All names: PM J02087+2514, LSPM J0208+2514, SDSS J020847.48+251408.8, LAWD 11, TIC 5636651, 2MASS J02084715+2514101, SDSS J020847.49+251408.9, 02087+2514, UBV M 42447, G 94-37, WDJ020847.22+251409.97, GEN# +9.80035029, G 35-29, Gaia DR3 104648944047154432, AC +25 6725-0, AC +25 6725, PLX 438.01, GCRV 21672, WISEA J020847.54+251408.6, G35-29, NLTT 7116, UBV 2158, LTT 10723, Ci 20 148, Gaia EDR3 104648944047154432, CSI+25-02059, WD 0205+250, USNO-B1.0 1152-00025429, EGGR 15, GSC 01761-00901, J0208+2514, Gaia DR2 104648944047154432, WD 0205+25, USNO 6
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | O'Brien et al. 2024 | Kilic et al. 2020 | McCleery et al. 2020 | MWDD H | Gaia DR2 | Bedard et al. 2017 | Stilism | Limoges et al. 2015 | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 08 47.71 (0.02) | 02 08 47.70 (0.04) | 02 08 47.70 (0.04) | 02 08 47.71 | 02 08 47.22 (0.02) | 02 08 47.70 | 02 08 46.27 | ||||||||||
| Declination | 25 14 08.05 (0.02) | 25 14 08.11 (0.04) | 25 14 08.11 (0.04) | 25 14 08.05 | 25 14 09.97 (0.02) | 25 14 08.11 | 25 14 17.52 | ||||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | DA | DA2.4 | DA4 | ||||||
| Effective temperature | [K] | 18836.0 (140) | 16933.0 (324) | 18836.0 (135) | 16675.2 (133) | 15190.0 | 21121.0 (316) | 21120.0 (316) | 21190.0 (317) | 19031.0 (190) | |||||||
| log(g) | [cgs] | 7.57 (0.006) | 7.48 (0.02) | 7.57 (0.006) | 7.48 (0.01) | 7.32 | 7.91 (0.04) | 7.91 (0.05) | 7.91 (0.04) | 7.57 (0.008) | |||||||
| Mass | [M☉] | 0.414 (0.003) | 0.407 (0.005) | 0.414 (0.003) | 0.317 | 0.52 (0.1) | 0.58 (0.02) | 0.57 (0.02) | 0.417 (0.005) | ||||||||
| log(Luminosity) | [L☉] | -1.46 | |||||||||||||||
| Cooling age | [Gyr] | 0.0887 | |||||||||||||||
| 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] | 25.59 (0.03) | 25.59 (0.03) | 25.61 (0.05) | 25.61 (0.05) | 30.00 (2) | 25.59 | 25.59 (0.03) | 25.61 (0.05) | 29.00 (3) | |||||||
| Distance | [pc] | 39.08 (0.04) | 39.08 (0.05) | 39.05 (0.07) | 39.05 (0.07) | 33.30 (3) | 33.30 (3) | 35.00 | 39.08 | 39.08 (0.04) | 39.05 (0.07) | 34.48 (4) | |||||
| Composition | H | H | H | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 418.9729833 (0.03) | 418.9379287 (0.09) | 418.973 (0.03) | 418.9379287 | ||||||||||||
| Proper motion (declination) | [mas/yr] | -120.0789267 (0.03) | -120.2055924 (0.08) | -120.079 (0.03) | -120.2055924 | ||||||||||||
| Variability | |||||||||||||||||
| Magnetic | |||||||||||||||||
| Bd | [MG] | ||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||
| Binarity | |||||||||||||||||
| B magnitude | 13.18 | ||||||||||||||||
| V magnitude | |||||||||||||||||
| R magnitude | 13.10 | ||||||||||||||||
| I magnitude | |||||||||||||||||
| J magnitude | 13.62 (0.02) | ||||||||||||||||
| H magnitude | 13.67 (0.03) | ||||||||||||||||
| K magnitude | 13.73 (0.05) | ||||||||||||||||
| u magnitude | 13.33 (0.003) | 13.33 (0.003) | |||||||||||||||
| g magnitude | 14.27 (0.009) | 14.27 (0.009) | |||||||||||||||
| r magnitude | 13.69 (0.005) | 13.69 (0.005) | |||||||||||||||
| i magnitude | 13.89 (0.003) | 13.89 (0.003) | |||||||||||||||
| z magnitude | 14.01 (0.005) | 14.01 (0.005) | |||||||||||||||
| G magnitude | 13.23 (0.0009) | 13.25 | 13.25 | 13.23 | 13.23 (0.003) | 13.25 | |||||||||||
| BP magnitude | 13.17 (0.0009) | 13.15 | 13.15 | ||||||||||||||
| RP magnitude | 13.37 (0.0008) | 13.38 | 13.38 | ||||||||||||||
| Pan g magnitude | 13.12 (0.005) | ||||||||||||||||
| Pan r magnitude | 13.41 (0.0008) | ||||||||||||||||
| Pan i magnitude | 13.87 (0.07) | ||||||||||||||||
| Pan z magnitude | 13.93 (0.0005) | ||||||||||||||||
| Pan y magnitude | 14.09 (0.004) | ||||||||||||||||
| 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.