12039-3026 DAW 136 (HD 104771)

12^h 03^m 55.35^s -30° 25' 39.6" P.A. 266.00 sep 2.3 mag 10.32,11.52 Sp K1/2(III)

Coord 2000	12039-3026	Discov num	DAW 136	Comp		Coord arcsec 2000	12 03 55.35 -30 25 39.6
Date first	1923	Date last	2016	Obs	8
Pa first	268	Pa last	266.4	P.A. Now (θ)	266.4°
Sep first	2.4	Sep last	2.338	Sep. Now (ρ)	2.338"
Mag pri	10.32	Mag sec	11.52	delta mag (ΔM)	1.2	Spectral class	K1/2(III) (yellow-orange)
Pri motion ra	-027	Sec motion ra	-027
Pri motion dec	+004	Sec motion dec	+004
Notes	V (Proper motion indicates physical)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 104771		Constellation	Hydra		SAO	203092		Tycho2	7231-00558-1
Gaia DR2	3473506009811633152		HD	104771

WDS 12039-3026 DAW 136 (HD 104771) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Daw1918a	Ma -	Dawson, B.H.	.
Daw1918a		Pub. La Plata Obs. 4, Pt.1, 1918
Daw1918b	Ma -	Dawson, B.H. (measure by Chaves, A.J.)	.
Daw1918b		Pub. La Plata Obs. 4, Pt.1, 1918
Daw1919	orb -	Dawson, B.H.	1919AJ.....32..109D
Daw1919		AJ 32, 109, 1919
Daw1920	orb -	Dawson, B.H.	1920AJ.....32..141D
Daw1920		AJ 32, 141, 1920
Daw1920b	orb -	Dawson, B.H.	1920AJ.....32..161D
Daw1920b		AJ 32, 161, 1920
Daw1922	Ma -	Dawson, B.H.	.
Daw1922		Pub. La Plata Obs. 4, Pt.2, 1922
Daw1922b	orb -	Dawson, B.H.	1922AJ.....34...17D
Daw1922b		AJ 34, 17, 1922
Daw1924a	Ma -	Dawson, B.H.	1924AJ.....35..147D
Daw1924a		AJ 35, 147, 1924 (DAW 112 - 158; data also in Daw1937)
Daw1924b	orb -	Dawson, B.H.	1924AJ.....36...23D
Daw1924b		AJ 36, 23, 1924
Daw1926	orb -	Dawson, B.H.	1926AJ.....36..181D
Daw1926		AJ 36, 181, 1926
Daw1927A	Ma -	Dawson, B.H.	1927sdsc.book......
Daw1927A		cited in SDS (Southern Double Star Cat.), 1927
Daw1933	orb -	Dawson, B.H.	1933AJ.....43...15D
Daw1933		AJ 43, 15, 1933
Daw1937	Ma -	Dawson, B.H.	.
Daw1937		Pub. La Plata Obs. 6, 85, 1937
Daw9999	Ma -	Dawson, B.H.	...................
Daw9999		Unpublished, manuscript or reference not found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
12039-3026	DAW 136		1991	5	268	2.5	10.32	11.52	K1/2(III)		120355.35-302539.6
12039-3026	DAW 136		2015	6	266	2.3	10.32	11.52	K1/2(III)		120355.35-302539.6
12039-3026	DAW 136		2016	8	266	2.3	10.32	11.52	K1/2(III)		120355.35-302539.6

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

WDS 12039-3026 DAW 136 (HD 104771) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 12039-3026 DAW 136 (HD 104771) : MEASURES

No records found.

WDS 12039-3026 (HD 104771) : VIRTUAL EYEPIECE

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

WDS 12039-3026 (HD 104771) : ALADIN DSS IMAGE @ 12^h 03^m 55.35^s -30° 25' 39.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 12039-3026 DAW 136 (HD 104771) : 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		12039-3026	DAW 136		266	2.3	1
Show		12040-3037	DAW 137		88	2.2	12
Show		12025-3055	BRT2990		72	3.5	35
Show		12053-2953	RST1643		66	2.0	37
Show		12028-2947	RUZ 4		39	85.4	41
Show		12011-3048	LDS5746		133	201.6	43
Show		12004-3020	DAW 135	AB	55	3.7	46
Show		12046-3111	RSS 281	AB	160	8.6	47
Show		11598-3036	UC 2248		114	15.4	55
Show		12015-3123	TDS8177		267	0.5	66
Show		12051-2920	SKF1912		318	40.6	67
Show		12066-3137	RUZ 2		7	5.6	80
Show		12064-3145	TDS8224		189	0.6	86
Show		12102-3104	RST1650		86	2.4	90
Show		12109-3010	B 1208		294	4.2	93
Show		12064-3153	RST2778		205	0.4	93
Show		11581-2930	LDS 375		347	9.2	93
Show		12115-3024	TDS8261		290	0.5	99
Show		12117-3036	HJ 4505	AB	276	10.1	102
Show		12117-3036	KNP 2	AC	116	37.3	102
Show		12110-2934	BRT2991		132	5.4	106
Show		11575-3131	B 1711		172	2.7	106
Show		11559-3005	KPP1003		268	8.1	107
Show		12112-3132	BRT2992		34	2.7	115
Show		12064-3217	TVB 248		2	14.3	116
Show		11552-2951	B 1201		289	2.2	119
Show		12011-3222	COO 134		167	5.0	122
Show		12001-2834	RST1628		218	1.3	122
Show		12071-2830	UC 2276		57	15.0	123
Show		12041-2822	RUZ 5	AB	347	4.2	125
Show		12041-2822	RUZ 5	AC	271	4.0	125
Show		12049-2817	RST1642		233	1.0	129
Show		12008-3230	RSS 277		185	4.7	131
Show		12062-3233	DAM 571		2	10.9	133
Show		12056-3237	KPP1884		252	14.7	134
Show		12057-3237	TSN 84		24	14.5	134
Show		12003-3231	LDS4164		90	180.9	135
Show		12070-3235	RST1645		47	2.6	136
Show		12019-2811	RST1633		298	3.6	138
Show		12121-2856	RST1654		112	2.2	139
Show		11545-2917	LDS4157		37	14.7	141
Show		12143-3113	TVB 250		333	15.0	142
Show		11567-3216	TOK 146	BE	113	4.8	144
Show		11567-3216	DUN 116	BC	359	21.8	144
Show		11567-3216	DUN 116	AB	82	18.7	145
Show		11567-3216	DUN 116	AC	38	30.0	145
Show		11567-3216	CVN 86	AF	178	5.8	145
Show		12007-3247	RUZ 3		105	8.7	148
Show		12150-2946	I 81		343	2.7	149
Show		12155-3106	RST1658		193	0.5	154
Show		12087-2804	SKF1914		265	18.8	155

WDS 12039-3026 : COMPONENTS

	A
B	pa=265.8° sep=2.02"

12039-3026 A

Componente originario normalizzato	AB	Name	HD 104771	Coord arcsec 2000	120355.35-302539.6	Mag	10.32
Spectral class	K1/2(III) (yellow-orange)	PmRA	-27.00	PmDE	4.0	SAO	203092
Tycho2	7231-00558-1	HD	104771	DM	CD-29 9526

Tycho2

Tycho2	7231-00558-1	Pflag		RAmdeg	180.98061993	DEmdeg	-30.42766606
PmRA	-10.0	PmDE	2.5	E RAmdeg	26	E DEmdeg	33
E pmRA	1.7	E pmDE	1.9	EpRAm	1981.67	EpDEm	1981.55
Num	6	Q RAmdeg	1.9	Q DEmdeg	0.9	Q pmRA	1.9
Q pmDE	0.9	BTmag	11.751	E BTmag	0.089	VTmag	10.259
E VTmag	0.044	Prox	999	TYC	T	HIP
CCDM		RAdeg	180.98065750	DEdeg	-30.42767056	EpRA 1990	1.74
EpDE 1990	1.42	E RAdeg	32.8	E DEdeg	40.4	Posflg
Corr	0.1

SAO

SAO	203092	DelFlag		RA1950		PmRA1950	-0.0029
DE1950		PmDE1950	0.007	Vmag	9.9	SpType	K0
Double code		Source	40	CatNum	6012	DM	CD-29 9526
DMcomp		BDsup		HD	104771	M HD	0
GC		RA1950rad	3.14749667	DE1950rad	-0.52620104	PmRA2000	-0.0028
PmDE2000	0.011

CCDM

Ccdm	12039-3026	RComp		Comp	A	Note1
Note2		Discov num		DRAs	1.21	DDEs	21.4
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	10.0	Sp	K0	PmNote	*
PmRA	-38	PmDE	7	Dm number	-29 9526	Cat1	CD
Name2	203092	Cat2	SAO	HD	104771	M HD
ADS BDS		M ADS BDS		N IDS		IDS	11588S2952A
HIC

12039-3026 B

Componente originario normalizzato	AB		Coord arcsec 2000	120355.19-302539.7		Mag	11.52		PmRA	-27.00
PmDE	4.0		Calc delta mag	1.2		Calc coord	yes

CCDM

Ccdm	12039-3026	RComp		Comp	B	Note1
Note2		Discov num	DAW 136	DRAs		DDEs
R dRAs		Year	1939	Theta	265	Rho	2.2
Obs	3	Vmag	12.2	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	11588S2952B
HIC