All names: PM J09159+5325, WISEA J091554.79+532512.0, J0915+5325, 09159+5325, SDSS J091555.99+532522.8, G195-19, UBV M 53831, PG 0912+536, G049-033, USNO 431, G 195-19, uvby98 980195019, USNO-B1.0 1434-00202946, LSPM J0915+5325, 2MASS J09155623+5325249, Gaia DR2 1022780838737369216, CSI+53-09125, WD 0912+536, GJ 339.1, CNS5 2300, NLTT 21302, GEN# +9.80195019, WDJ091556.08+532523.86, SDSS J091555.98+532522.8, SBSS 0912+536, PM 09125+5339, SDSS J091555.97+532523.0, PSO J138.9764+53.4188, Gaia DR3 1022780838739029120, PLX 2199.02, WD 0912+53, LHS 262, Gaia EDR3 1022780838739029120, EGGR 250, TIC 251080865
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | Blouin et al. 2019 | Gaia DR2 | Stilism | Holberg et al. 2016 | Ferrario et al. 2015 | Limoges et al. 2015 | Sion et al. 2014 | Giammichele et al. 2012 | Holberg et al. 2008 | Bergeron et al. 2001 | Bergeron et al. 1997 | Koester et al. 1982a | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 15 54.13 (0.02) | 09 15 54.19 (0.04) | 09 15 54.19 (0.04) | 09 15 55.92 | 09 15 54.13 | 09 15 56.08 (0.02) | 09 15 54.19 | 09 16 00.58 | ||||||||||||||
| Declination | 53 25 05.92 (0.01) | 53 25 06.48 (0.04) | 53 25 06.48 (0.04) | 53 25 22.80 | 53 25 05.92 | 53 25 23.86 (0.01) | 53 25 06.48 | 53 26 04.92 | ||||||||||||||
| Spectral type | DCP | DCP | DCP | DCP | DCP | DB | DCP | DCP7 | DCP | DCP | DC | DC | DC: | DCP7 | DCP7 | |||||||
| Effective temperature | [K] | 7155.0 (59) | 6837.0 (8) | 7126.0 (59) | 7170.0 (155) | 7236.0 (195) | 7160.0 (190) | 7370.0 (120) | 7235.0 | 7235.0 (195) | 7160.0 (190) | 7190.0 (190) | 6600.0 (500) | 6682.0 (25) | ||||||||
| log(g) | [cgs] | 8.22 (0.02) | 8.09 (0.002) | 8.20 (0.02) | 8.27 (0.05) | 8.20 (0.03) | 8.42 (0.03) | 8.28 (0.03) | 8.28 (0.03) | 8.30 (0.02) | 8.11 (0.006) | |||||||||||
| Mass | [M☉] | 0.712 (0.01) | 0.629 (0.002) | 0.744 (0.04) | 0.75 (0.02) | 0.75 (0.02) | 0.85 (0.02) | 0.75 (0.02) | 0.75 (0.02) | 0.76 (0.02) | 0.48 (0.1) | 0.639 (0.005) | ||||||||||
| log(Luminosity) | [L☉] | -3.63 | -3.57 | -3.59 (0.02) | -3.59 (0.01) | |||||||||||||||||
| Cooling age | [Gyr] | 1.9400 | 2.4830 (0.2) | 2.4500 | 2.4500 | 2.5400 (0.2) | 3.1100 (0.2) | |||||||||||||||
| log(H/He) | -3.4 | |||||||||||||||||||||
| log(C/He) | -7 | |||||||||||||||||||||
| log(Ca/He) | ||||||||||||||||||||||
| log(Ca/H) | ||||||||||||||||||||||
| log(N/He) | ||||||||||||||||||||||
| log(O/He) | ||||||||||||||||||||||
| log(Na/He) | ||||||||||||||||||||||
| log(Mg/He) | ||||||||||||||||||||||
| log(Al/He) | ||||||||||||||||||||||
| log(Si/He) | ||||||||||||||||||||||
| log(P/He) | ||||||||||||||||||||||
| log(S/He) | ||||||||||||||||||||||
| log(Cl/He) | ||||||||||||||||||||||
| log(Sc/He) | ||||||||||||||||||||||
| log(Ti/He) | ||||||||||||||||||||||
| log(V/He) | ||||||||||||||||||||||
| log(Cr/He) | ||||||||||||||||||||||
| log(Mn/He) | ||||||||||||||||||||||
| log(Fe/He) | ||||||||||||||||||||||
| log(Co/He) | ||||||||||||||||||||||
| log(Ni/He) | ||||||||||||||||||||||
| log(Cu/He) | ||||||||||||||||||||||
| log(Zn/He) | ||||||||||||||||||||||
| log(Ga/He) | ||||||||||||||||||||||
| log(Ge/He) | ||||||||||||||||||||||
| log(Sr/He) | ||||||||||||||||||||||
| Parallax | [mas] | 97.34 (0.02) | 97.34 (0.02) | 97.29 (0.04) | 97.29 (0.04) | 97.29 (0.04) | 97.29 (0.04) | 97.30 (2) | 97.00 (2) | 97.30 (2) | 97.00 (2) | 97.30 (2) | 97.00 (2) | 0.10 | 97.34 | 97.34 (0.02) | 97.29 (0.04) | 96.00 (2) | ||||
| Distance | [pc] | 10.27 (0.002) | 10.27 (0.002) | 10.28 (0.004) | 10.28 (0.004) | 10.28 (0.004) | 10.28 (0.004) | 10.28 (0.2) | 10.30 (0.8) | 10.30 | 10.30 (0.2) | 10.31 | 10.28 (0.2) | 10.31 (0.2) | 10101.01 | 10.27 | 10.27 (0.002) | 10.28 (0.004) | 10.42 (0.2) | |||
| Composition | He | He | He | He | He | He | He | He | He | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -1086.388425 (0.02) | -1086.454675 (0.1) | -1086.388 (0.02) | -1086.454675 | |||||||||||||||||
| Proper motion (declination) | [mas/yr] | -1121.281185 (0.02) | -1121.309045 (0.07) | -1121.281 (0.02) | -1121.309045 | |||||||||||||||||
| Variability | ||||||||||||||||||||||
| Magnetic | yes | yes | yes | yes | yes | yes | ||||||||||||||||
| Bd | [MG] | 100 | 100 | |||||||||||||||||||
| Infrared excess (disk) | ||||||||||||||||||||||
| Binarity | ||||||||||||||||||||||
| B magnitude | 14.19 | 14.19 | 14.19 | 14.09 | ||||||||||||||||||
| V magnitude | 13.88 | 13.84 | 13.84 | 13.84 | ||||||||||||||||||
| R magnitude | 13.64 | 13.64 | 13.62 | 14.10 | ||||||||||||||||||
| I magnitude | 13.51 | 13.51 | 13.49 | |||||||||||||||||||
| J magnitude | 13.22 (0.03) | 13.31 (0.03) | 13.22 | 13.22 | 13.22 | 13.31 (0.03) | ||||||||||||||||
| H magnitude | 13.15 (0.03) | 13.21 (0.03) | 13.15 | 13.15 | 13.15 | 13.21 (0.03) | ||||||||||||||||
| K magnitude | 13.09 (0.03) | 13.13 (0.03) | 13.09 | 13.09 | 13.09 | 13.13 (0.03) | ||||||||||||||||
| u magnitude | 14.45 (0.003) | 14.71 (0.004) | 14.70 (0.004) | 14.49 | ||||||||||||||||||
| g magnitude | 13.94 (0.0003) | 14.21 (0.004) | 13.99 | |||||||||||||||||||
| r magnitude | 13.99 (0.007) | 15.01 (0.01) | 14.08 | |||||||||||||||||||
| i magnitude | 13.87 (0.002) | 14.06 (0.004) | 13.84 | |||||||||||||||||||
| z magnitude | 13.92 (0.007) | 14.17 (0.005) | 13.98 | |||||||||||||||||||
| G magnitude | 13.78 (0.002) | 13.79 | 13.79 | 13.78 | 13.78 (0.003) | 13.79 | ||||||||||||||||
| BP magnitude | 13.93 (0.002) | 13.92 | 13.92 | |||||||||||||||||||
| RP magnitude | 13.51 (0.003) | 13.52 | 13.52 | |||||||||||||||||||
| Pan g magnitude | 13.94 (0.0003) | 13.94 (0.0003) | 13.94 (0) | |||||||||||||||||||
| Pan r magnitude | 13.86 (0.1) | 13.86 (0.1) | 13.86 (0.1) | |||||||||||||||||||
| Pan i magnitude | 13.87 (0.002) | 13.87 (0.002) | 13.87 (0.002) | |||||||||||||||||||
| Pan z magnitude | 13.92 (0.007) | 13.92 (0.007) | 13.92 (0.007) | |||||||||||||||||||
| Pan y magnitude | 14.00 (0.002) | 14.00 (0.002) | 14.00 (0.002) | |||||||||||||||||||
| 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.