21552-6153 CVN 31 DF

Coord 2000	21552-6153		Discov num	CVN  31		Comp	DF		Coord arcsec 2000	21 52 09.72 -62 03 08.5
Date first	2005		Date last	2005		Obs	1
Pa first	33		Pa last	33.1		P.A. Now (θ)	33.1°
Sep first	11.1		Sep last	11.094		Sep. Now (ρ)	11.094"
Mag pri	6.03		Mag sec	20.50		delta mag (ΔM)	14.47		Spectral class	F6V (yellow-white)
Pri motion ra	+044		Sec motion ra
Pri motion dec	-092		Sec motion dec
Notes	N W 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		255101	21 55 11 -61 53 11	HDO 296 AB	2021	57	271	0.1	6.60	6.80	0.20	Y
Show		255101	21 55 11 -61 53 11	CVN 31 AC	2007	3	158	5.0	5.96
Show	HD 207964	255101	21 55 11 -61 53 11	SHY 348 AD	2010	6	245	999.9	5.96	7.28	1.32
Show		255101	21 55 11 -61 53 11	SHY 348 AE	2000	3	306	999.9	5.96	11.69	5.73
Show		255101	21 55 11 -61 53 11	CVN 31 AF	2007	2	191	12.9	4.91	15.30	10.39
Show		255093	21 52 10 -62 03 08	SHY 347 DE	2015	4	320	999.9	7.28	11.69	4.41
Show		255093	21 52 10 -62 03 08	CVN 31 DF	2005	1	33	11.1	6.03	20.50	14.47		<===

Sextuple system
6 estimated visually detectable stars in this system

Constellation	Indus		SAO	255093		HIP	107947		Tycho2	9116-00257-1
Gaia DR2	6408937971321777152		HD	207575		CP	CP-62 6271		Distance	45.33
Distance ly	147.87

discov_num	notes	refcode
HDO 296	AB: Malkov et al. (2012) derive dynamical, photometric, and
	spectroscopic masses 2.69 +/- 0.39, 2.32, and 1.64 Msun, respectively.	Mlk2012
SHY 348	AD: HIP 108195 + HIP 107947.
	Also known as CAB 7.	Cab2011
SHY 348	AE: HIP 108195 + HIP 107345.
SHY 347	DE: HIP 107947 + HIP 107345.

refcode	metd	author	reference
Cab2011	E2 j	Alonso-Floriano, F.J., Caballero, J.A. & Montes, D.	2011sca..conf..344A
Cab2011	+P	Stellar Clusters & Associations: A RIA Workshop on Gaia, 2011, 344
Cab2011	+H+
Mlk2012	not -	Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A.	2012A&A...546A..69M
Mlk2012		A&A 546, A69, 2012

idgroup	discov	author
1	CVN	Chauvin, G., Menard, F., Fusco, T., Lagrange, A.-M., Beuzit, J.-L., Mouillet, D.,
1	CVN	& Augereau, J.-C.
2	CVN	Chauvin, G., Thomson, M., Dumas, C., Beuzit, J.-L., Lowrance, P., Fusco, T.,
2	CVN	Lagrange, A.-M., Zuckerman, B., et al.
3	CVN	Chauvin, G., Lagrange, A.-M., Beust, H., Fusco, T., Mouillet, D., Lacombe, F.,
3	CVN	Pujet, P., Rousset, G., et al.
4	CVN	Chauvin, G., Lagrange, A.-M., Dumas, C., Zuckerman, B., Mouillet, D., Song, I.,
4	CVN	Beuzit, J.-L., & Lowrance, P.
5	CVN	Chauvin, G., Lagrange, A.-M., Lacombe, F., Dumas, C., Mouillet, D., Zuckerman, B.,
5	CVN	Gendron, E., Song, I., et al.
6	CVN	Chauvin, G., Lagrange, A.-M., Dumas, C., Zuckerman, B., Mouillet, D., Song, I.,
6	CVN	Beuzit, J.-L., & Lowrance, P.
7	CVN	Chauvin, G., Lagrange, A.-M., Zuckerman, B., Dumas, C., Mouillet, D., Song, I.,
7	CVN	Beuzit, J.-L., Lowrance, P., & Bessell, M.S.
8	CVN	Chauvin, G., Lagrange, A.-M., Udry, S., Fusco, T., Galland, F., Naef, D., Beuzit,
8	CVN	J.-L., & Mayor, M.
11	CVN	Chauvin, G., Lagrange, A.-M., Zuckerman, B., Dumas, C., Bessell, M.S., Beuzit,
11	CVN	J.-L., Bonnefoy, M., Desidera, S., et al.
15	CVN	Chauvin, G., Faherty, J., Boccaletti, A., Cruz, K., Lagrange, A., Zuckerman, B.,
15	CVN	Bessell, M.S., Beuzit, J.-L., Bonnefoy, M., Dumas, C., Lowrance, P., & Song, I.
16	CVN	Chauvin, G., Lagrange, A.-M., Beust, H., Bonnefoy, M., Boccaletti, A., Apai, D.,
16	CVN	Allard, F., Ehrenreich, D., Girard, J.H.V., Mouillet, D., & Rouan, D.
17	CVN	Chauvin, G., Vigan, A., Bonnefoy, M., Desidera, S., Bonavita, M., Mesa, D.,
17	CVN	Boccaletti, A., Buenzli, E., Carson, J., Delorme, P., Hagelberg, J.,
17	CVN	Montagnier, G., et al.
18	HDO	Harvard Obs.
27	SHY	Shaya, E.J. & Olling, R.

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21552-6153	CVN 31	DF	2005	1	33	11.1	6.03	20.50	F6V	K	215209.72-620308.5

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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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