All names: USNO-B1.0 1090-00178788, TIC 88049495, LP 428-54, Gaia EDR3 627240597321087488, WDJ095120.10+190011.85, 09513+1900, J0951+1900, LSPM J0951+1900, Gaia DR2 627240597321087488, SDSS J095120.16+190010.7, NLTT 22762, PM J09513+1900, WD 0948+192, Gaia DR3 627240597321087488, 2MASS J09512005+1900123, PSO J147.8343+19.0025
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | Blouin et al. 2019 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Limoges et al. 2015 | Sayres et al. 2012 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 09 51 20.30 (0.1) | 09 51 20.30 (0.2) | 09 51 20.10 | 09 51 20.30 | 09 51 20.10 (0.1) | 09 51 20.30 | |||||||||
Declination | 19 00 08.37 (0.1) | 19 00 08.48 (0.2) | 19 00 11.80 | 19 00 08.37 | 19 00 11.86 (0.1) | 19 00 08.48 | |||||||||
Spectral type | DC | DC | DC | DC | DC | DC | DC | DA | DC | ||||||
Effective temperature | [K] | 5377.0 (24) | 5659.0 (25) | 5460.0 (75) | 5755.0 | 5635.0 | 5870.0 (73) | 5850.0 (100) | 5959.0 (64) | ||||||
log(g) | [cgs] | 7.74 (0.01) | 7.93 (0.02) | 7.84 (0.04) | 8.04 | 7.95 | 8.00 (0) | 8.17 (0.02) | |||||||
Mass | [M☉] | 0.425 (0.01) | 0.531 (0.01) | 0.479 (0.02) | 0.608 | 0.542 | 0.57 (0.1) | 0.696 (0.02) | |||||||
log(Luminosity) | [L☉] | -3.78 | |||||||||||||
Cooling age | [Gyr] | 3.0100 | 2.9130 (0.3) | 2.7720 | 3.1360 | ||||||||||
log(H/He) | -5.0 | ||||||||||||||
log(C/He) | |||||||||||||||
log(Ca/He) | |||||||||||||||
log(Ca/H) | |||||||||||||||
log(N/He) | |||||||||||||||
log(O/He) | |||||||||||||||
log(Na/He) | |||||||||||||||
log(Mg/He) | |||||||||||||||
log(Al/He) | |||||||||||||||
log(Si/He) | |||||||||||||||
log(P/He) | |||||||||||||||
log(S/He) | |||||||||||||||
log(Cl/He) | |||||||||||||||
log(Sc/He) | |||||||||||||||
log(Ti/He) | |||||||||||||||
log(V/He) | |||||||||||||||
log(Cr/He) | |||||||||||||||
log(Mn/He) | |||||||||||||||
log(Fe/He) | |||||||||||||||
log(Co/He) | |||||||||||||||
log(Ni/He) | |||||||||||||||
log(Cu/He) | |||||||||||||||
log(Zn/He) | |||||||||||||||
log(Ga/He) | |||||||||||||||
log(Ge/He) | |||||||||||||||
log(Sr/He) | |||||||||||||||
Parallax | [mas] | 20.38 (0.1) | 20.26 (0.2) | 20.26 (0.2) | 20.26 (0.2) | 20.38 | 20.38 (0.1) | 20.26 (0.2) | |||||||
Distance | [pc] | 49.06 (0.3) | 49.36 (0.6) | 49.35 (0.6) | 49.35 (0.6) | 51.20 (6) | 51.50 | 49.06 | 49.06 (0.3) | 49.35 (0.6) | |||||
Composition | He | He | He | He | |||||||||||
Proper motion (right ascension) | [mas/yr] | 177.4368955 (0.1) | 177.1037476 (0.3) | 173.0 | 177.437 (0.1) | 177.1037476 | |||||||||
Proper motion (declination) | [mas/yr] | -217.7853917 (0.1) | -217.2730686 (0.3) | -213.0 | -217.785 (0.1) | -217.2730686 | |||||||||
Variability | |||||||||||||||
Magnetic | |||||||||||||||
Bd | [MG] | ||||||||||||||
Infrared excess (disk) | |||||||||||||||
Binarity | |||||||||||||||
B magnitude | 17.60 | ||||||||||||||
V magnitude | |||||||||||||||
R magnitude | 17.20 | ||||||||||||||
I magnitude | |||||||||||||||
J magnitude | 16.79 (0.02) | 16.70 (0.1) | 16.70 | 16.70 (0.1) | 16.70 (0.1) | ||||||||||
H magnitude | 16.36 (0.2) | 16.36 (0.2) | 16.36 | 16.36 (0.2) | 16.36 (0.2) | ||||||||||
K magnitude | 17.33 (0.03) | 17.33 | 17.33 | ||||||||||||
u magnitude | 18.94 (0.02) | 18.94 | 18.93 (0.02) | 18.93 (0.02) | 18.93 (0.02) | ||||||||||
g magnitude | 18.10 | 18.11 (0.02) | 18.06 (0.006) | 18.11 (0.006) | |||||||||||
r magnitude | 17.68 | (0.02) | 17.68 (0.002) | 17.70 (0.006) | |||||||||||
i magnitude | 17.55 | 17.54 (0.02) | 17.53 (0.005) | 17.54 (0.006) | |||||||||||
z magnitude | 17.54 | 17.55 (0.04) | 17.49 (0.007) | 17.55 (0.01) | |||||||||||
G magnitude | 17.70 (0.03) | 17.72 | 17.70 | 17.70 (0.003) | 17.72 | ||||||||||
BP magnitude | 18.07 (0.03) | 18.04 | 18.04 | ||||||||||||
RP magnitude | 17.34 (0.02) | 17.21 | 17.21 | ||||||||||||
Pan g magnitude | 18.06 (0.006) | 18.06 (0.006) | 18.06 (0.006) | ||||||||||||
Pan r magnitude | 17.68 (0.002) | 17.68 (0.002) | 17.68 (0.002) | ||||||||||||
Pan i magnitude | 17.53 (0.004) | 17.53 (0.005) | 17.53 (0.005) | ||||||||||||
Pan z magnitude | 17.49 (0.007) | 17.49 (0.007) | 17.49 (0.007) | ||||||||||||
Pan y magnitude | 17.51 (0.009) | 17.51 (0.008) | 17.51 (0.008) | ||||||||||||
E(B-V) | 0.001 |
* Constant surface field
Spectra without link are available upon request
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.