16549-4031 SNA 57 (HD 152405)

16^h 54^m 55.37^s -40° 31' 29.4" P.A. 115.00 sep 0.1 mag 6.80,11.20 Sp O9.7II dist. 1886.79 pc (6154.71 l.y.)

Coord 2000	16549-4031	Discov num	SNA 57	Comp		Coord arcsec 2000	16 54 55.37 -40 31 29.4
Date first	2012	Date last	2012	Obs	1
Pa first	115	Pa last	114.9	P.A. Now (θ)	114.9°
Sep first	0.1	Sep last	0.054	Sep. Now (ρ)	0.054"
Mag pri	6.80	Mag sec	11.20	delta mag (ΔM)	4.4	Spectral class	O9.7II (blue)
Pri motion ra	-001	Sec motion ra
Pri motion dec	-001	Sec motion dec
Notes	N V K (See Notes, Proper motion indicates physical, K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 152405	Constellation	Scorpius	SAO	227424	HIP	82767
Tycho2	7872-01057-1	Gaia DR2	5969686958696979712	HD	152405	GC	22767
CD	CD-4010918	CP	CP-40 7596	Distance	1886.79	Distance ly	6154.71

WDS 16549-4031 SNA 57 (HD 152405) : NOTES

discov_num	notes	refcode
HD 152405	NGC 6231 #326. Raboud (1996 A&A 315, 384) finds the star to be a
	radial velocity variable.	Msn1998a
SNA 57	SB with orbital period 25.5d (Sota et al. 2014, ApJS 211, 10). While
	we are lacking PIONIER measurements, NACO/SAM resolved a third
	companion at 54mas.	Sna2014

REFERENCES

refcode	metd	author	reference
Msn1998a	Sc j	Mason, B.D., Gies, D.R., Hartkopf, W.I., Bagnuolo, Jr., W.G.,	1998AJ....115..821M
Msn1998a		ten Brummelaar, T.A., & McAlister, H.A.
Msn1998a		AJ 115, 821, 1998
Sna2014	Kv j	Sana, H., LeBouquin, J.-B., Lacour, S., Berger, J.-P., Duvert, G., Gauchet, L.,	2014ApJS..215...15S
Sna2014	+A	Norris, B., Olofsson, J., Pickel, D., Zins, G., Absil, O., de Koter, A.,
Sna2014		Kratter, K., Schnurr, O., & Zinnecker, H.
Sna2014		ApJS 215, 15, 2014
Sna2014		(NACO companions in Table 6 assumed physical if quoted probability of spurious
Sna2014		detection <10%, optical if >90%, otherwise indeterminate)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
16549-4031	SNA 57		2012	1	115	0.1	6.80	11.20	O9.7II	NV K	165455.37-403129.4

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WDS 16549-4031 SNA 57 (HD 152405) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 16549-4031 SNA 57 (HD 152405) : MEASURES

No records found.

WDS 16549-4031 (HD 152405) : VIRTUAL EYEPIECE

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

WDS 16549-4031 (HD 152405) : ALADIN DSS IMAGE @ 16^h 54^m 55.37^s -40° 31' 29.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 16549-4031 SNA 57 (HD 152405) : 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		16549-4031	SNA 57		115	0.1
Show		16550-4035	SEE 304		244	18.6	4
Show		16548-4043	WG 192		123	6.2	12
Show		16543-4017	I 994	AB	284	2.8	16
Show		16543-4017	WG 190	AC	96	9.2	16
Show		16543-4017	I 994	AD	281	13.7	16
Show		16554-4047	I 1600		157	0.4	17
Show		16563-4040	HDS2394	AB	308	0.3	18
Show		16563-4040	SNA 60	Aa,Ab	285	0.0	18
Show		16563-4040	SNA 60	AC	144	1.5	18
Show		16563-4041	TDT 153		55	0.4	19
Show		16563-4043	WG 193		259	8.7	19
Show		16547-4053	WG 191		174	8.8	22
Show		16569-4031	COO 289	CD	221	7.9	23
Show		16569-4031	CHR 254	Aa,Ab	310	0.1	23
Show		16569-4031	RST5421	AB	128	7.3	23
Show		16569-4031	COO 289	AC	253	7.9	23
Show		16569-4031	COO 289	AD	237	15.2	23
Show		16569-4031	COO 289	AE	339	38.2	23
Show		16572-4031	WG 196		158	9.6	27
Show		16549-4104	I 101		356	1.5	33
Show		16521-4041	I 1599		22	1.0	34
Show		16564-4104	CPO 501		158	3.9	34
Show		16523-4048	RST1903		313	1.2	35
Show		16541-4105	SNA 52	Aa,Ab	218	0.0	35
Show		16541-4105	SNA 52	AB	307	3.7	35
Show		16577-4014	SHN 217		-1	0.1	37
Show		16550-4109	I 576	AB	262	5.5	38
Show		16550-4109	SNA 58	AC	19	3.8	38
Show		16580-4016	LDS 575		248	8.6	38
Show		16548-3950	SHN 216		-1	0.5	43
Show		16573-4108	BRT 939		62	6.2	45
Show		16539-4115	RST1905		254	0.6	46
Show		16567-3951	WG 194		86	7.5	46
Show		16587-4009	LDS 576		56	26.3	48
Show		16589-4015	SNA 61	Aa,Ab	8	0.0	49
Show		16589-4015	SNA 61	AB	243	0.7	49
Show		16589-4015	SNA 61	AC	180	2.9	49
Show		16589-4015	SNA 61	AD	164	4.3	49
Show		16589-4015	SNA 61	AE	250	6.2	49
Show		16589-4015	SNA 61	AF	284	6.6	49
Show		16540-3944	SHN 215		-1	0.1	50
Show		16547-4121	TDS 843		91	1.1	50
Show		16579-4108	KPP3007		37	6.0	50
Show		16503-4046	I 1598		143	1.3	55
Show		16526-4122	CPO 496		239	5.1	57
Show		16556-3934	RST1909		227	0.3	58
Show		16497-4027	RST1902		206	0.5	61
Show		16555-3931	SEE 305		332	7.8	61
Show		16576-3939	RST1915		273	1.8	61
Show		16525-4126	CPO 495		85	4.4	62

WDS 16549-4031 : COMPONENTS

	A
B	pa=121.4° sep=0.04"

16549-4031 A

Componente originario normalizzato	AB	Name	HD 152405	Coord arcsec 2000	165455.37-403129.4	Mag	6.8
Spectral class	O9.7II (blue)	PmRA	-1.00	PmDE	-1.0	SAO	227424
HIP	82767	Tycho2	7872-01057-1	HD	152405	GC	22767
CD	CD-4010918	CP	CP-40 7596

Tycho2

Tycho2	7872-01057-1	Pflag		RAmdeg	253.73071123	DEmdeg	-40.52482642
PmRA	-0.9	PmDE	1.2	E RAmdeg	5	E DEmdeg	5
E pmRA	1.0	E pmDE	1.0	EpRAm	1991.20	EpDEm	1991.08
Num	12	Q RAmdeg	0.6	Q DEmdeg	0.6	Q pmRA	0.6
Q pmDE	0.6	BTmag	7.314	E BTmag	0.016	VTmag	7.207
E VTmag	0.011	Prox	999	TYC	T	HIP	82767
CCDM		RAdeg	253.73071417	DEdeg	-40.52482917	EpRA 1990	1.75
EpDE 1990	1.63	E RAdeg	4.8	E DEdeg	5.4	Posflg
Corr	0.1

SAO

SAO	227424	DelFlag		RA1950		PmRA1950	-0.0016
DE1950		PmDE1950	0	Vmag	7.3	SpType	B3
Double code		Source	70	CatNum	22767	DM	CD-4010918
DMcomp		BDsup		HD	152405	M HD	0
GC	22767	RA1950rad	4.41327387	DE1950rad	-0.70589288	PmRA2000	-0.0016
PmDE2000	0.001

Hipparcos

Catalog	H	HIP	82767	Proxy		RAhms	16 54 55.37
DEdms	-40 31 29.4	Vmag	7.2	VarFlag		R Vmag	H
RAdeg	253.731	DEdeg	-40.5248	AstroRef		Plx	-0.02
CCDM		N CCDM		Nsys		Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	152405	BD
CD	CD-4010918	CP	CP-40 7596	Dm number	-4010918	VIred	0.1
SpType	O9.5Ib	R SpType		Coord arcsec 2000	165455.37-403129.4

Hipparcos 2

HIP	82767	Sn	5	So	0	Nc	1
RArad	4.4284363309	DErad	-0.7072917149	Plx	0.53	PmRA	-0.62
PmDE	-0.79	E RArad	0.61	E DErad	0.49	E Plx	0.67
E pmRA	0.83	E pmDE	0.6	Hpmag	7.2366	E Hpmag	0.0016
SHp	0.01	VA	0	BV	0.087	E BV	0.014
VI	0.1

16549-4031 B

Componente originario normalizzato	AB		Coord arcsec 2000	165455.37-403129.4		Mag	11.2		Calc delta mag	4.4
Calc coord	yes