09398-1034 CHR 175 (37 Hya)

09^h 39^m 47.42^s -10° 34' 13.0" P.A. 130.00 sep 0.3 mag 8.81,6.43 Sp A0Vn dist. 307.69 pc (1003.68 l.y.)

Coord 2000	09398-1034	Discov num	CHR 175	Comp		Coord arcsec 2000	09 39 47.42 -10 34 13.0
Date first	1988	Date last	2013	Obs	10
Pa first	135	Pa last	130.3	P.A. Now (θ)	130.3°
Sep first	0.4	Sep last	0.327	Sep. Now (ρ)	0.327"
Mag pri	8.81	Mag sec	6.43	delta mag (ΔM)	2.38	Spectral class	A0Vn (white)
Pri motion ra	-021	Sec motion ra
Pri motion dec	+003	Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	37 Hya	Constellation	Hydra	SAO	155377	HIP	47427
Tycho2	5465-00751-1	Gaia DR2	5740410952894793088	HD	83650	HR	3846
GC	13343	BD	BD-09 2898	Flamsteed	37 Hydrae	Flamsteed name	37 Hya
Distance	307.69	Distance ly	1003.68

WDS 09398-1034 CHR 175 (37 Hya) : NOTES

discov_num	notes	refcode
CHR 175	1988.1677 Abt & Biggs (1972) note variable RV.	AbH1972
	OW Hya, Algol-type eclipsing binary, P = 14.39303 d.	Zas2011

REFERENCES

refcode	metd	author	reference
AbH1972	-	Abt. H.A. & Biggs, E.S.	1972bsrv.book.....A
AbH1972		Bibliography of Stellar Radial Velocities
Zas2011	-	Zasche, P.	...................
Zas2011		private communication, 2011

DISCOVERER

idgroup	discov	author
1	CHR	Center for High Ang. Res. Astronomy (speckle interferometry systems)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
09398-1034	CHR 175		1996	6	133	0.4	8.81	6.43	A0Vn	N D	093947.42-103413.0
09398-1034	CHR 175		2010	7	131	0.3	8.81	6.43	A0Vn	N D	093947.42-103413.0
09398-1034	CHR 175		2011	9	131	0.3	8.81	6.43	A0Vn	N D	093947.42-103413.0
09398-1034	CHR 175		2013	10	130	0.3	8.81	6.43	A0Vn	N D	093947.42-103413.0

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WDS 09398-1034 CHR 175 (37 Hya) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 09398-1034 CHR 175 (37 Hya) : MEASURES

No records found.

WDS 09398-1034 (37 Hya) : VIRTUAL EYEPIECE

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WDS 09398-1034 (37 Hya) : ALADIN DSS IMAGE @ 09^h 39^m 47.42^s -10° 34' 13.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 09398-1034 CHR 175 (37 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		09398-1034	CHR 175		130	0.3
Show		09393-1013	RST3652		101	0.6	23
Show		09387-1110	UC 1817		329	50.4	40
Show		09419-1059	GWP1217		297	41.7	41
Show		09398-0945	LDS3913		355	13.5	49
Show		09428-1011	TDS6761		87	0.4	51
Show		09365-1116	RST3648		110	2.1	65
Show		09353-1019	LDS6229		281	91.6	69
Show		09366-1127	RST3649		270	1.7	71
Show		09414-1142	GWP1213		91	23.2	72
Show		09397-1149	J 2070		248	6.3	77
Show		09338-1020	A 131	AB	324	1.0	90
Show		09338-1020	A 131	AC	322	6.6	90
Show		09338-1020	WSI 142	AD	18	29.1	90
Show		09461-1042	LDS3925		314	10.3	93
Show		09447-1140	RST3662		123	3.0	99
Show		09447-1143	DAM 502		318	4.5	100
Show		09322-1051	STF1367		184	5.6	114
Show		09324-1103	SHN 126		-1	0.2	114
Show		09469-1121	BRT3211		298	3.4	114
Show		09350-1206	HJ 817		195	12.3	115
Show		09380-0835	J 1553		15	9.6	117
Show		09440-0856	RST3659		291	0.7	117
Show		09465-0925	LDS3926		274	56.5	122
Show		09456-1203	KPP2963	AB	241	36.3	124
Show		09442-0848	TDS6774		114	0.6	126
Show		09482-1011	LDS 281		227	11.3	127
Show		09318-1126	HU 127		85	0.9	130
Show		09490-1044	J 1559		119	6.3	135
Show		09410-1250	RST3656		306	2.2	137
Show		09308-1118	UC 1807		268	54.2	139
Show		09495-1033	A 1344		273	0.2	143
Show		09339-0841	GWP1195		62	27.7	143
Show		09347-1236	STF1370		95	17.8	144
Show		09359-0823	KPP1491		133	11.2	144
Show		09319-1202	BRT2720		64	3.9	145
Show		09375-1257	TDS6696		285	0.7	147
Show		09428-1256	J 2652		4	6.5	151
Show		09454-0829	HDS1408		261	0.4	151
Show		09444-1250	KPP 197		144	3.5	152
Show		09394-0801	LDS3911		314	46.5	153
Show		09294-1013	TDS6596		122	0.6	155
Show		09322-0845	YSC 202		41	0.4	157
Show		09330-1235	HDS1375		311	0.2	158
Show		09314-1213	TDS6620		211	0.6	158
Show		09410-1311	TDS6736		75	0.5	159
Show		09440-0808	TDS6773		198	2.0	159
Show		09496-1149	GWP1242		24	13.3	164
Show		09338-1256	RST4914		204	0.3	166
Show		09424-0750	BRT 547		224	3.9	169
Show		09283-0959	STF1357	AB	54	7.7	173

WDS 09398-1034 : COMPONENTS

	A
B	pa=130.8° sep=0.32"

09398-1034 A

Componente originario normalizzato	AB	Name	37 Hya	Coord arcsec 2000	093947.42-103413.0	Mag	8.81
Spectral class	A0Vn (white)	PmRA	-21.00	PmDE	3.0	SAO	155377
HIP	47427	HD	83650	HR	3846	GC	13343
BD	BD-09 2898	Flamsteed	37 Hydrae	Flamsteed name	37 Hya

SAO

SAO	155377	DelFlag		RA1950		PmRA1950	-0.002
DE1950		PmDE1950	0	Vmag	6.2	SpType	B9
Double code		Source	70	CatNum	13343	DM	BD-09 2898
DMcomp		BDsup		HD	83650	M HD	0
GC	13343	RA1950rad	2.51915297	DE1950rad	-0.18052359	PmRA2000	-0.0016
PmDE2000	0.005

Hipparcos

Catalog	H	HIP	47427	Proxy	H	RAhms	09 39 47.42
DEdms	-10 34 13.0	Vmag	6.31	VarFlag	2	R Vmag	H
RAdeg	144.948	DEdeg	-10.5703	AstroRef	B	Plx	2.97
CCDM	09398-1034	N CCDM	M	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	BA
Theta	316	Rho	0.365	HD	83650	BD	BD-09 2898
CD		CP		Dm number	-09 2898	VIred	0
SpType	A0Vn	R SpType		Coord arcsec 2000	093947.42-103413.0

Hipparcos 2

HIP	47427	Sn	15	So	3	Nc	2
RArad	2.5298127778	DErad	-0.1844862833	Plx	3.25	PmRA	-20.47
PmDE	4.97	E RArad	0.64	E DErad	0.42	E Plx	0.75
E pmRA	0.7	E pmDE	0.44	Hpmag	6.3116	E Hpmag	0.0015
SHp	0.112	VA	1	BV	-0.029	E BV	0.01
VI	0

CCDM

Ccdm	09398-1034	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-0.58	DDEs	-13.4
R dRAs	81	Year		Theta		Rho
Obs	2	Vmag	6.3	Sp	A0	PmNote	@
PmRA	-17	PmDE	-1	Dm number	-09 2898	Cat1	BD
Name2	155377	Cat2	SAO	HD	83650	M HD
ADS BDS		M ADS BDS		N IDS	W	IDS	09398-1034A
HIC	47427

09398-1034 B

Componente originario normalizzato	AB		Coord arcsec 2000	093947.44-103413.2		Mag	6.43		Tycho2	5465-00751-1
Calc delta mag	2.38		Calc coord	yes

Tycho2

Tycho2	5465-00751-1	Pflag		RAmdeg	144.94754150	DEmdeg	-10.57027511
PmRA	-20.6	PmDE	1.6	E RAmdeg	3	E DEmdeg	4
E pmRA	0.8	E pmDE	0.8	EpRAm	1991.54	EpDEm	1991.23
Num	17	Q RAmdeg	1.0	Q DEmdeg	1.2	Q pmRA	0.8
Q pmDE	1.1	BTmag	6.322	E BTmag	0.014	VTmag	6.342
E VTmag	0.010	Prox	999	TYC	T	HIP	47427
CCDM	AB	RAdeg	144.94758889	DEdeg	-10.57027833	EpRA 1990	1.88
EpDE 1990	1.78	E RAdeg	3.4	E DEdeg	4.2	Posflg	P
Corr	0.2

CCDM

Ccdm	09398-1034	RComp		Comp	B	Note1
Note2		Discov num	CHR 175	DRAs		DDEs
R dRAs		Year	1988	Theta	134	Rho	0.4
Obs	2	Vmag		Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS	W	IDS	09398-1034B
HIC	47427