All names: SDSS J162324.06+343647.7, 2MASS J16232413+3436467, WISEA J162324.07+343648.0, Gaia DR2 1329148518183388928, WD 1621+347, TIC 8413930, Gaia DR3 1329148518183388928, WDJ162324.07+343647.37, SDSS J162324.05+343647.7, WISE J162324.08+343647.9, Gaia DR2 1329148518184242688, Gaia EDR3 1329148518184242688, SDSS J162324.05+343647.9, Gaia DR3 1329148518184242688
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | MWDD H | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Tremblay et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 23 24.00 (0.06) | 16 23 24.05 | 16 23 24.00 (0.06) | 16 23 24.05 | 16 23 24.00 | 16 23 24.13 (0.3) | 16 23 24.00 | 16 23 24.05 | 16 23 23.69 | 16 23 24.06 | |||||||
| Declination | 34 36 49.05 (0.07) | 34 36 47.88 | 34 36 49.00 (0.08) | 34 36 47.70 | 34 36 49.05 | 34 36 46.84 (0.5) | 34 36 49.00 | 34 36 47.73 | 34 36 42.48 | 34 36 47.70 | |||||||
| Spectral type | DA+dM | DA+M | DA+M | DA | DA | M9 | DA_MS | DA+M | DA d | DA+M | DA+MS | ||||||
| Effective temperature | [K] | 7596.0 (62) | 6987.0 | 7910.0 (54) | 7560.0 (40) | 6830.0 (70) | 7815.0 (28) | 7234.0 (28) | |||||||||
| log(g) | [cgs] | 8.04 (0.02) | 7.82 | 8.59 (0.1) | 8.16 (0.08) | 7.64 (0.02) | 8.46 (0.05) | 7.80 (0.05) | |||||||||
| Mass | [M☉] | 0.616 (0.01) | 0.489 | 0.97 (0.07) | 0.69 (0.05) | 0.403 (0.01) | |||||||||||
| log(Luminosity) | [L☉] | ||||||||||||||||
| Cooling age | [Gyr] | 1.1820 | 1.6218 | ||||||||||||||
| 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] | 16.56 (0.09) | 16.81 (0.08) | 16.56 | 16.50 (0.4) | 16.81 (0.08) | |||||||||||
| Distance | [pc] | 60.37 (0.3) | 59.48 (0.3) | 195.00 (112) | 60.37 | 60.62 (1) | 59.48 (0.3) | ||||||||||
| Composition | H | H | H | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -58.66482926 (0.08) | -59.0347589 (0.1) | -72.456 (0.4) | -59.035 | -57.7 | |||||||||||
| Proper motion (declination) | [mas/yr] | 105.8934008 (0.1) | 105.4453881 (0.2) | 102.469 (0.6) | 105.445 | 105.0 | |||||||||||
| Variability | |||||||||||||||||
| Magnetic | |||||||||||||||||
| Bd | [MG] | ||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||
| Binarity | WDMS | WDMS | WDMS | WDMS | |||||||||||||
| B magnitude | |||||||||||||||||
| V magnitude | |||||||||||||||||
| R magnitude | |||||||||||||||||
| I magnitude | |||||||||||||||||
| J magnitude | 14.76 (0.03) | ||||||||||||||||
| H magnitude | 14.14 (0.03) | ||||||||||||||||
| K magnitude | 13.76 (0.03) | ||||||||||||||||
| u magnitude | 17.69 (0.01) | 17.67 | 17.71 (0.01) | 17.67 (0.01) | 17.67 | 17.69 (0.01) | |||||||||||
| g magnitude | 17.21 (0.004) | 17.25 | 17.25 (0.005) | 17.25 (0.01) | 17.25 | 17.26 (0.01) | |||||||||||
| r magnitude | 17.10 (0.005) | 17.12 | 17.11 (0.005) | 17.12 (0.02) | 17.12 | 17.13 (0.02) | |||||||||||
| i magnitude | 16.95 (0.005) | 17.02 | 17.03 (0.005) | 17.02 (0.01) | 17.03 | 17.03 (0.01) | |||||||||||
| z magnitude | 16.47 (0.008) | 16.57 | 16.53 (0.009) | 16.57 (0.02) | 16.57 | 16.59 (0.02) | |||||||||||
| G magnitude | 17.10 (0.006) | 17.11 | 17.10 | 19.37 (0.006) | 17.11 | ||||||||||||
| BP magnitude | 17.25 (0.006) | 17.23 | 17.23 | ||||||||||||||
| RP magnitude | 16.47 (0.007) | 16.48 | 16.48 | ||||||||||||||
| Pan g magnitude | 17.24 (0.003) | ||||||||||||||||
| Pan r magnitude | 17.12 (0.003) | ||||||||||||||||
| Pan i magnitude | 17.03 (0.005) | ||||||||||||||||
| Pan z magnitude | 16.74 (0.007) | ||||||||||||||||
| Pan y magnitude | 16.29 (0.008) | ||||||||||||||||
| 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.