All names: KUG 0710+741, Gaia EDR3 1112171030998592256, 2MASS J07170975+7400406, Gaia DR3 1112171030998592256, Mrk 377, WD 0710+74, LP 34-185, WD 0710+741, USNO-B1.0 1640-00057139, GEN# +6.10060448, TIC 441569276, Gaia DR2 1112171030998592256, GALEX J071710.0+740039, GD 448, V* HR Cam, LEDA 20575
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Koester et al. 2014 | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 17 10.20 (0.02) | 07 17 10.18 (0.03) | 07 17 10.20 | 07 17 09.79 (0.02) | 07 17 09.46 | |||||
| Declination | 74 00 39.21 (0.02) | 74 00 39.25 (0.03) | 74 00 39.21 | 74 00 40.54 (0.02) | 74 00 41.76 | |||||
| Spectral type | DA | DA | DA2.6 | DA2.5 | ||||||
| Effective temperature | [K] | 19749.0 (268) | 19690.0 (307) | 17980.0 (160) | ||||||
| log(g) | [cgs] | 7.49 (0.09) | 7.52 (0.05) | 7.29 (0.008) | ||||||
| Mass | [M☉] | 0.39 (0.03) | 0.43 (0.02) | 0.321 (0.003) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| log(C/H) | -5.9 (0.3) | |||||||||
| log(N/H) | ||||||||||
| log(O/H) | ||||||||||
| log(Na/H) | ||||||||||
| log(Mg/H) | ||||||||||
| log(Al/H) | ||||||||||
| log(Si/H) | -6.7 (0.1) | |||||||||
| 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] | 9.87 (0.02) | 9.98 (0.04) | 9.87 | 9.87 (0.02) | |||||
| Distance | [pc] | 101.33 (0.2) | 100.17 (0.4) | 97.00 | 101.33 | 101.33 (0.2) | ||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 106.1280846 (0.02) | 106.1233593 (0.06) | 106.128 (0.02) | ||||||
| Proper motion (declination) | [mas/yr] | -83.13524239 (0.02) | -83.05324188 (0.06) | -83.135 (0.02) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 14.91 | |||||||||
| V magnitude | 14.98 (0.06) | 14.97 | ||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 14.69 (0.03) | |||||||||
| H magnitude | 14.42 (0.06) | |||||||||
| K magnitude | 14.15 (0.07) | |||||||||
| u magnitude | ||||||||||
| g magnitude | ||||||||||
| r magnitude | ||||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 15.00 (0.001) | 15.02 | 15.00 | 15.00 (0.003) | ||||||
| BP magnitude | 14.95 (0.001) | 14.93 | ||||||||
| RP magnitude | 15.09 (0.003) | 15.10 | ||||||||
| Pan g magnitude | 14.90 (0.005) | |||||||||
| Pan r magnitude | 15.19 (0.006) | |||||||||
| Pan i magnitude | 15.45 (0.004) | |||||||||
| Pan z magnitude | 15.57 (0.01) | |||||||||
| Pan y magnitude | 15.58 (0.002) | |||||||||
| E(B-V) | 0.004 | |||||||||
* 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.