10475-2221 LAF 41 AB

Coord 2000	10475-2221		Discov num	LAF  41		Comp	AB		Coord arcsec 2000	10 47 31.23 -22 20 52.7
Date first	2005		Date last	2005		Obs	1
Pa first	332		Pa last	332.3		P.A. Now (θ)	332.3°
Sep first	4.8		Sep last	4.82		Sep. Now (ρ)	4.82"
Mag pri	6.60		Mag sec	20.80		delta mag (ΔM)	14.2		Spectral class	K0V (yellow-orange)
Pri motion ra	-123		Sec motion ra
Pri motion dec	-029		Sec motion dec
Notes	N K (See Notes, 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 Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		179229	10 47 31 -22 20 53	LAF 41 AB	2005	1	332	4.8	6.60	20.80	14.20		<===
Show	HD 93528	179229	10 47 31 -22 20 53	SHY 218 AC	2017	9	340	230.9	8.44	10.10	1.66

Triple system
3 estimated visually detectable stars in this system

Constellation	Hydra		SAO	179229		HIP	52787		Tycho2	6081-00065-1
Gaia DR2	3550081879381593728		HD	93528		BD	BD-21 3154		Distance	34.48
Distance ly	112.47

discov_num	notes	refcode
SHY 218	AC: HIP 52787 + HIP 52776.

refcode	metd	author	reference
Laf2007	A j	Lafreniere, D., Doyon, R., Marois, C., Nadeau, D., Oppenheimer, B.R., Roche, P.F.,	2007ApJ...670.1367L
Laf2007	+C	Rigaut, F., Graham, J.R., et al.
Laf2007		ApJ 670, 1367, 2007
Laf2008	A j	Lafreniere, D., Jayawardhana, R., Brandeker, A., Ahmic, M., & van Kerkwijk, M.H.	2008ApJ...683..844L
Laf2008	+Hp	ApJ 683, 844, 2008
Laf2008b	A j	Lafreniere, D., Jayawardhana, R., & van Kerkwijk, M.H.	2008ApJ...689L.153L
Laf2008b		ApJ 689, L153, 2008
Laf2009	Hn u	Lafreniere, D., Marois, C., Doyon, R., & Barman, T.	2009ApJ...694L.148L
Laf2009		ApJ 694, L148, 2009
Laf2010	A u	Lafreniere, D., Jayawardhana, R., & van Kerkwijk, M.H.	2010ApJ...719..497L
Laf2010		ApJ 719, 497, 2010
Laf2011	A u	Lafreniere, D., Jayawardhana, R., Janson, M., Helling, C., Witte, S., &	2011ApJ...730...42L
Laf2011		Hauschildt, P.
Laf2011		ApJ 730, 42, 2011
Laf2011		(photometry of both components based on 2MASS PSC plus their contrast measures)
Laf2014	A j	Lafreniere, D., Jayawardhana, R., van Kerkwijk, M.H., Brandeker, A., & Janson, M.	2014ApJ...785...47L
Laf2014	+Al	ApJ 785, 47, 2014
Shy2011	-	Shaya, E.J. & Olling, R.	2011ApJS..192....2S
Shy2011		ApJS 192, 2, 2011
Shy2011		(Statistical analysis of probability that wide Hipparcos pairs are physical. Pairs
Shy2011		added to WDS only if probability 90% or greater.)

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
10475-2221	LAF 41	AB	2005	1	332	4.8	8.39	23.00	K0V	D	104731.23-222052.7

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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
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Show name coord_2000 discov# comp pa sep dist(') Show 10475-2221 LAF 41 AB 332 4.8 Show 10475-2221 SHY 218 AC 340 230.9 Show 10485-2223 RST2710 230 0.6 16 Show 10465-2250 CVR 574 200 10.8 32 Show 10453-2243 DON1090 151 4.5 38 Show 10454-2249 ARA1784 265 8.4 40 Show 10503-2234 LDS4024 59 10.5 42 Show 10518-2229 RST2716 226 2.3 60 Show 10520-2211 RST2717 132 1.2 63 Show 10454-2121 DON 433 92 2.3 67 Show 10522-2248 ARA1785 145 8.1 70 Show 10512-2131 HO 375 176 12.4 72 Show 10516-2115 BU 1428 186 45.3 88 Show 10539-2223 BRT1483 113 3.9 88 Show 10407-2207 UC 1973 353 14.3 96 Show 10514-2341 B 205 90 4.4 97 Show 10536-2308 LDS 318 239 24.5 97 Show 10410-2301 ARA1782 66 11.6 100 Show 10432-2101 HLD 109 133 2.1 101 Show 10454-2357 TDS7455 88 0.6 101 Show 10434-2346 ARA2165 7 13.7 104 Show 10514-2053 CVR 108 157 13.4 104 Show 10537-2321 DON 445 289 7.8 105 Show 10552-2225 ARA1475 203 7.5 107 Show 10532-2335 B 1173 139 0.9 109 Show 10478-2411 SKF1470 325 3.2 111 Show 10541-2333 LDS 320 252 31.9 116 Show 10459-2025 ARA 672 270 7.4 118 Show 10530-2045 RST3719 46 0.8 123 Show 10540-2055 UC 2020 68 33.6 125 Show 10558-2314 ARA1786 192 12.8 126 Show 10566-2202 TDS7564 299 0.7 129 Show 10384-2153 ARA1473 13.3 130 Show 10484-2014 LDS 315 296 25.9 130 Show 10475-2431 TDS7474 55 2.6 131 Show 10466-2435 LDS4015 266 49.6 135 Show 10561-2108 S 618 38 79.5 140 Show 10377-2300 ARA1781 125 5.7 142 Show 10577-2157 SLW 545 79 146.0 144 Show 10564-2335 DON 448 207 0.7 144 Show 10497-2443 WIS 174 119 112.6 146 Show 10507-2002 RST3715 324 2.0 146 Show 10538-2420 B 206 259 1.8 147 Show 10382-2109 DON 426 240 2.8 149 Show 10381-2333 LDS4003 AB 347 49.3 149 Show 10485-1948 ARA 673 136 14.4 154 Show 10535-2008 HO 533 BC 132 13.7 155 Show 10535-2008 HO 533 BD 297 40.5 155 Show 10402-2419 TVB 230 168 1.8 155 Show 10410-2014 ARA 671 55 10.4 156 Show 10535-2008 BU 1429 AB 222 119.6 157

	A	B
B	pa=334.1° sep=4.74"
C	pa=341.2° sep=228.91"	pa=341.4° sep=224.20"

Coord arcsec 2000	104731.23-222052.7		Mag	6.6		Spectral class	K0V (yellow-orange)		PmRA	-123.00
PmDE	-29.0		SAO	179229		HIP	52787		Tycho2	6081-00065-1
HD	93528		BD	BD-21 3154

Tycho2	6081-00065-1		Pflag			RAmdeg	161.87981103		DEmdeg	-22.34802961
PmRA	-123.5		PmDE	-27.3		E RAmdeg	7		E DEmdeg	9
E pmRA	1.3		E pmDE	1.2		EpRAm	1990.99		EpDEm	1990.21
Num	12		Q RAmdeg	0.6		Q DEmdeg	0.9		Q pmRA	0.6
Q pmDE	1.0		BTmag	9.403		E BTmag	0.021		VTmag	8.444
E VTmag	0.014		Prox	999		TYC	T		HIP	52787
CCDM			RAdeg	161.88011361		DEdeg	-22.34796639		EpRA 1990	1.83
EpDE 1990	1.71		E RAdeg	7.2		E DEdeg	9.0		Posflg
Corr	0.0

SAO	179229		DelFlag			RA1950			PmRA1950	-0.0096
DE1950			PmDE1950	-0.006		Vmag	8.4		SpType	K0
Double code			Source	23		CatNum	4764		DM	BD-21 3154
DMcomp			BDsup			HD	93528		M HD	0
GC			RA1950rad	2.81481229		DE1950rad	-0.38542745		PmRA2000	-0.0094
PmDE2000	-0.001

Catalog	H		HIP	52787		Proxy			RAhms	10 47 31.23
DEdms	-22 20 52.7		Vmag	8.39		VarFlag	1		R Vmag	H
RAdeg	161.88		DEdeg	-22.348		AstroRef			Plx	28.68
CCDM			N CCDM			Nsys			Ncomp	1
MultFlag			Source			Qual			M HIP
Theta			Rho			HD	93528		BD	BD-21 3154
CD			CP			Dm number	-21 3154		VIred	0.82
SpType	K0V		R SpType			Coord arcsec 2000	104731.23-222052.7

HIP	52787		Sn	5		So	0		Nc	1
RArad	2.825341375		DErad	-0.3900455481		Plx	29		PmRA	-123.96
PmDE	-28.18		E RArad	0.76		E DErad	0.52		E Plx	0.85
E pmRA	0.86		E pmDE	0.8		Hpmag	8.5309		E Hpmag	0.0027
SHp	0.022		VA	0		BV	0.831		E BV	0.017
VI	0.85

Coord arcsec 2000

104731.08-222048.4

Mag

20.8

Calc delta mag

14.2

Calc coord

yes

Coord arcsec 2000	104725.91-221716.0		Mag	10.1		Spectral class	K4.5V (yellow-orange)		PmRA	-125.00
PmDE	-30.0		HIP	52776		Tycho2	6081-00020-1		BD	BD-21 3153
Calc delta mag	3.5		Calc coord	yes

Tycho2	6081-00020-1		Pflag			RAmdeg	161.85577403		DEmdeg	-22.28670446
PmRA	-126.7		PmDE	-27.5		E RAmdeg	23		E DEmdeg	30
E pmRA	2.7		E pmDE	2.9		EpRAm	1990.12		EpDEm	1989.29
Num	5		Q RAmdeg	1.1		Q DEmdeg	0.9		Q pmRA	1.1
Q pmDE	0.9		BTmag	11.548		E BTmag	0.076		VTmag	10.096
E VTmag	0.034		Prox	999		TYC	T		HIP	52776
CCDM			RAdeg	161.85608278		DEdeg	-22.28663972		EpRA 1990	1.86
EpDE 1990	1.65		E RAdeg	24.5		E DEdeg	32.7		Posflg
Corr	0.0

Catalog	H		HIP	52776		Proxy			RAhms	10 47 25.47
DEdms	-22 17 11.9		Vmag	9.91		VarFlag			R Vmag	H
RAdeg	161.856		DEdeg	-22.2866		AstroRef			Plx	30.57
CCDM			N CCDM			Nsys			Ncomp	1
MultFlag			Source			Qual			M HIP
Theta			Rho			HD			BD	BD-21 3153
CD			CP			Dm number	-21 3153		VIred	1.12
SpType	K5V		R SpType			Coord arcsec 2000	104725.47-221711.9

HIP	52776		Sn	5		So	0		Nc	1
RArad	2.824922061		DErad	-0.3889752955		Plx	30.64		PmRA	-126.06
PmDE	-30.31		E RArad	1.35		E DErad	0.81		E Plx	1.39
E pmRA	1.44		E pmDE	1.16		Hpmag	10.0431		E Hpmag	0.0027
SHp	0.023		VA	0		BV	1.155		E BV	0.015
VI	1.12