All names: Gaia DR3 1371872413302877568, FBS 1553+354, UCAC4 627-050981, WDJ155501.99+351328.65, FBS B 573, WISE J155502.01+351328.3, 2MASS J15550198+3513287, Gaia EDR3 1371872413302877568, WD 1553+353, GALEX J155502.0+351329, 1SWASP J155501.99+351328.6, WISEA J155502.00+351328.2, PG 1553+354, J1555+3513, TIC 188576708, SDSS J155501.99+351328.5, SDSS J155502.00+351328.6, Gaia DR2 1371872413302877568
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Kilic et al. 2020 | 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 | 15 55 02.02 (0.02) | 15 55 02.02 (0.03) | 15 55 02.02 | 15 55 01.99 (0.02) | 15 55 02.02 | 15 55 01.44 | ||||||
| Declination | 35 13 28.03 (0.03) | 35 13 28.05 (0.04) | 35 13 28.03 | 35 13 28.65 (0.03) | 35 13 28.05 | 35 13 22.80 | ||||||
| Spectral type | DA | DA | DA | DA | DA1.9 | DA2 | ||||||
| Effective temperature | [K] | 22487.0 (360) | 22493.0 (361) | 26370.0 (396) | 23978.0 (221) | |||||||
| log(g) | [cgs] | 7.56 (0.01) | 7.54 (0.01) | 7.90 (0.05) | 7.63 (0.009) | |||||||
| Mass | [M☉] | 0.423 (0.007) | 0.416 (0.007) | 0.59 (0.02) | 0.455 (0.005) | |||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | |||||||||||
| 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] | 10.48 (0.03) | 10.36 (0.04) | 10.48 | 10.48 (0.03) | 10.36 (0.04) | ||||||
| Distance | [pc] | 95.38 (0.3) | 96.53 (0.4) | 85.00 | 95.38 | 95.38 (0.3) | 96.53 (0.4) | |||||
| Composition | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 22.52853216 (0.03) | 22.50784744 (0.06) | 22.529 (0.03) | 22.50784744 | |||||||
| Proper motion (declination) | [mas/yr] | -38.70087013 (0.03) | -38.8288964 (0.08) | -38.701 (0.04) | -38.8288964 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 14.71 (0.07) | |||||||||||
| V magnitude | 14.79 (0.03) | |||||||||||
| R magnitude | 15.04 (0.07) | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | 15.29 (0.04) | |||||||||||
| H magnitude | 15.27 (0.09) | |||||||||||
| K magnitude | 15.32 (0.1) | |||||||||||
| u magnitude | 14.49 (0.004) | 14.49 (0.004) | ||||||||||
| g magnitude | 14.58 (0.003) | 14.58 (0.003) | ||||||||||
| r magnitude | 15.00 (0.003) | 15.00 (0.003) | ||||||||||
| i magnitude | 15.30 (0.004) | 15.30 (0.004) | ||||||||||
| z magnitude | 15.59 (0.006) | 15.59 (0.006) | ||||||||||
| G magnitude | 14.81 (0.001) | 14.82 | 14.81 | 14.81 (0.003) | 14.82 | |||||||
| BP magnitude | 14.71 (0.001) | 14.67 | 14.67 | |||||||||
| RP magnitude | 15.00 (0.002) | 15.00 | 15.00 | |||||||||
| Pan g magnitude | 14.66 (0.005) | |||||||||||
| Pan r magnitude | 15.03 (0.004) | |||||||||||
| Pan i magnitude | 15.33 (0.002) | |||||||||||
| Pan z magnitude | 15.58 (0.002) | |||||||||||
| Pan y magnitude | 15.77 (0.006) | |||||||||||
| E(B-V) | 0.013 | |||||||||||
* 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.