All names: ZTF J121448.52+363849.2, SBC7 457, [SS59] II 107, HZ22, FBS B 523, uvby98 620017107, CSI+36-12123, TIC 39174351, GALEX J121448.7+363849, WD 1212+369, [TFW97] J121448.52+363849.43, CBS 160, ATO J183.7022+36.6471, GSC 02529-00746, Gaia EDR3 4030308460578827264, [M60b]+37 33, uvby98 620004022, Gaia DR3 4030308460578827264, PG 1212+369, FBS 1212+369, WEB 10610, CHSS 2211, FB 89, SDSS J121448.52+363849.2, V* UX CVn, 2MASS J12144853+3638493, GEN# +6.20017107, HZ 22, Balloon 113233005, SBC9 714, Gaia DR2 4030308460578827264
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 12 14 48.52 (0.03) | 12 14 48.53 | 12 14 48.52 (0.05) | 12 14 48.52 (0.03) | 12 14 47.81 | ||
| Declination | 36 38 49.12 (0.03) | 36 38 51.00 | 36 38 49.13 (0.04) | 36 38 49.34 (0.03) | 36 38 43.80 | ||
| Spectral type | sdB | sdB | __1.8 | ||||
| Effective temperature | [K] | ||||||
| log(g) | [cgs] | ||||||
| Mass | [M☉] | ||||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 0.29 (0.04) | 0.31 (0.06) | 0.31 (0.06) | 0.29 (0.04) | ||
| Distance | [pc] | 3493.39 (482) | 3182.69 (603) | 3182.69 (603) | 3492.84 (482) | ||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -0.536647714 (0.03) | -0.192 (0.1) | -0.192 (0.1) | -0.537 (0.03) | ||
| Proper motion (declination) | [mas/yr] | -13.61731098 (0.04) | -13.644 (0.08) | -13.644 (0.08) | -13.617 (0.04) | ||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | yes | ||||||
| B magnitude | 12.90 | ||||||
| V magnitude | 13.18 (0.05) | ||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | 13.83 (0.03) | 13.83 (0.03) | |||||
| H magnitude | 13.95 (0.03) | 13.95 (0.03) | |||||
| K magnitude | 14.01 (0.06) | 14.01 (0.06) | |||||
| u magnitude | 12.80 (0.003) | ||||||
| g magnitude | 13.16 (0.004) | 12.93 | |||||
| r magnitude | 13.31 (0.006) | 13.38 | |||||
| i magnitude | 13.89 (0.004) | ||||||
| z magnitude | 14.22 (0.005) | ||||||
| G magnitude | 13.11 (0.008) | 13.12 (0.004) | 13.12 | 13.11 (0.004) | |||
| BP magnitude | 12.96 (0.008) | 12.89 (0.01) | 12.89 | ||||
| RP magnitude | 13.38 (0.008) | 13.37 (0.01) | 13.37 | ||||
| Pan g magnitude | 12.95 | ||||||
| Pan r magnitude | 13.42 | ||||||
| Pan i magnitude | 13.77 (0.005) | ||||||
| Pan z magnitude | 13.96 (0.01) | ||||||
| Pan y magnitude | 14.17 (0.007) | ||||||
| E(B-V) | 0.018 | ||||||
* 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.