00311-7239 OGL 31 AC

00^h 31^m 06.80^s -72° 38' 45.1" P.A. 317.00 sep 491.2 mag 16.18,17.61

Coord 2000	00311-7239	Discov num	OGL 31	Comp	AC	Coord arcsec 2000	00 31 06.80 -72 38 45.1
Date first	1998	Date last	2005	Obs	2
Pa first	318	Pa last	317	P.A. Now (θ)	317°
Sep first	462.1	Sep last	491.22	Sep. Now (ρ)	491.22"
Mag pri	16.18	Mag sec	17.61	delta mag (ΔM)	1.43	Spectral class
Pri motion ra	+032	Sec motion ra	+032
Pri motion dec	-007	Sec motion dec	-007
Notes	N V (See Notes, Proper motion indicates physical)

This double is physical.

00311-7239 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			00 31 07 -72 38 45	OGL 31 AB	2005	1	306	5.3	16.18	22.20	6.02
Show			00 31 07 -72 38 45	OGL 31 AC	2005	2	317	491.2	16.18	17.61	1.43		<===

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Tucana

Gaia DR2

4689163521900501632

WDS 00311-7239 OGL 31 AC : NOTES

discov_num	notes	refcode
OGL 31	SMC131.6.14 + SMC131.6.859 + SMC136.4.2269	Pli2012

REFERENCES

refcode	metd	author	reference
Pli2012	C -	Poleski, R., Soszynski, I., Udalski, A., Szymanski, M.K., Kubiak, M.,	2012AcA....62....1P
Pli2012		Pietrzynski, G., Wyrzykowski, L., & Ulaczyk, K.
Pli2012		Acta Astr. 62, 1, 2012
Pli2012		(Note: coarse theta values derived from component coordinates; quadrants flipped
Pli2012		as necessary to make brighter star primary)

DISCOVERER

idgroup	discov	author
1	OGL	OGLE (Optical Gravitational Lensing Experiment; see Pli2012)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00311-7239	OGL 31	AC	2005	2	317	491.2	16.18	17.61		NV	003106.80-723845.1

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WDS 00311-7239 OGL 31 AC : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 00311-7239 OGL 31 AC : MEASURES

No records found.

WDS 00311-7239 : VIRTUAL EYEPIECE

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WDS 00311-7239 : ALADIN DSS IMAGE @ 00^h 31^m 06.80^s -72° 38' 45.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 00311-7239 OGL 31 AC : 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		00311-7239	OGL 31	AB	306	5.3
Show		00311-7239	OGL 31	AC	317	491.2
Show		00305-7237	OGL 28		225	115.1	4
Show		00306-7242	OGL 30		217	439.0	4
Show		00293-7244	OGL 26		102	6.1	10
Show		00270-7237	OGL 18		263	96.9	19
Show		00278-7251	OGL 22	BC	196	51.4	19
Show		00277-7228	OGL 20	AB	352	0.6	19
Show		00277-7228	OGL 20	AC	133	2.1	19
Show		00277-7228	OGL 20	BC	141	2.8	19
Show		00300-7257	OGL 27		80	1.6	19
Show		00278-7251	OGL 22	AB	19	52.0	20
Show		00278-7251	OGL 22	AC	98	3.3	20
Show		00344-7252	OGL 41		185	23.1	20
Show		00276-7221	OGL 19		17	0.6	24
Show		00365-7246	OGL 47		56	730.1	26
Show		00277-7300	OGL 21		214	1.7	26
Show		00305-7305	B 2552		88	7.3	27
Show		00267-7220	OGL 16		44	46.0	27
Show		00250-7244	OGL 10		299	14.3	28
Show		00374-7243	OGL 49		65	20.9	29
Show		00247-7240	OGL 9		287	4.1	29
Show		00378-7246	OGL 50		147	9.0	31
Show		00313-7311	OGL 32		24	113.9	32
Show		00270-7210	SHN 51		-1	0.4	34
Show		00379-7256	OGL 52		69	637.8	36
Show		00389-7248	OGL 57		121	2.7	37
Show		00241-7300	OGL 7		174	11.6	38
Show		00240-7219	CTI5423		275	1.8	38
Show		00240-7300	OGL 6		333	52.2	38
Show		00240-7215	B 1908		233	0.4	40
Show		00319-7318	OGL 33		253	87.8	40
Show		00358-7313	HDS 82		318	0.4	41
Show		00403-7241	OGL 59		113	1.1	42
Show		00364-7313	OGL 46		134	21.7	42
Show		00242-7205	HJ 3363		253	7.4	47
Show		00272-7324	TOK 908		250	0.2	49
Show		00391-7313	OGL 58		130	17.3	50
Show		00228-7205	SHN 49		-1	0.4	50
Show		00281-7329	OGL 23		195	999.9	52
Show		00420-7306	OGL 65		193	1.1	56
Show		00330-7335	OGL 35		112	1.0	57
Show		00441-7238	OGL 68		172	12.8	59
Show		00405-7321	OGL 60		270	1.6	59
Show		00409-7320	OGL 62		194	2.2	60
Show		00255-7334	OGL 14		245	110.6	61
Show		00283-7339	OGL 24		80	25.3	62
Show		00207-7159	B 1907		44	5.3	63
Show		00450-7234	OGL 70	BC	241	11.1	63
Show		00450-7234	OGL 70	AB	273	1.8	63
Show		00450-7234	OGL 70	AC	245	12.6	63

WDS 00311-7239 : COMPONENTS

	A	B
B	pa=337.7° sep=3.34"
C	pa=344.5° sep=372.97"	pa=344.5° sep=369.66"

00311-7239 A

Coord arcsec 2000

003106.80-723845.1

Mag

16.18

PmRA

32.00

PmDE

-7.0

00311-7239 B

Coord arcsec 2000	003106.52-723842.0		Mag	22.2		PmRA	30.00		PmDE	-7.0
Calc delta mag	6.02		Calc coord	yes

00311-7239 C

Coord arcsec 2000	003044.47-723245.8		Mag	17.61		PmRA	32.00		PmDE	-7.0
Calc delta mag	1.43		Calc coord	yes