06321+0458 MZA 20 DE

Coord 2000	06321+0458		Discov num	MZA  20		Comp	DE		Coord arcsec 2000	06 32 10.47 +04 57 59.8
Date first	1999		Date last	2011		Obs	3
Pa first	266		Pa last	261.7		P.A. Now (θ)	261.7°
Sep first	3.4		Sep last	3.67		Sep. Now (ρ)	3.67"
Mag pri	9.09		Mag sec	11.30		delta mag (ΔM)	2.21		Spectral class	O9V (blue)
Pri motion ra	+001		Sec motion ra
Pri motion dec	+005		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	HD 46180		06 32 07 +04 58 16	STF 927 AB	2019	18	85	5.1	9.16	10.30	1.14
Show			06 32 07 +04 58 16	SHT 3 AC	2015	7	11	12.7	9.16	15.46	6.30
Show		114018	06 32 07 +04 58 16	CLL 6 AD	2015	6	109	49.6	9.16	9.09	0.07
Show		114018	06 32 10 +04 57 60	FGS 6 Da,Db	2011	2	71	0.1	8.30	10.50	2.20
Show		114018	06 32 10 +04 57 60	MZA 20 DE	2011	3	262	3.7	9.09	11.30	2.21		<===

Sextuple system
5 estimated visually detectable stars in this system

Constellation	Monoceros		SAO	114018		Tycho2	0154-01521-1		Gaia DR2	3131336896034833536
HD	46202		DM	BD+05 1286

discov_num	notes	refcode
STF 927	AB: Incorrectly identified as H 2 37 in BDS. Error noted by MacEvoy.	McE2010
	Algol-type eclipsing binary, P = 3.094 d.	Zas2011

refcode	metd	author	reference
Zas2011	-	Zasche, P.	...................
Zas2011		private communication, 2011

idgroup	discov	author
1	CLL	Comellas, J.L.
2	FGS	HST Fine Guide Sensor
2	FGS	Aldoretta, E.J., Caballero-Nieves, S.M., Gies, D.R., Nelan, E.P., Wallace, D.J.,
2	FGS	Hartkopf, W.I., Henry, T.J., Jao, W.-C., Maiz Apellaniz, J., Mason, B.D.,
2	FGS	Moffat, A.F.J., Norris, R.P., Richardson, N.D., & William, S.J.
3	MZA	Maiz-Apellaniz, J., Walborn, N.R., Morrell, N.I., Niemela, V.S., & Nelan, E.P.
6	MZA	Maiz-Apellaniz, J., Negueruela, I., Barba, R.H., Walborn, N.R., Pellerin, A.,
6	MZA	Simon-Diaz, S., Sota, A., Marco, A., Alonso-Santiago, J., Sanchez-Bermudez, J.,
6	MZA	Gamen, R.C., & Lorenzo, J.
7	MZA	Maiz-Apellaniz, J., Sota, A., Arias, J.I., Barba, R.H., Walborn, N.R., Simon-Diaz,
7	MZA	S., Negueruela, I., Marco, A., Leao, J.R., Herrero, A., Gamen, R.C. & Alfaro, E.J.
9	MZA	Maiz-Apellaniz, J., Barba, R.H., Simon-Diaz, S., Sota, A., Trigueros Paez, E.,
9	MZA	Caballero, J.A. & Alfaro, E.J.
11	MZA	Maiz Apellaniz, J., Trigueros Paez, E., Negueruela, I., Barba, R.H., Simon-Diaz,
11	MZA	S., Lorenzo, J., Sota, A., Gamen, R.C., Farina, C., Salas, J., Caballero, J.A.,
11	MZA	Morrell, N.I., Pellerin, A., Alfaro, E.J., Herrero, A., Arias, J.I. & Marco, A.
15	MZA	Maiz Apellaniz, J., Trigueros Paez, E., Negueruela, I., Barba, R.H., Simon-Diaz,
15	MZA	S., Lorenzo, J., Sota, A., Gamen, R.C., Farina, C., Salas, J., Caballero, J.A.,
15	MZA	Morrell, N.I., Pellerin, A., Alfaro, E.J., Herrero, A., Arias, J.I. & Marco, A.
16	MZA	Maiz Apellaniz, J., Barba, R.H., Farina, C., Sota, A., Pantaleoni Gonzalez, M.,
16	MZA	Holgado, G., Negueruela, I. & Simon-Diaz, S.
17	SHT	Shatsky, N.I.
24	STF	Struve, F.G.W.

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
06321+0458	MZA 20	DE	2008	2	263	3.7	8.20	11.30	O9V	N	063210.47+045759.8
06321+0458	MZA 20	DE	2011	3	262	3.7	9.09	11.30	O9V	N	063210.47+045759.8

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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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