa -	Aravamudan, S.	.
Ara1963		Pub. Nizamiah Obs. 13, Pt.3, 1963

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
16577-1811	ARA 434		1999	2	153	11.8	9.82	13.00	A5II/III	D	165740.02-181055.5
16577-1811	ARA 434		2010	4	157	12.7	9.82	13.00	A5II/III		165740.02-181055.5
16577-1811	ARA 434		2015	5	153	11.8	9.82	13.00	A5II/III		165740.02-181055.5

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WDS 16577-1811 ARA 434 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 16577-1811 ARA 434 : MEASURES

No records found.

WDS 16577-1811 : VIRTUAL EYEPIECE

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WDS 16577-1811 : ALADIN DSS IMAGE @ 16^h 57^m 40.02^s -18° 10' 55.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 16577-1811 ARA 434 : 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		16577-1811	ARA 434		153	11.8
Show		16586-1803	OL 99		128	3.0	17
Show		17002-1813	RST3059		252	5.6	37
Show		17004-1737	ARA 244		322	7.2	52
Show		16564-1904	GWP2680		53	20.7	56
Show		17003-1854	DVG 45		233	119.9	58
Show		16539-1854	DON 815	AB	221	2.7	69
Show		16539-1854	DON 815	AC	320	9.3	69
Show		16573-1702	UC 3260		302	24.7	70
Show		17006-1714	OCC1029		61	0.1	71
Show		17019-1853	OCC 40		-1	0.1	73
Show		16523-1814	UC 3246		25	109.6	77
Show		17014-1715	RST3061		211	0.3	78
Show		16593-1926	HDS2403		264	0.4	79
Show		16521-1820	DON 814		84	0.9	79
Show		16593-1654	HU 162		197	0.7	81
Show		16561-1928	KPP4018		166	2.7	81
Show		16571-1932	OCC 940	Ba,Bb	-1	0.0	82
Show		16571-1932	SHJ 240	AB	233	4.4	82
Show		16531-1716	KPP1964		118	15.5	86
Show		16560-1648	KUI 76		299	23.6	86
Show		16539-1919	B 1838		256	0.7	87
Show		17030-1719	RST3063		162	1.1	92
Show		17031-1904	BRT1501		167	3.6	93
Show		17040-1742	RST3066		103	0.5	96
Show		17001-1639	HDS2406		171	0.2	99
Show		16525-1921	TDT 125		137	0.6	101
Show		16523-1921	GWP2675		37	83.9	104
Show		17054-1822	RST3068		193	1.0	112
Show		17036-1928	HU 1174		76	3.7	115
Show		17056-1807	ARA 245		32	6.7	115
Show		17008-1613	UC 3273		200	23.9	126
Show		16490-1725	GWP2670		9	44.5	132
Show		17039-1956	RST3065		341	3.4	138
Show		16509-1950	B 1830	BC	303	0.1	138
Show		16509-1950	B 1830	AB	59	0.4	138
Show		17071-1905	HU 1175		212	2.1	145
Show		17012-2026	HJ 4911	AB	176	96.1	145
Show		17012-2026	HJ 4911	AC	13	11.2	145
Show		16534-2025	WSI 86		180	0.4	147
Show		17080-1802	HO 650		224	7.5	148
Show		16490-1936	HJ 4888	AB	223	13.5	150
Show		16505-2001	UC 3240		197	45.9	150
Show		17081-1826	DOO 64		207	4.7	151
Show		16489-1649	LDS4695		25	16.3	151
Show		17083-1847	ARA 436		122	15.0	155
Show		17077-1912	ARG 78		181	0.7	156
Show		16585-2047	JKS 14		125	12.9	157
Show		17038-2023	HWE 38		180	5.9	159
Show		16523-1553	FAL 54		101	5.3	159
Show		16466-1743	HU 313		320	0.3	161

WDS 16577-1811 : COMPONENTS

	A
B	pa=153.8° sep=11.72"

16577-1811 A

Componente originario normalizzato	AB	Coord arcsec 2000	165740.02-181055.5	Mag	9.82	Spectral class	A5II/III (white)
PmRA	-14.00	PmDE	7.0	SAO	160188	Tycho2	6223-00231-1
HD	152998	DM	BD-17 4670

Tycho2

Tycho2	6223-00231-1	Pflag		RAmdeg	254.41674899	DEmdeg	-18.18209813
PmRA	-13.8	PmDE	5.1	E RAmdeg	23	E DEmdeg	25
E pmRA	1.5	E pmDE	1.5	EpRAm	1986.14	EpDEm	1985.18
Num	12	Q RAmdeg	1.1	Q DEmdeg	1.6	Q pmRA	1.1
Q pmDE	1.5	BTmag	10.218	E BTmag	0.040	VTmag	9.821
E VTmag	0.040	Prox	999	TYC	T	HIP
CCDM		RAdeg	254.41678167	DEdeg	-18.18211194	EpRA 1990	1.59
EpDE 1990	1.48	E RAdeg	24.9	E DEdeg	27.6	Posflg
Corr	0.2

SAO

SAO	160188	DelFlag		RA1950		PmRA1950	-0.0004
DE1950		PmDE1950	0.011	Vmag	9.1	SpType	A3
Double code		Source	22	CatNum	6913	DM	BD-17 4670
DMcomp		BDsup		HD	152998	M HD	0
GC		RA1950rad	4.42769782	DE1950rad	-0.31600253	PmRA2000	-0.0003
PmDE2000	0.014

CCDM

Ccdm	16577-1811	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-1.96	DDEs	5.0
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	9.4	Sp	A3	PmNote	*
PmRA	-6	PmDE	11	Dm number	-17 4670	Cat1	BD
Name2	160188	Cat2	SAO	HD	152998	M HD
ADS BDS		M ADS BDS		N IDS		IDS	16518S1802A
HIC

16577-1811 B

Componente originario normalizzato	AB		Coord arcsec 2000	165740.38-181106.0		Mag	13		PmRA	-12.00
PmDE	-3.0		Calc delta mag	3.18		Calc coord	yes

CCDM

Ccdm	16577-1811	RComp		Comp	B	Note1
Note2		Discov num	ARA 434	DRAs		DDEs
R dRAs		Year	1916	Theta	153	Rho	11.7
Obs	1	Vmag	12.6	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	16518S1802B
HIC