NLTT 37197

All names: LSPM J1423+3037, PSO J215.9027+30.6277, Gaia EDR3 1284932139108595712, 2MASS J14233662+3037426, USNO-B1.0 1206-00220509, SDSS J142336.65+303741.6, SDSS J142336.65+303741.7, J1423+3037, NLTT 37197, 14236+3037, WDJ142336.64+303742.48, Gaia DR3 1284932139108595712, WD 1421+308, PM J14236+3037, SDSS J142336.64+303741.6, TIC 320244175, Gaia DR2 1284932139108595712, LP 325-33

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Kilic et al. 2025 Caron et al. 2023 Kilic et al. 2020 Blouin et al. 2019 MWDD H Gaia DR2 Stilism Limoges et al. 2015 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999) Vincent et al. 2023
Right ascension 14 23 36.68 (0.06) 14 23 36.65 14 23 36.67 (0.08) 14 23 36.68 14 23 36.64 (0.06) 14 23 36.67 14 23 36.62
Declination 30 37 39.27 (0.06) 30 37 41.68 30 37 39.37 (0.09) 30 37 39.27 30 37 42.47 (0.06) 30 37 39.37 30 37 37.56
Spectral type DA DA DA DA DA DA DA DA DA DA DA
Effective temperature [K] 5242.0 (16) 5264.0 (16) 5209.0 (16) 5285.0 (30) 5299.0 5300.0 (52) 5411.0 (37)
log(g) [cgs] 7.20 (0.01) 7.06 (0.009) 6.95 (0.02) 7.02 (0.03) 7.03 8.00 (0) 7.12 (0.02)
Mass [M] 0.285 (0.004) 0.2 (0) 0.162 (0.006) 0.179 (0.008) 0.184 0.58 (0.1) 0.21 (0.008)
log(Luminosity) [L] -3.95
Cooling age [Gyr] 1.0800 1.2130 (0.03) 1.2110
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] 14.62 (0.09) 14.58 (0.1) 14.59 (0.1) 14.58 (0.1) 14.62 14.62 (0.09) 14.58 (0.1)
Distance [pc] 68.41 (0.4) 68.59 (0.6) 68.56 (0.6) 68.57 (0.6) 40.10 (5) 68.41 68.41 (0.4) 68.57 (0.6)
Composition H H H H H
Proper motion (right ascension) [mas/yr] 25.3812579 (0.09) 25.2627676 (0.2) 25.381 (0.09) 25.263
Proper motion (declination) [mas/yr] -199.7649295 (0.08) -200.3827117 (0.2) -199.765 (0.08) -200.383
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.80
V magnitude
R magnitude 17.30
I magnitude
J magnitude 16.43 (0.01) 16.44 (0.1) 16.44 16.44 (0.1)
H magnitude 16.18 (0.2) 16.18 (0.2) 16.18 16.18 (0.2)
K magnitude 15.67 (0.2) 15.67 (0.2) 15.67 15.67 (0.2)
u magnitude 19.50 (0.03) 19.43 (0.03) 19.51 19.50 (0.03) 19.50 (0.03)
g magnitude 18.17 (0.006) 18.15 18.08 (0.006) 18.17 (0.006)
r magnitude 17.57 (0.006) 17.56 17.57 (0.002) 17.57 (0.006)
i magnitude 17.36 (0.006) 17.36 17.37 (0.004) 17.36 (0.006)
z magnitude 17.27 (0.01) 17.28 17.31 (0.004) 17.27 (0.01)
G magnitude 17.60 (0.01) 17.62 17.60 17.60 (0.003) 17.62
BP magnitude 18.00 (0.01) 18.02 18.02
RP magnitude 17.04 (0.008) 17.03 17.03
Pan g magnitude 18.08 (0.006) 18.08 (0.006) 18.08 (0.006)
Pan r magnitude 17.57 (0.003) 17.57 (0.002) 17.57 (0.002)
Pan i magnitude 17.37 (0.004) 17.37 (0.004) 17.37 (0.004)
Pan z magnitude 17.31 (0.004) 17.31 (0.004) 17.31 (0.004)
Pan y magnitude 17.28 (0.006) 17.28 (0.007) 17.28 (0.007)
E(B-V) 0.006

* 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.