04028-3115 HDS 511 (HD 25623)

04^h 02^m 49.73^s -31° 14' 33.3" P.A. 281.00 sep 0.1 mag 8.86,9.92 Sp F0V dist. 167.79 pc (547.33 l.y.)

Coord 2000	04028-3115	Discov num	HDS 511	Comp		Coord arcsec 2000	04 02 49.73 -31 14 33.3
Date first	1991	Date last	2021	Obs	8
Pa first	47	Pa last	281.2	P.A. Now (θ)	281.2°
Sep first	0.1	Sep last	0.065	Sep. Now (ρ)	0.065"
Mag pri	8.86	Mag sec	9.92	delta mag (ΔM)	1.06	Spectral class	F0V (yellow-white)
Pri motion ra	+009	Sec motion ra
Pri motion dec	-004	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 25623	Constellation	Eridanus	SAO	194714	HIP	18879
Tycho2	7030-00385-1	Gaia DR2	4883973858230368640	HD	25623	CD	CD-31 1658
CP	CP-31 476	Distance	167.79	Distance ly	547.33

ORBITAL ELEMENTS

Period (P)	84.5y	Periastron (T)	2020.83y	Semi-major axis (a)	0.207a
Eccentricity (e)	0.293	Inclination (i)	117.4°	Longitude of periastron (ω)	258.6°
Node (Ω)	174.9°	Notes		Reference	Tok2019c
Equinox		Last observation	2018	Grade	4	(1=Definitive, 9=Indet.)

label	theta	rho
2000	17.6	0.179
2001	15.1	0.182
2002	12.7	0.185
2003	10.4	0.187
2004	8.1	0.188
2005	5.8	0.189
2006	3.6	0.188
2007	1.3	0.187
2008	359.0	0.185
2009	356.6	0.182
2010	354.1	0.177
2011	351.5	0.172
2012	348.6	0.165
2013	345.5	0.157
2014	342.1	0.147
2015	338.1	0.137
2016	333.4	0.126
2017	327.8	0.113
2018	320.8	0.101
2019	311.9	0.089
2020	300.4	0.079
2021	285.9	0.071
2022	269.0	0.068
2023	251.7	0.070
2024	236.4	0.076
2025	224.0	0.086
2026	214.4	0.098
2027	207.0	0.110
2028	201.1	0.123
2029	196.3	0.136
2030	192.2	0.147

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

Measures: green=micrometric, blue=interferometric, purple=photographic

WDS 04028-3115 HDS 511 (HD 25623) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Tok2019c	St j	Tokovinin, A., Mason, B.D., Mendez, R.A., Horch, E.P. & Briceno, C.	2019AJ....158...48T
Tok2019c	+orb	AJ 158, 48, 2019

DISCOVERER

idgroup	discov	author
1	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
04028-3115	HDS 511		1991	1	47	0.1	8.86	9.92	F0V		040249.73-311433.3
04028-3115	HDS 511		2014	2	339	0.1	8.86	9.92	F0V		040249.73-311433.3
04028-3115	HDS 511		2015	3	334	0.1	8.86	9.92	F0V		040249.73-311433.3
04028-3115	HDS 511		2018	5	313	0.1	8.86	9.92	F0V		040249.73-311433.3
04028-3115	HDS 511		2019	6	308	0.1	8.86	9.92	F0V		040249.73-311433.3
04028-3115	HDS 511		2020	7	294	0.1	8.86	9.92	F0V		040249.73-311433.3
04028-3115	HDS 511		2021	8	281	0.1	8.86	9.92	F0V		040249.73-311433.3

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

WDS 04028-3115 HDS 511 (HD 25623) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 04028-3115 HDS 511 (HD 25623) : MEASURES

No records found.

WDS 04028-3115 (HD 25623) : 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 04028-3115 (HD 25623) : ALADIN DSS IMAGE @ 04^h 02^m 49.73^s -31° 14' 33.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 04028-3115 HDS 511 (HD 25623) : 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		04028-3115	HDS 511		281	0.1
Show		04025-3108	PRO 15		114	12.4	8
Show		04002-3059	LDS3549		166	5.9	38
Show		03596-3049	TDS2708		176	2.5	49
Show		04022-3203	TDS2724		330	0.4	50
Show		04030-3205	DAM 400		229	5.0	51
Show		04023-3206	DAM 399		165	8.8	52
Show		04026-3208	RST2330		123	2.7	54
Show		04072-3118	RSS 70		2	13.9	56
Show		04000-3158	LDS3548		276	10.2	56
Show		03585-3101	JSP 50		186	1.1	57
Show		04045-3229	COO 20		353	8.8	78
Show		04089-3129	NSN 207		278	1.3	80
Show		04087-3037	RST2332		182	2.9	85
Show		04068-3227	HJ 3623		268	5.2	89
Show		04082-3010	SKF1203		63	17.5	95
Show		04052-3250	TDS2745		310	0.6	101
Show		04044-2931	HDS 515		171	0.5	106
Show		03567-3005	RST3392		191	2.3	106
Show		04055-2923	KPP2281		17	19.2	117
Show		04083-3251	I 153		348	1.2	120
Show		03560-2949	HDS 496	AB	88	3.9	124
Show		03560-2949	DAM 832	AC	24	20.8	124
Show		04030-3322	BRT1587		269	2.4	128
Show		04072-2919	BRG 19		47	0.3	130
Show		04021-2901	TDS2723		233	1.8	135
Show		03523-3115	UC 1083		150	10.1	135
Show		04127-3206	JSP 53		18	0.5	137
Show		04001-2902	TDS2713	Ba,Bb	276	0.5	137
Show		04001-2902	BVD 40	AB	172	11.6	138
Show		04001-2902	CVN 37	AC	34	7.2	138
Show		04001-2902	CVN 37	AD	137	11.7	138
Show		04001-2902	BVD 40	Aa,Ab	88	0.1	138
Show		03525-3150	KIR 10		194	39.8	138
Show		04069-3323	HDS 520		352	1.8	139
Show		04125-3010	JSP 52		246	3.0	141
Show		03566-3313	TOK 820	Aa,Ab	180	0.1	143
Show		04111-3252	UC 1128	AC	266	44.4	144
Show		04141-3155	TS 1		258	0.4	150
Show		04144-3054	JSP 55		107	4.1	151
Show		03595-2846	B 61	AB	188	0.4	155
Show		03595-2846	B 61	AC	87	25.7	155
Show		04071-2849	HWE 9		177	1.4	156
Show		04024-2832	DAW 79		124	0.5	163
Show		03506-3033	SKF1283	AB	76	15.2	164
Show		03506-3033	TOK 479	AC	173	999.9	164
Show		04157-3033	B 2568	BC	224	3.4	169
Show		04157-3033	B 2568	A,BC	219	105.1	171
Show		03523-3303	KPP 765		142	6.6	173
Show		04151-3004	HJ 3632		163	11.0	174
Show		04159-3159	HDS 542		181	0.9	174

WDS 04028-3115 : COMPONENTS

	A
B	pa=283.0° sep=0.06"

04028-3115 A

Componente originario normalizzato	AB	Name	HD 25623	Coord arcsec 2000	040249.73-311433.3	Mag	8.86
Spectral class	F0V (yellow-white)	PmRA	9.00	PmDE	-4.0	SAO	194714
HIP	18879	Tycho2	7030-00385-1	HD	25623	CD	CD-31 1658
CP	CP-31 476

Tycho2

Tycho2	7030-00385-1	Pflag		RAmdeg	60.70721780	DEmdeg	-31.24258123
PmRA	7.7	PmDE	-2.2	E RAmdeg	7	E DEmdeg	6
E pmRA	1.3	E pmDE	1.2	EpRAm	1990.71	EpDEm	1991.04
Num	10	Q RAmdeg	0.9	Q DEmdeg	1.2	Q pmRA	0.8
Q pmDE	1.2	BTmag	8.864	E BTmag	0.016	VTmag	8.491
E VTmag	0.013	Prox	999	TYC	T	HIP	18879
CCDM	AB	RAdeg	60.70719639	DEdeg	-31.24257611	EpRA 1990	1.54
EpDE 1990	1.66	E RAdeg	6.8	E DEdeg	5.8	Posflg	P
Corr	0.1

SAO

SAO	194714	DelFlag		RA1950		PmRA1950	0.0015
DE1950		PmDE1950	-0.004	Vmag	8.5	SpType	F2
Double code		Source	40	CatNum	1470	DM	CD-31 1658
DMcomp		BDsup		HD	25623	M HD	0
GC		RA1950rad	1.05093168	DE1950rad	-0.54768135	PmRA2000	0.0019
PmDE2000	-0.006

Hipparcos

Catalog	H	HIP	18879	Proxy	H	RAhms	04 02 49.73
DEdms	-31 14 33.3	Vmag	8.42	VarFlag		R Vmag	G
RAdeg	60.7072	DEdeg	-31.2426	AstroRef	*	Plx	6.16
CCDM	04028-3115	N CCDM	H	Nsys	1	Ncomp	2
MultFlag	C	Source	S	Qual	A	M HIP	AB
Theta	47	Rho	0.144	HD	25623	BD
CD	CD-31 1658	CP	CP-31 476	Dm number	-31 1658	VIred	0.45
SpType	F0V	R SpType		Coord arcsec 2000	040249.73-311433.3

Hipparcos 2

HIP	18879	Sn	55	So	3	Nc	2
RArad	1.0595404878	DErad	-0.5452857327	Plx	5.96	PmRA	8.53
PmDE	-5.33	E RArad	0.54	E DErad	0.67	E Plx	0.9
E pmRA	0.59	E pmDE	0.76	Hpmag	8.5145	E Hpmag	0.0013
SHp	0.018	VA	0	BV	0.389	E BV	0.015
VI	0.45

CCDM

Ccdm	04028-3115	RComp		Comp	A	Note1
Note2		Discov num		DRAs	1.73	DDEs	26.7
R dRAs	82	Year		Theta		Rho
Obs	2	Vmag	8.9	Sp	F0	PmNote	*
PmRA	9	PmDE	-4	Dm number	-31 1658	Cat1	CD
Name2	194714	Cat2	SAO	HD	25623	M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	18879

04028-3115 B

Componente originario normalizzato	AB		Coord arcsec 2000	040249.73-311433.3		Mag	9.92		Calc delta mag	1.06
Calc coord	yes

CCDM

Ccdm	04028-3115	RComp		Comp	B	Note1
Note2		Discov num	HDS	DRAs	1.74	DDEs	26.8
R dRAs	82	Year	1991	Theta	47	Rho	0.1
Obs	1	Vmag	9.9	Sp		PmNote	*
PmRA	9	PmDE	-4	Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	18879