12220-6910 MLO 42

12^h 21^m 57.24^s -69° 10' 18.5" P.A. 2.00 sep 4.1 mag 10.86,10.88

Coord 2000	12220-6910	Discov num	MLO 42	Comp		Coord arcsec 2000	12 21 57.24 -69 10 18.5
Date first	1895	Date last	2015	Obs	8
Pa first	358	Pa last	2.3	P.A. Now (θ)	2.3°
Sep first	3.4	Sep last	4.135	Sep. Now (ρ)	4.135"
Mag pri	10.86	Mag sec	10.88	delta mag (ΔM)	0.02	Spectral class
Pri motion ra	-027	Sec motion ra	-027
Pri motion dec	+001	Sec motion dec	+002
Notes	T (Parallax indicates physical)

rPM=0.037 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Musca

Tycho2

9227-02676-1

Gaia DR2

5856056039747947648

WDS 12220-6910 MLO 42 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
MlO1881	T -	Walker, G.J.	1881Obs.....4..249W
MlO1881		Observatory 4, 249, 1881
MlO1927A	Pa -	Melbourne Obs.	1927sdsc.book......
MlO1927A		cited in SDS (Southern Double Star Cat.), 1927

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
12220-6910	MLO 42		2000	5	2	4.2	10.86	10.88		D	122157.24-691018.5
12220-6910	MLO 42		2010	7	2	4.0	10.86	10.88			122157.24-691018.5
12220-6910	MLO 42		2015	8	2	4.1	10.86	10.88			122157.24-691018.5

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WDS 12220-6910 MLO 42 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 12220-6910 MLO 42 : MEASURES

No records found.

WDS 12220-6910 : VIRTUAL EYEPIECE

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WDS 12220-6910 : ALADIN DSS IMAGE @ 12^h 21^m 57.24^s -69° 10' 18.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 12220-6910 MLO 42 : NEIGHBORHOODS

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Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		12220-6910	MLO 42		2	4.1
Show		12255-6929	HJ 4522	AB	66	12.7	27
Show		12255-6929	SIN 116	AC	259	19.0	27
Show		12274-6859	BRT1998		187	5.0	32
Show		12157-6906	DON 517		52	3.3	34
Show		12203-6947	HJ 4515		53	13.3	38
Show		12284-6938	KPP 273		305	3.0	45
Show		12249-6952	KPP2986		308	2.6	45
Show		12305-6905	BRT1999		140	4.3	47
Show		12184-6953	TDS8314		37	0.9	47
Show		12189-6822	TDS8320		78	1.2	51
Show		12280-6819	DON 527	AB	39	0.9	61
Show		12280-6819	DON 527	AB,CD	98	9.4	61
Show		12280-6819	DON 527	CD	356	0.9	61
Show		12334-6850	HDS1763		286	22.6	65
Show		12128-7009	EVS 17	AB	183	5.0	76
Show		12128-7009	GAA 13	Aa,Ab	168	0.0	76
Show		12290-7017	TDS8408		224	2.3	76
Show		12187-6755	LDS 401		20	120.7	77
Show		12350-6948	TDS8446		127	3.1	79
Show		12348-6953	HDS1766		134	0.2	81
Show		12348-6830	DON 538		105	0.8	81
Show		12372-6908	DON 541	AB	321	28.8	82
Show		12372-6908	SHT 45	AC	198	4.9	82
Show		12372-6908	SHT 45	AD	243	3.4	82
Show		12372-6908	SHT 45	AE	159	5.8	82
Show		12372-6908	RIZ 4	Aa,Ab	-1	0.0	82
Show		12348-6817	KPP1082		253	8.6	88
Show		12282-7033	DON 528			9.6	89
Show		12291-7032	DON 531		350	2.5	90
Show		12387-6929	DON 543	AB	299	5.4	91
Show		12387-6929	TRR 14	AC	230	18.1	91
Show		12051-6930	TDS8215		206	1.9	92
Show		12324-6753	DON 534	BC	278	0.9	97
Show		12324-6753	MLO 44	A,BC	173	6.6	97
Show		12064-6823	DON 510		105	0.2	97
Show		12055-6955	DON 509		195	0.3	97
Show		12041-6853	R 190		232	11.8	98
Show		12209-6732	DON 522		194	2.6	99
Show		12397-6944	BRT2001		33	4.3	99
Show		12221-6731	HDS1742	Aa,Ab	128	0.5	99
Show		12221-6731	HDO 215	AB	126	32.7	99
Show		12403-6944	HDS1775		36	0.5	103
Show		12349-6756	DON 539		321	2.0	103
Show		12346-6754	DON1101		255	6.9	104
Show		12079-7027	KPP 262		37	3.5	106
Show		12046-6820	HDS1698	Aa,Ab	159	0.7	107
Show		12046-6820	SHT 44	AB	327	3.5	107
Show		12046-6820	SHT 44	AC	28	6.6	107
Show		12107-6737	TDS8257		122	4.3	112
Show		12403-7012	TVB 254		61	2.0	114

WDS 12220-6910 : COMPONENTS

	A
B	pa=0.8° sep=4.13"

12220-6910 A

Componente originario normalizzato	AB		Coord arcsec 2000	122157.24-691018.5		Mag	10.86		PmRA	-27.00
PmDE	1.0		Tycho2	9227-02676-1		DM	CP-68 1643

Tycho2

Tycho2	9227-02676-1	Pflag		RAmdeg	185.48848932	DEmdeg	-69.17181010
PmRA	-29.0	PmDE	-0.1	E RAmdeg	37	E DEmdeg	38
E pmRA	2.5	E pmDE	2.3	EpRAm	1989.36	EpDEm	1988.72
Num	3	Q RAmdeg	1.1	Q DEmdeg	0.7	Q pmRA	1.2
Q pmDE	0.7	BTmag	11.461	E BTmag	0.062	VTmag	10.858
E VTmag	0.060	Prox	42	TYC	T	HIP
CCDM		RAdeg	185.48867806	DEdeg	-69.17180972	EpRA 1990	1.67
EpDE 1990	1.60	E RAdeg	37.3	E DEdeg	39.3	Posflg
Corr	-0.2

CCDM

Ccdm	12220-6910	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-2.55	DDEs	-16.1
R dRAs	66	Year		Theta		Rho
Obs	2	Vmag	10.6	Sp		PmNote
PmRA		PmDE		Dm number	-68 1643	Cat1	CPD
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	12164S6837A
HIC

12220-6910 B

Componente originario normalizzato	AB		Coord arcsec 2000	122157.25-691014.4		Mag	10.88		PmRA	-27.00
PmDE	2.0		Tycho2	9227-02676-2		Calc delta mag	0.02		Calc coord	yes

Tycho2

Tycho2	9227-02676-2	Pflag		RAmdeg	185.48856577	DEmdeg	-69.17063178
PmRA	-28.1	PmDE	6.5	E RAmdeg	38	E DEmdeg	39
E pmRA	2.5	E pmDE	2.3	EpRAm	1989.24	EpDEm	1988.56
Num	3	Q RAmdeg	1.8	Q DEmdeg	0.2	Q pmRA	1.8
Q pmDE	0.2	BTmag	11.399	E BTmag	0.061	VTmag	10.885
E VTmag	0.061	Prox	42	TYC	T	HIP
CCDM		RAdeg	185.48874889	DEdeg	-69.17064694	EpRA 1990	1.67
EpDE 1990	1.59	E RAdeg	37.6	E DEdeg	40.0	Posflg
Corr	-0.2

CCDM

Ccdm	12220-6910	RComp		Comp	B	Note1
Note2		Discov num	MLO	DRAs		DDEs
R dRAs		Year	1929	Theta	001	Rho	3.7
Obs	1	Vmag	10.7	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	12164S6837B
HIC