10561-2108 S 618 (HD 94749)

10^h 56^m 05.10^s -21° 07' 40.4" P.A. 38.00 sep 79.5 mag 8.94,9.03 Sp K4/5III dist. 227.27 pc (741.35 l.y.)

Coord 2000	10561-2108	Discov num	S 618	Comp		Coord arcsec 2000	10 56 05.10 -21 07 40.4
Date first	1825	Date last	2015	Obs	16
Pa first	36	Pa last	37.5	P.A. Now (θ)	37.5°
Sep first	79.1	Sep last	79.48	Sep. Now (ρ)	79.48"
Mag pri	8.94	Mag sec	9.03	delta mag (ΔM)	0.09	Spectral class	K4/5III (yellow-orange)
Pri motion ra	-030	Sec motion ra	-017
Pri motion dec	-002	Sec motion dec	-008
Notes	N (See Notes)

rPM=0.476

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 94749	Constellation	Hydra	SAO	179350	HIP	53458
Tycho2	6082-01975-1	Gaia DR2	3550675821819258368	HD	94749	BD	BD-20 3300
Distance	227.27	Distance ly	741.35

WDS 10561-2108 S 618 (HD 94749) : NOTES

discov_num	notes	refcode
S 618	B is BD-20@3300.

REFERENCES

refcode	metd	author	reference
S__1826	Ma -	South, J.	1826RSPT..116....1S
S__1826		Phil. Trans. R. Soc., 116, Pt.1, 1826
S__1844A	Ma -	South, J.	1844QB43.S66.......
S__1844A		cited by Smyth (Cycle of Celestial Objects 2, 1844)
S__1852A	Ma -	South, J.	.
S__1852A		cited by Bishop (Bishop Obs. Astron. Observations 1852)
S__1880A	Ma -	South, J.	1880MNRAS..40..497B
S__1880A		cited by Burnham (MNRAS 40, 497, 1880)
S__1906A	Ma -	South, J.	1906MmRAS..56....1L
S__1906A		cited by Lewis (MemRAS 56, 1, 1906)
S__1906B	Ma -	South, J.	1906QB821.B972.....
S__1906B		cited in BDS (Burnham Double Star Cat., 1906)
S__1913A	Ma -	South, J.	1913QB811.B8.......
S__1913A		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
S__1922A	Ma -	South, J.	1922AN....216...49R
S__1922A		cited by Rabe (AN 216, 49, 1922)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
10561-2108	S 618		1998	13	37	79.6	8.94	9.03	K4/5III	N D	105605.10-210740.4
10561-2108	S 618		1999	14	38	79.4	8.94	9.03	K4/5III	N D	105605.10-210740.4
10561-2108	S 618		2010	15	38	79.4	8.94	9.03	K4/5III	N	105605.10-210740.4
10561-2108	S 618		2015	16	38	79.5	8.94	9.03	K4/5III	N	105605.10-210740.4

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

WDS 10561-2108 S 618 (HD 94749) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 10561-2108 S 618 (HD 94749) : MEASURES

No records found.

WDS 10561-2108 (HD 94749) : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 10561-2108 (HD 94749) : ALADIN DSS IMAGE @ 10^h 56^m 05.10^s -21° 07' 40.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 10561-2108 S 618 (HD 94749) : 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		10561-2108	S 618		38	79.5	1
Show		10540-2055	UC 2020		68	33.6	32
Show		10530-2045	RST3719		46	0.8	50
Show		10566-2202	TDS7564		299	0.7	55
Show		10577-2157	SLW 545		79	146.0	55
Show		10571-2009	RST3721	AB	344	0.7	61
Show		10571-2009	ARA 676	AC	53	12.0	61
Show		10516-2115	BU 1428		186	45.3	63
Show		10514-2053	CVR 108		157	13.4	68
Show		10535-2008	HO 533	BC	132	13.7	70
Show		10535-2008	HO 533	BD	297	40.5	70
Show		10535-2008	BU 1429	AB	222	119.6	70
Show		10512-2131	HO 375		176	12.4	72
Show		10540-1958	GWP1488		250	93.5	76
Show		10576-1955	GWP1506		328	40.6	76
Show		10552-2225	ARA1475		203	7.5	79
Show		10539-2223	BRT1483		113	3.9	82
Show		10576-1945	ARA 677		32	15.1	85
Show		10520-2211	RST2717		132	1.2	86
Show		11020-2130	UC 2060		11	137.8	86
Show		10543-1938	KPP 617		275	5.6	94
Show		10523-1948	RST3718		260	1.7	97
Show		10585-1935	TDS7583		246	0.8	99
Show		10507-2002	RST3715		324	2.0	100
Show		10518-2229	RST2716		226	2.3	102
Show		10591-1931	RST3722		273	0.3	106
Show		11017-1955	B 1696		4	1.9	107
Show		11038-2100	UC 2066		327	45.1	109
Show		11015-1949	RSS 253			17.0	109
Show		11036-2038	LDS4051		242	8.7	111
Show		10522-2248	ARA1785		145	8.1	116
Show		10524-1924	GWP1477		206	49.6	117
Show		11044-2102	ARA1090		235	12.8	117
Show		10503-2234	LDS4024		59	10.5	118
Show		10512-1932	KPP 993		48	8.0	119
Show		10484-2014	LDS 315		296	25.9	121
Show		10502-1938	ARA 674		268	12.7	123
Show		10536-2308	LDS 318		239	24.5	125
Show		10558-2314	ARA1786		192	12.8	126
Show		11019-1932	ARA 414		197	16.5	127
Show		10485-2223	RST2710		230	0.6	129
Show		11054-2049	DAM 713		168	16.1	133
Show		10485-1948	ARA 673		136	14.4	134
Show		10537-2321	DON 445		289	7.8	138
Show		10475-2221	LAF 41	AB	332	4.8	140
Show		10475-2221	SHY 218	AC	340	230.9	140
Show		11045-1940	HDS1580		285	17.5	147
Show		11062-2028	UC 2079		32	43.0	148
Show		10564-2335	DON 448		207	0.7	148
Show		10541-2333	LDS 320		252	31.9	148
Show		10566-1840	HDS1563		215	1.2	148

WDS 10561-2108 : COMPONENTS

	A
B	pa=35.6° sep=77.54"

10561-2108 A

Componente originario normalizzato	AB	Name	HD 94749	Coord arcsec 2000	105605.10-210740.4	Mag	8.94
Spectral class	K4/5III (yellow-orange)	PmRA	-30.00	PmDE	-2.0	SAO	179350
Tycho2	6082-01975-1	HD	94749	DM	BD-20 3299

Tycho2

Tycho2	6082-01975-1	Pflag		RAmdeg	164.02126643	DEmdeg	-21.12789740
PmRA	-29.2	PmDE	-2.9	E RAmdeg	8	E DEmdeg	12
E pmRA	1.4	E pmDE	1.4	EpRAm	1990.98	EpDEm	1989.40
Num	8	Q RAmdeg	0.6	Q DEmdeg	0.6	Q pmRA	0.7
Q pmDE	0.6	BTmag	10.720	E BTmag	0.036	VTmag	8.941
E VTmag	0.014	Prox	794	TYC	T	HIP
CCDM		RAdeg	164.02133722	DEdeg	-21.12789056	EpRA 1990	1.88
EpDE 1990	1.68	E RAdeg	7.9	E DEdeg	12.8	Posflg
Corr	0.1

SAO

SAO	179350	DelFlag		RA1950		PmRA1950	-0.0043
DE1950		PmDE1950	-0.01	Vmag	8.3	SpType	K5
Double code		Source	23	CatNum	4811	DM	BD-20 3299
DMcomp		BDsup		HD	94749	M HD	0
GC		RA1950rad	2.85205829	DE1950rad	-0.36408666	PmRA2000	-0.0041
PmDE2000	-0.005

10561-2108 B

Componente originario normalizzato	AB	Coord arcsec 2000	105608.33-210637.3	Mag	9.03	PmRA	-17.00
PmDE	-8.0	SAO	179352	HIP	53458	Tycho2	6082-01719-1
HD	94768	BD	BD-20 3300	Calc delta mag	0.09	Calc coord	yes

Tycho2

Tycho2	6082-01719-1	Pflag		RAmdeg	164.03566070	DEmdeg	-21.11038866
PmRA	-15.8	PmDE	-8.8	E RAmdeg	7	E DEmdeg	11
E pmRA	1.5	E pmDE	1.5	EpRAm	1991.30	EpDEm	1990.03
Num	8	Q RAmdeg	1.0	Q DEmdeg	0.9	Q pmRA	1.0
Q pmDE	0.9	BTmag	9.597	E BTmag	0.020	VTmag	9.032
E VTmag	0.015	Prox	794	TYC	T	HIP	53458
CCDM		RAdeg	164.03569917	DEdeg	-21.11036778	EpRA 1990	1.90
EpDE 1990	1.68	E RAdeg	6.8	E DEdeg	10.6	Posflg
Corr	0.1

SAO

SAO	179352	DelFlag		RA1950		PmRA1950	-0.002
DE1950		PmDE1950	-0.005	Vmag	8.5	SpType	F5
Double code		Source	23	CatNum	4813	DM	BD-20 3300
DMcomp		BDsup		HD	94768	M HD	0
GC		RA1950rad	2.85230817	DE1950rad	-0.36377975	PmRA2000	-0.0018
PmDE2000	0

Hipparcos

Catalog	H	HIP	53458	Proxy		RAhms	10 56 08.57
DEdms	-21 06 37.3	Vmag	9	VarFlag		R Vmag	H
RAdeg	164.036	DEdeg	-21.1104	AstroRef		Plx	3.95
CCDM	10561-2107	N CCDM	I	Nsys	1	Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	94768	BD	BD-20 3300
CD		CP		Dm number	-20 3300	VIred	0.6
SpType	F5V	R SpType		Coord arcsec 2000	105608.57-210637.3

Hipparcos 2

HIP	53458	Sn	5	So	0	Nc	1
RArad	2.8629630527	DErad	-0.3684453701	Plx	4.4	PmRA	-19.06
PmDE	-7.21	E RArad	1	E DErad	0.59	E Plx	1.31
E pmRA	1.16	E pmDE	1.04	Hpmag	9.1127	E Hpmag	0.0019
SHp	0.019	VA	0	BV	0.529	E BV	0.015
VI	0.6