16044-5343 DUN 198 (QY Nor)

16^h 04^m 21.32^s -53° 42' 37.4" P.A. 192.00 sep 81.3 mag 6.47,9.82 Sp B9II dist. 229.36 pc (748.17 l.y.)

Coord 2000	16044-5343	Discov num	DUN 198	Comp		Coord arcsec 2000	16 04 21.32 -53 42 37.4
Date first	1892	Date last	2015	Obs	11
Pa first	192	Pa last	192	P.A. Now (θ)	192°
Sep first	82.0	Sep last	81.3	Sep. Now (ρ)	81.3"
Mag pri	6.47	Mag sec	9.82	delta mag (ΔM)	3.35	Spectral class	B9II (blue-white)
Pri motion ra	-004	Sec motion ra	-005
Pri motion dec	-011	Sec motion dec	-008
Notes	N S (See Notes, Parallax indidates non-physical)

rPM=0.27 (< 0.3, Physical double)

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Var name	QY Nor	Constellation	Norma	SAO	243296	HIP	78731
Tycho2	8710-02523-1	HD	143658	GC	21561	CP	CP-53 7015
Distance	229.36	Distance ly	748.17

WDS 16044-5343 DUN 198 (QY Nor) : NOTES

discov_num	notes	refcode
DUN 198	QY Nor.

REFERENCES

refcode	metd	author	reference
Dun1829	Ma -	Dunlop, J.	1829MmRAS...3..257D
Dun1829		MemRAS 3, 257, 1829
Dun1829		some measures corrected in LRR2022

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
16044-5343	DUN 198		2015	11	192	81.3	6.47	9.82	B9II	NS	160421.32-534237.4

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WDS 16044-5343 DUN 198 (QY Nor) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 16044-5343 DUN 198 (QY Nor) : MEASURES

No records found.

WDS 16044-5343 (QY Nor) : VIRTUAL EYEPIECE

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WDS 16044-5343 (QY Nor) : ALADIN DSS IMAGE @ 16^h 04^m 21.32^s -53° 42' 37.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 16044-5343 DUN 198 (QY Nor) : 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		16044-5343	DUN 198		192	81.3
Show		16052-5355	KRV 12	AB	73	17.0	15
Show		16052-5355	KRV 12	AC	148	7.6	15
Show		16037-5402	SKF 406	AB	357	4.7	21
Show		16037-5402	SKF 406	AC	237	7.0	21
Show		16075-5336	FIN 242		48	0.3	29
Show		16079-5342	FIN 243		303	4.7	32
Show		16079-5340	TDS9768		274	0.6	32
Show		16016-5409	I 554	AB	185	4.0	36
Show		16016-5409	I 554	AC	154	5.8	36
Show		16001-5355	LPO 54		185	2.9	37
Show		16073-5412	TDS9765		76	0.4	40
Show		16015-5416	HDS2258		185	0.2	42
Show		16089-5355	DAW 70		231	4.0	43
Show		16036-5300	I 981		209	1.6	43
Show		16071-5302	B 1798		357	0.7	48
Show		16058-5254	B 2377		99	2.0	50
Show		16005-5307	B 1795		166	1.7	50
Show		16088-5413	KPP2184		306	18.0	50
Show		15594-5319	TDS9713		290	0.9	51
Show		16051-5437	RST2996		239	0.9	54
Show		15587-5404	I 553		74	2.0	55
Show		15599-5258	B 1794		15	0.2	60
Show		16056-5442	BRT2089		179	5.0	61
Show		16105-5415	ALD 88		139	2.7	64
Show		16117-5316	KPP3985		339	1.6	71
Show		16120-5324	RST1882		290	1.7	72
Show		16113-5421	KRV 14	AB	93	16.6	73
Show		16113-5421	KRV 14	AC	327	27.4	73
Show		16113-5421	KRV 14	AD	79	16.5	73
Show		16116-5419	FIN 244		194	1.9	74
Show		15587-5248	TDS9708		74	0.7	75
Show		16133-5344	ALD 58		272	4.7	80
Show		16127-5414	BRT2090		356	4.7	80
Show		16089-5453	LDS 550		301	7.3	81
Show		16127-5419	HDS2291		324	3.3	83
Show		16130-5413	R 272		159	4.2	84
Show		16133-5414	HJ 4835	AB	81	9.5	85
Show		16133-5414	HJ 4835	AC	67	59.0	85
Show		16133-5414	HJ 4835	BE	88	71.3	86
Show		16136-5408	I 983	AB	58	1.4	86
Show		16136-5408	I 983	AC	312	5.8	86
Show		16133-5414	R 273	CD	168	12.3	86
Show		15546-5351	POM 15		143	7.4	88
Show		16132-5303	VOU 90		70	1.3	89
Show		15595-5219	RST2988		257	0.3	95
Show		15557-5439	HDS2241		286	1.1	95
Show		16002-5511	TDS9720		280	2.1	96
Show		15535-5334	FIN 238		230	0.4	97
Show		16135-5438	HDO 254		214	14.2	98
Show		15548-5434	RST2984	AB	315	2.5	100

WDS 16044-5343 : COMPONENTS

	A
B	pa=187.2° sep=80.15"

16044-5343 A

Componente originario normalizzato	AB	Name	QY Nor	Coord arcsec 2000	160421.32-534237.4	Mag	6.47
Spectral class	B9II (blue-white)	PmRA	-4.00	PmDE	-11.0	SAO	243296
HIP	78731	Tycho2	8710-02523-1	HD	143658	GC	21561
CP	CP-53 7015

Tycho2

Tycho2	8710-02523-1	Pflag		RAmdeg	241.08882686	DEmdeg	-53.71036945
PmRA	-5.7	PmDE	-15.3	E RAmdeg	4	E DEmdeg	4
E pmRA	1.2	E pmDE	1.3	EpRAm	1991.32	EpDEm	1991.09
Num	14	Q RAmdeg	0.8	Q DEmdeg	0.8	Q pmRA	0.7
Q pmDE	0.7	BTmag	6.457	E BTmag	0.015	VTmag	6.471
E VTmag	0.010	Prox	658	TYC	T	HIP	78731
CCDM		RAdeg	241.08884917	DEdeg	-53.71033306	EpRA 1990	1.67
EpDE 1990	1.40	E RAdeg	3.6	E DEdeg	3.9	Posflg
Corr	0.0

SAO

SAO	243296	DelFlag		RA1950		PmRA1950	0.0033
DE1950		PmDE1950	-0.014	Vmag	6.7	SpType	A0
Double code		Source	70	CatNum	21561	DM	CP-53 7015
DMcomp		BDsup		HD	143658	M HD	0
GC	21561	RA1950rad	4.19087449	DE1950rad	-0.93503286	PmRA2000	0.0029
PmDE2000	-0.013

Hipparcos

Catalog	H	HIP	78731	Proxy		RAhms	16 04 21.32
DEdms	-53 42 37.2	Vmag	6.46	VarFlag		R Vmag	H
RAdeg	241.089	DEdeg	-53.7103	AstroRef		Plx	3.11
CCDM		N CCDM		Nsys		Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	143658	BD
CD		CP	CP-53 7015	Dm number	-53 7015	VIred	0.05
SpType	B9II/IIIp..	R SpType		Coord arcsec 2000	160421.32-534237.2

Hipparcos 2

HIP	78731	Sn	5	So	0	Nc	1
RArad	4.2077942564	DErad	-0.9374221582	Plx	4.36	PmRA	-2.92
PmDE	-18.42	E RArad	0.41	E DErad	0.32	E Plx	0.5
E pmRA	0.46	E pmDE	0.42	Hpmag	6.4762	E Hpmag	0.0009
SHp	0.008	VA	0	BV	0.006	E BV	0.01
VI	0.05

16044-5343 B

Componente originario normalizzato	AB		Coord arcsec 2000	160420.19-534356.9		Mag	9.82		PmRA	-5.00
PmDE	-8.0		Tycho2	8710-02639-1		Calc delta mag	3.35		Calc coord	yes

Tycho2

Tycho2	8710-02639-1	Pflag		RAmdeg	241.08175201	DEmdeg	-53.73243761
PmRA	-1.2	PmDE	-11.0	E RAmdeg	16	E DEmdeg	22
E pmRA	2.1	E pmDE	2.1	EpRAm	1989.86	EpDEm	1987.84
Num	8	Q RAmdeg	1.4	Q DEmdeg	1.7	Q pmRA	1.3
Q pmDE	1.6	BTmag	10.082	E BTmag	0.032	VTmag	9.824
E VTmag	0.034	Prox	809	TYC	T	HIP
CCDM		RAdeg	241.08175389	DEdeg	-53.73241333	EpRA 1990	1.69
EpDE 1990	1.39	E RAdeg	17.1	E DEdeg	23.9	Posflg
Corr	0.0