1998A&AS..132..367B

Query : 1998A&AS..132..367B

1998A&AS..132..367B - Astron. Astrophys., Suppl. Ser., 132, 367-379 (1998/November-1)

Physical parameters of the Algol system TZ Eridani from simultaneous analysis of Geneva 7-colour light curves.

BARBLAN F., BARTHOLDI P., NORTH P., BURKI G. and OLSON E.C.

Abstract (from CDS):

Light curves of the semi-detached eclipsing binary system TZ Eridani in the Geneva 7-colour photometric system were analysed using the Wilson-Devinney programme. The physical and orbital parameters have been determined through a self-consistent simultaneous solution of the seven light curves and of the radial velocity curves of both components. The following absolute elements of the components are, for the primary (mass gainer), M₁=1.97±0.06M_☉, R₁=1.69±0.03R_☉, M_bol1=2.36±0.09, T_eff1=7770±100K, and for the secondary (mass loser), M₂=0.37±0.01M_☉, R₂=2.60±0.04R_☉, M_bol2=3.74±0.13, T_eff2=4570±100K. The semi-major axis A of the relative orbit is 10.57±0.16R_☉. The regular increase of the period is described. The spectral type of the components are A5/6 V (primary) and K0/1 III. The secondary has exhibited a long-term luminosity increase of about 0.06 in V between Dec. 1983 and Dec. 1996. The distance to TZ Eri is evaluated to 270±12pc.

Abstract Copyright: ∼

Journal keyword(s): stars: individual: TZ Eridani - binaries: eclipsing - stars: fundamental parameters

VizieR on-line data: <Available at CDS (J/A+AS/132/367): table1.dat>

Simbad objects: 1

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Number of rows : 1

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag U	Mag B	Mag V	Mag R	Mag I	Sp type	#ref 1850 - 2026	#notes
1	V* TZ Eri	EB*	04 21 40.3305335016	-06 01 09.200626176		9.97	9.61			A5	69	0

Query : 1998A&AS..132..367B

Basic data :

V* TZ Eri -- Eclipsing Binary

* (BD,GSC,...), EB* (2017ARep), V* (AN,V*), NIR (2MASS)

04 21 40.3305335016 -06 01 09.200626176 (Optical) [ 0.0190 0.0128 90 ] A 2020yCat.1350....0G

04 19 13.0033010218 -06 08 09.213287603 [ 0.0190 0.0128 90 ]

199.9272383075098 -35.8666521706015 [ 0.0190 0.0128 90 ]

11.877 -37.300 [0.023 0.017 90] A 2020yCat.1350....0G

3.3373 [0.0236] A 2020yCat.1350....0G

A5 D ~

B 9.97 [0.02] D 2000A&A...355L..27H

V 9.61 [0.02] D 2000A&A...355L..27H

G 9.528794 [0.003389] C 2020yCat.1350....0G

J 8.798 [0.027] C 2003yCat.2246....0C

H 8.522 [0.071] C 2003yCat.2246....0C

K 8.453 [0.021] C 2003yCat.2246....0C

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`BD-06 880`	`PPM 186833`	`uvby98 -000600880 V`	`Gaia DR3 3202234883261674368`
`AN 40.1929`	`SAO 131144`	*`V TZ Eri`**	`Gaia DR1 3202234878964240000`
`GSC 04733-01261`	`TIC 37817410`	`YZ 96 1087`
`2MASS J04214032-0601091`	`TYC 4733-1261-1`	`Gaia DR2 3202234883261674368`

References (69 between 1850 and 2026) (Total 69)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).

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`BD-06 880`	`GSC 04733-01261`	`2MASS J04214032-0601091`	`PPM 186833`	`SAO 131144`
`TYC 4733-1261-1`	`uvby98 -000600880 V`	*`V TZ Eri`**	`Gaia DR2 3202234883261674368`	`Gaia DR3 3202234883261674368`
`Gaia DR1 3202234878964240000`

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