02583-4018 PZ 2 (Acamar)

02^h 58^m 15.71^s -40° 18' 17.0" P.A. 90.00 sep 8.2 mag 3.20,4.12 Sp A4III+A1V dist. 49.43 pc (161.24 l.y.)

Coord 2000	02583-4018	Discov num	PZ 2	Comp		Coord arcsec 2000	02 58 15.71 -40 18 17.0
Date first	1835	Date last	2020	Obs	81
Pa first	82	Pa last	90	P.A. Now (θ)	90°
Sep first	8.7	Sep last	8.241	Sep. Now (ρ)	8.241"
Mag pri	3.20	Mag sec	4.12	delta mag (ΔM)	0.92	Spectral class	A4III+A1V (white/white)
Pri motion ra	-054	Sec motion ra	-003
Pri motion dec	+026	Sec motion dec	+004
Notes	N U (See Notes, Proper motion indicates non-physical)

rPM=0.927

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Common name	Acamar	Var name	NSV1002 Eri	Constellation	Eridanus	SAO	216113
HIP	13847	Tycho2	7563-01016-1	Gaia DR2	5044368071869592832	HD	18622
HR	897	GC	3584	CD	CD-40 771	CP	CP-40 253
Bayer	Theta 1 Eridani	Bayer name	The1 Eri	FK5	106	Distance	49.43
Distance ly	161.24	Bayer greek	θ¹ Eri

WDS 02583-4018 PZ 2 (Acamar) : NOTES

discov_num	notes	refcode
PZ 2	the Eri = Acamar. A is a spectroscopic binary.

REFERENCES

refcode	metd	author	reference
Pz_1814	T -	Piazzi, G.	.
Pz_1814		Palermo Star Cat., 1814
Pz_1818A	T -	Piazzi, G.	.
Pz_1818A		cited by Bessel, Fund. Astronomiae, 1818
Pz_1818A		(see Herschel, MemRAS 5, 13, 1833)
Pz_1844A	T -	Piazzi, G.	1844QB43.S66.......
Pz_1844A		cited by Smyth (Cycle of Celestial Objects 2, 1844)
Pz_1906A	T -	Piazzi, G.	1906MmRAS..56....1L
Pz_1906A		cited by Lewis (MemRAS 56, 1, 1906)
Pz_1937A	T -	Piazzi, G.	1937AnLei..18....1S
Pz_1937A		cited by Strand (Ann. Sterrew. Leiden 18, 1937)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
02583-4018	PZ 2		2002	70	90	8.4	3.20	4.12	A4III A1V	N D	025815.71-401817.0
02583-4018	PZ 2		2009	72	91	8.4	3.20	4.12	A4III A1V	N D	025815.71-401817.0
02583-4018	PZ 2		2013	74	91	8.6	3.20	4.12	A4III A1V	N D	025815.71-401817.0
02583-4018	PZ 2		2017	78	91	8.4	3.20	4.12	A4III+A1V	N	025815.71-401817.0
02583-4018	PZ 2		2020	80	90	8.2	3.20	4.12	A4III+A1V	N	025815.71-401817.0

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WDS 02583-4018 PZ 2 (Acamar) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 02583-4018 PZ 2 (Acamar) : MEASURES

No records found.

WDS 02583-4018 (Acamar) : VIRTUAL EYEPIECE

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WDS 02583-4018 (Acamar) : ALADIN DSS IMAGE @ 02^h 58^m 15.71^s -40° 18' 17.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 02583-4018 PZ 2 (Acamar) : 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	Acamar	02583-4018	PZ 2		90	8.2
Show		03003-4030	NSN 237		250	1.4	27
Show		03017-4035	TDS 98		227	1.0	43
Show		02590-3929	RST1249		52	1.6	50
Show		03008-4059	UC 930		54	20.2	51
Show		02574-4112	TOI2409	Aa,Ab	156	0.1	55
Show		02574-4112	TOI2409	AB	271	23.8	55
Show		02566-3927	COO 17		190	3.3	56
Show		03018-3928	B 681		180	1.3	66
Show		03036-3956	TSN 48		36	16.6	66
Show		03040-4006	I 1144		284	0.2	67
Show		02583-4132	UC 918		148	17.4	74
Show		02588-3903	TDS2403		190	0.5	76
Show		02514-4034	KPP 897		289	7.5	80
Show		02594-3859	TDS2407		151	0.5	80
Show		02588-3851	RST3374		91	0.3	88
Show		02508-3956	HDS 368	Aa,Ab	223	0.3	89
Show		02508-3956	SHY 427	AB	114	999.9	89
Show		03053-4059	HDS 391		51	0.1	90
Show		03021-3859	TDS2420		2	5.0	91
Show		02527-4124	I 412		288	20.3	91
Show		02503-4017	HJ 3537		31	15.9	91
Show		03050-4124	B 1443		164	0.2	101
Show		02583-4201	KPP2212		293	18.3	103
Show		02501-3938	KPP 627		181	5.7	103
Show		02558-3839	B 679		54	2.2	104
Show		02485-4001	KPP1239		30	9.5	114
Show		02504-3906	KPP1660		263	12.8	116
Show		03053-3844	KPP3509		146	1.9	125
Show		02536-3826	TOK 652		222	560.9	125
Show		03087-4122	I 54		134	0.9	135
Show		02486-4139	WIS 74		154	788.2	136
Show		02588-3758	TDS2402		234	0.5	141
Show		03093-4123	DAM1297		230	2.6	141
Show		03107-4023	LDS9144		178	56.4	144
Show		03031-3803	HJ 3549		275	6.2	146
Show		02568-4246	HJ 3544		193	4.2	148
Show		02457-3943	B 2077		18	10.5	149
Show		02453-4034	WG 16		353	9.3	149
Show		02497-3825	LDS3431	AB	184	3.8	150
Show		02499-3821	TVB 40		67	4.7	153
Show		02454-4101	BRT 651		209	8.8	153
Show		02456-4114	CPO 30		33	2.2	154
Show		02574-4252	KPP3507		218	1.4	155
Show		03068-3810	TDS2447		102	2.5	163
Show		02482-4215	KPP2845		79	6.8	163
Show		02433-4032	HJ 3527	AB	41	2.3	171
Show		02433-4032	ARY 95	AC	80	132.8	171
Show		03081-4231	CPO 3		266	2.4	173
Show		02508-4251	I 1143		351	0.4	175
Show		02590-4313	TVB 45		229	6.0	176

WDS 02583-4018 : COMPONENTS

	A
B	pa=0.0° sep=0.00"

02583-4018 A

Componente originario normalizzato	AB	Common name	Acamar	Coord arcsec 2000	025815.71-401817.0	Mag	3.2
Spectral class	A4III (white)	PmRA	-54.00	PmDE	26.0	SAO	216113
HIP	13847	Tycho2	7563-01016-1	HD	18622	HR	897
GC	3584	CD	CD-40 771	CP	CP-40 253	Bayer	Theta 1 Eridani
Bayer name	The1 Eri	FK5	106

Tycho2

Tycho2	7563-01016-1	Pflag	X	RAmdeg		DEmdeg
PmRA		PmDE		E RAmdeg		E DEmdeg
E pmRA		E pmDE		EpRAm		EpDEm
Num		Q RAmdeg		Q DEmdeg		Q pmRA
Q pmDE		BTmag	3.370	E BTmag	0.014	VTmag	3.195
E VTmag	0.009	Prox	83	TYC	T	HIP	13847
CCDM	A	RAdeg	44.56547722	DEdeg	-40.30473167	EpRA 1990	1.51
EpDE 1990	1.76	E RAdeg	3.4	E DEdeg	3.2	Posflg
Corr	0.1

SAO

SAO	216113	DelFlag		RA1950		PmRA1950	-0.0045
DE1950		PmDE1950	0.023	Vmag	3.4	SpType	A2
Double code		Source	74	CatNum	106	DM	CD-40 771
DMcomp	A	BDsup		HD	18622	M HD	0
GC	3584	RA1950rad	0.76953618	DE1950rad	-0.7069318	PmRA2000	-0.0039
PmDE2000	0.019

Hipparcos

Catalog	H	HIP	13847	Proxy	H	RAhms	02 58 15.72
DEdms	-40 18 17.0	Vmag	2.88	VarFlag		R Vmag	H
RAdeg	44.5655	DEdeg	-40.3047	AstroRef	A	Plx	20.22
CCDM	02583-4018	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	90	Rho	8.31	HD	18622	BD
CD	CD-40 771	CP	CP-40 253	Dm number	-40 771	VIred	0.17
SpType	A4III+...	R SpType		Coord arcsec 2000	025815.72-401817.0

Hipparcos 2

HIP	13847	Sn	17	So	3	Nc	2
RArad	0.7778143958	DErad	-0.7034503238	Plx	20.23	PmRA	-52.89
PmDE	21.98	E RArad	0.38	E DErad	0.47	E Plx	0.55
E pmRA	0.53	E pmDE	0.62	Hpmag	2.9378	E Hpmag	0.0011
SHp	0.009	VA	0	BV	0.128	E BV	0.012
VI	0.17

CCDM

Ccdm	02583-4018	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-2.35	DDEs	-17.1
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	3.4	Sp	A2	PmNote	*
PmRA	-57	PmDE	21	Dm number	-40 771	Cat1	CD
Name2	216113	Cat2	SAO	HD	18622	M HD
ADS BDS		M ADS BDS		N IDS		IDS	02545S4042A
HIC	13847

02583-4018 B

Componente originario normalizzato	AB	Coord arcsec 2000	025816.26-401817.0	Mag	4.12	Spectral class	A1V (white)
PmRA	-3.00	PmDE	4.0	SAO	216114	Tycho2	7563-01017-1
HD	18623	HR	898	GC	3586	Calc delta mag	0.92
Calc coord	yes

Tycho2

Tycho2	7563-01017-1	Pflag		RAmdeg	44.56848739	DEmdeg	-40.30471666
PmRA	-2.9	PmDE	4.3	E RAmdeg	4	E DEmdeg	3
E pmRA	2.4	E pmDE	2.3	EpRAm	1991.50	EpDEm	1991.70
Num	3	Q RAmdeg	1.8	Q DEmdeg	1.7	Q pmRA	1.8
Q pmDE	1.8	BTmag	4.233	E BTmag	0.014	VTmag	4.119
E VTmag	0.009	Prox	83	TYC	T	HIP	13847
CCDM	B	RAdeg	44.56849639	DEdeg	-40.30472667	EpRA 1990	1.53
EpDE 1990	1.72	E RAdeg	3.5	E DEdeg	3.2	Posflg
Corr	0.1

SAO

SAO	216114	DelFlag		RA1950		PmRA1950	-0.0062
DE1950		PmDE1950	0.022	Vmag	4.4	SpType	A2
Double code		Source	70	CatNum	3586	DM	CD-40 771
DMcomp	B	BDsup		HD	18623	M HD	0
GC	3586	RA1950rad	0.76958677	DE1950rad	-0.70692788	PmRA2000	-0.0056
PmDE2000	0.018

CCDM

Ccdm	02583-4018	RComp		Comp	B	Note1
Note2		Discov num	PZ 2	DRAs	-1.62	DDEs	-17.1
R dRAs	91	Year	1952	Theta	088	Rho	8.2
Obs	99	Vmag	4.5	Sp	A2	PmNote	*
PmRA	-57	PmDE	15	Dm number		Cat1
Name2	216114	Cat2	SAO	HD	18623	M HD
ADS BDS		M ADS BDS		N IDS		IDS	02545S4042B
HIC	13847