All names: WD 1120+073, NLTT 27232, PM J11235+0701, WDS J11235+0701B, USNO-B1.0 0970-00236857, Gaia DR2 3817534337626005632, PSO J170.8810+07.0222, 11235+0701, SDSS J112331.31+070121.0, Gaia EDR3 3817534337626005632, ** LDS 4091B, SDSS J112331.30+070121.0, LSPM J1123+0701E, LP 552-49, TIC 291065625, 2MASS J11233127+0701213
| Parameter | Unit | Gaia EDR3 | Blouin et al. 2019 | Tremblay et al. 2017 | Stilism | Limoges et al. 2015 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 23 31.46 (1) | 11 23 31.27 (131) | 11 23 29.14 | |||||
| Declination | 07 01 19.90 (1) | 07 01 21.62 (274) | 07 01 31.44 | |||||
| Spectral type | DC | DC | DC | DC | DC | |||
| Effective temperature | [K] | 4370.0 (30) | 4460.0 (110) | 4460.0 (106) | ||||
| log(g) | [cgs] | 7.35 (0.06) | 8.00 (0) | |||||
| Mass | [M☉] | 0.264 (0.02) | 0.58 (0.1) | |||||
| log(Luminosity) | [L☉] | -4.25 | ||||||
| Cooling age | [Gyr] | 2.8300 (0.2) | ||||||
| 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] | 31.23 (0.8) | 31.12 (2) | |||||
| Distance | [pc] | 32.02 (0.8) | 32.13 (2) | 24.90 (4) | ||||
| Composition | H | H | ||||||
| Proper motion (right ascension) | [mas/yr] | 190.0 (29) | ||||||
| Proper motion (declination) | [mas/yr] | -56.0 (61) | ||||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | yes | |||||||
| B magnitude | 18.50 | |||||||
| V magnitude | 17.49 (0.05) | |||||||
| R magnitude | 17.40 | |||||||
| I magnitude | ||||||||
| J magnitude | 15.96 (0.09) | 15.96 (0.09) | ||||||
| H magnitude | 15.55 (0.1) | 15.55 (0.1) | ||||||
| K magnitude | ||||||||
| u magnitude | ||||||||
| g magnitude | 18.07 (0.009) | |||||||
| r magnitude | 17.24 (0.006) | |||||||
| i magnitude | 16.86 (0.007) | |||||||
| z magnitude | 16.74 (0.003) | |||||||
| G magnitude | 17.51 (0.01) | 17.16 (0.003) | 17.38 (0.007) | |||||
| BP magnitude | 17.91 (0.01) | |||||||
| RP magnitude | 16.52 (0.007) | |||||||
| Pan g magnitude | 18.07 (0.009) | |||||||
| Pan r magnitude | 17.24 (0.006) | |||||||
| Pan i magnitude | 16.86 (0.007) | |||||||
| Pan z magnitude | 16.74 (0.003) | |||||||
| Pan y magnitude | 16.62 (0.008) | |||||||
| E(B-V) | 0.001 | |||||||
* 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.