07351+3058 STT 175 AB

Coord 2000	07351+3058		Discov num	STT 175		Comp	AB		Coord arcsec 2000	07 35 08.79 +30 57 39.3
Date first	1842		Date last	2015		Obs	199
Pa first	331		Pa last	347.7		P.A. Now (θ)	337.6°
Sep first	0.5		Sep last	0.06		Sep. Now (ρ)	0.155"
Mag pri	6.08		Mag sec	6.49		delta mag (ΔM)	0.41		Spectral class	K0III (yellow-orange)
Pri motion ra	-027		Sec motion ra
Pri motion dec	+008		Sec motion dec
Notes	N O (See Notes, Orbital solution)

This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		60204	07 35 09 +30 57 39	STT 175 AB	2015	199	348	0.1	6.08	6.49	0.41	Y	<===
Show	HD 60318	60204	07 35 09 +30 57 39	STT 175 AB,C	2011	12	193	82.5	5.46	10.39	4.93

Triple system
4 estimated visually detectable stars in this system

Constellation	Gemini		SAO	60204		HIP	36896		Tycho2	2453-01917-1
Gaia DR2	879873945221537024		HD	60318		HR	2896		GC	10137
ADS	6185		BD	BD+31 1620		Distance	114.16		Distance ly	372.39

Period (P)	213.368y	± 3.003	Periastron (T)	44117m (1979.665y)	± 93	Semi-major axis (a)	0.5554a	± 0.0075
Eccentricity (e)	0.6756	± 0.0051	Inclination (i)	91.788°	± 0.042	Longitude of periastron (ω)	137.5°	± 1.1
Node (Ω)	329.89°	± 0.14	Notes	n		Reference	Mut2010d
Equinox	2000		Last observation	2005		Grade	3	(1=Definitive, 9=Indet.)

label theta rho 2000 143.7 0.120 2001 142.7 0.108 2002 141.6 0.097 2003 140.2 0.086 2004 138.3 0.074 2005 135.7 0.063 2006 132.0 0.051 2007 126.2 0.040 2008 116.2 0.030 2009 97.0 0.021 2010 62.4 0.017 2011 27.3 0.021 2012 7.5 0.029 2013 357.2 0.040 2014 351.3 0.051 2015 347.5 0.062 2016 344.9 0.074 2017 343.0 0.085 2018 341.6 0.097 2019 340.4 0.109 2020 339.5 0.120 2021 338.8 0.132 2022 338.1 0.143 2023 337.6 0.155 2024 337.1 0.166 2025 336.7 0.177 2026 336.4 0.189 2027 336.0 0.200 2028 335.8 0.211 2029 335.5 0.222 2030 335.3 0.233		Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic

Identifier	07351+3058 STT 175 B
coord_arcsec_2000	073508.80+305739.3

Period (P)	727.9d	± 8.6	Periastron (T)	53876m (2006.385y)	± 19	Semi-major axis (a)	0.00263a	± 0.00017
Eccentricity (e)	0.339	± 0.074	Inclination (i)	86.2°	± 1.6	Longitude of periastron (ω)	338.6°	± 6.6
Node (Ω)	158.5°	± 2.8	Notes	n		Reference	Mut2010d
Equinox	2000		Last observation	2005		Grade	9	(1=Definitive, 9=Indet.)

label theta rho 2000-01-01 342.5 0.002 2001-01-01 331.2 0.001 2002-01-01 342.6 0.002 2003-01-01 331.4 0.001 2004-01-01 342.8 0.002 2005-01-01 331.7 0.002 2006-01-01 343.0 0.002 2007-01-01 331.9 0.002 2008-01-01 343.2 0.002 2009-01-01 332.1 0.002 2010-01-01 343.4 0.002 2011-01-01 332.3 0.002 2012-01-01 343.6 0.002 2013-01-01 332.5 0.002 2014-01-01 343.9 0.001 2015-01-01 332.7 0.002 2016-01-01 344.1 0.001 2017-01-01 332.8 0.002 2018-01-01 344.4 0.001 2019-01-01 333.0 0.002 2020-01-01 344.7 0.001 2021-01-01 333.2 0.002 2022-01-01 345.1 0.001 2023-01-01 333.3 0.002 2024-01-01 345.5 0.001 2025-01-01 333.5 0.002 2026-01-01 345.9 0.001 2027-01-01 333.6 0.002 2028-01-01 346.4 0.001 2029-01-01 333.7 0.002 2030-01-01 346.9 0.001		Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic

discov_num	notes	refcode
STT 175	AB: Using the Hipparcos parallax, the mass sum is found to be 3.00 +/-
	0.98 Msun; mass assumed equally divided between A and B components.	Mut2010d
HR 2896	Ba,Bb: Close pair seen as trend in solution of AB pair. Impossible to
	tell which component of AB pair contains the astrometric subsystem;
	selection of the secondary was arbitrary. Estimated masses are 1.3 and
	0.2 Msun. The low-mass companion is likely an M dwarf in either a
	nearly planar or anti-planar orbit to the wide binary.	Mut2010d

refcode	metd	author	reference
Mut2010d	Kp -	Muterspaugh, M.W., Fekel, F.C., Lane, B.F., Hartkopf, W.I., Kulkarni, S.R.,	2010AJ....140.1646M
Mut2010d	+orb	Konacki, M., Burke, B.F., Colavita, M.M., Shao, M., & Williamson, M.
Mut2010d		AJ 140, 1646, 2010

idgroup	discov	author
1	STT	Struve, O.

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
07351+3058	STT 175	AB	2002	179	148	0.1	6.08	6.49	K0III	NOD	073508.80+305739.3
07351+3058	STT 175	AB	2005	197	133	0.1	6.08	6.49	K0III	NOD	073508.80+305739.3
07351+3058	STT 175	AB	2015	199	348	0.1	6.08	6.49	K0III	NO	073508.79+305739.3

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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 07351+3058 STT 175 AB 348 0.1 Show 07351+3058 STT 175 AB,C 193 82.5 Show 07330+3107 RAS 4 271 0.3 30 Show 07346+3153 STF1110 CD 244 154.9 55 Show Castor 07346+3153 STF1110 AB 53 5.4 57 Show Castor 07346+3153 STF1110 AC 164 71.6 57 Show Castor 07346+3153 STF1110 AD 221 179.8 57 Show Castor 07346+3153 CIA 29 Aa,Ab 293 0.0 57 Show 07346+3153 STF1110 BC 168 73.8 57 Show 07346+3153 CIA 29 Ba,Bb 302 0.0 57 Show 07309+3034 A 673 AB 358 0.4 60 Show 07309+3034 DOM 1 AB,C 115 88.4 60 Show 07308+3033 COU1246 187 1.7 62 Show 07300+3103 UC 1587 224 48.2 67 Show 07318+3151 COU1414 188 2.0 69 Show 07294+3034 BRT 243 218 4.3 79 Show 07283+3100 CBL 235 296 9.4 88 Show 07281+3103 GRV 736 213 35.6 91 Show 07343+2927 KPP 162 156 4.7 92 Show 07291+3147 A 2124 AB 272 1.2 92 Show 07291+3147 A 2124 AC 285 221.6 92 Show 07291+3147 ALC 3 AE 355 755.4 92 Show 07291+3147 A 2124 CD 271 102.1 96 Show 07366+2920 BRT 244 167 5.5 99 Show 07291+3147 ALC 7 EF -1 2.8 100 Show 07286+3152 HDS1053 328 0.2 100 Show 07315+2928 UC 1591 285 38.9 102 Show 07410+2947 KPP1120 359 8.8 104 Show 07271+3117 COU1245 95 0.3 106 Show 07269+3054 SEI 479 41 15.0 107 Show 07364+2911 SKF1568 288 1.0 108 Show 07362+3250 UC 1599 324 55.2 114 Show 07388+2915 SKF1619 214 1.2 114 Show 07267+3137 STT 171 138 1.0 116 Show 07332+3252 BU 22 AB 151 6.3 117 Show 07332+3252 WAL 53 AC 61 44.4 117 Show 07442+3118 UC 1609 327 14.4 119 Show 07444+3110 SEI 480 211 22.3 121 Show 07310+2910 TDS4885 284 0.4 121 Show 07326+2901 UC 1594 13 34.0 121 Show 07446+3107 A 674 125 1.1 123 Show 07363+2853 SKF1567 1 1.1 126 Show 07304+3252 UC 1588 227 21.5 130 Show 07344+3307 BU 579 AB 215 0.9 131 Show 07344+3307 STT 173 AC 234 18.7 131 Show 07344+3307 STT 173 AD 350 46.0 131 Show 07268+3221 COU1413 131 0.4 136 Show 07451+3014 KU 95 AB 60 41.8 136 Show 07451+3014 SIN 30 AC 275 123.2 136 Show 07451+3014 SIN 30 AD 88 234.4 136 Show 07345+2841 COU1110 AB 308 3.3 137

	A	B
B	pa=349.4° sep=0.06"
C	pa=191.5° sep=81.88"	pa=191.4° sep=81.94"

Coord arcsec 2000	073508.79+305739.3		Mag	6.08		Spectral class	K0III (yellow-orange)		PmRA	-27.00
PmDE	8.0		SAO	60204		HIP	36896		Tycho2	2453-01917-1
HD	60318		HR	2896		GC	10137		BD	BD+31 1620

Tycho2	2453-01917-1		Pflag			RAmdeg	113.78665939		DEmdeg	30.96093371
PmRA	-28.0		PmDE	10.0		E RAmdeg	4		E DEmdeg	4
E pmRA	1.0		E pmDE	1.1		EpRAm	1991.49		EpDEm	1991.45
Num	13		Q RAmdeg	1.0		Q DEmdeg	1.2		Q pmRA	1.2
Q pmDE	1.1		BTmag	6.641		E BTmag	0.015		VTmag	5.460
E VTmag	0.010		Prox	824		TYC	T		HIP	36896
CCDM	AB		RAdeg	113.78673444		DEdeg	30.96091056		EpRA 1990	1.72
EpDE 1990	1.66		E RAdeg	3.8		E DEdeg	4.1		Posflg	P
Corr	0.1

SAO	60204		DelFlag			RA1950			PmRA1950	-0.0025
DE1950			PmDE1950	0.01		Vmag	5.3		SpType	K0
Double code			Source	70		CatNum	10137		DM	BD+31 1620
DMcomp			BDsup			HD	60318		M HD	0
GC	10137		RA1950rad	1.97209524		DE1950rad	0.54229794		PmRA2000	-0.0026
PmDE2000	0.013

Catalog	H		HIP	36896		Proxy	H		RAhms	07 35 08.82
DEdms	+30 57 39.3		Vmag	5.34		VarFlag			R Vmag	H
RAdeg	113.787		DEdeg	30.9609		AstroRef	*		Plx	10.78
CCDM	07351+3057		N CCDM	I		Nsys	1		Ncomp	2
MultFlag	C		Source	S		Qual	A		M HIP	AB
Theta	150		Rho	0.198		HD	60318		BD	BD+31 1620
CD			CP			Dm number	+31 1620		VIred	0.99
SpType	K0III		R SpType			Coord arcsec 2000	073508.82+305739.3

HIP	36896		Sn	55		So	3		Nc	2
RArad	1.985953208		DErad	0.5403698277		Plx	8.76		PmRA	-24.31
PmDE	5.62		E RArad	0.7		E DErad	0.57		E Plx	0.78
E pmRA	0.82		E pmDE	0.62		Hpmag	5.5097		E Hpmag	0.0006
SHp	0.005		VA	0		BV	1.01		E BV	0
VI	0.99

Coord arcsec 2000

073508.79+305739.4

Mag

6.49

Calc delta mag

0.41

Calc coord

yes

Coord arcsec 2000	073507.53+305619.1		Mag	10.39		PmRA	-1.00		PmDE	-11.0
Calc delta mag	4.31		Calc coord	yes