12015-3123 TDS 8177 (HD 104427)

12^h 01^m 31.34^s -31° 23' 07.9" P.A. 267.00 sep 0.5 mag 11.00,11.29 Sp A7/8V

Coord 2000	12015-3123	Discov num	TDS8177	Comp		Coord arcsec 2000	12 01 31.34 -31 23 07.9
Date first	1991	Date last	1991	Obs	1
Pa first	267	Pa last	267.3	P.A. Now (θ)	267.3°
Sep first	0.5	Sep last	0.5	Sep. Now (ρ)	0.5"
Mag pri	11.00	Mag sec	11.29	delta mag (ΔM)	0.29	Spectral class	A7/8V (white)
Pri motion ra	-006	Sec motion ra	-006
Pri motion dec	-005	Sec motion dec	-005
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 104427		Constellation	Hydra		Tycho2	7231-01055-1		Gaia DR2	3467434476538277760
HD	104427

WDS 12015-3123 TDS 8177 (HD 104427) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
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
12015-3123	TDS8177		1991	1	267	0.5	11.00	11.29			120131.34-312307.9

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WDS 12015-3123 TDS 8177 (HD 104427) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 12015-3123 TDS 8177 (HD 104427) : MEASURES

No records found.

WDS 12015-3123 (HD 104427) : VIRTUAL EYEPIECE

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WDS 12015-3123 (HD 104427) : ALADIN DSS IMAGE @ 12^h 01^m 31.34^s -31° 23' 07.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 12015-3123 TDS 8177 (HD 104427) : 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		12015-3123	TDS8177		267	0.5
Show		12025-3055	BRT2990		72	3.5	31
Show		12011-3048	LDS5746		133	201.6	34
Show		12046-3111	RSS 281	AB	160	8.6	41
Show		11575-3131	B 1711		172	2.7	53
Show		11598-3036	UC 2248		114	15.4	53
Show		12040-3037	DAW 137		88	2.2	56
Show		12011-3222	COO 134		167	5.0	59
Show		12004-3020	DAW 135	AB	55	3.7	65
Show		12039-3026	DAW 136		266	2.3	66
Show		12064-3145	TDS8224		189	0.6	66
Show		12066-3137	RUZ 2		7	5.6	67
Show		12008-3230	RSS 277		185	4.7	68
Show		12064-3153	RST2778		205	0.4	70
Show		12003-3231	LDS4164		90	180.9	71
Show		11567-3216	TOK 146	BE	113	4.8	81
Show		11567-3216	DUN 116	BC	359	21.8	81
Show		11567-3216	DUN 116	AB	82	18.7	82
Show		11567-3216	DUN 116	AC	38	30.0	82
Show		11567-3216	CVN 86	AF	178	5.8	82
Show		12064-3217	TVB 248		2	14.3	83
Show		12007-3247	RUZ 3		105	8.7	85
Show		12056-3237	KPP1884		252	14.7	91
Show		12057-3237	TSN 84		24	14.5	92
Show		12062-3233	DAM 571		2	10.9	97
Show		12028-2947	RUZ 4		39	85.4	98
Show		11546-3208	I 1215		236	0.6	99
Show		12070-3235	RST1645		47	2.6	100
Show		12053-2953	RST1643		66	2.0	102
Show		11559-3005	KPP1003		268	8.1	108
Show		12061-3258	HJ 4495	AB	319	5.7	111
Show		12061-3258	HJ 4495	AC	46	46.0	111
Show		12102-3104	RST1650		86	2.4	113
Show		11526-3129	RUZ 6		263	14.0	115
Show		12029-3319	LDS4170			3.0	118
Show		12044-3316	LDS 381		173	15.5	119
Show		11552-3250	LDS5745		64	137.0	120
Show		11581-2930	LDS 375		347	9.2	120
Show		12027-3323	BRT1672		25	3.6	121
Show		11553-3255	DAM1443		165	4.4	122
Show		11552-2951	B 1201		289	2.2	124
Show		12112-3132	BRT2992		34	2.7	125
Show		12019-3333	RST2776		85	0.5	131
Show		12051-2920	SKF1912		318	40.6	131
Show		11513-3124	TVB 244		45	4.2	132
Show		11509-3152	RST2771		254	0.3	139
Show		12117-3036	HJ 4505	AB	276	10.1	139
Show		12117-3036	KNP 2	AC	116	37.3	139
Show		12115-3024	TDS8261		290	0.5	142
Show		12109-3010	B 1208		294	4.2	142
Show		12106-3254	RST2783		86	1.8	148

WDS 12015-3123 : COMPONENTS

	A
B	pa=266.8° sep=0.43"

12015-3123 A

Componente originario normalizzato	AB	Name	HD 104427	Coord arcsec 2000	120131.34-312307.9	Mag	11
Spectral class	A7/8V (white)	PmRA	-6.00	PmDE	-5.0	Tycho2	7231-01055-1
HD	104427

Tycho2

Tycho2	7231-01055-1	Pflag		RAmdeg	180.38047437	DEmdeg	-31.38551403
PmRA	-5.8	PmDE	-5.1	E RAmdeg	21	E DEmdeg	27
E pmRA	1.9	E pmDE	1.8	EpRAm	1988.11	EpDEm	1984.41
Num	4	Q RAmdeg	1.0	Q DEmdeg	1.6	Q pmRA	1.1
Q pmDE	1.7	BTmag	10.621	E BTmag	0.042	VTmag	10.463
E VTmag	0.047	Prox	999	TYC	T	HIP
CCDM		RAdeg	180.38049000	DEdeg	-31.38550722	EpRA 1990	1.77
EpDE 1990	1.58	E RAdeg	22.0	E DEdeg	31.3	Posflg
Corr	0.0

12015-3123 B

Componente originario normalizzato	AB		Coord arcsec 2000	120131.31-312307.9		Mag	11.29		PmRA	-6.00
PmDE	-5.0		Calc delta mag	0.29		Calc coord	yes