All names: SDSS J172206.85+360229.6, Gaia DR2 1336712848945895680, J1722+3602, WDJ172206.82+360229.55, FBS B 598, WISEA J172206.88+360229.7, WISE J172206.89+360229.6, FBS 1720+361, UCAC4 631-055861, WD 1720+360, TIC 101769451, 2MASS J17220680+3602295, Gaia EDR3 1336712848946493952, Gaia DR3 1336712848946493952, PG 1720+361, GALEX J172206.9+360229, SDSS J172206.84+360229.6
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 22 06.92 (0.03) | 17 22 06.92 (0.03) | 17 22 06.92 | 17 22 06.82 (0.03) | 17 22 06.92 | 17 22 00.86 | |||||||
| Declination | 36 02 29.76 (0.03) | 36 02 29.76 (0.03) | 36 02 29.76 | 36 02 29.55 (0.03) | 36 02 29.76 | 36 01 10.92 | |||||||
| Spectral type | DA | DA | DA | DA3.5 | DA4 | ||||||||
| Effective temperature | [K] | 11945.0 (55) | 12712.0 | 13507.0 | 14270.0 (304) | 13485.0 (97) | |||||||
| log(g) | [cgs] | 7.93 (0.005) | 7.99 | 8.04 | 7.95 (0.05) | 8.04 (0.006) | |||||||
| Mass | [M☉] | 0.569 (0.004) | 0.6 | 0.61 | 0.58 (0.03) | 0.632 (0.005) | |||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.3145 | 0.2910 | ||||||||||
| 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] | 18.31 (0.03) | 18.30 (0.04) | 18.31 | 18.31 (0.03) | 18.30 (0.04) | |||||||
| Distance | [pc] | 54.62 (0.09) | 54.66 (0.1) | 64.00 | 54.62 | 54.62 (0.09) | 54.66 (0.1) | ||||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 78.59249874 (0.03) | 78.64603784 (0.06) | 78.592 (0.03) | 78.64603784 | ||||||||
| Proper motion (declination) | [mas/yr] | 13.36545885 (0.04) | 13.37842198 (0.07) | 13.365 (0.04) | 13.37842198 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 15.32 (0.01) | ||||||||||||
| V magnitude | 15.28 (0.06) | ||||||||||||
| R magnitude | 15.16 (0.2) | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 15.41 (0.05) | ||||||||||||
| H magnitude | 15.52 (0.1) | ||||||||||||
| K magnitude | 15.68 (0.2) | ||||||||||||
| u magnitude | 15.66 (0.005) | 15.66 (0.005) | |||||||||||
| g magnitude | 15.20 (0.004) | 15.20 (0.004) | |||||||||||
| r magnitude | 15.42 (0.004) | 15.42 (0.004) | |||||||||||
| i magnitude | 15.63 (0.004) | 15.63 (0.004) | |||||||||||
| z magnitude | 15.86 (0.006) | 15.86 (0.006) | |||||||||||
| G magnitude | 15.28 (0.002) | 15.29 | 15.28 | 15.28 (0.003) | 15.29 | ||||||||
| BP magnitude | 15.26 (0.002) | 15.26 | 15.26 | ||||||||||
| RP magnitude | 15.32 (0.002) | 15.33 | 15.33 | ||||||||||
| Pan g magnitude | 15.18 (0.002) | ||||||||||||
| Pan r magnitude | 15.40 (0.002) | ||||||||||||
| Pan i magnitude | 15.62 (0.001) | ||||||||||||
| Pan z magnitude | 15.85 (0.005) | ||||||||||||
| Pan y magnitude | 16.00 (0.008) | ||||||||||||
| E(B-V) | 0.006 | ||||||||||||
* 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.