All names: BPS CS 30301-0142, SDSS J145350.39+002531.0, FBS 1451+006, Gaia DR2 3651184550535258496, USNO-B1.0 0904-00237665, PG 1451+006, TIC 446454750, GALEX J145350.3+002531, Gaia DR3 3651184550535258496, SDSS J145428.29+002804.0, SDSS J145428.29+002804.1, EGGR 297, BPS BS 16472-0003, WD 1451+006, Gaia EDR3 3651184550535258496, SDSS J145428.28+002804.0, GEN# +6.10060173, 2MASS J14535036+0025309, WD 1451+00, LSPM J1453+0025, GD 173
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | MWDD H | Gaia DR2 | Stilism | Koester et al. 2014 | Gianninas et al. 2011 | Tremblay et al. 2011 | Koester et al. 2009 | Liebert et al. 2005 | Harris et al. 2003 | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Kleinman et al. 2004 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 53 50.19 (0.04) | 14 54 28.29 | 14 53 50.20 (0.05) | 14 53 50.19 | 14 53 50.39 (0.04) | 14 54 28.29 | 14 53 50.35 | 14 54 28.29 | 14 54 28.29 | |||||||||||
| Declination | 00 25 30.54 (0.03) | 00 28 04.06 | 00 25 30.55 (0.05) | 00 25 30.54 | 00 25 31.02 (0.03) | 00 28 04.07 | 00 25 30.72 | 00 28 04.11 | 00 28 04.12 | |||||||||||
| Spectral type | DA | DA | DA | DA | DA1.5 | DA | DA1.9 | DA | DA3 | DA | ||||||||||
| Effective temperature | [K] | 32013.0 (412) | 27133.0 | 26618.0 (362) | 25990.0 (395) | 31840.0 (670) | 25483.0 (31) | 24930.0 (380) | 25642.0 (448) | 32204.0 (556) | 32000.0 (467) | 32266.0 (537) | ||||||||
| log(g) | [cgs] | 7.72 (0.09) | 7.63 | 7.94 (0.09) | 7.90 (0.05) | 7.54 (0.1) | 7.89 (0.004) | 7.89 (0.05) | 7.91 (0.02) | 7.75 (0.1) | 7.74 (0.1) | 7.77 (0.1) | ||||||||
| Mass | [M☉] | 0.51 (0.04) | 0.467 | 0.607 (0.05) | 0.58 (0.02) | 0.46 (0.06) | 0.58 (0.02) | 0.587 (0.01) | 0.533 (0.04) | |||||||||||
| log(Luminosity) | [L☉] | -0.59 (0.06) | -1.14 | |||||||||||||||||
| Cooling age | [Gyr] | 0.0068 (0.0006) | 0.0128 | 0.0059 | 0.0245 | |||||||||||||||
| log(H/He) | ||||||||||||||||||||
| log(C/He) | ||||||||||||||||||||
| log(Ca/He) | ||||||||||||||||||||
| log(Ca/H) | ||||||||||||||||||||
| log(C/H) | <-8.20 | |||||||||||||||||||
| log(N/H) | ||||||||||||||||||||
| log(O/H) | ||||||||||||||||||||
| log(Na/H) | ||||||||||||||||||||
| log(Mg/H) | ||||||||||||||||||||
| log(Al/H) | ||||||||||||||||||||
| log(Si/H) | -7.7 (0.2) | |||||||||||||||||||
| 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] | 9.77 (0.04) | 9.80 (0.06) | 9.77 | 9.77 (0.04) | |||||||||||||||
| Distance | [pc] | 102.33 (0.5) | 102.03 (0.7) | 103.00 | 102.00 | 102.33 | 102.33 (0.5) | |||||||||||||
| Composition | H | H | H | H | ||||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -184.1982998 (0.05) | -184.5140017 (0.1) | -184.198 (0.05) | -5.1 | -3.0 | ||||||||||||||
| Proper motion (declination) | [mas/yr] | -30.60740513 (0.04) | -30.44488505 (0.09) | -30.607 (0.04) | 3.2 | 2.0 | ||||||||||||||
| Variability | ||||||||||||||||||||
| Magnetic | ||||||||||||||||||||
| Bd | [MG] | |||||||||||||||||||
| Infrared excess (disk) | ||||||||||||||||||||
| Binarity | ||||||||||||||||||||
| B magnitude | 15.15 | |||||||||||||||||||
| V magnitude | 15.27 (0.05) | 15.19 | 15.20 | |||||||||||||||||
| R magnitude | 15.70 | |||||||||||||||||||
| I magnitude | ||||||||||||||||||||
| J magnitude | 15.73 (0.08) | |||||||||||||||||||
| H magnitude | 15.91 (0.2) | |||||||||||||||||||
| K magnitude | 16.02 (0.03) | |||||||||||||||||||
| u magnitude | 18.87 (0.02) | 18.84 | 14.82 (0.004) | 18.85 (0.02) | 18.86 (0.02) | 18.84 (0.02) | ||||||||||||||
| g magnitude | 19.11 (0.009) | 19.11 | 15.01 (0.004) | 19.11 (0.02) | 19.12 (0.02) | 19.11 (0.02) | ||||||||||||||
| r magnitude | 19.58 (0.01) | 19.57 | 15.44 (0.004) | 19.57 (0.02) | 19.57 (0.02) | 19.57 (0.02) | ||||||||||||||
| i magnitude | 19.90 (0.02) | 19.88 | 15.76 (0.005) | 19.89 (0.03) | 19.90 (0.02) | 19.88 (0.03) | ||||||||||||||
| z magnitude | 20.16 (0.09) | 20.14 | 16.05 (0.007) | 20.15 (0.09) | 20.17 (0.09) | 20.15 (0.09) | ||||||||||||||
| G magnitude | 15.23 (0.002) | 15.25 | 15.23 | 15.23 (0.003) | ||||||||||||||||
| BP magnitude | 15.11 (0.002) | 15.07 | ||||||||||||||||||
| RP magnitude | 15.46 (0.002) | 15.46 | ||||||||||||||||||
| Pan g magnitude | 15.06 (0.004) | |||||||||||||||||||
| Pan r magnitude | 15.45 (0.005) | |||||||||||||||||||
| Pan i magnitude | 15.79 (0.004) | |||||||||||||||||||
| Pan z magnitude | 16.05 (0.003) | |||||||||||||||||||
| Pan y magnitude | 16.22 (0.008) | |||||||||||||||||||
| E(B-V) | 0.019 | |||||||||||||||||||
* 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.