08555-0758 STF 1295 (17 Hya)

08^h 55^m 29.60^s -07° 58' 15.9" P.A. 3.00 sep 4.0 mag 6.73,6.93 Sp A2m+A7m dist. 88.5 pc (288.69 l.y.)

Coord 2000	08555-0758	Discov num	STF1295	Comp		Coord arcsec 2000	08 55 29.60 -07 58 15.9
Date first	1782	Date last	2020	Obs	110
Pa first	357	Pa last	3.2	P.A. Now (θ)	3.2°
Sep first	5.0	Sep last	4.04	Sep. Now (ρ)	4.04"
Mag pri	6.73	Mag sec	6.93	delta mag (ΔM)	0.2	Spectral class	A2m+A7m (white/white)
Pri motion ra	+008	Sec motion ra	+008
Pri motion dec	-026	Sec motion dec	-026
Notes	N (See Notes)

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	17 Hya	Constellation	Hydra	SAO	136408	HIP	43822
Tycho2	5443-01951-1	Gaia DR2	5756766016559683200	HD	76369	HR	3552
GC	12334	ADS	7093	BD	BD-07 2661	Flamsteed	17 Hydrae
Flamsteed name	17 Hya	Distance	88.5	Distance ly	288.69

WDS 08555-0758 STF 1295 (17 Hya) : NOTES

discov_num	notes	refcode
STF1295	17 Hya. Both components are metallic-line stars.
	H 2 77.	MEv2010

REFERENCES

refcode	metd	author	reference
MEv2010	-	MacEvoy, B.	...................
MEv2010		private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)

DISCOVERER

idgroup	discov	author
1	STF	Struve, F.G.W.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
08555-0758	STF1295		2007	96	4	4.0	6.73	6.93	A2m A7m	N D	085529.60-075815.9
08555-0758	STF1295		2010	98	4	4.0	6.73	6.93	A2m A7m	N D	085529.60-075815.9
08555-0758	STF1295		2013	101	4	3.9	6.73	6.93	A2m A7m	N D	085529.60-075815.9
08555-0758	STF1295		2014	101	4	4.1	6.73	6.93	A2m A7m	N D	085529.60-075815.9
08555-0758	STF1295		2016	103	4	4.1	6.73	6.93	A2m+A7m	N	085529.60-075815.9
08555-0758	STF1295		2017	106	4	4.1	6.73	6.93	A2m+A7m	N	085529.60-075815.9
08555-0758	STF1295		2020	109	3	4.0	6.73	6.93	A2m+A7m	N	085529.60-075815.9

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

WDS 08555-0758 STF 1295 (17 Hya) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 08555-0758 STF 1295 (17 Hya) : MEASURES

No records found.

WDS 08555-0758 (17 Hya) : VIRTUAL EYEPIECE

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WDS 08555-0758 (17 Hya) : ALADIN DSS IMAGE @ 08^h 55^m 29.60^s -07° 58' 15.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 08555-0758 STF 1295 (17 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		08555-0758	STF1295		3	4.0
Show		08553-0746	TDS6183		165	0.4	13
Show		08549-0749	BU 103		72	3.0	13
Show		08570-0754	GWP1120		14	24.3	24
Show		08538-0758	RST4425		307	0.9	25
Show		08544-0821	GWP1105		157	41.3	28
Show		08560-0724	GWP1115	AB	49	57.0	35
Show		08560-0724	KPP2968	BC	237	50.4	36
Show		08532-0732	GWP1100		324	11.5	43
Show		08542-0846	BU 24		174	1.2	51
Show		08530-0834	GWP1099		337	22.2	52
Show		08540-0700	J 1535		144	5.5	63
Show		08596-0758	J 2892		150	7.6	64
Show		09004-0809	OL 171		118	1.8	74
Show		08532-0652	J 2890		330	4.9	75
Show		08516-0711	BU 587	AB	121	1.2	76
Show		08516-0711	H 5 120	AB,C	6	45.6	76
Show		08516-0711	BU 587	AB,D	56	55.5	76
Show		08564-0916	GWP1116		316	8.6	80
Show		08593-0859	HDS1302		156	0.7	84
Show		08537-0638	DAM1502		159	1.3	85
Show		08556-0924	BRT 422		81	4.3	86
Show		09001-0706	WFC 247		58	12.7	87
Show		08536-0636	A 1080		331	1.4	88
Show		08517-0647	BU 407	AB	167	5.8	91
Show		08517-0647	BU 407	AC	165	91.9	91
Show		09004-0852	BRT 544		-1	-1.0	91
Show		09015-0816	BRT 546		140	2.7	91
Show		08501-0716	HJ 2471		41	13.3	91
Show		08564-0930	J 2891		146	6.0	93
Show		08569-0933	BRT 423		55	3.3	97
Show		09016-0832	A 3071		336	1.3	98
Show		09005-0857	J 2894		128	7.5	98
Show		08500-0705	TVB 204		143	6.7	98
Show		08488-0742	J 2889		19	5.2	100
Show		08527-0929	HJ 799		348	9.6	100
Show		08497-0852	GWP1087		248	88.5	101
Show		08576-0936	WIS 151		59	999.9	103
Show		08492-0849	A 3068		21	1.0	107
Show		09008-0911	BU 409		187	9.8	108
Show		08591-0624	RAS 7		324	0.8	109
Show		09022-0845	BRT 424		315	5.2	110
Show		09013-0650	A 1340		2	0.9	111
Show		08573-0948	GWP1121		217	17.9	114
Show		08529-0954	RST4424		282	2.6	122
Show		09030-0709	TVB 209		200	1.5	122
Show		08476-0721	GWP1085		99	16.3	124
Show		08471-0747	GWP1082		55	159.6	126
Show		08543-0553	A 2966		320	0.7	127
Show		08545-0551	TSN 149		268	0.2	128
Show		08598-0607	RST4427		334	0.6	129

WDS 08555-0758 : COMPONENTS

	A
B	pa=3.2° sep=4.04"

08555-0758 A

Componente originario normalizzato	AB	Name	17 Hya	Coord arcsec 2000	085529.60-075815.9	Mag	6.73
Spectral class	A2m (white)	PmRA	8.00	PmDE	-26.0	SAO	136408
HIP	43822	Tycho2	5443-01951-1	HD	76369	HR	3552
GC	12334	BD	BD-07 2661	Flamsteed	17 Hydrae	Flamsteed name	17 Hya

Tycho2

Tycho2	5443-01951-1	Pflag	X	RAmdeg		DEmdeg
PmRA		PmDE		E RAmdeg		E DEmdeg
E pmRA		E pmDE		EpRAm		EpDEm
Num		Q RAmdeg		Q DEmdeg		Q pmRA
Q pmDE		BTmag	6.960	E BTmag	0.015	VTmag	6.729
E VTmag	0.010	Prox	41	TYC	T	HIP	43822
CCDM	A	RAdeg	133.87334833	DEdeg	-7.97109333	EpRA 1990	1.79
EpDE 1990	1.46	E RAdeg	3.6	E DEdeg	4.4	Posflg
Corr	0.0

SAO

SAO	136408	DelFlag		RA1950		PmRA1950	-0.0004
DE1950		PmDE1950	-0.042	Vmag	6.9	SpType	A3
Double code		Source	70	CatNum	12334	DM	BD-07 2661
DMcomp	B	BDsup		HD	76369	M HD	0
GC	12334	RA1950rad	2.32583113	DE1950rad	-0.13574991	PmRA2000	-0.0001
PmDE2000	-0.038

Hipparcos

Catalog	H	HIP	43822	Proxy	H	RAhms	08 55 29.60
DEdms	-07 58 15.9	Vmag	6.07	VarFlag		R Vmag	G
RAdeg	133.873	DEdeg	-7.97109	AstroRef	A	Plx	10.24
CCDM	08555-0758	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	3	Rho	4.097	HD	76369	BD	BD-07 2661
CD		CP		Dm number	-07 2661	VIred	0.24
SpType	A3	R SpType		Coord arcsec 2000	085529.60-075815.9

Hipparcos 2

HIP	43822	Sn	15	So	3	Nc	2
RArad	2.3365307853	DErad	-0.1391217546	Plx	11.3	PmRA	5.17
PmDE	-26.42	E RArad	0.87	E DErad	0.41	E Plx	0.9
E pmRA	0.9	E pmDE	0.46	Hpmag	6.1509	E Hpmag	0.001
SHp	0.01	VA	0	BV	0.22	E BV	0.042
VI	0.24

CCDM

Ccdm	08555-0758	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-0.47	DDEs	-13.0
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	6.7	Sp	A3	PmNote	*
PmRA	-3	PmDE	-41	Dm number	-07 2661	Cat1	BD
Name2	136408	Cat2	SAO	HD	76370	M HD
ADS BDS	A 7093	M ADS BDS		N IDS		IDS	08506S0735A
HIC	43822

08555-0758 B

Componente originario normalizzato	AB	Coord arcsec 2000	085529.62-075811.9	Mag	6.93	Spectral class	A7m (white)
PmRA	8.00	PmDE	-26.0	Tycho2	5443-01951-2	Calc delta mag	0.2
Calc coord	yes

Tycho2

Tycho2	5443-01951-2	Pflag		RAmdeg	133.87343069	DEmdeg	-7.96996191
PmRA	5.3	PmDE	-4.5	E RAmdeg	4	E DEmdeg	5
E pmRA	2.4	E pmDE	2.4	EpRAm	1991.76	EpDEm	1991.51
Num	3	Q RAmdeg	0.5	Q DEmdeg	1.4	Q pmRA	0.5
Q pmDE	1.5	BTmag	7.157	E BTmag	0.015	VTmag	6.933
E VTmag	0.010	Prox	41	TYC		HIP	43822
CCDM	B	RAdeg	133.87341833	DEdeg	-7.96995139	EpRA 1990	1.79
EpDE 1990	1.55	E RAdeg	3.7	E DEdeg	4.5	Posflg
Corr	0.0

CCDM

Ccdm	08555-0758	RComp		Comp	B	Note1
Note2		Discov num	STF1295	DRAs		DDEs
R dRAs		Year	1831	Theta	360	Rho	4.4
Obs	29	Vmag	6.9	Sp	A3	PmNote
PmRA	4	PmDE	-40	Dm number		Cat1
Name2		Cat2		HD	76369	M HD
ADS BDS	A 7093	M ADS BDS	N	N IDS		IDS	08506S0735B
HIC	43822