01377-5714 KRV 54 (Alp Eri)

01^h 37^m 42.85^s -57° 14' 12.3" P.A. 309.00 sep 0.3 mag 0.70,2.10 Sp B6Ve+A2V dist. 42.75 pc (139.45 l.y.)

Coord 2000	01377-5714	Discov num	KRV 54	Comp		Coord arcsec 2000	01 37 42.85 -57 14 12.3
Date first	2006	Date last	2019	Obs	103
Pa first	319	Pa last	309	P.A. Now (θ)	309°
Sep first	0.3	Sep last	0.293	Sep. Now (ρ)	0.293"
Mag pri	0.70	Mag sec	2.10	delta mag (ΔM)	1.4	Spectral class	B6Ve+A2V (blue-white/white)
Pri motion ra	+087	Sec motion ra
Pri motion dec	-038	Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	Alp Eri	Constellation	Eridanus	SAO	232481	HIP	7588
Tycho2	8478-01395-1	HD	10144	HR	472	GC	1979
CP	CP-57 334	Bayer	Alpha Eridani	Bayer name	Alp Eri	FK5	54
Distance	42.75	Distance ly	139.45	Bayer greek	α Eri

WDS 01377-5714 KRV 54 (Alp Eri) : NOTES

discov_num	notes	refcode
KRV 54	alp Eri = Achernar
	Ma = 6.0 +/- 0.6, Mb = 2.0 +/- 0.1 \Msun, Ra = 8.14 +/- 0.26, Rb = 1.70
	+/- 0.08 \Rsun, Teff_a = 15539 +/- 438, Teff_b = 9064 +/- 624 K, La =
	3493 +/- 429, Lb = 17.5 +/- 5.1 \Lsun.	Krv2022

REFERENCES

refcode	metd	author	reference
Krv2022	A+	Kervella, P., Borgniet, S., de Souza, A.D., Merand, A., Gallenne, A., Rivinius, T.,	2022A&A...667A.111K
Krv2022	+Kv+	Lacour, S., Carciofi, A., Faes, D.M., Le Bouquin, J.-B., Taormina, M., Pilecki, B.,
Krv2022	+C+	Berger, J.-P., Bendjoya, P., Klement, R., Millour, F., Janot-Pacheco, E., Spang, A.
Krv2022	+orb	& Vakili, F.
Krv2022		A&A 667, A111, 2022

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01377-5714	KRV 54		2019	103	309	0.3	0.70	2.10	B6Ve+A2V	N	013742.85-571412.3

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WDS 01377-5714 KRV 54 (Alp Eri) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 01377-5714 KRV 54 (Alp Eri) : MEASURES

No records found.

WDS 01377-5714 (Alp Eri) : VIRTUAL EYEPIECE

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WDS 01377-5714 (Alp Eri) : ALADIN DSS IMAGE @ 01^h 37^m 42.85^s -57° 14' 12.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 01377-5714 KRV 54 (Alp Eri) : 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		01377-5714	KRV 54		309	0.3
Show		01362-5731	I 714		10	1.2	21
Show		01342-5700	HU 1345		200	5.5	32
Show		02165-5131	SHY 130	DF	244	999.9	50
Show		01435-5649	UC 613		53	33.4	54
Show		01328-5752	UC 576		125	27.6	56
Show		01432-5801	HDS 229	AB	355	16.7	64
Show		01432-5801	SKF 417	AC	103	25.3	64
Show		01398-5612	DUN 5		186	11.3	65
Show		01460-5658	FAL 2		348	6.3	70
Show		01394-5824	TDS1943		178	0.8	72
Show		01403-5557	UC 600		74	37.4	81
Show		01389-5835	HU 1553		9	2.1	82
Show		01270-5702	TDS1880		266	0.6	88
Show		01384-5546	WSP 97	AB	271	5.9	89
Show		01472-5627	HU 1555		91	8.6	91
Show		01411-5542	UC 602		42	18.1	97
Show		01261-5650	BRT2529		123	3.9	98
Show		01339-5531	RST1221		329	2.4	108
Show		01234-5729	CVN 35		322	10.8	118
Show		01429-5908	JSP 24		236	0.7	121
Show		01228-5712	WIS 29		45	522.8	121
Show		01314-5907	HLN 2		252	2.0	124
Show		01341-5919	HJ 3446		311	22.2	128
Show		01476-5529	NSN 209		154	7.2	134
Show		01220-5759	HDS 177		298	1.5	135
Show		01459-5515	RST 40		270	0.4	138
Show		01233-5833	HJ 3434		106	7.2	139
Show		01205-5720	HJ 3430	AB	224	3.2	140
Show		01205-5720	TOK 454	AC	129	999.9	140
Show		01433-5458	RST 39		10	0.7	145
Show		01287-5920	LDS 50		358	4.3	147
Show		01430-5451	SLR 3		230	0.5	150
Show		01448-5935	TDS1982		233	1.3	152
Show		01532-5935	TOI 212	Aa,Ab	358	0.3	153
Show		01532-5935	TOI 212	AB	292	1.0	153
Show		01260-5917	TDS1877		148	0.4	154
Show		01196-5630	KPP1294		334	9.9	156
Show		01308-5940	TOK 183		175	0.1	156
Show		01568-5653	RST 42		22	1.0	157
Show		01257-5920	HDS 186		248	1.0	158
Show		01188-5637	RST 29		61	1.3	160
Show		01253-5930	HJ 3435	AB	1	25.1	168
Show		01518-5458	HDS 253	AB	218	2.5	180
Show		01518-5458	SHY 128	AC	216	999.9	180
Show		01572-5550	SKF1516		247	6.4	182
Show		01430-5414	HU 1554		282	5.6	186
Show		01212-5505	RST1215		22	1.2	189
Show		01241-5957	KPP 645		97	5.8	195
Show		01231-5444	LDS 47		72	231.3	196
Show		01420-5357	BRT2018		138	5.0	201

WDS 01377-5714 : COMPONENTS

	A
B	pa=326.2° sep=0.22"

01377-5714 A

Componente originario normalizzato	AB	Name	Alp Eri	Coord arcsec 2000	013742.85-571412.3	Mag	0.7
Spectral class	B6Ve (blue-white)	PmRA	87.00	PmDE	-38.0	SAO	232481
HIP	7588	Tycho2	8478-01395-1	HD	10144	HR	472
GC	1979	CP	CP-57 334	Bayer	Alpha	Bayer name	Alp
FK5	54

SAO

SAO	232481	DelFlag		RA1950		PmRA1950	0.0129
DE1950		PmDE1950	-0.028	Vmag	0.6	SpType	B5
Double code		Source	74	CatNum	54	DM	CP-57 334
DMcomp		BDsup		HD	10144	M HD	0
GC	1979	RA1950rad	0.41824683	DE1950rad	-1.00339429	PmRA2000	0.0127
PmDE2000	-0.034

Hipparcos

Catalog	H	HIP	7588	Proxy		RAhms	01 37 42.75
DEdms	-57 14 12.0	Vmag	0.45	VarFlag	2	R Vmag	G
RAdeg	24.4281	DEdeg	-57.2367	AstroRef		Plx	22.68
CCDM		N CCDM		Nsys		Ncomp	1
MultFlag	G	Source		Qual		M HIP
Theta		Rho		HD	10144	BD
CD		CP	CP-57 334	Dm number	-57 334	VIred	-0.17
SpType	B3Vp	R SpType		Coord arcsec 2000	013742.75-571412.0

Hipparcos 2

HIP	7588	Sn	1	So	1	Nc	1
RArad	0.4263513349	DErad	-0.9989681672	Plx	23.39	PmRA	87
PmDE	-38.24	E RArad	0.45	E DErad	0.43	E Plx	0.57
E pmRA	0.58	E pmDE	0.5	Hpmag	0.4233	E Hpmag	0.0024
SHp	0.022	VA	2	BV	-0.158	E BV	0.007
VI	-0.17

01377-5714 B

Componente originario normalizzato	AB		Coord arcsec 2000	013742.83-571412.1		Mag	2.1		Spectral class	A2V (white)
Calc delta mag	1.4		Calc coord	yes