16563-4040 HDS 2394 AB

Coord 2000	16563-4040		Discov num	HDS2394		Comp	AB		Coord arcsec 2000	16 56 15.03 -40 39 35.8
Date first	1991		Date last	2015		Obs	9
Pa first	315		Pa last	308.2		P.A. Now (θ)	308.2°
Sep first	0.2		Sep last	0.255		Sep. Now (ρ)	0.255"
Mag pri	7.02		Mag sec	8.29		delta mag (ΔM)	1.27		Spectral class	O7V (blue)
Pri motion ra	+002		Sec motion ra
Pri motion dec	-003		Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		227464	16 56 15 -40 39 36	SNA 60 Aa,Ab	2012	1	285	0.0	6.80	7.60	0.80
Show		227464	16 56 15 -40 39 36	HDS 2394 AB	2015	9	308	0.3	7.02	8.29	1.27		<===
Show	HD 152623	227464	16 56 15 -40 39 36	SNA 60 AC	2015	4	144	1.5	6.34	9.89	3.55

Quadruple system
3 estimated visually detectable stars in this system

Constellation	Scorpius		SAO	227464		HIP	82876		Tycho2	7872-00879-1
Gaia DR2	5969673420936964864		HD	152623		GC	22804		CD	CD-4010961
CP	CP-40 7630		Distance	1388.89		Distance ly	4530.56

discov_num	notes	refcode
HDS2394	AB: Fullerton (1990) discovered the short-period spectroscopic	Ful1990
	variation, and subsequently Wiemker (1992 MS Thesis, Georgia State
	Univ.) showed that the spectral variations are best explained by the
	superposition of a stronger stationary component and a moving
	component. Thus, the speckle resolution of this system (aka, CHR 210)
	makes clear that this is (at least) a triple consisting of a short-
	period SB1 and a distant O star.	Msn1998a
SNA 60	Aa,Ab: Mason et al. (1998, 2009) reported a companion at 23mas, but	Msn1998a
	with position angles differing by 180deg. Our NACO/SAM data confirm	Msn2009
	that the correct theta value is 307deg. A closer Aa,Ab companion is
	found in the PIONIER data, with rho=28.24mas; a third AC companion is
	detected by NACO at 1.5". The primary is also reported as a 3.9d SB1	Ful1990
	by Fullerton (1990).	Sna2014
HDS 2394	AB + SNA 60Aa,Ab + SNA 60AC: HIP 82876 is a distant O7V star. The
	0".26 AB pair was measured among other neglected binaries. We found
	another faint companion C at 1".46. The star has an extensive
	literature, including multiplicity surveys with speckle interferometry
	and RV (Chini et al. 2012). Owing to the large distance, no detectable	Cii2012
	orbital motion is expected. Indeed, the AB pair was measured with
	HRCam in 2008.5 at the same position as it is now. Those observations
	in the y band did not detect the companion C owing to a lower
	signal-to-noise ratio.	Tok2015c

refcode	metd	author	reference
Cii2012	not -	Chini, R., Hoffmeister, V.H., Nasseri, A., Stahl, O., & Zinnecker, H.	2012MNRAS.424.1925C
Cii2012		MNRAS 424, 1925, 2012
Ful1990	-	Fullerton, A.W.	.
Ful1990		PhD thesis, Univ. of Toronto, 1990
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
Msn2009	S+ j	Mason, B.D., Hartkopf, W.I., Gies, D.R., Henry, T.J., & Helsel, J.W.	2009AJ....137.3358M
Msn2009	+orb	AJ 137, 3358, 2009
Msn2009	+lin
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)
Tok2015c	orb+j	Tokovinin, A., Mason, B.D., Hartkopf, W.I., Mendez, R.A., & Horch, E.P.	2015AJ....150...50T
Tok2015c	+St	AJ 150, 50, 2015 (some measures corrected in Tok2017b)	2017AJ....154..110T

idgroup	discov	author
1	HDS	Hipparcos Double Star (from additional DD list)

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
16563-4040	HDS2394	AB	2011	6	308	0.3	7.02	8.29	O7	N	165615.03-403935.8
16563-4040	HDS2394	AB	2014	7	308	0.3	7.02	8.29	O7	N	165615.03-403935.8
16563-4040	HDS2394	AB	2015	9	308	0.3	7.02	8.29	O7	N	165615.03-403935.8

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No records found.


No records found.

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Radius: auto 0.5" 0.8" 1" 2" 3" 5" 10" 15" 20" 25" 30" 35" 40" 45" 50" 55" 1' 2' 3' 4' 5' 6' 7' 8' 9' 10' 15' 20' 30' 40' 50' 1° 2° 4° 5° 8° Components only

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

FoV: 30" 1' 5' 15' 30' 1° 2° 4° 5° 8° Limit: 2 3 4 5 10 15 20 25 30 50 100 Primaries only
Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(') Show 16563-4040 HDS2394 AB 308 0.3 Show 16563-4040 SNA 60 Aa,Ab 285 0.0 Show 16563-4040 SNA 60 AC 144 1.5 Show 16563-4041 TDT 153 55 0.4 2 Show 16563-4043 WG 193 259 8.7 4 Show 16569-4031 COO 289 CD 221 7.9 12 Show 16569-4031 CHR 254 Aa,Ab 310 0.1 12 Show 16569-4031 RST5421 AB 128 7.3 12 Show 16569-4031 COO 289 AC 253 7.9 12 Show 16569-4031 COO 289 AD 237 15.2 12 Show 16569-4031 COO 289 AE 339 38.2 12 Show 16554-4047 I 1600 157 0.4 13 Show 16572-4031 WG 196 158 9.6 15 Show 16550-4035 SEE 304 244 18.6 16 Show 16548-4043 WG 192 123 6.2 17 Show 16549-4031 SNA 57 115 0.1 18 Show 16547-4053 WG 191 174 8.8 22 Show 16564-4104 CPO 501 158 3.9 23 Show 16549-4104 I 101 356 1.5 29 Show 16580-4016 LDS 575 248 8.6 30 Show 16577-4014 SHN 217 -1 0.1 31 Show 16573-4108 BRT 939 62 6.2 31 Show 16543-4017 I 994 AB 284 2.8 32 Show 16543-4017 WG 190 AC 96 9.2 32 Show 16543-4017 I 994 AD 281 13.7 32 Show 16550-4109 I 576 AB 262 5.5 33 Show 16550-4109 SNA 58 AC 19 3.8 33 Show 16579-4108 KPP3007 37 6.0 35 Show 16541-4105 SNA 52 Aa,Ab 218 0.0 36 Show 16541-4105 SNA 52 AB 307 3.7 36 Show 16587-4009 LDS 576 56 26.3 39 Show 16589-4015 SNA 61 Aa,Ab 8 0.0 40 Show 16589-4015 SNA 61 AB 243 0.7 40 Show 16589-4015 SNA 61 AC 180 2.9 40 Show 16589-4015 SNA 61 AD 164 4.3 40 Show 16589-4015 SNA 61 AE 250 6.2 40 Show 16589-4015 SNA 61 AF 284 6.6 40 Show 16539-4115 RST1905 254 0.6 45 Show 16547-4121 TDS 843 91 1.1 45 Show 16523-4048 RST1903 313 1.2 47 Show 16521-4041 I 1599 22 1.0 48 Show 16567-3951 WG 194 86 7.5 50 Show 17003-4015 RST5423 308 1.1 54 Show 16596-4117 B 1839 AB 133 0.2 54 Show 16596-4117 B 1839 AB,C 326 8.6 54 Show 16548-3950 SHN 216 -1 0.5 54 Show 16526-4122 CPO 496 239 5.1 59 Show 16540-3944 SHN 215 -1 0.1 62 Show 16576-3939 RST1915 273 1.8 63 Show 16525-4126 CPO 495 85 4.4 64 Show 16542-4139 SNA 53 Aa,Ab 1 0.0 64

	A	Ab	B
Ab	pa=289.2° sep=0.02"
B	pa=316.1° sep=0.22"	pa=318.9° sep=0.20"
C	pa=151.2° sep=1.35"	pa=150.6° sep=1.37"	pa=149.1° sep=1.56"

Coord arcsec 2000	165615.03-403935.8		Mag	7.02		Spectral class	O7V (blue)		PmRA	2.00
PmDE	-3.0		SAO	227464		HIP	82876		Tycho2	7872-00879-1
HD	152623		GC	22804		CD	CD-4010961		CP	CP-40 7630

Tycho2	7872-00879-1		Pflag			RAmdeg	254.06260923		DEmdeg	-40.65993291
PmRA	-0.9		PmDE	0.5		E RAmdeg	4		E DEmdeg	5
E pmRA	1.1		E pmDE	1.1		EpRAm	1991.44		EpDEm	1991.11
Num	14		Q RAmdeg	1.0		Q DEmdeg	1.0		Q pmRA	1.0
Q pmDE	0.9		BTmag	6.771		E BTmag	0.015		VTmag	6.735
E VTmag	0.011		Prox	466		TYC	T		HIP	82876
CCDM	AB		RAdeg	254.06261194		DEdeg	-40.65993417		EpRA 1990	1.79
EpDE 1990	1.64		E RAdeg	4.4		E DEdeg	5.2		Posflg	P
Corr	0.0

SAO	227464		DelFlag			RA1950			PmRA1950	-0.001
DE1950			PmDE1950	-0.01		Vmag	7		SpType	B3
Double code			Source	70		CatNum	22804		DM	CD-4010961
DMcomp	A		BDsup			HD	152623		M HD	0
GC	22804		RA1950rad	4.4190442		DE1950rad	-0.7082817		PmRA2000	-0.001
PmDE2000	-0.009

Catalog	H		HIP	82876		Proxy	H		RAhms	16 56 15.03
DEdms	-40 39 35.8		Vmag	6.7		VarFlag			R Vmag	H
RAdeg	254.063		DEdeg	-40.6599		AstroRef	*		Plx	-2.02
CCDM	16563-4040		N CCDM	H		Nsys	1		Ncomp	2
MultFlag	C		Source			Qual	A		M HIP	AB
Theta	315		Rho	0.23		HD	152623		BD
CD	CD-4010961		CP	CP-40 7630		Dm number	-4010961		VIred	0.04
SpType	O7		R SpType			Coord arcsec 2000	165615.03-403935.8

HIP	82876		Sn	55		So	3		Nc	2
RArad	4.4342291492		DErad	-0.7096497266		Plx	-0.72		PmRA	5.02
PmDE	-5.11		E RArad	0.87		E DErad	0.66		E Plx	1.01
E pmRA	0.98		E pmDE	0.73		Hpmag	6.7237		E Hpmag	0.0024
SHp	0.012		VA	0		BV	0.045		E BV	0.01
VI	0.06

Ccdm	16563-4040		RComp			Comp	A		Note1
Note2			Discov num			DRAs	-2.96		DDEs	24.2
R dRAs	82		Year			Theta			Rho
Obs	2		Vmag	7.0		Sp	O7		PmNote	*
PmRA	2		PmDE	-3		Dm number	-4010961		Cat1	CD
Name2	227464		Cat2	SAO		HD	152623		M HD
ADS BDS			M ADS BDS			N IDS			IDS
HIC	82876

Coord arcsec 2000

165615.03-403935.8

Mag

7.6

Calc delta mag

0.8

Calc coord

yes

Coord arcsec 2000

165615.02-403935.6

Mag

8.29

Calc delta mag

1.49

Calc coord

yes

Ccdm	16563-4040		RComp			Comp	B		Note1
Note2			Discov num	HDS		DRAs	-2.98		DDEs	24.3
R dRAs	82		Year	1991		Theta	315		Rho	0.2
Obs	1		Vmag	8.3		Sp			PmNote	*
PmRA	2		PmDE	-3		Dm number			Cat1
Name2			Cat2			HD			M HD
ADS BDS			M ADS BDS			N IDS			IDS
HIC	82876

Coord arcsec 2000

165615.09-403937.0

Mag

9.89

Calc delta mag

3.09

Calc coord

yes