13305-2339 HO 540 (SS Hya)

13^h 30^m 29.51^s -23° 38' 58.2" P.A. 186.00 sep 14.1 mag 7.90,13.00 Sp A0V dist. 135.32 pc (441.41 l.y.)

Coord 2000	13305-2339	Discov num	HO 540	Comp		Coord arcsec 2000	13 30 29.51 -23 38 58.2
Date first	1895	Date last	2015	Obs	7
Pa first	198	Pa last	185.9	P.A. Now (θ)	185.9°
Sep first	13.5	Sep last	14.12	Sep. Now (ρ)	14.12"
Mag pri	7.90	Mag sec	13.00	delta mag (ΔM)	5.1	Spectral class	A0V (white)
Pri motion ra	-012	Sec motion ra	+013
Pri motion dec	-005	Sec motion dec	-008
Notes	N S (See Notes, Parallax indidates non-physical)

rPM=1.65

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Var name	SS Hya	Constellation	Hydra	SAO	181708	HIP	65896
Tycho2	6713-01286-1	Gaia DR2	6194820897993525632	HD	117408	BD	BD-22 3604
CD	CD-22 9968	Distance	135.32	Distance ly	441.41

WDS 13305-2339 HO 540 (SS Hya) : NOTES

discov_num	notes	refcode
HO 540	A is an Algol-type system, SS Hya.

REFERENCES

refcode	metd	author	reference
Ho_1883	Ma j	Hough, G.W.	1883MNRAS..43..371H
Ho_1883		MNRAS 43, 371, 1883 (data also in Ho_1890)	1890AN....125....1H
Ho_1884	Ma j	Hough, G.W.	1884MNRAS..44..365H
Ho_1884		MNRAS 44, 365, 1884 (data also in Ho_1890)	1890AN....125....1H
Ho_1885	Ma j	Hough, G.W.	1885MNRAS..45..417H
Ho_1885		MNRAS 45, 417, 1885 (data also in Ho_1890)	1890AN....125....1H
Ho_1886	Ma j	Hough, G.W.	1886MNRAS..46..393H
Ho_1886		MNRAS 46, 393, 1886 (data also in Ho_1890)	1890AN....125....1H
Ho_1887	Ma j	Hough, G.W.	1887AN....116..273H
Ho_1887		AN 116, 273, 1887
Ho_1890	Ma j	Hough, G.W.	1890AN....125....1H
Ho_1890		AN 125, 1, 1890
Ho_1890b	Ma j	Hough, G.W.	1890AJ......9..177H
Ho_1890b		AJ 9, 177, 1890 (some data also in Ho_1890 or Ho_1894b)	1890AN....125....1H
Ho_1894a	Ma -	Hough, G.W.	1894MNRAS..54..251H
Ho_1894a		MNRAS 54, 251, 1894
Ho_1894b	Ma j	Hough, G.W. (HO 304 - 490)	1894AN....135..281H
Ho_1894b		AN 135, 281, 1894
Ho_1894c	Ma -	Hough, G.W. (measure by Dembowski, H.)	1894AN....135..281H
Ho_1894c		AN 135, 281, 1894
Ho_1899a	Ma j	Hough, G.W.	1899AN....149..65H
Ho_1899a		AN 149, 65, 1899
Ho_1899b	Ma -	Hough, G.W. (measure by Burnham, S.W.)	1899AN....149..65H
Ho_1899b		AN 149, 65, 1899
Ho_1907	Ma -	Hough, G.W.	1907PFAO....3c...1D
Ho_1907		Pub. Univ. Penn. 3, Pt. 3, 1907 (measures sent to Doolittle)
Ho_1932A	Ma -	Hough, G.W.	1932QB821.A43......
Ho_1932A		cited in ADS, 1932 (unpublished measures sent to Aitken in manuscript by Fox)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
13305-2339	HO 540		2003	4	192	17.4	7.90	13.00	A0V	N D	133029.51-233858.2
13305-2339	HO 540		2015	7	186	14.1	7.90	13.00	A0V	NS	133029.51-233858.2

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WDS 13305-2339 HO 540 (SS Hya) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 13305-2339 HO 540 (SS Hya) : MEASURES

No records found.

WDS 13305-2339 (SS Hya) : VIRTUAL EYEPIECE

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WDS 13305-2339 (SS Hya) : ALADIN DSS IMAGE @ 13^h 30^m 29.51^s -23° 38' 58.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 13305-2339 HO 540 (SS Hya) : 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		13305-2339	HO 540		186	14.1
Show		13307-2327	HJ 2655		270	11.4	13
Show		13306-2353	BRT1488		22	3.9	15
Show		13297-2317	HO 381		323	21.1	25
Show		13286-2306	HDS1887		321	0.2	43
Show		13321-2258	HJ 4593		272	26.8	47
Show		13267-2418	BGH 6		268	319.0	61
Show		13263-2315	STN 30		352	1.4	64
Show		13321-2450	B 251		221	1.6	75
Show		13257-2255	AHD9023		109	22.5	80
Show		13333-2458	BRT3002		56	4.6	88
Show		13271-2222	BU 1107		131	1.5	90
Show		13239-2346	ARA2185		234	9.0	91
Show		13372-2337	TOK 852	AB	339	0.3	92
Show		13377-2337	RST2856	AB	286	0.4	100
Show		13382-2341	LDS4385	AB	314	28.2	107
Show		13382-2341	TOK 404	Aa,Ab	208	0.1	107
Show		13232-2252	DON 599		128	1.7	111
Show		13242-2228	B 2314		31	7.6	112
Show		13225-2257	ARG 26	AB	80	27.5	118
Show		13225-2257	SHY 618	AC	238	999.9	118
Show		13385-2242	UC 2575	AB	212	42.5	125
Show		13220-2250	BU 1435		285	6.0	126
Show		13336-2142	LDS4376		43	18.3	126
Show		13274-2138	LDS6278		106	138.6	128
Show		13389-2442	UC 2576		214	48.8	132
Show		13214-2248	HU 1503		202	1.5	136
Show		13263-2132	UC 2536		340	31.2	140
Show		13214-2441	BRT2999	AB	169	4.8	140
Show		13406-2313	KPP1993		320	15.8	142
Show		13252-2138	ARA1485		291	13.8	142
Show		13212-2446	RST2842		315	1.6	144
Show		13252-2127	JAO 7		162	68.9	151
Show		13415-2327	FIN 352	AB	131	0.3	153
Show		13415-2327	HJ 4606	AB,C	345	31.0	153
Show		13318-2611	TDS8863		273	0.4	154
Show		13270-2608	KPP 669		196	6.0	156
Show		13399-2212	DON1105		91	5.6	157
Show		13284-2613	LDS4366		275	11.9	157
Show		13391-2153	TDS8918		80	0.8	160
Show		13189-2310	SMY 3		98	127.8	162
Show		13200-2226	TDS 702		196	1.1	163
Show		13393-2535	LDS4388		48	25.3	167
Show		13180-2330	I 920		216	1.4	172
Show		13419-2453	UC 2590		230	28.7	172
Show		13236-2607	RST2846		14	1.9	175
Show		13430-2414	LDS4396		59	112.0	176
Show		13298-2634	B 250		47	0.5	176
Show		13327-2045	TDS8869		266	0.5	177
Show		13336-2640	KPP2450		82	21.6	187
Show		13410-2142	B 2319		273	0.6	187

WDS 13305-2339 : COMPONENTS

	A
B	pa=185.4° sep=14.11"

13305-2339 A

Componente originario normalizzato	AB	Var name	SS Hya	Coord arcsec 2000	133029.51-233858.2	Mag	7.9
Spectral class	A0V (white)	PmRA	-12.00	PmDE	-5.0	SAO	181708
HIP	65896	Tycho2	6713-01286-1	HD	117408	BD	BD-22 3604
CD	CD-22 9968

Tycho2

Tycho2	6713-01286-1	Pflag		RAmdeg	202.62294223	DEmdeg	-23.64949730
PmRA	-13.1	PmDE	-4.3	E RAmdeg	5	E DEmdeg	7
E pmRA	1.3	E pmDE	1.3	EpRAm	1991.09	EpDEm	1990.28
Num	10	Q RAmdeg	0.6	Q DEmdeg	0.3	Q pmRA	0.5
Q pmDE	0.4	BTmag	7.894	E BTmag	0.016	VTmag	7.867
E VTmag	0.013	Prox	999	TYC	T	HIP	65896
CCDM		RAdeg	202.62297556	DEdeg	-23.64948667	EpRA 1990	1.56
EpDE 1990	1.13	E RAdeg	5.2	E DEdeg	6.5	Posflg
Corr	0.0

SAO

SAO	181708	DelFlag		RA1950		PmRA1950	0.0002
DE1950		PmDE1950	-0.042	Vmag		SpType	A0
Double code		Source	25	CatNum	9941	DM	CD-22 9968
DMcomp		BDsup		HD	117408	M HD	0
GC		RA1950rad	3.52445957	DE1950rad	-0.4082679	PmRA2000	0.0003
PmDE2000	-0.037

Hipparcos

Catalog	H	HIP	65896	Proxy		RAhms	13 30 29.51
DEdms	-23 38 58.2	Vmag	7.89	VarFlag		R Vmag	H
RAdeg	202.623	DEdeg	-23.6495	AstroRef		Plx	5.8
CCDM	13305-2339	N CCDM	I	Nsys	1	Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	117408	BD	BD-22 3604
CD	CD-22 9968	CP		Dm number	-22 3604	VIred	0
SpType	A0V	R SpType		Coord arcsec 2000	133029.51-233858.2

Hipparcos 2

HIP	65896	Sn	5	So	0	Nc	1
RArad	3.5364380171	DErad	-0.4127614044	Plx	7.39	PmRA	-12.61
PmDE	-3.98	E RArad	0.99	E DErad	0.59	E Plx	0.83
E pmRA	1.14	E pmDE	0.67	Hpmag	7.9049	E Hpmag	0.0017
SHp	0.01	VA	0	BV	0.008	E BV	0.014
VI	0.03

CCDM

Ccdm	13305-2339	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-0.41	DDEs	-0.8
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag		Sp	A0	PmNote	*
PmRA	3	PmDE	-42	Dm number	-22 3604	Cat1	BD
Name2	181708	Cat2	SAO	HD	117408	M HD
ADS BDS	A 8923	M ADS BDS		N IDS		IDS	13250S2308A
HIC	65896

13305-2339 B

Componente originario normalizzato	AB		Coord arcsec 2000	133029.41-233912.2		Mag	13		PmRA	13.00
PmDE	-8.0		Calc delta mag	5.1		Calc coord	yes

CCDM

Ccdm	13305-2339	RComp		Comp	B	Note1
Note2		Discov num	HO 540	DRAs		DDEs
R dRAs		Year	1895	Theta	196	Rho	13.3
Obs	2	Vmag	13.0	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A 8923	M ADS BDS	N	N IDS		IDS	13250S2308B
HIC