12107-4502 TDS 8255 Ba,Bb

12^h 10^m 40.89^s -45° 02' 20.1" P.A. 5.00 sep 0.4 mag 10.93,11.09 Sp K5III

Coord 2000	12107-4502	Discov num	TDS8255	Comp	Ba,Bb	Coord arcsec 2000	12 10 40.89 -45 02 20.1
Date first	1991	Date last	1991	Obs	1
Pa first	5	Pa last	5.3	P.A. Now (θ)	5.3°
Sep first	0.4	Sep last	0.44	Sep. Now (ρ)	0.44"
Mag pri	10.93	Mag sec	11.09	delta mag (ΔM)	0.16	Spectral class	K5III (yellow-orange)
Pri motion ra	-018	Sec motion ra	-018
Pri motion dec	-004	Sec motion dec	-004
Notes

Nature of this double is uncertain.

12107-4502 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			12 10 44 -45 01 58	SWR 127 AB	2015	7	239	42.1	10.04	10.34	0.30
Show			12 10 41 -45 02 20	TDS 8255 Ba,Bb	1991	1	5	0.4	10.93	11.09	0.16		<===

Triple system
2 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Centaurus

Tycho2

8229-00126-1

Gaia DR2

6144225221176500992

WDS 12107-4502 TDS 8255 Ba,Bb : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
SWr1972	Xg -	Stock, J. & Wroblewski, H.	1972A&A....18..341S
SWr1972		A&A 18, 341, 1972
SWr1997	Po -	Stock, M.J. & Stock, J.	1997RMxAA..33...83S
SWr1997	+Pa	RevMexA&A 33, 83, 1997
TDS		Tycho Double Star (from additional DD list)	...................
TDT		Tycho Double Star (from additional DD list)	...................

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
12107-4502	TDS8255	Ba,Bb	1991	1	5	0.4	10.93	11.09			121040.89-450220.1

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WDS 12107-4502 TDS 8255 Ba,Bb : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 12107-4502 TDS 8255 Ba,Bb : MEASURES

No records found.

WDS 12107-4502 : VIRTUAL EYEPIECE

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

WDS 12107-4502 : ALADIN DSS IMAGE @ 12^h 10^m 40.89^s -45° 02' 20.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 12107-4502 TDS 8255 Ba,Bb : 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		12107-4502	TDS8255	Ba,Bb	5	0.4
Show		12107-4502	SWR 127	AB	239	42.1	1
Show		12118-4504	HU 1493		136	0.9	12
Show		12110-4525	I 423		166	2.7	24
Show		12129-4454	HJ 4507		221	14.9	25
Show		12132-4511	TDS8271		141	2.3	29
Show		12129-4442	HRG 75		180	14.1	32
Show		12065-4521	UC 2272		108	7.7	48
Show		12079-4424	B 1207		245	1.1	49
Show		12068-4430	B 1206		145	1.7	53
Show		12140-4543	RMK 14		242	2.7	55
Show		12064-4423	LDS 384		14	106.8	60
Show		12161-4446	UC 2304		341	12.5	61
Show		12078-4409	CPO 342		194	3.4	62
Show		12070-4414	WIS 196		312	17.4	62
Show		12063-4422	UC 2271		54	38.0	63
Show		12169-4512	B 1209		121	2.7	68
Show		12106-4611	LDS 388		218	12.9	69
Show		12041-4458	KPP2194		108	18.1	70
Show		12104-4352	TOK 897		333	0.1	71
Show		12099-4613	LDS 385		30	66.8	71
Show		12159-4417	SWR 128		86	21.9	73
Show		12174-4529	TDS8303		37	3.6	77
Show		12110-4619	KIR 15			432.8	78
Show		12168-4417	TDS8299		331	0.5	80
Show		12087-4345	DON 511		193	0.4	81
Show		12063-4353	UC 2270		125	13.7	85
Show		12186-4442	UC 2313		194	49.3	87
Show		12101-4334	CPO 56		202	22.8	90
Show		12066-4621	WFC 123		17	16.0	90
Show		12050-4612	HDS1702		331	0.2	92
Show		12038-4407	HJ 4491		41	23.2	93
Show		12151-4341	TDS8285		239	0.5	94
Show		12055-4344	ENO 3		56	18.5	97
Show		12029-4404	DON 507		211	2.7	102
Show		12160-4334	DON1097		81	6.5	106
Show		12155-4636	LDS 397		136	38.6	106
Show		12209-4519	TDS8345		235	0.5	109
Show		12002-4518	DON 503		19	1.2	113
Show		12027-4624	I 896		343	1.2	117
Show		12194-4616	TDS8327		86	0.5	118
Show		12218-4452	B 1210		62	0.6	119
Show		12019-4617	TDS8181		11	2.5	119
Show		12031-4632	I 897		67	2.1	120
Show		12191-4623	UC 2315		89	41.6	120
Show		12175-4642	TDS8305		129	0.7	123
Show		12191-4628	TDS8322		207	0.5	124
Show		12166-4651	TDS8297		267	0.5	125
Show		12210-4400	KPP1074		83	8.5	127
Show		12127-4257	RST5365		355	0.2	128
Show		12164-4310	NSN 408		264	4.1	128

WDS 12107-4502 : COMPONENTS

	A	B
B	pa=238.5° sep=41.90"
Bb	pa=239.0° sep=41.65"	pa=3.8° sep=0.44"

12107-4502 A

Coord arcsec 2000	121044.26-450158.2		Mag	10.04		Spectral class	K5IIIx2 (yellow-orange)		PmRA	-6.00
PmDE	-1.0		Tycho2	8229-00462-1

Tycho2

Tycho2	8229-00462-1	Pflag		RAmdeg	182.68443710	DEmdeg	-45.03283348
PmRA	-7.8	PmDE	-3.1	E RAmdeg	18	E DEmdeg	17
E pmRA	1.3	E pmDE	1.1	EpRAm	1987.30	EpDEm	1986.33
Num	5	Q RAmdeg	0.6	Q DEmdeg	0.5	Q pmRA	0.6
Q pmDE	0.5	BTmag	11.293	E BTmag	0.045	VTmag	10.038
E VTmag	0.024	Prox	419	TYC	T	HIP
CCDM		RAdeg	182.68446361	DEdeg	-45.03282556	EpRA 1990	1.82
EpDE 1990	1.65	E RAdeg	18.9	E DEdeg	17.7	Posflg
Corr	0.0

12107-4502 B

Coord arcsec 2000	121040.89-450220.1	Coord calc	121041.87-450220.2	Mag	10.93	Mag composta	10.34
Spectral class	K5III (yellow-orange)	PmRA	-18.00	PmDE	-4.0	Tycho2	8229-00126-1
Calc delta mag	0.89

Tycho2

Tycho2	8229-00126-1	Pflag		RAmdeg	182.67037365	DEmdeg	-45.03894107
PmRA	-17.5	PmDE	-3.8	E RAmdeg	23	E DEmdeg	22
E pmRA	1.6	E pmDE	1.5	EpRAm	1989.68	EpDEm	1989.36
Num	4	Q RAmdeg	0.7	Q DEmdeg	1.4	Q pmRA	0.8
Q pmDE	1.5	BTmag	11.548	E BTmag	0.052	VTmag	10.344
E VTmag	0.029	Prox	419	TYC	T	HIP
CCDM		RAdeg	182.67043000	DEdeg	-45.03893222	EpRA 1990	1.81
EpDE 1990	1.62	E RAdeg	23.0	E DEdeg	22.3	Posflg
Corr	0.0

12107-4502 Bb

Coord arcsec 2000	121040.89-450219.7		Mag	11.09		PmRA	-18.00		PmDE	-4.0
Calc delta mag	1.05		Calc coord	yes