All names: TIC 316313844, Gaia DR2 1489418418289775616, WISE J145155.78+422143.3, Gaia EDR3 1489418418289775616, 1SWASP J145156.24+422142.9, WD 1450+425, Gaia DR2 1489418418289776000, SDSS J145155.82+422143.7, Gaia DR3 1489418418289776000, 2MASS J14515584+4221438, USNO-B1.0 1323-00313064, Gaia DR3 1489418418289775616, WDJ145156.40+422142.26, SDSS J145155.82+422143.6, CBS 206, WISEA J145155.78+422143.2, J1451+4221
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 51 56.30 (0.03) | 14 51 56.30 (0.03) | 14 51 56.30 | 14 51 55.84 (0.02) | 14 51 56.30 | 14 51 56.26 | |||||||
| Declination | 42 21 41.33 (0.03) | 42 21 41.36 (0.03) | 42 21 41.33 | 42 21 43.84 (0.02) | 42 21 41.36 | 42 21 44.28 | |||||||
| Spectral type | DA | DA | DA | DA5.2 | DA | ||||||||
| Effective temperature | [K] | 9413.0 (31) | 9251.0 | 9164.0 | 9610.0 (141) | 9660.0 (63) | |||||||
| log(g) | [cgs] | 7.93 (0.006) | 7.89 | 7.82 | 8.21 (0.06) | 7.99 (0.01) | |||||||
| Mass | [M☉] | 0.557 (0.005) | 0.535 | 0.477 | 0.73 (0.04) | 0.593 (0.009) | |||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.6700 | 0.6403 | 0.6211 | |||||||||
| 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] | 16.57 (0.04) | 16.52 (0.04) | 16.52 (0.04) | 16.57 | 16.49 (0.03) | 16.52 (0.04) | ||||||
| Distance | [pc] | 60.35 (0.1) | 60.53 (0.1) | 60.52 (0.2) | 47.00 | 60.35 | 60.64 (0.1) | 60.52 (0.2) | |||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -70.89431965 (0.03) | -70.7471641 (0.07) | -69.715 (0.03) | -70.7471641 | ||||||||
| Proper motion (declination) | [mas/yr] | -58.05952616 (0.04) | -58.14759281 (0.07) | -61.547 (0.03) | -58.14759281 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 17.40 | ||||||||||||
| V magnitude | 15.57 | ||||||||||||
| R magnitude | 15.00 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 16.03 (0.01) | 12.18 (0.02) | |||||||||||
| H magnitude | 11.54 (0.03) | ||||||||||||
| K magnitude | 11.28 (0.02) | ||||||||||||
| u magnitude | 16.63 (0.006) | 16.63 (0.006) | |||||||||||
| g magnitude | 16.21 (0.004) | ||||||||||||
| r magnitude | 16.25 (0.004) | ||||||||||||
| i magnitude | 16.26 (0.005) | ||||||||||||
| z magnitude | 16.50 (0.008) | ||||||||||||
| G magnitude | 16.18 (0.003) | 16.20 | 16.18 | 15.36 (0.003) | 16.20 | ||||||||
| BP magnitude | 16.26 (0.003) | 16.25 | 16.25 | ||||||||||
| RP magnitude | 16.06 (0.003) | 16.07 | 16.07 | ||||||||||
| Pan g magnitude | 16.22 (0.002) | 16.22 (0.002) | |||||||||||
| Pan r magnitude | 16.25 (0.005) | 16.25 (0.005) | |||||||||||
| Pan i magnitude | 16.38 (0.002) | 16.38 (0.002) | |||||||||||
| Pan z magnitude | 16.52 (0.005) | 16.52 (0.004) | |||||||||||
| Pan y magnitude | 16.58 (0.007) | 16.59 (0.007) | |||||||||||
| E(B-V) | 0.007 | ||||||||||||
* 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.