04570-4642 HDS 642 (HD 31861)

04^h 57^m 00.10^s -46° 42' 13.3" P.A. 256.00 sep 0.2 mag 9.24,10.76 Sp F5V dist. 215.05 pc (701.49 l.y.)

Coord 2000	04570-4642	Discov num	HDS 642	Comp		Coord arcsec 2000	04 57 00.10 -46 42 13.3
Date first	1991	Date last	2021	Obs	4
Pa first	259	Pa last	256.1	P.A. Now (θ)	256.1°
Sep first	0.2	Sep last	0.178	Sep. Now (ρ)	0.178"
Mag pri	9.24	Mag sec	10.76	delta mag (ΔM)	1.52	Spectral class	F5V (yellow-white)
Pri motion ra	+023	Sec motion ra
Pri motion dec	+031	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 31861	Constellation	Pictor	SAO	217076	HIP	23017
Tycho2	8077-00338-1	Gaia DR2	4786943606346644096	HD	31861	CD	CD-46 1629
CP	CP-46 513	Distance	215.05	Distance ly	701.49

WDS 04570-4642 HDS 642 (HD 31861) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
HDS		Hipparcos Double Star (from additional DD list)	...................

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
04570-4642	HDS 642		1991	1	259	0.2	9.24	10.76	F5V		045700.10-464213.3
04570-4642	HDS 642		2014	2	260	0.2	9.24	10.76	F5V		045700.10-464213.3
04570-4642	HDS 642		2019	3	256	0.2	9.24	10.76	F5V		045700.10-464213.3
04570-4642	HDS 642		2021	4	256	0.2	9.24	10.76	F5V		045700.10-464213.3

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WDS 04570-4642 HDS 642 (HD 31861) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 04570-4642 HDS 642 (HD 31861) : MEASURES

No records found.

WDS 04570-4642 (HD 31861) : VIRTUAL EYEPIECE

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WDS 04570-4642 (HD 31861) : ALADIN DSS IMAGE @ 04^h 57^m 00.10^s -46° 42' 13.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 04570-4642 HDS 642 (HD 31861) : 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		04570-4642	HDS 642		256	0.2
Show		05006-4639	FAL 11		287	7.9	37
Show		04569-4557	TDS3015		353	0.6	46
Show		04543-4720	RST 116		61	1.5	47
Show		04519-4647	SKF 412	AB	197	18.4	53
Show		04587-4734	UC 1247		112	22.2	56
Show		04517-4706	SKF 813		123	26.4	60
Show		04533-4555	CPO 124		74	6.0	61
Show		04564-4743	KPP 564		90	5.3	62
Show		05027-4713	NSN 194	AB	281	14.0	67
Show		05024-4604	KPP2819		303	0.9	68
Show		04537-4539	GRV1249		298	3.1	72
Show		04567-4519	SKF 815		285	67.7	84
Show		04507-4540	HJ 3699		152	17.6	91
Show		05051-4720	BRT 669		175	4.3	92
Show		05010-4813	HDS 651		325	9.0	100
Show		04469-4630	LDS9177		320	11.5	104
Show		04511-4810	TDS 150		307	0.9	107
Show		05040-4524	SKF 818		344	9.4	107
Show		05051-4751	NSC 23		208	7.8	108
Show		04485-4531	UC 1216		29	20.4	114
Show		05066-4540	HJ 3726		63	18.3	118
Show		05074-4741	BRT 670		145	4.2	122
Show		04494-4510	HJ 3694		63	8.9	122
Show		05016-4450	CBL 124		266	50.7	123
Show		04589-4441	RST3410		347	0.3	124
Show		04511-4456	I 273		359	1.2	124
Show		05077-4546	HU 1386		53	7.9	125
Show		04584-4435	B 1475		124	5.1	129
Show		04531-4845	ELP 12		359	1.5	129
Show		05049-4823	NSC 22		248	7.2	129
Show		04447-4725	HDS 611		157	1.3	133
Show		04571-4428	SKF 816		92	5.1	135
Show		04440-4637	RST 113		342	1.6	135
Show		05076-4526	DAW 187		82	8.1	135
Show		05100-4726	RSS 79		212	5.4	141
Show		04537-4425	SKF 814		9	8.9	142
Show		05106-4615	HDS 685		207	0.5	143
Show		04432-4608	TVB 77		72	7.4	147
Show		05109-4721	SKF 413		18	9.1	148
Show		04598-4415	TDS3032		22	1.1	150
Show		05038-4428	DON 92		179	1.6	153
Show		05123-4656	SKF 821		262	21.7	158
Show		05028-4909	EHR 6	Ca,Cb	157	0.1	158
Show		05028-4909	RST 120	AB	182	12.6	159
Show		05028-4909	EHR 6	A,Ca	321	15.3	159
Show		05028-4909	EHR 6	A,Cb	320	15.6	159
Show		05028-4909	EHR 6	Ba,Bb	107	0.2	159
Show		04418-4716	HJ 3681		245	51.6	160
Show		05055-4857	RST 123		115	1.9	160
Show		04513-4413	CPO 123		266	2.5	161

WDS 04570-4642 : COMPONENTS

	A
B	pa=250.2° sep=0.13"

04570-4642 A

Componente originario normalizzato	AB	Name	HD 31861	Coord arcsec 2000	045700.10-464213.3	Mag	9.24
Spectral class	F5V (yellow-white)	PmRA	23.00	PmDE	31.0	SAO	217076
HIP	23017	Tycho2	8077-00338-1	HD	31861	CD	CD-46 1629
CP	CP-46 513

Tycho2

Tycho2	8077-00338-1	Pflag		RAmdeg	74.25050177	DEmdeg	-46.70362541
PmRA	23.2	PmDE	31.8	E RAmdeg	10	E DEmdeg	10
E pmRA	1.1	E pmDE	1.1	EpRAm	1989.59	EpDEm	1989.68
Num	8	Q RAmdeg	1.4	Q DEmdeg	0.7	Q pmRA	1.5
Q pmDE	0.7	BTmag	9.498	E BTmag	0.020	VTmag	8.964
E VTmag	0.016	Prox	999	TYC	T	HIP	23017
CCDM	AB	RAdeg	74.25042222	DEdeg	-46.70369972	EpRA 1990	1.50
EpDE 1990	1.62	E RAdeg	10.1	E DEdeg	9.8	Posflg	P
Corr	0.0

SAO

SAO	217076	DelFlag		RA1950		PmRA1950	0.0009
DE1950		PmDE1950	0.027	Vmag	8.9	SpType	F8
Double code		Source	48	CatNum	2564	DM	CP-46 513
DMcomp		BDsup		HD	31861	M HD	0
GC		RA1950rad	1.28969103	DE1950rad	-0.8164755	PmRA2000	0.0016
PmDE2000	0.025

Hipparcos

Catalog	H	HIP	23017	Proxy	H	RAhms	04 57 00.10
DEdms	-46 42 13.3	Vmag	8.89	VarFlag		R Vmag	H
RAdeg	74.2504	DEdeg	-46.7037	AstroRef	*	Plx	5.93
CCDM	04570-4642	N CCDM	H	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	259	Rho	0.241	HD	31861	BD
CD	CD-46 1629	CP	CP-46 513	Dm number	-46 1629	VIred	0.6
SpType	F5V	R SpType		Coord arcsec 2000	045700.10-464213.3

Hipparcos 2

HIP	23017	Sn	55	So	3	Nc	2
RArad	1.2959142682	DErad	-0.8151333659	Plx	4.65	PmRA	23.39
PmDE	32.16	E RArad	0.8	E DErad	0.85	E Plx	0.94
E pmRA	0.87	E pmDE	1.09	Hpmag	8.9999	E Hpmag	0.0026
SHp	0.017	VA	0	BV	0.493	E BV	0.02
VI	0.57

CCDM

Ccdm	04570-4642	RComp		Comp	A	Note1
Note2		Discov num		DRAs	0.12	DDEs	-13.1
R dRAs	82	Year		Theta		Rho
Obs	2	Vmag	9.2	Sp	F5	PmNote	*
PmRA	23	PmDE	31	Dm number	-46 1629	Cat1	CD
Name2	217076	Cat2	SAO	HD	31861	M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	23017

04570-4642 B

Componente originario normalizzato	AB		Coord arcsec 2000	045700.09-464213.3		Mag	10.76		Calc delta mag	1.52
Calc coord	yes

CCDM

Ccdm	04570-4642	RComp		Comp	B	Note1
Note2		Discov num	HDS	DRAs	0.10	DDEs	-13.1
R dRAs	82	Year	1991	Theta	259	Rho	0.2
Obs	1	Vmag	10.8	Sp		PmNote	*
PmRA	23	PmDE	31	Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	23017