EGGR 29

All names: Gaia DR2 45980377978968064, Cl* Melotte 25 REID 81, LP 414-101, GEN# +6.00000227, 2MASS J04092888+1707542, Gaia DR3 45980377978968064, Gaia EDR3 45980377978968064, WDJ040928.90+170754.39, TIC 348665500, HG 7-112, HS 0406+1700, USNO-B1.0 1071-00049960, CSI+16-04063, LAMOST J040928.98+170754.1, EGGR 29, WD 0406+169, WD 0406+16, UBV 4054, LB 227

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H Gaia DR2 Stilism Guo et al. 2015 Gianninas et al. 2011 Koester et al. 2009 Mukadam et al. 2004 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 04 09 29.03 (0.05) 04 09 29.02 (0.09) 04 09 29.03 04 09 28.90 (0.05) 04 09 29.02 04 09 09.82
Declination 17 07 54.04 (0.03) 17 07 54.05 (0.04) 17 07 54.04 17 07 54.40 (0.03) 17 07 54.05 17 06 51.48
Spectral type DA DA DA DA DA3.2 DA3
Effective temperature [K] 15512.0 16207.0 (92) 15810.0 (288) 16049.0 (48) 16000.0 16175.0 (204)
log(g) [cgs] 8.39 8.37 (0.02) 8.38 (0.05) 8.24 (0.008) 8.43 (0.01)
Mass [M] 0.858 0.84 (0.01) 0.85 (0.03) 0.882 (0.009)
log(Luminosity) [L]
Cooling age [Gyr] 0.3379
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] 19.99 (0.05) 19.94 (0.09) 19.99 19.99 (0.05) 19.94 (0.09) 23.00 (5)
Distance [pc] 50.04 (0.1) 50.15 (0.2) 52.00 50.04 50.04 (0.1) 50.15 (0.2) 43.48 (9)
Composition H H
Proper motion (right ascension) [mas/yr] 111.0746884 (0.06) 111.4541721 (0.3) 111.075 (0.06) 111.4541721
Proper motion (declination) [mas/yr] -22.29227571 (0.04) -22.02145899 (0.1) -22.292 (0.04) -22.02145899
Variability NOV NOV
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.38
V magnitude 15.35 15.32
R magnitude 15.41
I magnitude 15.52
J magnitude 15.70 (0.07)
H magnitude 15.47 (0.1)
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.36 (0.002) 15.38 15.36 15.36 (0.003) 15.38
BP magnitude 15.32 (0.002) 15.30 15.30
RP magnitude 15.46 (0.003) 15.46 15.46
Pan g magnitude 15.24 (0.007)
Pan r magnitude 15.51 (0.002)
Pan i magnitude 15.79 (0.005)
Pan z magnitude 16.03 (0.002)
Pan y magnitude 16.19 (0.003)
E(B-V) 0.001

* 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.