All names: TIC 405173130, [HMT98] AS 39-0, WDJ231221.62+104704.26, BPS CS 30338-0112, Balloon 93500004, EQ 2309+10 S, UCAC3 202-318558, KUV 23098+1031, PG 2309+105, 1RXS J231221.6+104657, [TFW97] J231221.55+104704.34, GALEX J231221.6+104703, GEN# +6.10060246, USNO-B1.0 1007-00628312, [RRW93] Pn23s1-13, EGGR 233, J2312+1047, uvby98 610060246, 2RE J2312+104, RE J2312+104, RE J231219+104710, RX J2312.3+1047, EUVE J2312+10.7, SDSS J231221.70+104704.0, 2EUVE J2312+10.7, RBS 1962, RE J2312+10, WD 2309+105, SDSS J231221.69+104703.9, 2RE J231221+104701, KUV 813-3, UBV M 43056, 2MASS J23122162+1047042, Gaia DR3 2810585920868186240, Gaia EDR3 2810585920868186240, FS 31, FB 182, Gaia DR2 2810585920868186240, [ZEH2003] RX J2312.3+1046 2, GSC 01164-01078, [CW83] 2309+10, RX J2312.3+1046, BPM 97895, GD 246
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Kilic et al. 2020 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Koester et al. 2009 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 12 21.77 (0.04) | 23 12 21.76 (0.06) | 23 12 21.77 | 23 12 21.62 (0.04) | 23 12 21.76 | 23 12 21.12 | |||||||
| Declination | 10 47 03.95 (0.03) | 10 47 03.96 (0.04) | 10 47 03.95 | 10 47 04.26 (0.03) | 10 47 03.96 | 10 47 01.32 | |||||||
| Spectral type | DA | DA | DA | DA | DA.9 | DA1 | |||||||
| Effective temperature | [K] | 53608.0 (7767) | 53603.0 (7768) | 56160.0 (975) | 57007.0 (136) | ||||||||
| log(g) | [cgs] | 7.77 (0.06) | 7.76 (0.06) | 7.98 (0.06) | 7.82 (0.007) | ||||||||
| Mass | [M☉] | 0.592 (0.04) | 0.589 (0.04) | 0.7 (0.03) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | ||||||||||||
| 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] | 13.30 (0.05) | 13.10 (0.07) | 13.30 | 13.30 (0.05) | 13.10 (0.07) | |||||||
| Distance | [pc] | 75.17 (0.3) | 76.35 (0.4) | 66.00 | 75.17 | 75.17 (0.3) | 76.35 (0.4) | ||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 139.1902524 (0.05) | 139.3892555 (0.1) | 139.19 (0.05) | 139.3892555 | ||||||||
| Proper motion (declination) | [mas/yr] | -19.45261166 (0.04) | -19.44733043 (0.07) | -19.453 (0.04) | -19.44733043 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 12.77 (0.0009) | ||||||||||||
| V magnitude | 13.00 | 13.09 (0.0009) | |||||||||||
| R magnitude | 13.24 (0.0009) | ||||||||||||
| I magnitude | 13.42 (0.002) | ||||||||||||
| J magnitude | 13.82 (0.03) | ||||||||||||
| H magnitude | 13.96 (0.05) | ||||||||||||
| K magnitude | 14.07 (0.06) | ||||||||||||
| u magnitude | 12.47 (0.003) | 12.34 (0.002) | |||||||||||
| g magnitude | 13.02 (0.001) | 13.11 (0.008) | |||||||||||
| r magnitude | 13.58 (0.008) | 13.28 (0.002) | |||||||||||
| i magnitude | 14.70 (0.01) | 13.67 (0.003) | |||||||||||
| z magnitude | 14.09 (0.004) | 14.01 (0.003) | |||||||||||
| G magnitude | 13.04 (0.002) | 13.06 | 13.04 | 13.04 (0.003) | 13.06 | ||||||||
| BP magnitude | 12.87 (0.002) | 12.81 | 12.81 | ||||||||||
| RP magnitude | 13.38 (0.0008) | 13.38 | 13.38 | ||||||||||
| Pan g magnitude | 12.87 (0.02) | ||||||||||||
| Pan r magnitude | 13.31 (0.01) | ||||||||||||
| Pan i magnitude | 13.73 (0.006) | ||||||||||||
| Pan z magnitude | 14.01 (0.007) | ||||||||||||
| Pan y magnitude | 14.21 (0.005) | ||||||||||||
| E(B-V) | 0.007 | ||||||||||||
* 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.