EGGR 105

All names: EGGR 105, Gaia EDR3 1232045934759720192, Gaia DR3 1232045934759720192, TIC 417179426, NLTT 36557, J1412+1532, 2MASS J14121541+1532526, Gaia DR2 1232045934759720192, UBV 12503, GEN# +6.20020105, SDSS J141215.16+153253.1, WDJ141215.41+153253.03, LHS 2877, CSI+15-14095, LP 439-354, 1409+157, LSPM J1412+1532, USNO-B1.0 1055-00230231, SDSS J141215.17+153253.20, SDSS J141215.17+153253.2

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Kilic et al. 2025 O'Brien et al. 2024 Caron et al. 2023 McCleery et al. 2020 Leggett et al. 2018 MWDD H MWDD HE Gaia DR2 Stilism Kepler et al. 2015 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Vincent et al. 2023
Right ascension 14 12 14.68 (0.09) 14 12 15.16 14 12 14.70 (0.2) 14 12 14.70 (0.2) 14 12 14.68 14 12 15.41 (0.09) 14 12 14.70
Declination 15 32 53.49 (0.08) 15 32 53.12 15 32 53.48 (0.1) 15 32 53.48 (0.1) 15 32 53.49 15 32 53.02 (0.08) 15 32 53.48
Spectral type DA DC DA DC DA10.1 DC DC DC DC DC DC DC
Effective temperature [K] 4951.0 (25) 4985.0 (86) 4982.0 (24) 4882.6 (77) 5008.0 (81) 4973.0 4658.0 5400.0 (1000) 5001.0 (41)
log(g) [cgs] 8.12 (0.01) 8.14 (0.06) 8.13 (0.01) 8.07 (0.07) 8.11 (0.04) 8.12 7.91 8.00 (0) 8.15 (0.02)
Mass [M] 0.656 (0.01) 0.671 (0.04) 0.664 (0.01) 0.647 (0.04) 0.654 0.514 0.678 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 7.6700 6.8200 (0.5) 7.0710 5.6360
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] 27.41 (0.1) 27.41 (0.1) 27.13 (0.2) 27.13 (0.2) 26.45 (0.5) 27.13 (0.2) 27.41 27.41 (0.1) 27.13 (0.2)
Distance [pc] 36.48 (0.2) 36.48 (0.2) 36.86 (0.3) 36.86 (0.3) 37.81 (0.7) 36.86 (0.3) 36.48 36.48 (0.2) 36.86 (0.3)
Composition H H
Proper motion (right ascension) [mas/yr] -660.4018841 (0.1) -660.1732709 (0.3) -660.402 (0.1) -660.173
Proper motion (declination) [mas/yr] 29.38090726 (0.1) 29.2022455 (0.3) 29.381 (0.1) 29.202
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.08
V magnitude
R magnitude 17.80
I magnitude
J magnitude 16.62 (0.02) 16.26 (0.1)
H magnitude 16.37 (0.3) 16.37 (0.3)
K magnitude 16.14 (0.3) 16.14 (0.3)
u magnitude 20.22 (0.05) 20.23 (0.05) 20.22 (0.05) 20.22 (0.05) 20.44 (0.06)
g magnitude 18.59 (0.007) 18.59 (0.01) 18.59 (0.007) 18.58 (0.008)
r magnitude 17.86 (0.006) 17.86 (0.01) 17.86 (0.006) 17.84 (0.006)
i magnitude 17.58 (0.006) 17.58 (0.01) 17.59 (0.006) 17.57 (0.007)
z magnitude 17.47 (0.01) 17.47 (0.01) 17.47 (0.01) 17.43 (0.02)
G magnitude 17.89 (0.02) 17.91 17.91 17.89 17.89 (0.003) 17.91
BP magnitude 18.39 (0.02) 18.41 18.41
RP magnitude 17.26 (0.01) 17.26 17.26
Pan g magnitude 18.48 (0.009) 18.48 (0.009)
Pan r magnitude 17.85 (0.01) 17.85 (0.007)
Pan i magnitude 17.60 (0.004) 17.60 (0.004)
Pan z magnitude 17.49 (0.007) 17.49 (0.007)
Pan y magnitude 17.48 (0.02) 17.48 (0.02)
E(B-V) 0.002

* 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.