All names: UCAC4 177-222869, RE J232430-544112, WISEA J232430.86-544135.4, WISE J232430.87-544135.2, Gaia DR3 6499376994593401344, 2RE J2324-544, GALEX J232430.8-544134, Gaia DR2 6499376994593401344, Gaia EDR3 6499376994593401344, 2EUVE J2324-54.7, 1RXS J232431.0-544148, RE J2324-54, TIC 381923120, 2RE J232429-544102, 2MASS J23243083-5441352, RBS 1999, RE J2324-544, EC 23216-5458, RX J2324.5-5441, EUVE J2324-54.7, UCAC2 8174373, GSC 08832-00286, EUVE J2324-54.6, WD 2321-549
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Koester et al. 2009 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 24 30.89 (0.02) | 23 24 30.89 (0.03) | 23 24 30.89 | 23 24 30.86 (0.02) | 23 24 30.98 | ||||
| Declination | -54 41 35.36 (0.03) | -54 41 35.36 (0.04) | -54 41 35.36 | -54 41 35.51 (0.03) | -54 41 36.24 | ||||
| Spectral type | DA | DA | DA1.1 | DA | |||||
| Effective temperature | [K] | 45920.0 (795) | 43583.0 (94) | 41142.0 (1196) | |||||
| log(g) | [cgs] | 7.82 (0.06) | 7.78 (0.008) | 7.90 (0.02) | |||||
| Mass | [M☉] | 0.6 (0.03) | 0.621 (0.01) | ||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| log(Li/H) | |||||||||
| log(Be/H) | |||||||||
| log(B/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(Cl/H) | |||||||||
| log(K/H) | |||||||||
| log(Sc/H) | |||||||||
| log(Ti/H) | |||||||||
| log(V/H) | |||||||||
| log(Cr/H) | |||||||||
| log(Mn/H) | |||||||||
| log(Fe/H) | |||||||||
| log(Co/H) | |||||||||
| log(Ni/H) | |||||||||
| log(Cu/H) | |||||||||
| log(Sr/H) | |||||||||
| Parallax | [mas] | 6.62 (0.04) | 6.57 (0.05) | 6.62 | 6.62 (0.04) | ||||
| Distance | [pc] | 151.10 (0.8) | 152.25 (1) | 175.00 | 151.10 | 151.10 (0.8) | |||
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | 14.78218068 (0.03) | 14.85981381 (0.06) | 14.782 (0.03) | |||||
| Proper motion (declination) | [mas/yr] | 9.394169711 (0.03) | 9.377926383 (0.07) | 9.394 (0.03) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 14.91 (0.02) | ||||||||
| V magnitude | 15.20 | 15.13 (0.03) | |||||||
| R magnitude | 15.72 (0.1) | ||||||||
| I magnitude | |||||||||
| J magnitude | 15.96 (0.09) | ||||||||
| H magnitude | 15.98 (0.2) | ||||||||
| K magnitude | |||||||||
| u magnitude | |||||||||
| g magnitude | 14.90 (0.06) | ||||||||
| r magnitude | 15.42 (0.06) | ||||||||
| i magnitude | 15.81 (0.05) | ||||||||
| z magnitude | |||||||||
| G magnitude | 15.12 (0.001) | 15.13 | 15.12 | 15.12 (0.003) | |||||
| BP magnitude | 14.95 (0.001) | 14.88 | |||||||
| RP magnitude | 15.44 (0.002) | 15.44 | |||||||
| Pan g magnitude | |||||||||
| Pan r magnitude | |||||||||
| Pan i magnitude | |||||||||
| Pan z magnitude | |||||||||
| Pan y magnitude | |||||||||
| 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.