10340-2345 BU 1269 (44 Hya)

10^h 34^m 00.89^s -23° 44' 42.8" P.A. 61.00 sep 19.0 mag 5.08,14.00 Sp K4III dist. 244.5 pc (797.56 l.y.)

Coord 2000	10340-2345	Discov num	BU 1269	Comp		Coord arcsec 2000	10 34 00.89 -23 44 42.8
Date first	1892	Date last	2015	Obs	7
Pa first	64	Pa last	60.9	P.A. Now (θ)	60.9°
Sep first	18.3	Sep last	18.97	Sep. Now (ρ)	18.97"
Mag pri	5.08	Mag sec	14.00	delta mag (ΔM)	8.92	Spectral class	K4III (yellow-orange)
Pri motion ra	-008	Sec motion ra
Pri motion dec	+021	Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	44 Hya	Constellation	Hydra	SAO	178979	HIP	51718
Tycho2	6620-01355-1	Gaia DR2	5471274386434218496	HD	91550	HR	4145
GC	14524	ADS	7834	BD	BD-22 2946	CD	CD-23 9386
Flamsteed	44 Hydrae	Flamsteed name	44 Hya	FK5	399	Distance	244.5
Distance ly	797.56

WDS 10340-2345 BU 1269 (44 Hya) : NOTES

discov_num	notes	refcode
BU 1269	44 Hya.

DISCOVERER

idgroup	discov	author
1	BU	Burnham, S.W. (BU 1 - 81)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
10340-2345	BU 1269		1999	6	61	18.4	5.08	14.00	K4III	N D	103400.89-234442.8
10340-2345	BU 1269		2015	7	61	19.0	5.08	14.00	K4III	N	103400.89-234442.8

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

WDS 10340-2345 BU 1269 (44 Hya) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 10340-2345 BU 1269 (44 Hya) : MEASURES

No records found.

WDS 10340-2345 (44 Hya) : VIRTUAL EYEPIECE

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WDS 10340-2345 (44 Hya) : ALADIN DSS IMAGE @ 10^h 34^m 00.89^s -23° 44' 42.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 10340-2345 BU 1269 (44 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		10340-2345	BU 1269		61	19.0	0
Show		10349-2329	B 793		50	0.4	21
Show		10357-2323	ARA1780		268	10.3	32
Show		10360-2310	DON 423		84	0.8	45
Show		10375-2354	ARA2164		357	6.2	48
Show		10311-2411	CHR 132	Aa,Ab	193	0.1	48
Show		10311-2411	B 201	AB	68	2.0	48
Show		10381-2333	LDS4003	AB	347	49.3	58
Show		10300-2406	ARA2163		122	11.7	59
Show		10298-2419	DAM2387		88	8.9	68
Show		10377-2300	ARA1781		125	5.7	68
Show		10351-2236	UC 1960		337	20.7	71
Show		10287-2346	RST4929	Aa,Ab	58	0.3	73
Show		10287-2346	UC 1936	AB	110	20.5	73
Show		10292-2308	LDS3992		91	301.9	76
Show		10282-2352	DAM2373		342	2.1	80
Show		10287-2421	DAM2376		209	3.5	81
Show		10281-2344	DAM2371		220	1.8	82
Show		10304-2453	HJ 4322		105	13.6	85
Show		10283-2416	TOK 537	AB	95	999.9	85
Show		10283-2416	TOK 537	AC	59	999.9	85
Show		10283-2416	TOK 537	Aa,Ab	130	0.1	85
Show		10351-2217	DAM2435		149	3.3	90
Show		10402-2419	TVB 230		168	1.8	93
Show		10347-2212	RST2698		24	2.0	93
Show		10342-2210	DAM2431		253	2.4	95
Show		10265-2403	RST2691		100	2.5	105
Show		10410-2301	ARA1782		66	11.6	106
Show		10316-2534	UC 1947		265	30.7	115
Show		10297-2203	UC 1941		216	37.4	119
Show		10369-2540	UC 1965		146	12.3	122
Show		10384-2153	ARA1473		0	13.3	128
Show		10434-2346	ARA2165		7	13.7	129
Show		10310-2138	DON 414	AB	317	0.6	133
Show		10310-2138	DON 414	AC	190	5.7	133
Show		10407-2207	UC 1973		353	14.3	135
Show		10375-2551	BRT2980		195	5.9	136
Show		10357-2606	UC 1963		193	7.3	143
Show		10392-2551	TOK 135		108	6.4	145
Show		10282-2548	FIN 308	AB	182	0.1	148
Show		10282-2548	B 199	AB,C	174	1.2	148
Show		10286-2132	I 855		51	0.8	153
Show		10436-2505	B 204		293	3.3	154
Show		10227-2346	B 2238		85	11.9	156
Show		10227-2350	B 197		130	0.3	156
Show		10454-2357	TDS7455		88	0.6	157
Show		10428-2529	DON 430		51	2.0	159
Show		10224-2323	ARA1779		81	12.7	162
Show		10382-2109	DON 426		240	2.8	167
Show		10454-2249	ARA1784		265	8.4	168
Show		10453-2243	DON1090		151	4.5	168

WDS 10340-2345 : COMPONENTS

	A
B	pa=58.7° sep=17.76"

10340-2345 A

Name	44 Hya	Coord arcsec 2000	103400.89-234442.8	Mag	5.08	Spectral class	K4III (yellow-orange)
PmRA	-8.00	PmDE	21.0	SAO	178979	HIP	51718
Tycho2	6620-01355-1	HD	91550	HR	4145	GC	14524
BD	BD-22 2946	CD	CD-23 9386	Flamsteed	44 Hydrae	Flamsteed name	44 Hya
FK5	399

Tycho2

Tycho2	6620-01355-1	Pflag		RAmdeg	158.50368558	DEmdeg	-23.74516511
PmRA	-10.2	PmDE	21.4	E RAmdeg	4	E DEmdeg	4
E pmRA	0.6	E pmDE	0.6	EpRAm	1991.00	EpDEm	1990.94
Num	25	Q RAmdeg	0.8	Q DEmdeg	0.8	Q pmRA	0.8
Q pmDE	0.8	BTmag	7.157	E BTmag	0.015	VTmag	5.252
E VTmag	0.009	Prox	999	TYC	T	HIP	51718
CCDM		RAdeg	158.50371083	DEdeg	-23.74521444	EpRA 1990	1.82
EpDE 1990	1.68	E RAdeg	3.5	E DEdeg	3.8	Posflg
Corr	0.0

SAO

SAO	178979	DelFlag		RA1950		PmRA1950	-0.0009
DE1950		PmDE1950	0.017	Vmag	5.3	SpType	K2
Double code		Source	74	CatNum	399	DM	BD-22 2946
DMcomp		BDsup		HD	91550	M HD	0
GC	14524	RA1950rad	2.75602171	DE1950rad	-0.40992436	PmRA2000	-0.0007
PmDE2000	0.021

Hipparcos

Catalog	H	HIP	51718	Proxy		RAhms	10 34 00.89
DEdms	-23 44 42.8	Vmag	5.08	VarFlag	1	R Vmag	H
RAdeg	158.504	DEdeg	-23.7452	AstroRef		Plx	5.15
CCDM	10340-2345	N CCDM	I	Nsys	1	Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	91550	BD	BD-22 2946
CD	CD-23 9386	CP		Dm number	-22 2946	VIred	1.59
SpType	K5III	R SpType		Coord arcsec 2000	103400.89-234442.8

Hipparcos 2

HIP	51718	Sn	5	So	0	Nc	1
RArad	2.7664116696	DErad	-0.4144322032	Plx	4.09	PmRA	-10.01
PmDE	20.35	E RArad	0.21	E DErad	0.15	E Plx	0.24
E pmRA	0.25	E pmDE	0.18	Hpmag	5.1978	E Hpmag	0.0011
SHp	0.009	VA	0	BV	1.596	E BV	0.011
VI	1.59

CCDM

Ccdm	10340-2345	RComp		Comp	A	Note1
Note2		Discov num		DRAs	0.88	DDEs	17.5
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	5.3	Sp	K4	PmNote	*
PmRA	-12	PmDE	17	Dm number	-22 2946	Cat1	BD
Name2	178979	Cat2	SAO	HD	91550	M HD
ADS BDS	A 7834	M ADS BDS		N IDS		IDS	10293S2314A
HIC	51718

10340-2345 B

Coord arcsec 2000

103402.00-234433.6

Mag

Calc delta mag

8.92

Calc coord

yes

CCDM

Ccdm	10340-2345	RComp		Comp	B	Note1
Note2		Discov num	BU 1269	DRAs	2.09	DDEs	26.9
R dRAs	90	Year	1892	Theta	061	Rho	19.1
Obs	5	Vmag	14.0	Sp		PmNote
PmRA	-12	PmDE	17	Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A 7834	M ADS BDS		N IDS		IDS	10293S2314B
HIC