All names: UCAC4 513-039747, CSI+12-07154, LTT 17958, 2MASS J07180867+1229596, Gaia DR2 3166062806131275136, G89-10, EGGR 171, Gaia DR3 3166062806131275136, WDJ071808.65+122958.80, Gaia EDR3 3166062806131275136, GCRV 58577, WD 0715+12, J0718+1229, UCAC2 36100161, 07181+1229, PM J07181+1229, WD 0715+125, G 89-10, TIC 440847438, G 110-49, USNO-B1.0 1024-00159749, NLTT 17662, LSPM J0718+1229
| Parameter | Unit | Gaia EDR3 | Caron et al. 2023 | Gaia DR2 | 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 | 07 18 08.39 (0.05) | 07 18 08.40 (0.06) | 07 18 08.39 | 07 18 08.67 (90) | 07 18 08.40 | 07 18 09.79 | |||||
| Declination | 12 29 55.83 (0.04) | 12 29 55.92 (0.06) | 12 29 55.83 | 12 29 59.62 (80) | 12 29 55.92 | 12 30 00.72 | |||||
| Spectral type | DA | DA | DA | DA: | DA+DA | DAS | |||||
| Effective temperature | [K] | 7350.0 (63) | 7130.0 (111) | 7200.0 (115) | 7275.0 (84) | ||||||
| log(g) | [cgs] | 7.91 (0.01) | 7.98 (0.1) | 8.12 (0.1) | 7.88 (0.02) | ||||||
| Mass | [M☉] | 0.538 (0.01) | 0.58 (0.06) | 0.66 (0.07) | 0.521 (0.02) | ||||||
| log(Luminosity) | [L☉] | -3.41 | |||||||||
| Cooling age | [Gyr] | 1.2100 | |||||||||
| 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] | 24.02 (0.05) | 23.95 (0.09) | 23.95 (0.09) | 24.02 | 23.95 (0.09) | |||||
| Distance | [pc] | 41.64 (0.09) | 41.75 (0.2) | 41.76 (0.1) | 33.00 (1) | 34.00 | 41.64 | 41.76 (0.1) | |||
| Composition | H | H | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | -237.9834015 (0.05) | -238.0564017 (0.1) | -226.0 | -238.0564017 | ||||||
| Proper motion (declination) | [mas/yr] | -185.3243329 (0.05) | -185.4994263 (0.1) | -200.0 | -185.4994263 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 16.48 (0.08) | ||||||||||
| V magnitude | 16.16 (0.1) | ||||||||||
| R magnitude | 15.60 | ||||||||||
| I magnitude | |||||||||||
| J magnitude | 15.63 (0.01) | 15.44 (0.06) | |||||||||
| H magnitude | 15.22 (0.1) | 15.22 (0.1) | |||||||||
| K magnitude | 15.07 (0.1) | 15.07 (0.1) | |||||||||
| u magnitude | |||||||||||
| g magnitude | 16.27 (0.02) | ||||||||||
| r magnitude | 16.05 (0.05) | ||||||||||
| i magnitude | 15.89 (0.01) | ||||||||||
| z magnitude | |||||||||||
| G magnitude | 16.28 (0.02) | 16.30 | 16.28 | 16.30 | |||||||
| BP magnitude | 16.31 (0.02) | 16.28 | 16.28 | ||||||||
| RP magnitude | 15.83 (0.02) | 15.83 | 15.83 | ||||||||
| Pan g magnitude | 16.35 (0.01) | ||||||||||
| Pan r magnitude | 16.26 (0.002) | ||||||||||
| Pan i magnitude | 16.23 (0.009) | ||||||||||
| Pan z magnitude | 16.41 (0.02) | ||||||||||
| Pan y magnitude | 16.33 (0.01) | ||||||||||
| E(B-V) | 0.000 | ||||||||||
* 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.