01515-1020 BNU 1 Aa,Ab

01^h 51^m 27.61^s -10° 20' 05.8" P.A. 172.00 sep 0.1 mag 3.73, Sp K0III dist. 72.05 pc (235.03 l.y.)

Coord 2000	01515-1020	Discov num	BNU 1	Comp	Aa,Ab	Coord arcsec 2000	01 51 27.61 -10 20 05.8
Date first	1979	Date last	1979	Obs	1
Pa first	172	Pa last	172	P.A. Now (θ)	172°
Sep first	0.1	Sep last	0.055	Sep. Now (ρ)	0.055"
Mag pri	3.73	Mag sec		delta mag (ΔM)		Spectral class	K0III (yellow-orange)
Pri motion ra	+041	Sec motion ra
Pri motion dec	-039	Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

01515-1020 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		148059	01 51 28 -10 20 06	BNU 1 Aa,Ab	1979	1	172	0.1	3.73				<===
Show	Baten Kaitos	148059	01 51 28 -10 20 06	BUP 26 AB	2011	13	40	188.6	3.85	10.15	6.30

Triple system
2 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Common name	Baten Kaitos	Var name	NSV638 Cet	Constellation	Cetus	SAO	148059
HIP	8645	Tycho2	5278-02437-1	Gaia DR2	2461150714559889920	HD	11353
HR	539	GC	2249	BD	BD-11 359	Bayer	Zeta Ceti
Bayer name	Zet Cet	Flamsteed	55 Ceti	Flamsteed name	55 Cet	FK5	62
Distance	72.05	Distance ly	235.03	Bayer greek	ζ Cet

WDS 01515-1020 BNU 1 Aa,Ab : NOTES

discov_num	notes	refcode
BNU 1	Aa,Ab: zet Cet = 55 Cet = Baten Kaitos. A is a long-period
	spectroscopic binary, P = 1652d, and has been resolved by speckle
	interferometry. B is BD-11@360.

REFERENCES

refcode	metd	author	reference
Bnu1979	orb -	Bonneau, D.	1979A&A....80L..11B
Bnu1979		A&A 80, L11, 1979
Bnu1980a	S j	Bonneau, D. & Foy, R.	1980A&A....86..295B
Bnu1980a		A&A 86, 295, 1980
Bnu1980b	S j	Bonneau, D., Blazit, A., Foy, R. & Labeyrie, A.	1980A&AS...42..185B
Bnu1980b		A&AS 42, 185, 1980
Bnu1983	S -	Bonneau, D. & Koechlin, L.	1983LowOB.167..154B
Bnu1983		IAU Colloq 62, Lowell Obs Bull 167, v 9, #1, 154, 1983 "Current Techniques in
Bnu1983		Double & Multiple Star Research", R.S. Harrington & O.G. Franz, eds.
Bnu1983		(one measure, also published in Bag1984b)
Bnu1984	S j	Bonneau, D., Carquillat, J.M., & Vidal, J.L.	1984A&AS...58..729B
Bnu1984		A&AS 58, 729, 1984
Bnu1986	S j	Bonneau, D., Balega, Y., Blazit, A, Foy, R., Vakili, F., & Vidal, J.L.	1986A&AS...65...27B
Bnu1986		A&AS 65, 27, 1986
Bnu1990	S j	Bonneau, D.	1990IAUDS.112....1B
Bnu1990		Inf. Circ. 112, 1, 1990
Bnu2011	orb -	Bonneau, D., Chesneau, O., Mourard, D., Berio, Ph., Clausse, J.M., Delaa, O.,	2011A&A...532A.148B
Bnu2011		Marcotto, A., Perraut, K., Roussel, A., Spang,A., Stee, Ph., Tallon-Bosc,I. et al.
Bnu2011		A&A 532, A148, 2011
BUP		Burnham proper motion stars (see Burnham, Carnegie Inst. Wash. #168, 1913)	1913QB811.B8.......

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01515-1020	BNU 1	Aa,Ab	1979	1	172	0.1	3.73		K0III	N	015127.61-102005.8

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

WDS 01515-1020 BNU 1 Aa,Ab : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 01515-1020 BNU 1 Aa,Ab : MEASURES

No records found.

WDS 01515-1020 : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 01515-1020 : ALADIN DSS IMAGE @ 01^h 51^m 27.61^s -10° 20' 05.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 01515-1020 BNU 1 Aa,Ab : NEIGHBORHOODS

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show	Baten Kaitos	01515-1020	BNU 1	Aa,Ab	172	0.1	1
Show	Baten Kaitos	01515-1020	BUP 26	AB	40	188.6	1
Show		01529-1033	LDS 58		203	25.8	25
Show		01518-0955	HU 12		330	1.3	26
Show		01497-1022	BU 1168		210	0.3	26
Show		01496-1041	ENG 8		250	184.1	35
Show		01513-0943	SLW 88		183	42.8	38
Show		01494-1042	AMM 1	AB	354	6.1	38
Show		01494-1042	AMM 1	AC	303	14.8	38
Show		01523-0944	BU 259		239	4.8	39
Show		01517-0939	LDS2223		212	5.2	42
Show		01486-1023	BRT3191		340	4.4	43
Show		01486-0955	JNN 17		154	0.5	50
Show		01487-1046	HDO 52		32	18.4	52
Show		01507-0927	NSN 61		255	1.1	55
Show		01514-1124	GWP 230		285	82.1	65
Show		01511-1125	GWP 229		76	81.4	66
Show		01482-0929	RST4186		54	0.6	70
Show		01572-1015	GAL 315		134	29.7	85
Show		01567-1058	GWP 240		359	11.6	86
Show		01523-1148	RST3364		214	2.2	89
Show		01575-0943	CVR 406		61	8.6	97
Show		01454-1104	LDS2221		260	43.4	101
Show		01497-0842	KPP2687		168	2.2	102
Show		01549-0843	SLW 91		162	18.2	110
Show		01462-1137	RST3363		244	1.0	110
Show		01466-0858	SLW 83		220	90.3	110
Show		01435-1038	GAL 313		193	33.3	115
Show		01588-0949	J 1449		329	8.4	115
Show		01521-1215	UC 638		254	17.2	116
Show		01585-1122	YSC 142		115	0.0	122
Show		01492-0822	LDS5353		95	166.5	122
Show		01551-1204	LDS9128		177	2.4	124
Show		01466-0839	JOD 3		5	0.2	124
Show		01530-1222	RST4189		17	1.1	125
Show		01447-1139	HU 11		193	3.5	128
Show		01434-1127	GAL 312		326	43.5	134
Show		01579-1158	HU 13		114	1.0	137
Show		01561-0815	KPP2358		278	20.2	143
Show		01518-0750	HJ 2092		78	13.5	150
Show		01457-0814	LDS5349		321	185.5	152
Show		01470-0804	SLW 84		90	21.5	152
Show		01463-0807	RST4184		292	1.8	154
Show		01417-1119	STF 147		21	0.1	155
Show		01477-1246	SKF 420		237	3.8	157
Show		01419-0907	GRV1170		47	8.3	159
Show		01475-0753	HDS 240		163	0.1	159
Show		01532-0743	TDS2039		207	2.8	160
Show		01523-1258	LDS2224		176	4.5	160
Show		01576-1234	KPP2028		143	16.2	162
Show		01567-0754	LDS5358		98	69.2	165

WDS 01515-1020 : COMPONENTS

	A	Ab
Ab	pa=172.1° sep=0.05"
B	pa=39.6° sep=187.35"	pa=39.6° sep=187.39"

01515-1020 A

Common name	Baten Kaitos	Coord arcsec 2000	015127.61-102005.8	Mag	3.85	Spectral class	K0III (yellow-orange)
PmRA	41.00	PmDE	-37.0	SAO	148059	HIP	8645
Tycho2	5278-02437-1	HD	11353	HR	539	GC	2249
BD	BD-11 359	Bayer	Zeta Ceti	Bayer name	Zet Cet	Flamsteed	55 Ceti
Flamsteed name	55 Cet	FK5	62

Tycho2

Tycho2	5278-02437-1	Pflag		RAmdeg	27.86513636	DEmdeg	-10.33504177
PmRA	37.6	PmDE	-40.6	E RAmdeg	3	E DEmdeg	3
E pmRA	0.4	E pmDE	0.4	EpRAm	1990.73	EpDEm	1990.73
Num	24	Q RAmdeg	0.7	Q DEmdeg	1.7	Q pmRA	0.8
Q pmDE	1.8	BTmag	5.187	E BTmag	0.014	VTmag	3.851
E VTmag	0.009	Prox	999	TYC	T	HIP	8645
CCDM		RAdeg	27.86504722	DEdeg	-10.33494611	EpRA 1990	1.59
EpDE 1990	1.51	E RAdeg	3.3	E DEdeg	3.4	Posflg
Corr	-0.2

SAO

SAO	148059	DelFlag		RA1950		PmRA1950	0.0024
DE1950		PmDE1950	-0.036	Vmag	3.9	SpType	K0
Double code		Source	74	CatNum	62	DM	BD-11 359
DMcomp		BDsup		HD	11353	M HD	0
GC	2249	RA1950rad	0.47556201	DE1950rad	-0.1846796	PmRA2000	0.0027
PmDE2000	-0.039

Hipparcos

Catalog	H	HIP	8645	Proxy		RAhms	01 51 27.61
DEdms	-10 20 05.8	Vmag	3.74	VarFlag		R Vmag	H
RAdeg	27.865	DEdeg	-10.3349	AstroRef		Plx	12.59
CCDM	01515-1019	N CCDM	I	Nsys	1	Ncomp	1
MultFlag	G	Source		Qual		M HIP
Theta		Rho		HD	11353	BD	BD-11 359
CD		CP		Dm number	-11 359	VIred	1.07
SpType	K2III	R SpType		Coord arcsec 2000	015127.61-102005.8

Hipparcos 2

HIP	8645	Sn	1	So	1	Nc	1
RArad	0.4863367693	DErad	-0.1803788229	Plx	13.88	PmRA	40.8
PmDE	-37.25	E RArad	0.44	E DErad	0.37	E Plx	0.57
E pmRA	0.57	E pmDE	0.5	Hpmag	3.9067	E Hpmag	0.0006
SHp	0.004	VA	0	BV	1.136	E BV	0.007
VI	1.07

01515-1020 Ab

Coord arcsec 2000

015127.61-102005.9

Calc delta mag

3.73

Calc coord

yes

01515-1020 B

Coord arcsec 2000	015135.71-101741.5		Mag	10.15		PmRA	40.00		PmDE	-9.0
Calc delta mag	6.42		Calc coord	yes