04247-0845 STF 544 AB (HD 27983)

04^h 24^m 42.01^s -08° 45' 10.5" P.A. 352.00 sep 3.3 mag 8.59,9.51 Sp G0 dist. 50.97 pc (166.26 l.y.)

Coord 2000	04247-0845	Discov num	STF 544	Comp	AB	Coord arcsec 2000	04 24 42.01 -08 45 10.5
Date first	1831	Date last	2018	Obs	39
Pa first	357	Pa last	352.1	P.A. Now (θ)	352.1°
Sep first	2.1	Sep last	3.294	Sep. Now (ρ)	3.294"
Mag pri	8.59	Mag sec	9.51	delta mag (ΔM)	0.92	Spectral class	G0 (yellow)
Pri motion ra	-111	Sec motion ra	-130
Pri motion dec	-171	Sec motion dec	-153
Notes	N T (See Notes, Parallax indicates physical)

rPM=0.128 (< 0.3, Physical double)

This double is physical.

04247-0845 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 27983		04 24 42 -08 45 10	STF 544 AB	2018	39	352	3.3	8.59	9.51	0.92		<===
Show			04 24 42 -08 45 10	FOX 138 AC	2015	11	77	151.4	8.59	8.69	0.10

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	HD 27983	Constellation	Eridanus	HIP	20598	Tycho2	5313-02366-1
Gaia DR2	3191904249963463808	HD	27983	ADS	3197	BD	BD-09 892
Distance	50.97	Distance ly	166.26

WDS 04247-0845 STF 544 AB (HD 27983) : NOTES

discov_num	notes	refcode
STF 544	Primary is SB1, P=1248d = 3.41y. RV(B)=var?	Tok2014d

REFERENCES

refcode	metd	author	reference
Tok2014d	E2 -	Tokovinin, A.	2014AJ....147...86T
Tok2014d		AJ 147, 86, 2014

DISCOVERER

idgroup	discov	author
1	FOX	Fox, P.
12	STF	Struve, F.G.W.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
04247-0845	STF 544	AB	2003	34	353	3.2	8.59	9.51	G0	D	042442.01-084510.5
04247-0845	STF 544	AB	2008	35	352	3.3	8.59	9.51	G0	D	042442.01-084510.5
04247-0845	STF 544	AB	2015	37	352	3.3	8.59	9.51	G0	N	042442.01-084510.5
04247-0845	STF 544	AB	2018	39	353	3.3	8.59	9.51	G0	N	042442.01-084510.5

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

WDS 04247-0845 STF 544 AB (HD 27983) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 04247-0845 STF 544 AB (HD 27983) : MEASURES

No records found.

WDS 04247-0845 (HD 27983) : 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 04247-0845 (HD 27983) : ALADIN DSS IMAGE @ 04^h 24^m 42.01^s -08° 45' 10.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 04247-0845 STF 544 AB (HD 27983) : 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		04247-0845	STF 544	AB	352	3.3	1
Show		04247-0845	FOX 138	AC	77	151.4	1
Show		04253-0932	GAL 368		307	22.5	49
Show		04211-0851	A 472		261	3.2	55
Show		04211-0915	KPP1990		171	15.7	62
Show		04276-0933	A 474		176	0.7	65
Show		04233-0742	HO 331		350	15.8	67
Show		04202-0902	SKF 423		300	18.2	69
Show		04212-0933	RST4237		332	1.6	71
Show		04221-0957	STF 537		353	18.9	82
Show		04217-1001	UC 1153		293	12.8	89
Show		04284-0736	GRV1248		229	6.1	89
Show		04307-0858	KPP1360		340	10.2	90
Show		04309-0849	KO 2		340	19.8	92
Show		04298-0949	LDS3592		247	39.2	99
Show		04233-0700	TDS2840		196	0.7	107
Show		04319-0851	HJ 2234		270	40.7	108
Show		04314-0934	GAL 372		199	34.4	111
Show		04176-0813	KPP2455		37	21.7	111
Show		04264-1033	TOK 485		69	999.9	111
Show		04256-0651	LDS 842		280	3.0	114
Show		04190-0725	STF 527		196	6.3	116
Show		04281-1033	GAL 370		174	20.2	120
Show		04178-0948	GWP 576		2	46.5	120
Show		04322-0936	GAL 141		336	7.3	123
Show		04312-0726	HJ 24		72	24.1	124
Show		04202-1030	HDS 556		166	0.3	125
Show		04234-0634	J 708		283	2.6	133
Show		04245-0632	GWP 581		47	95.1	134
Show		04180-0700	HJ 23		275	46.2	135
Show		04261-1059	GAL 369		330	26.1	137
Show		04239-1102	GAL 367		124	14.6	137
Show		04297-1043	GAL 134		210	14.6	139
Show		04335-0750	TOK 248		314	281.2	142
Show		04197-0644	RST4236		92	1.3	143
Show		04166-1005	BU 548		345	6.2	145
Show		04220-0626	J 1459		240	3.0	146
Show		04278-1107	HDS 572		182	0.0	150
Show		04332-0724	GWP 597		122	43.2	151
Show		04338-0954	UC 1185		206	37.6	152
Show		04327-0707	BRT 367		123	4.0	153
Show		04307-0642	A 475		304	2.1	153
Show		04151-0750	RST4235		132	0.7	154
Show		04153-0739	STF 518	BC	330	8.2	154
Show		04153-0739	STF 518	BD	28	456.3	154
Show		04153-0739	STF 518	BE	16	563.4	154
Show	Keid	04153-0739	STF 518	AC	97	77.5	155
Show	Keid	04153-0739	STF 518	AD	38	481.4	155
Show	Keid	04153-0739	STF 518	AE	24	569.9	155
Show	Keid	04153-0739	STF 518	A,BC	102	82.7	155
Show		04334-1014	RST3399		359	3.0	156

WDS 04247-0845 : COMPONENTS

	A	B
B	pa=352.2° sep=3.29"
C	pa=77.2° sep=149.70"	pa=78.4° sep=149.45"

04247-0845 A

Name	HD 27983	Coord arcsec 2000	042442.01-084510.5	Mag	8.59	Spectral class	G0 (yellow)
PmRA	-111.00	PmDE	-171.0	HIP	20598	Tycho2	5313-02366-1
HD	27983	ADS	3197	BD	BD-09 892

Tycho2

Tycho2	5313-02366-1	Pflag		RAmdeg	66.17472416	DEmdeg	-8.75332061
PmRA	-129.9	PmDE	-166.6	E RAmdeg	7	E DEmdeg	8
E pmRA	1.1	E pmDE	1.1	EpRAm	1991.21	EpDEm	1990.81
Num	6	Q RAmdeg	1.1	Q DEmdeg	1.6	Q pmRA	1.1
Q pmDE	1.7	BTmag	9.263	E BTmag	0.018	VTmag	8.590
E VTmag	0.013	Prox	32	TYC	T	HIP	20598
CCDM	A	RAdeg	66.17502917	DEdeg	-8.75292139	EpRA 1990	1.64
EpDE 1990	1.37	E RAdeg	6.7	E DEdeg	7.7	Posflg	D
Corr	-0.2

Hipparcos

Catalog	H	HIP	20598	Proxy	H	RAhms	04 24 42.01
DEdms	-08 45 10.5	Vmag	8.1	VarFlag		R Vmag	G
RAdeg	66.175	DEdeg	-8.75292	AstroRef	A	Plx	15.11
CCDM	04248-0845	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	352	Rho	3.195	HD	27983	BD	BD-09 892
CD		CP		Dm number	-09 892	VIred	0.73
SpType	G0	R SpType		Coord arcsec 2000	042442.01-084510.5

Hipparcos 2

HIP	20598	Sn	17	So	3	Nc	2
RArad	1.1549723983	DErad	-0.1527672131	Plx	19.62	PmRA	-112.04
PmDE	-162.1	E RArad	1.45	E DErad	1.11	E Plx	1.39
E pmRA	1.65	E pmDE	1.27	Hpmag	8.2311	E Hpmag	0.0015
SHp	0.011	VA	0	BV	0.67	E BV	0.002
VI	0.73

04247-0845 B

Coord arcsec 2000	042441.98-084507.2		Mag	9.51		PmRA	-130.00		PmDE	-153.0
Calc delta mag	0.92		Calc coord	yes

04247-0845 C

Coord arcsec 2000	042451.86-084437.2		Mag	8.69		PmRA	-6.00		PmDE	10.0
Tycho2	5313-02145-1		DM	BD-09 896		Calc delta mag	0.1		Calc coord	yes

Tycho2

Tycho2	5313-02145-1	Pflag		RAmdeg	66.21571589	DEmdeg	-8.74479384
PmRA	-4.7	PmDE	10.5	E RAmdeg	8	E DEmdeg	9
E pmRA	1.0	E pmDE	1.0	EpRAm	1990.35	EpDEm	1989.68
Num	11	Q RAmdeg	1.2	Q DEmdeg	1.2	Q pmRA	1.3
Q pmDE	1.2	BTmag	10.289	E BTmag	0.027	VTmag	8.687
E VTmag	0.013	Prox	999	TYC	T	HIP
CCDM		RAdeg	66.21572750	DEdeg	-8.74481806	EpRA 1990	1.65
EpDE 1990	1.37	E RAdeg	7.9	E DEdeg	9.2	Posflg
Corr	-0.2