WD 1250+348

All names: USNO-B1.0 1246-00201383, SDSS J125312.55+343714.3, Gaia EDR3 1515869884914637824, GSC2 N12231033749, LSPM J1253+3437, SDSS J125312.54+343714.2, WD 1250+348, LP 267-306, WDJ125312.65+343713.54, J1253+3437, Gaia DR2 1515869884914637824, GSC2U J125313.0+343712, NLTT 32204, Gaia DR3 1515869884914637824

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2026b Kilic et al. 2025 Caron et al. 2023 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 12 53 12.25 (0.2) 12 53 12.26 (0.2) 12 53 12.25 12 53 12.65 (0.2) 12 53 12.26 12 53 11.33
Declination 34 37 16.32 (0.2) 34 37 16.23 (0.2) 34 37 16.32 34 37 13.54 (0.2) 34 37 16.23 34 37 07.68
Spectral type DC DC DC DC DC DA: DC DA
Effective temperature [K] 4951.0 (30) 4767.0 (32) 4824.0 (32) 4785.0 4463.0 4918.0 (104)
log(g) [cgs] 8.03 (0.02) 7.89 (0.02) 7.95 (0.03) 7.90 7.67 7.96 (0.05)
Mass [M☉] 0.597 (0.02) 0.517 (0.02) 0.547 (0.02) 0.52 0.386 0.556 (0.05)
log(Luminosity) [L☉]
Cooling age [Gyr] 6.0900 5.5370 4.0130
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(Li/H)
log(Be/H)
log(B/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(Cl/H)
log(K/H)
log(Sc/H)
log(Ti/H)
log(V/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Co/H)
log(Ni/H)
log(Cu/H)
log(Sr/H)
Parallax [mas] 17.07 (0.2) 17.03 (0.3) 17.03 (0.3) 17.07 17.07 (0.2) 17.03 (0.3)
Distance [pc] 58.57 (0.8) 58.72 (1) 58.73 (1) 58.57 58.57 (0.8) 58.73 (1)
Composition H H H
Proper motion (right ascension) [mas/yr] -308.2471368 (0.2) -308.5512748 (0.4) -308.247 (0.2) -308.5512748
Proper motion (declination) [mas/yr] 173.5621256 (0.3) 173.5599595 (0.3) 173.562 (0.3) 173.5599595
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.20
V magnitude
R magnitude 18.50
I magnitude
J magnitude 17.45 (0.03)
H magnitude 17.15 (0.06)
K magnitude 17.17 (0.07)
u magnitude 21.40 (0.1) 21.40 (0.1) 21.40 (0.1)
g magnitude 19.57 (0.01) 19.57 (0.01)
r magnitude 18.75 (0.009) 18.75 (0.009)
i magnitude 18.45 (0.01) 18.45 (0.01)
z magnitude 18.33 (0.03) 18.33 (0.03)
G magnitude 18.79 (0.05) 18.82 18.79 18.79 (0.004) 18.82
BP magnitude 19.32 (0.05) 19.31 19.31
RP magnitude 18.05 (0.03) 18.10 18.10
Pan g magnitude 19.46 (0.01) 19.45 (0.01)
Pan r magnitude 18.75 (0.005) 18.76 (0.007)
Pan i magnitude 18.46 (0.01) 18.48 (0.02)
Pan z magnitude 18.39 (0.05) 18.35 (0.008)
Pan y magnitude 18.29 (0.04) 18.33 (0.03)
E(B-V) 0.002

* Constant surface field

Special notes:

Spectra

Controls

Normalize at:
Normalize by mean flux

Range:

x: to
y: to

Spectra available:

Spectra without link are available upon request

Absorption lines

Photometric filters

BVRI
ugriz

Photometric fit




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.