03209+0110 HO 320 AB (HD 20771)

03^h 20^m 53.49^s +01° 09' 53.7" P.A. 173.00 sep 2.1 mag 8.77,10.99 Sp G0 dist. 69.4 pc (226.38 l.y.)

Coord 2000	03209+0110	Discov num	HO 320	Comp	AB	Coord arcsec 2000	03 20 53.49 +01 09 53.7
Date first	1890	Date last	2016	Obs	23
Pa first	168	Pa last	173.1	P.A. Now (θ)	173.1°
Sep first	1.2	Sep last	2.1	Sep. Now (ρ)	2.1"
Mag pri	8.77	Mag sec	10.99	delta mag (ΔM)	2.22	Spectral class	G0 (yellow)
Pri motion ra	+142	Sec motion ra	+140
Pri motion dec	-038	Sec motion dec	-038
Notes	Z W (Parallax indicates components are physical, )

rPM=0.014 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 20771	Constellation	Cetus	SAO	111138	HIP	15599
Tycho2	0057-00348-1	HD	20771	BD	BD+00 570	Distance	69.4
Distance ly	226.38

WDS 03209+0110 HO 320 AB (HD 20771) : NOTES

No records found.

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Ho_1932A		cited in ADS, 1932 (unpublished measures sent to Aitken in manuscript by Fox)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
03209+0110	HO 320	AB	2001	21	173	2.2	8.77	10.99	G0	W	032053.49+010953.7
03209+0110	HO 320	AB	2011	22	174	2.1	8.77	10.99	G0	W	032053.49+010953.7
03209+0110	HO 320	AB	2016	23	173	2.1	8.77	10.99	G0	ZW	032053.49+010953.7

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

WDS 03209+0110 HO 320 AB (HD 20771) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 03209+0110 HO 320 AB (HD 20771) : MEASURES

No records found.

WDS 03209+0110 (HD 20771) : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 03209+0110 (HD 20771) : ALADIN DSS IMAGE @ 03^h 20^m 53.49^s +01° 09' 53.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 03209+0110 HO 320 AB (HD 20771) : NEIGHBORHOODS

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

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		03209+0110	HO 320	AB	173	2.1
Show		03210-0054	LDS5420	AB	280	46.4	15
Show		03210-0054	LDS5420	AC	20	93.7	15
Show		03210-0054	ITF 55	AD	49	185.8	15
Show		03210-0054	ITF 55	BD	59	217.3	15
Show		03204-0054	ITF 84		261	69.1	19
Show		03199+0055	UC 984		279	34.6	22
Show		03213-0047	ITF 54		50	9.2	24
Show		03193+0105	BAL 963		63	2.3	25
Show		03225-0042	OSW 13		57	16.7	38
Show		03228-0042	GWP 457		342	83.4	40
Show		03184-0056	AC 2	AB	262	1.2	41
Show		03184-0056	LDS3472	AC	47	48.7	41
Show		03178+0100	CBL 220		97	11.9	49
Show		03188+0030	SLW 150		328	14.2	51
Show		03188-0028	ABT 3		343	11.9	52
Show		03176+0051	SLW 149		246	77.9	53
Show		03222-0020	UC 993		305	45.1	54
Show		03216-0017	SKF1681		49	4.9	55
Show		03192+0022	SKF1680		173	1.9	55
Show		03200+0204	SLW 151		217	20.0	56
Show		03233-0026	SKF1683		295	1.6	57
Show		03231-0016	KPP2549		25	23.0	63
Show		03165-0054	BAL 283		96	7.4	68
Show		03194+0216	SKF1879		30	157.0	70
Show		03192-0005	BAL 657		3	10.3	71
Show		03160+0046	KPP3514		262	4.6	78
Show		03240-0007	GRV 997		192	10.8	81
Show		03164-0025	A 1285		289	1.8	81
Show		03174+0006	GAU 3		261	5.5	83
Show		03150+0101	GIC 39		313	78.2	88
Show		03268+0100	NSN 541		161	2.1	90
Show		03261-0024	SKF1117		75	8.0	91
Show		03180+0230	STZ 4		50	8.9	92
Show		03264+0210	YSC 89		208	0.1	103
Show		03140+0044	STF 367		129	1.3	106
Show		03137+0052	OSW 14		208	35.4	109
Show		03154+0228	CBL 219		59	21.5	113
Show		03279+0025	SLW 154		327	17.3	115
Show		03132+0122	TDS2483		66	1.2	116
Show		03264+0239	BAL1632		243	9.1	122
Show		03129+0127	WIS 86		288	32.8	122
Show		03291+0118	MET 2		303	3.7	124
Show		03194+0322	BUP 42	BC	272	213.9	130
Show		03292+0025	KPP3530		312	5.8	133
Show		03194+0322	STT 557	AB	165	263.6	135
Show		03189-0101	BU 1177		193	0.6	135
Show		03216-0105	BAL 284		230	4.8	135
Show		03293+0158	WIS 94	AB	252	630.7	136
Show		03154+0258	TDS2505		243	0.5	137
Show		03277+0242	BAL1633		183	8.7	138

WDS 03209+0110 : COMPONENTS

	A
B	pa=173.1° sep=2.10"

03209+0110 A

Name	HD 20771	Coord arcsec 2000	032053.49+010953.7	Mag	8.77	Spectral class	G0 (yellow)
PmRA	142.00	PmDE	-38.0	SAO	111138	HIP	15599
Tycho2	0057-00348-1	HD	20771	BD	BD+00 570

Tycho2

Tycho2	0057-00348-1	Pflag		RAmdeg	50.22288304	DEmdeg	1.16491152
PmRA	142.2	PmDE	-37.9	E RAmdeg	10	E DEmdeg	12
E pmRA	0.9	E pmDE	0.9	EpRAm	1989.39	EpDEm	1988.53
Num	13	Q RAmdeg	0.9	Q DEmdeg	2.2	Q pmRA	0.9
Q pmDE	2.2	BTmag	9.381	E BTmag	0.023	VTmag	8.768
E VTmag	0.019	Prox	21	TYC	T	HIP	15599
CCDM	A	RAdeg	50.22255806	DEdeg	1.16500333	EpRA 1990	1.78
EpDE 1990	1.81	E RAdeg	10.5	E DEdeg	12.6	Posflg	P
Corr	-0.2

SAO

SAO	111138	DelFlag		RA1950		PmRA1950	0.0095
DE1950		PmDE1950	-0.038	Vmag	8.4	SpType	G0
Double code		Source	31	CatNum	717	DM	BD+00 570
DMcomp		BDsup		HD	20771	M HD	0
GC		RA1950rad	0.86527048	DE1950rad	0.01721069	PmRA2000	0.0098
PmDE2000	-0.042

Hipparcos

Catalog	H	HIP	15599	Proxy	H	RAhms	03 20 53.41
DEdms	+01 09 54.0	Vmag	8.55	VarFlag		R Vmag	G
RAdeg	50.2225	DEdeg	1.16501	AstroRef	A	Plx	14.96
CCDM	03209+0110	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	173	Rho	2.076	HD	20771	BD	BD+00 570
CD		CP		Dm number	+00 570	VIred	1.04
SpType	G0	R SpType		Coord arcsec 2000	032053.41+010954.0

Hipparcos 2

HIP	15599	Sn	15	So	3	Nc	2
RArad	0.8765485997	DErad	0.0203333221	Plx	14.41	PmRA	142.97
PmDE	-39.32	E RArad	1.21	E DErad	1.23	E Plx	1.42
E pmRA	1.79	E pmDE	1.84	Hpmag	8.6672	E Hpmag	0.0027
SHp	0.017	VA	0	BV	0.581	E BV	0.004
VI	0.65

CCDM

Ccdm	03209+0110	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-0.52	DDEs	-6.1
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	8.0	Sp	G0	PmNote	*
PmRA	137	PmDE	-30	Dm number	+00 570	Cat1	BD
Name2	+00 286	Cat2	AGK2/3	HD	20771	M HD
ADS BDS	A 2484	M ADS BDS		N IDS		IDS	03157N0048A
HIC	15599

03209+0110 B

Coord arcsec 2000	032053.51+010951.6		Mag	10.99		PmRA	140.00		PmDE	-38.0
Calc delta mag	2.22		Calc coord	yes

CCDM

Ccdm	03209+0110	RComp		Comp	B	Note1
Note2		Discov num	HO 320	DRAs		DDEs
R dRAs		Year	1890	Theta	172	Rho	1.7
Obs	12	Vmag	10.5	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A 2484	M ADS BDS		N IDS		IDS	03157N0048B
HIC	15599