All names: Gaia DR2 5588614164276695424, vB 3, WD 0743-340, 2MASS J07453844-3355528, CSI-33-07439, LHS 237a, Gaia DR3 5588614164276695424, VB03, vB03, ** RAG 6B, CNS5 1914, TIC 149744486, Gaia EDR3 5588614164276695424, GJ 288 B, WDJ074538.43-335551.34, VB 3, HD 63077B, USNO-B1.0 0560-00118956, WD 0743-336, GEN# +1.00063077B, WISEA J074538.19-335533.4, VB 03, NLTT 18414
| Parameter | Unit | Gaia EDR3 | O'Brien et al. 2024 | Gaia DR2 | Tremblay et al. 2017 | Stilism | Holberg et al. 2016 | Sion et al. 2014 | Giammichele et al. 2012 | Holberg et al. 2008 | Bergeron et al. 2001 | Bergeron et al. 1997 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 45 38.07 (0.03) | 07 45 38.08 (0.03) | 07 45 38.40 | 07 45 38.07 | 07 45 38.43 (0.03) | 07 45 38.08 | 07 45 39.65 | |||||||||
| Declination | -33 55 24.45 (0.03) | -33 55 25.29 (0.04) | -33 55 51.60 | -33 55 24.45 | -33 55 51.34 (0.03) | -33 55 25.29 | -33 49 16.32 | |||||||||
| Spectral type | DC | DC | DC | DC10.6 | DC | DC | DC | DC: | DC10 | DC9 | ||||||
| Effective temperature | [K] | 4293.0 (24) | 4460.0 (100) | 4462.0 (85) | 4462.0 | 4462.0 (85) | 4740.0 (50) | 4760.0 (50) | 4405.0 (15) | |||||||
| log(g) | [cgs] | 7.80 (0.01) | 7.96 (0.01) | 7.96 (0.01) | 7.97 (0.09) | 7.99 (0.08) | 7.88 (0.008) | |||||||||
| Mass | [M☉] | 0.461 (0.001) | 0.56 (0.01) | 0.55 (0.01) | 0.55 (0.05) | 0.56 (0.05) | 0.507 (0.007) | |||||||||
| log(Luminosity) | [L☉] | -4.23 | -4.14 (0.04) | -4.14 (0.04) | ||||||||||||
| Cooling age | [Gyr] | 7.3400 | 7.3200 | 6.3600 (1) | 6.5300 (1) | |||||||||||
| 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] | 64.82 (0.04) | 64.82 (0.04) | 64.78 (0.04) | 65.75 (0.5) | 65.74 (0.5) | 65.79 (0.6) | 65.79 (0.4) | 57.50 (3) | 57.50 (3) | 64.82 | 64.82 (0.04) | 64.78 (0.04) | 575.00 (3) | ||
| Distance | [pc] | 15.43 (0.008) | 15.43 (0.01) | 15.44 (0.01) | 15.21 (0.1) | 15.21 (0.1) | 15.19 | 15.20 (0.1) | 15.20 | 17.39 (0.9) | 17.39 (0.9) | 15.43 | 15.43 (0.008) | 15.44 (0.01) | 1.74 (0.009) | |
| Composition | H | H | He | He | He | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -276.1131327 (0.03) | -276.1777827 (0.07) | -276.113 (0.04) | -276.1777827 | |||||||||||
| Proper motion (declination) | [mas/yr] | 1680.502025 (0.04) | 1680.402062 (0.08) | 1680.502 (0.04) | 1680.402062 | |||||||||||
| Variability | ||||||||||||||||
| Magnetic | ||||||||||||||||
| Bd | [MG] | |||||||||||||||
| Infrared excess (disk) | ||||||||||||||||
| Binarity | WDMS | WDMS | ||||||||||||||
| B magnitude | 17.81 | 17.81 | 17.81 | 17.40 | ||||||||||||
| V magnitude | 16.59 (0.05) | 16.59 | 16.60 | 16.60 | 16.60 | 16.70 | ||||||||||
| R magnitude | 15.96 | 15.96 | 15.96 | 16.21 | ||||||||||||
| I magnitude | 15.39 | 15.39 | 15.39 | 15.23 (0.04) | ||||||||||||
| J magnitude | 14.78 | 14.85 | 14.85 | 14.78 (0.04) | ||||||||||||
| H magnitude | 14.55 | 14.71 | 14.71 | 14.55 (0.06) | ||||||||||||
| K magnitude | 14.40 | 14.55 | 14.55 | 14.40 (0.09) | ||||||||||||
| u magnitude | ||||||||||||||||
| g magnitude | ||||||||||||||||
| r magnitude | ||||||||||||||||
| i magnitude | ||||||||||||||||
| z magnitude | ||||||||||||||||
| G magnitude | 16.26 (0.003) | 16.27 | 16.26 | 16.26 (0.003) | 16.27 | |||||||||||
| BP magnitude | 16.89 (0.003) | 16.91 | 16.91 | |||||||||||||
| RP magnitude | 15.50 (0.002) | 15.51 | 15.51 | |||||||||||||
| Pan g magnitude | ||||||||||||||||
| Pan r magnitude | ||||||||||||||||
| Pan i magnitude | ||||||||||||||||
| Pan z magnitude | ||||||||||||||||
| Pan y magnitude | ||||||||||||||||
| 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.