* omi02 Eri B

All names: Gaia DR2 3195919254110817408, 40 Eri B, NLTT 12868, HD 26976, * 40 Eri B, Gaia DR3 3195919254111315712, LHS 24, ** STF 518B, CCDM J04153-0739B, WDS J04153-0739B, WDJ041521.80-073929.20, 2MASS J04152196-0739254, BD-07 781, G 160-60, GC 5140, 8pc 198.24B, CSI-07 781 1, LPM 182, 2E 0412.9-0745, WEB 3795, UCAC2 29035414, UBV 4141, * omi02 Eri B, PMSC 04107-0748B, LP 7-781 A, GCRV 2441, LFT 339, EGGR 33, Gaia EDR3 3195919254111315712, ADS 3093 B, Ci 20 289, AAVSO 0410-07C, UBV M 10045, WD 0413-077, GJ 166 B, CNS5 1053, 2E 957, GEN# +1.00026976B, SAO 131065, WD 0413-074, Zkh 59, LTT 1908, WD 0413-07

Parameter Unit Gaia EDR3 O'Brien et al. 2024 Bedard et al. 2017 Tremblay et al. 2017 Stilism Holberg et al. 2016 Ferrario et al. 2015 Sion et al. 2014 Giammichele et al. 2012 Gianninas et al. 2011 Holberg et al. 2008 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 04 15 19.39 (0.04) 04 15 21.36 04 15 19.39 04 15 21.80 (0.04) 04 15 28.68
Declination -07 40 22.63 (0.03) -07 39 21.60 -07 40 22.63 -07 39 29.20 (0.03) -07 36 39.60
Spectral type DA DA DA DA DA DA3.1 DA DA DAP DA DA2.9 DA4
Effective temperature [K] 16265.0 (278) 17099.0 (256) 17100.0 (260) 17100.0 (256) 16490.0 (84) 17100.0 17100.0 (256) 17100.0 (256) 17292.0 (192)
log(g) [cgs] 7.92 (0.02) 7.95 (0.04) 7.95 (0.04) 7.95 (0.04) 7.95 (0.04) 7.95 (0.04) 7.98 (0.009)
Mass [M] 0.568 (0.01) 0.57 (0.06) 0.51 (0.04) 0.497 (0.005) 0.59 (0.03) 0.59 (0.03) 0.608 (0.007)
log(Luminosity) [L] -1.85
Cooling age [Gyr] 0.1200 0.1200
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 199.69 (0.05) 199.69 (0.05) 200.62 (0.2) 200.64 (0.2) 198.24 (0.8) 198.24 (0.7) 199.69 199.69 (0.05) 194.00
Distance [pc] 5.01 (0.001) 5.01 (0.001) 4.98 (0.01) 4.98 (0.006) 4.98 (0.01) 5.04 5.04 (0.2) 5.00 5.04 5.01 5.01 (0.001) 5.15
Composition H H H H
Proper motion (right ascension) [mas/yr] -2236.169 (0.05) -2236.169 (0.05)
Proper motion (declination) [mas/yr] -3338.955 (0.04) -3338.955 (0.04)
Variability
Magnetic yes
Bd [MG] 0.0073 *
Infrared excess (disk)
Binarity WDMS WDMS yes
B magnitude 9.83
V magnitude 9.52 (0.05) 9.52 9.50 9.53
R magnitude
I magnitude
J magnitude 9.85 (0.03)
H magnitude 9.99 (0.04)
K magnitude 9.86 (0.07)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 9.54 (0.003) 9.54 9.54 (0.003)
BP magnitude 9.48 (0.003)
RP magnitude 9.67 (0.004)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.000

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.