01489-2053 ARA 1256 (TW Cet)

01^h 48^m 54.14^s -20° 53' 34.6" P.A. 296.00 sep 8.8 mag 10.69,12.72 Sp G5+G5 dist. 83.13 pc (271.17 l.y.)

Coord 2000	01489-2053	Discov num	ARA1256	Comp		Coord arcsec 2000	01 48 54.14 -20 53 34.6
Date first	1923	Date last	2016	Obs	9
Pa first	301	Pa last	295.7	P.A. Now (θ)	295.7°
Sep first	8.3	Sep last	8.81	Sep. Now (ρ)	8.81"
Mag pri	10.69	Mag sec	12.72	delta mag (ΔM)	2.03	Spectral class	G5+G5 (yellow/yellow)
Pri motion ra	+046	Sec motion ra	+071
Pri motion dec	-017	Sec motion dec	+018
Notes	N (See Notes)

rPM=0.587

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Var name	TW Cet	Constellation	Cetus	HIP	8447	Tycho2	5857-01814-1
Gaia DR2	5136147262376639360	BD	BD-21 311	CP	CP-21 167	Distance	83.13
Distance ly	271.17

WDS 01489-2053 ARA 1256 (TW Cet) : NOTES

discov_num	notes	refcode
ARA1256	Primary is TW Cet, a W UMa type eclipsing binary, P = 0.31685d.	Zas2012

REFERENCES

refcode	metd	author	reference
Zas2012	-	Zasche, P.	...................
Zas2012		private communication, 2012

DISCOVERER

discov	author
ARA	Aravamudan, S.
ZAS	Zasche, P., Jurysek, J., Nemravova, J., Uhlar, R., Svoboda, P., Wolf, M., Honkova,
ZAS	K., Masek, M., Prouza, M., Cechura, J., Korcakova, D. & Slechta, M.
ZAS	Zasche, P., Uhlar, R., Svoboda, P., Jurysek, J., Korcakova, D., Wolf, M.,

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	dm_number	notes	coord_arcsec_2000
01489-2053	ARA1256		1998	4	296	8.8	10.69	12.72		-21 311	D	014854.14-205334.6
01489-2053	ARA1256		1999	6	296	8.8	10.69	12.72		-21 311	D	014854.14-205334.6
01489-2053	ARA1256		2015	7	296	8.8	10.69	12.72	G5+G5	-21 311	N	014854.14-205334.6
01489-2053	ARA1256		2016	9	296	8.8	10.69	12.72	G5+G5	-21 311	N	014854.14-205334.6

If you need more information about this double, apply for a data request form to the WDS.

WDS 01489-2053 ARA 1256 (TW Cet) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 01489-2053 ARA 1256 (TW Cet) : MEASURES

No records found.

WDS 01489-2053 (TW Cet) : VIRTUAL EYEPIECE

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WDS 01489-2053 (TW Cet) : ALADIN DSS IMAGE @ 01^h 48^m 54.14^s -20° 53' 34.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 01489-2053 ARA 1256 (TW Cet) : 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		01489-2053	ARA1256		296	8.8	0
Show		01505-2042	ARA1257		89	1.1	26
Show		01470-2045	HJ 2086	AB	106	11.3	27
Show		01470-2045	HJ 2086	AC	181	23.1	27
Show		01460-2056	UC 624		84	5.6	41
Show		01473-2131	ARA1611		226	13.2	45
Show		01448-2009	HU 1211		111	3.4	74
Show		01451-2003	HJ 3459		89	19.7	74
Show		01434-2100	UC 612		212	27.0	78
Show		01454-2159	HDS 233		302	0.2	82
Show		01432-2113	BRT 296		92	4.2	84
Show		01471-1928	NSN 245		224	3.1	90
Show		01547-2133	HJ 2098		345	20.5	90
Show		01532-1947	TDS2040		268	0.5	91
Show		01432-2137	CVN 70	BC	240	0.4	91
Show		01432-2137	HJ 3456	AB	353	15.0	91
Show		01523-2213	TSN 71		147	204.0	92
Show		01553-2134	DON 26		173	1.6	98
Show		01425-2015	RST2266		324	2.5	98
Show		01528-1930	TOK 462		290	999.9	100
Show		01562-2058	KPP2145		283	17.5	103
Show		01509-2238	HJ 3470		299	10.2	108
Show		01410-2051	SKF1381		256	3.6	111
Show		01559-2150	DON 27		294	0.1	114
Show		01487-1900	ARA 521		95	5.9	114
Show		01408-2022	RST2265		101	0.2	118
Show		01412-2143	SEE 15		313	3.1	119
Show		01406-2125	LDS3298		331	25.5	121
Show		01575-2045	ARA1258		337	7.9	121
Show		01515-1858	LDS9126		77	3.3	123
Show		01469-2255	GKM9030	AB	129	2.7	125
Show		01567-1953	UC 649		165	13.1	126
Show		01398-2031	DON 21		353	2.7	130
Show		01517-1849	LDS1119		191	14.4	130
Show		01539-1900	B 23		133	4.6	135
Show		01544-2250	LDS3322		317	13.9	139
Show		01578-2154	BIL 2	AB	294	0.2	139
Show		01519-2309	I 450		209	0.1	142
Show		01432-1853	ARA 520		109	8.0	145
Show		01431-1852	UC 608		22	12.3	147
Show		01387-2131	SKF1380		122	3.0	148
Show		01489-1823	BU 1001		6	1.6	151
Show		01434-2310	B 22		294	5.2	157
Show		01515-1821	GWP 231		184	106.4	158
Show		01588-2212	HJ 2103		42	59.0	159
Show		01455-1822	TDS1992		43	1.3	159
Show		01503-2346	HU 1212		197	4.7	174
Show		01455-1803	LDS3307		308	159.2	175
Show		01522-2346	SPM 6	BC	353	5.5	179
Show		01522-2346	SPM 6	AB	54	25.8	179
Show		01493-1752	CVR1083		13	3.8	183

WDS 01489-2053 : COMPONENTS

	A
B	pa=295.7° sep=8.81"

01489-2053 A

Name	TW Cet		Coord arcsec 2000	014854.14-205334.6		Mag	10.69		Spectral class	G5 (yellow)
PmRA	46.00		PmDE	-17.0		Tycho2	5857-01814-1

Tycho2

Tycho2	5857-01814-1	Pflag		RAmdeg	27.22558125	DEmdeg	-20.89293057
PmRA	42.7	PmDE	-12.4	E RAmdeg	30	E DEmdeg	38
E pmRA	2.4	E pmDE	2.5	EpRAm	1988.36	EpDEm	1987.07
Num	6	Q RAmdeg	1.5	Q DEmdeg	2.4	Q pmRA	1.5
Q pmDE	2.4	BTmag	11.391	E BTmag	0.068	VTmag	10.686
E VTmag	0.058	Prox	88	TYC	T	HIP	8447
CCDM	A	RAdeg	27.22548417	DEdeg	-20.89290472	EpRA 1990	1.80
EpDE 1990	1.56	E RAdeg	34.4	E DEdeg	43.2	Posflg
Corr	-0.2

01489-2053 B

Coord arcsec 2000	014853.57-205330.8		Mag	12.72		Spectral class	G5 (yellow)		PmRA	71.00
PmDE	18.0		Delta magnitude	2.03		Coordinate calculated	yes