All names: UCAC4 740-053525, WISE J160241.95+575815.8, SBSS 1601+581, LAMOST J160241.97+575814.9, J1602+5758, Gaia DR2 1622697949337226112, Gaia DR3 1622697949337226112, UPM J1602+5758, WISEA J160241.95+575815.8, [TFW97] J160241.95+575814.30, WD 1601+581, Gaia EDR3 1622697949337226112, 2MASS J16024197+5758155, WDJ160241.98+575815.32, SDSS J160241.97+575815.4, PG 1601+581, TIC 313424882
| 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 | MWDD HE | Gaia DR2 | Stilism | Gianninas et al. 2011 | Liebert et al. 2005 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 02 41.95 (0.02) | 16 02 41.95 (0.03) | 16 02 41.95 (0.03) | 16 02 41.95 | 16 02 41.98 (0.02) | 16 02 41.95 | 16 02 41.54 | ||||||||||
| Declination | 57 58 16.16 (0.02) | 57 58 16.14 (0.03) | 57 58 16.14 (0.03) | 57 58 16.16 | 57 58 15.32 (0.02) | 57 58 16.14 | 57 58 11.28 | ||||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA3.3 | DA5 | |||||||||
| Effective temperature | [K] | 14997.0 (196) | 15563.0 (263) | 15002.0 (198) | 15615.1 (131) | 15029.0 | 16266.0 | 15340.0 (248) | 14670.0 (238) | 15622.0 (114) | |||||||
| log(g) | [cgs] | 7.98 (0.01) | 8.00 (0.02) | 7.97 (0.01) | 8.01 (0.01) | 7.97 | 8.12 | 7.97 (0.05) | 7.84 (0.05) | 8.02 (0.006) | |||||||
| Mass | [M☉] | 0.599 (0.008) | 0.614 (0.01) | 0.594 (0.008) | 0.595 | 0.66 | 0.6 (0.03) | 0.53 (0.02) | 0.623 (0.005) | ||||||||
| log(Luminosity) | [L☉] | -2.06 | |||||||||||||||
| Cooling age | [Gyr] | 0.1865 | 0.1893 | 0.1995 | |||||||||||||
| 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] | 30.90 (0.02) | 30.90 (0.02) | 30.72 (0.03) | 30.72 (0.03) | 30.90 | 30.90 (0.02) | 30.72 (0.03) | |||||||||
| Distance | [pc] | 32.36 (0.02) | 32.36 (0.02) | 32.55 (0.03) | 32.55 (0.03) | 42.00 | 44.00 | 32.36 | 32.36 (0.02) | 32.55 (0.03) | |||||||
| Composition | H | H | H | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -14.20367919 (0.02) | -14.20710965 (0.05) | -14.204 (0.02) | -14.20710965 | ||||||||||||
| Proper motion (declination) | [mas/yr] | 52.69678082 (0.02) | 52.8217461 (0.06) | 52.697 (0.02) | 52.8217461 | ||||||||||||
| Variability | |||||||||||||||||
| Magnetic | |||||||||||||||||
| Bd | [MG] | ||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||
| Binarity | |||||||||||||||||
| B magnitude | 13.98 (0.1) | ||||||||||||||||
| V magnitude | 14.30 | 13.75 (0.02) | |||||||||||||||
| R magnitude | 13.95 (0.2) | ||||||||||||||||
| I magnitude | |||||||||||||||||
| J magnitude | 14.13 (0.03) | ||||||||||||||||
| H magnitude | 14.30 (0.05) | ||||||||||||||||
| K magnitude | 14.22 (0.06) | ||||||||||||||||
| u magnitude | 14.41 (0.004) | 14.41 (0.004) | |||||||||||||||
| g magnitude | 14.51 (0.003) | 14.51 (0.003) | |||||||||||||||
| r magnitude | 14.20 (0.003) | 14.20 (0.003) | |||||||||||||||
| i magnitude | 14.67 (0.004) | 14.67 (0.004) | |||||||||||||||
| z magnitude | 14.52 (0.005) | 14.52 (0.005) | |||||||||||||||
| G magnitude | 13.81 (0.001) | 13.83 | 13.83 | 13.81 | 13.81 (0.003) | 13.83 | |||||||||||
| BP magnitude | 13.77 (0.001) | 13.76 | 13.76 | ||||||||||||||
| RP magnitude | 13.93 (0.001) | 13.94 | 13.94 | ||||||||||||||
| Pan g magnitude | 13.69 (0.003) | ||||||||||||||||
| Pan r magnitude | 13.97 (0.003) | ||||||||||||||||
| Pan i magnitude | 14.26 (0.003) | ||||||||||||||||
| Pan z magnitude | 14.49 (0.004) | ||||||||||||||||
| Pan y magnitude | 14.64 (0.004) | ||||||||||||||||
| E(B-V) | 0.003 | ||||||||||||||||
* 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.