All names: TIC 349792831, 2MASS J09334105+2911232, SDSS J093341.00+291122.4, Gaia DR3 696261653777188864, GEN# +6.10070017, PM J09336+2911, UBV M 53755, Ton 17, GEN# +9.80117025, EGGR 324, WD 0930+294, NLTT 22043, Gaia EDR3 696261653777188864, USNO 137, PLX 2273.11, 09336+2911, LP 314-23, USNO-B1.0 1191-00175122, PSO J143.4203+29.1890, CBS 13, G 117-25, CHSS 662, UBV M 43101, WD 0930+29, LSPM J0933+2911, UCAC2 42059830, Gaia DR2 696261653777188864, WDJ093341.05+291123.32, SDSS J093341.00+291122.5, G117-25, J0933+2911
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | Blouin et al. 2019 | MWDD H | MWDD HE | Gaia DR2 | Bedard et al. 2017 | Stilism | Limoges et al. 2015 | Gianninas et al. 2011 | Zuckerman et al. 2003 | Bergeron et al. 2001 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 33 40.86 (0.04) | 09 33 41.00 | 09 33 40.86 (0.05) | 09 33 40.86 (0.05) | 09 33 40.86 | 09 33 41.05 (0.04) | 09 33 40.86 | 09 33 42.29 | 09 33 41.00 | ||||||||||||||
| Declination | 29 11 20.48 (0.03) | 29 11 22.49 | 29 11 20.57 (0.04) | 29 11 20.57 (0.04) | 29 11 20.48 | 29 11 23.32 (0.03) | 29 11 20.57 | 29 11 27.24 | 29 11 22.52 | ||||||||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | DA | DA | DA6.0 | DA | DA6 | DA | DA | ||||||||
| Effective temperature | [K] | 8278.0 (77) | 8319.0 (36) | 8254.2 (67) | 8225.0 (90) | 8259.0 | 7938.0 | 8250.0 (120) | 8290.0 (121) | 8400.0 (122) | 8589.0 | 8330.0 (220) | 8293.0 (34) | 8270.0 (16) | |||||||||
| log(g) | [cgs] | 8.48 (0.02) | 8.49 (0.006) | 8.48 (0.02) | 8.48 (0.02) | 8.48 | 8.39 | 8.46 (0.06) | 8.52 (0.06) | 8.65 (0.06) | 8.39 | 8.38 (0.2) | 8.48 (0.006) | 8.52 (0.02) | |||||||||
| Mass | [M☉] | 0.902 (0.01) | 0.911 (0.006) | 0.902 (0.01) | 0.901 | 0.828 | 1.0 (0.3) | 0.93 (0.04) | 1.01 (0.04) | 0.84 (0.1) | 0.907 (0.005) | 0.916 (0.01) | |||||||||||
| log(Luminosity) | [L☉] | -3.49 | -3.38 (0.1) | ||||||||||||||||||||
| Cooling age | [Gyr] | 2.6200 | 2.4940 (0.1) | 2.4660 | 2.3720 | 1.9400 (0.7) | |||||||||||||||||
| log(H/He) | |||||||||||||||||||||||
| log(C/He) | |||||||||||||||||||||||
| log(Ca/He) | |||||||||||||||||||||||
| log(Ca/H) | <-10.757 | ||||||||||||||||||||||
| 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] | 33.96 (0.05) | 33.96 (0.05) | 33.93 (0.07) | 33.93 (0.07) | 33.93 (0.07) | 33.93 (0.07) | 31.20 (5) | 31.20 (5) | 33.96 | 33.96 (0.05) | 33.93 (0.07) | 30.00 (4) | ||||||||||
| Distance | [pc] | 29.44 (0.04) | 29.45 (0.04) | 29.47 (0.06) | 29.47 (0.06) | 29.47 (0.06) | 29.47 (0.06) | 31.40 (5) | 32.10 (5) | 25.00 | 32.05 (5) | 29.44 | 29.44 (0.04) | 29.47 (0.06) | 33.33 (4) | ||||||||
| Composition | H | H | H | H | H | H | |||||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -158.9863589 (0.05) | -159.1118595 (0.1) | -158.986 (0.05) | -159.112 | ||||||||||||||||||
| Proper motion (declination) | [mas/yr] | -177.2714921 (0.03) | -177.3037773 (0.08) | -177.271 (0.03) | -177.304 | ||||||||||||||||||
| Variability | |||||||||||||||||||||||
| Magnetic | |||||||||||||||||||||||
| Bd | [MG] | ||||||||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||||||||
| Binarity | |||||||||||||||||||||||
| B magnitude | 16.22 | 16.14 | |||||||||||||||||||||
| V magnitude | 15.98 | ||||||||||||||||||||||
| R magnitude | 15.83 | 15.80 | |||||||||||||||||||||
| I magnitude | 15.66 | ||||||||||||||||||||||
| J magnitude | 15.55 (0.007) | 15.59 (0.07) | 15.53 | 15.51 | 15.59 (0.07) | ||||||||||||||||||
| H magnitude | 15.40 (0.1) | 15.40 (0.1) | 15.50 | 15.40 | 15.40 (0.1) | ||||||||||||||||||
| K magnitude | 15.28 (0.1) | 15.28 (0.1) | 15.33 | 15.45 | 15.28 (0.1) | ||||||||||||||||||
| u magnitude | 16.40 (0.006) | 16.40 (0.006) | 16.40 (0.006) | 16.40 (0.006) | 16.39 | 16.42 (0.01) | |||||||||||||||||
| g magnitude | 16.00 (0.004) | 16.02 (0.006) | 16.00 (0.004) | 16.05 | 16.04 (0.02) | ||||||||||||||||||
| r magnitude | 15.97 (0.004) | 15.97 (0.003) | 15.97 (0.004) | 15.98 | 15.97 (0.02) | ||||||||||||||||||
| i magnitude | 16.00 (0.005) | 16.02 (0.004) | 16.00 (0.005) | 16.03 | 16.01 (0.02) | ||||||||||||||||||
| z magnitude | 16.12 (0.007) | 16.12 (0.003) | 16.12 (0.007) | 16.17 | 16.13 (0.02) | ||||||||||||||||||
| G magnitude | 15.91 (0.002) | 15.93 | 15.93 | 15.91 | 15.91 (0.003) | 15.93 | |||||||||||||||||
| BP magnitude | 16.03 (0.002) | 16.03 | 16.03 | ||||||||||||||||||||
| RP magnitude | 15.70 (0.002) | 15.71 | 15.71 | ||||||||||||||||||||
| Pan g magnitude | 16.02 (0.005) | 16.02 (0.006) | 16.02 (0.006) | ||||||||||||||||||||
| Pan r magnitude | 15.97 (0.003) | 15.97 (0.003) | 15.97 (0.003) | ||||||||||||||||||||
| Pan i magnitude | 16.02 (0.004) | 16.02 (0.004) | 16.02 (0.004) | ||||||||||||||||||||
| Pan z magnitude | 16.12 (0.004) | 16.12 (0.003) | 16.12 (0.003) | ||||||||||||||||||||
| Pan y magnitude | 16.19 (0.008) | 16.19 (0.008) | 16.19 (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.