01321+1657 GAA 19 Aa,Ab

Coord 2000	01321+1657		Discov num	GAA  19		Comp	Aa,Ab		Coord arcsec 2000	01 32 03.12 +16 56 50.0
Date first	2020		Date last	2022		Obs	10
Pa first	137		Pa last	91.4		P.A. Now (θ)	91.4°
Sep first	0.0		Sep last	0.002		Sep. Now (ρ)	0.002"
Mag pri	5.10		Mag sec	6.00		delta mag (ΔM)	0.9		Spectral class	K0III (yellow-orange)
Pri motion ra	+122		Sec motion ra
Pri motion dec	-196		Sec motion dec
Notes	N O K (See Notes, Orbital solution, 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.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		92492	01 32 03 +16 56 50	GAA 19 Aa,Ab	2022	10	91	0.0	5.10	6.00	0.90	Y	<===
Show	HD 9312	92492	01 32 03 +16 56 50	STF 132 AB	2015	59	342	63.8	6.88	10.61	3.73
Show		92492	01 32 03 +16 56 50	STF 132 AC	2015	24	249	67.7	6.89	11.59	4.70
Show		92492	01 32 03 +16 56 50	STF 132 AD	2014	17	109	114.5	6.88	11.44	4.56
Show		92492	01 32 03 +16 56 50	STF 132 AE	2016	4	307	11.0	6.88	14.10	7.22
Show			01 32 11 +16 56 11	STF 132 DF	2017	14	289	5.2	11.44	12.20	0.76

Septuple system
6 estimated visually detectable stars in this system

Constellation	Pisces		SAO	92492		HIP	7143		Tycho2	1198-01596-1
HD	9312		ADS	1202		BD	BD+16 167		Distance	57.74
Distance ly	188.35

Identifier	01321+1657 STF 132 A
coord_arcsec_2000	013203.12+165650.0

Period (P)	36.5192d	± 0.0001	Periastron (T)	54094.832d (2006.982y)	± 0.008	Semi-major axis (a)	3m
Eccentricity (e)	0.1429	± 0.0003	Inclination (i)	65.4°	± 13.3	Longitude of periastron (ω)	203.34°	± 0.07
Node (Ω)	47.5°	± 11.4	Notes	n		Reference	WaX2015b
Equinox			Last observation			Grade	9	(1=Definitive, 9=Indet.)

label theta rho 2000-01-01 340.9 0.001 2001-01-01 342.0 0.001 2002-01-01 343.1 0.001 2003-01-01 344.2 0.001 2004-01-01 345.3 0.001 2005-01-01 346.3 0.001 2006-01-01 347.4 0.001 2007-01-01 348.4 0.001 2008-01-01 349.4 0.001 2009-01-01 350.3 0.001 2010-01-01 351.3 0.001 2011-01-01 352.2 0.001 2012-01-01 353.2 0.001 2013-01-01 354.1 0.001 2014-01-01 354.9 0.001 2015-01-01 355.8 0.001 2016-01-01 356.7 0.001 2017-01-01 357.5 0.001 2018-01-01 358.3 0.002 2019-01-01 359.1 0.002 2020-01-01 359.9 0.002 2021-01-01 0.7 0.002 2022-01-01 1.4 0.002 2023-01-01 2.1 0.002 2024-01-01 2.9 0.002 2025-01-01 3.6 0.002 2026-01-01 4.3 0.002 2027-01-01 5.0 0.002 2028-01-01 5.6 0.002 2029-01-01 6.3 0.002 2030-01-01 6.9 0.002		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
STF 132	A is a spectroscopic binary, P = 36.6d.
	A: SB2. Combined orbit including RV data and Hipparcos Intermediate
	Astrometric data. Semimajor axis derived from photocentric a0 plus
	stellar evolutionary model. Derived properties for A and B:
	M/Msun = 1.14 + 1.02, L/Lsun = 5.40 + 1.41, dm = 1.46 mag,
	log age = 9.86.	WaX2015b
	Improved SB2 orbit for the unresolved pair.	Kie2018
	A: Teff = 5367 +/- 166 K, B: Teff = 5150 +/- 228.
	AB: H 4 130.	MEv2010
	AB, AC, and AD: Optical pairs, based on study of relative motion of
	the components using the method of apparent motion parameters.	Kiy2008
	AC: Rectilinear solution by Hurowitz et al. (2013).	USN2013a

refcode	metd	author	reference
Kie2018	orb -	Kiefer, F., Halbwachs, J.-L., Lebreton, Y., Soubiran, C., Arenou, F., Pourbaix, D.,	2018MNRAS.474..731K
Kie2018	+not	Famaey, B., Guillout, P., Ibata, R. & Mazeh, T.
Kie2018		MNRAS 474, 731, 2018
Kiy2008	-	Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S.	2008SvAL...32..405K
Kiy2008		SvAL 34, 405, 2008
MEv2010	-	MacEvoy, B.	...................
MEv2010		private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
USN2013a	lin -	Hurowitz, J.L., Hartkopf, W.I., & Mason, B.D.	2013IAUDS.181....1H
USN2013a		Inf. Circ. 181, 1, 2013
WaX2015b	orb -	Wang, X., Ren, S., & Fu, Y.	2015AJ....150..110W
WaX2015b		AJ 150, 110, 2015

idgroup	discov	author
1	GAA	Gallenne, A., Merand, A., Kervella, P., Breitfelder, J., Le Bouquin, J.-B.,
1	GAA	Monnier,J.D., Gieren, W., Pilecki, B., & Pietryznski, G.
2	GAA	Gallenne, A., Kervella, P., Merand, A., Evans, N.R., Girard, J.H.V., Gieren, W., &
2	GAA	Pietryznski, G.
3	GAA	Gallenne, A., Merand, A., Kervella, P., Monnier, J.D., Schaefer, G.H., Baron, F.,
3	GAA	Breitfelder, J., Le Bouquin, J.-B., Roettenbacher, R.M., Gieren, W.,
3	GAA	Pietrzynski, G., McAlister, H., et al.
4	GAA	Gallenne, A., Pietrzynski, G., Graczyk, D., Konorski, P., Kervella, P.,
4	GAA	Merand, A., Gieren, W., Anderson, R.L., & Villanova, S.
5	GAA	Gallenne, A., Kervella, P., Evans, N.R., Proffitt, C.R., Monnier, J.D., Merand, A.,
5	GAA	Nelan, E., Winston, E., Pietrzynski, G., Schaefer, G., Gieren, W., Anderson, R.I.,
5	GAA	Borgniet, S., Kraus, S., Roettenbacher, R.M., Baron, F., Pilecki, B., Taormina, M.,
5	GAA	Graczyk, D., Mowlavi, N. & Eyer, L.
6	GAA	Gallenne, A., Pietrzynski, G., Graczyk, D., Pilecki, B., Storm, J., Nardetto, N.,
6	GAA	Taormina, M., Gieren, W., Tkachenko, A., Kervella, P., Merand, A. & Weber, M.
7	GAA	Gallenne, A., Kervella, P., Borgniet, S., Merand, A., Pietrzynski, G., Gieren, W.,
7	GAA	Monnier, J.D., Schaefer, G.H., Evans, N.R., Anderson,R.I., Baron, F.,
7	GAA	Roettenbacher, R.M. & Karczmarek, P.
8	GAA	Gallenne, A., Merand, A., Kervella, P., Graczyk, D., Pietrzynski, G., Gieren, W. &
8	GAA	Pilecki, B.
9	STF	Struve, F.G.W.

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01321+1657	GAA 19	Aa,Ab	2022	10	91	0.0	5.10	6.00	K0III	NO K	013203.12+165650.0

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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

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