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00315-6257
LCL 119 AC
Bet1 Tuc

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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

00315-6257 LCL 119 AC (Bet1 Tuc)

00^h 31^m 32.56^s -62° 57' 29.1" P.A. 168.00 sep 27.1 mag 4.28,4.51 Sp B9V dist. 41.41 pc (135.08 l.y.)

Coord 2000	00315-6257		Discov num	LCL 119		Comp	AC		Coord arcsec 2000	00 31 32.56 -62 57 29.1
Date first	1826		Date last	2021		Obs	54
Pa first	173		Pa last	167.8		P.A. Now (θ)	167.8°
Sep first	25.0		Sep last	27.09		Sep. Now (ρ)	27.09"
Mag pri	4.28		Mag sec	4.51		delta mag (ΔM)	0.23		Spectral class	B9V (blue-white)
Pri motion ra	+084		Sec motion ra	+095
Pri motion dec	-056		Sec motion dec	-049
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.122 (< 0.3, Physical double)

This double is physical.

00315-6257 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		248201	00 31 33 -62 57 29	B 7 AB	1932	2	153	2.6	4.36	13.50	9.14
Show	Bet1 Tuc	248201	00 31 33 -62 57 29	LCL 119 AC	2021	54	168	27.1	4.28	4.51	0.23		<===
Show		248201	00 31 33 -62 57 29	SHY 114 AE	2000	4	118	548.9	4.28	5.07	0.79
Show		248201	00 31 33 -62 57 29	SHY 114 AF	2000	3	20	999.9	4.28	9.66	5.38
Show		248201	00 31 33 -62 57 29	SHY 114 AG	2000	3	251	999.9	4.28	7.52	3.24
Show		248202	00 31 33 -62 57 56	I 260 CD	2021	79	330	0.4	4.60	6.54	1.94	Y
Show		248208	00 32 44 -63 01 53	B 8 Ea,Eb	1964	24	171	0.1	5.80	6.00	0.20
Show		248208	00 32 44 -63 01 53	SHY 116 EF	2000	4	12	999.9	5.07	9.66	4.59
Show		248208	00 32 44 -63 01 53	SHY 116 EH	2000	4	330	999.9	5.07	11.57	6.50
Show		248159	00 34 51 -61 54 58	SHY 113 FG	2015	4	230	999.9	9.66	7.52	2.14
Show			00 34 51 -61 54 58	SHY 117 FH	2015	4	289	999.9	9.66	11.57	1.91
Show			00 34 51 -61 54 58	SHY 117 FI	2000	3	258	999.9	9.66	11.53	1.87
Show		248159	00 18 26 -63 28 39	SHY 113 GH	2015	4	22	999.9	7.52	11.57	4.05
Show		248159	00 18 26 -63 28 39	CVN 33 GI	2006	1	233	10.2	6.15	19.60	13.45

Decuple system
9 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	Bet1 Tuc		Constellation	Tucana		SAO	248201		HIP	2484
Tycho2	8844-01519-1		Gaia DR2	4900927434176620160		HD	2884		HR	126
GC	625		CP	CP-63 50		Bayer	Beta 1 Tucanae		Bayer name	Bet1 Tuc
Distance	41.41		Distance ly	135.08		Bayer greek	β¹ Tuc