EGGR 370

All names: USNO-B1.0 1595-00136525, LSPM J1713+6931, G 240-51, FBS 1713+696, TIC 219863212, uvby98 980240051, WDJ171306.09+693125.51, FBS B 912, WISEA J171305.98+693121.9, G 258-3, CSI+69-17137, PM J17131+6931, LTT 18455, 2MASS J17130612+6931257, WD 1713+695, G240-51, SDSS J171306.06+693124.9, EGGR 370, NLTT 44458, Gaia DR2 1638563322306634368, PLX 3930, Gaia DR3 1638563322306634368, WD 1713+69, AC +69 6829, Gaia EDR3 1638563322306634368, USNO 643, AC +69 6829-0, 17131+6931

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 McCleery et al. 2020 MWDD H Gaia DR2 Bedard et al. 2017 Stilism Limoges et al. 2015 Gianninas et al. 2011 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 17 13 05.92 (0.02) 17 13 05.93 (0.03) 17 13 05.93 (0.03) 17 13 05.92 17 13 06.09 (0.02) 17 13 05.93 17 13 06.31
Declination 69 31 20.02 (0.02) 69 31 20.19 (0.04) 69 31 20.19 (0.04) 69 31 20.02 69 31 25.51 (0.02) 69 31 20.19 69 31 31.08
Spectral type DA DA DA DA DA DA DA DA3.2 DA3
Effective temperature [K] 15732.0 (272) 15664.5 (151) 14361.0 15952.0 (243) 15880.0 (239) 15950.0 (241) 15947.0 (119)
log(g) [cgs] 8.00 (0.02) 8.00 (0.01) 7.92 8.00 (0.05) 7.99 (0.05) 7.99 (0.04) 8.02 (0.006)
Mass [M] 0.614 (0.01) 0.564 0.55 (0.1) 0.61 (0.03) 0.61 (0.03) 0.625 (0.005)
log(Luminosity) [L] -2.01
Cooling age [Gyr] 0.1985
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] 38.09 (0.02) 38.09 (0.02) 38.08 (0.03) 38.08 (0.03) 36.10 (4) 38.09 38.09 (0.02) 38.08 (0.03) 36.60
Distance [pc] 26.25 (0.01) 26.25 (0.01) 26.26 (0.02) 26.26 (0.02) 25.00 (3) 27.70 (3) 27.00 26.25 26.25 (0.01) 26.26 (0.02) 27.32
Composition H H H H
Proper motion (right ascension) [mas/yr] -55.51276017 (0.02) -55.52174146 (0.05) -55.513 (0.02) -55.52174146
Proper motion (declination) [mas/yr] -343.0421087 (0.03) -343.1849966 (0.08) -343.042 (0.03) -343.1849966
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 13.40
V magnitude
R magnitude 13.60
I magnitude
J magnitude 13.62 (0.02)
H magnitude 13.72 (0.03)
K magnitude 13.74 (0.06)
u magnitude 13.43 (0.003) 13.43 (0.003)
g magnitude 13.22 (0.003) 13.17 (0.002)
r magnitude 13.48 (0.004) 13.46 (0.003)
i magnitude 13.74 (0.004) 13.72 (0.003)
z magnitude 14.04 (0.005) 14.00 (0.004)
G magnitude 13.33 (0.001) 13.35 13.35 13.33 13.33 (0.003) 13.35
BP magnitude 13.28 (0.001) 13.27 13.27
RP magnitude 13.45 (0.001) 13.45 13.45
Pan g magnitude 13.25 (0.001)
Pan r magnitude 13.50 (0.008)
Pan i magnitude 13.78 (0.002)
Pan z magnitude 14.01 (0.001)
Pan y magnitude 14.18 (0.004)
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.