All names: Feige 65, CSI+42-12334, HIP 61480, UBV 11315, TYC 3020-1227-1, Gaia DR3 1534536701840624768, CHSS 2321, FBS 1233+426, LAMOST J123551.14+422239.7, GCRV 63400, Renson 31790, PG1233+427, TIC 75586114, Gaia EDR3 1534536701840624768, UBV M 43456, Gaia DR2 1534536701840624768, uvby98 620017177, GSC 03020-01227, [TFW97] J123551.14+422239.82, NPM1+42.0772, [SS59] II 177, uvby98 620004065, FB 101, LAMOST J123551.15+422239.7, BPS BS 17141-0012, GEN# +6.20017177, LAMOST J123551.07+422237.7, SBS 29, WEB 10942, GALEX J123551.0+422237, 2MASS J12355115+4222397, FBS B 308, HIC 61480, PG 1233+427
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 12 35 51.15 (0.03) | 12 35 51.14 | 12 35 51.14 (0.03) | ||
| Declination | 42 22 39.49 (0.03) | 42 22 39.71 | 42 22 39.72 (0.03) | ||
| Spectral type | sdB | sdB2 | |||
| Effective temperature | [K] | 26200.0 (1100) | |||
| log(g) | [cgs] | 5.31 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 3.04 (0.04) | 3.20 (0.05) | 3.04 (0.04) | |
| Distance | [pc] | 329.48 (5) | 312.47 (5) | 329.48 (5) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 4.842 (0.04) | 4.733 (0.06) | 4.842 (0.04) | |
| Proper motion (declination) | [mas/yr] | -14.495 (0.03) | -14.441 (0.07) | -14.495 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 11.78 | ||||
| V magnitude | 12.05 | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 12.60 (0.02) | 12.60 (0.02) | |||
| H magnitude | 12.72 (0.02) | 12.72 (0.02) | |||
| K magnitude | 12.80 (0.03) | 12.80 (0.03) | |||
| u magnitude | 12.12 (0.002) | ||||
| g magnitude | |||||
| r magnitude | 12.35 (0.001) | ||||
| i magnitude | 12.74 (0.002) | ||||
| z magnitude | 13.48 (0.006) | ||||
| G magnitude | 11.97 (0.003) | 11.99 (0.0005) | 11.97 (0.003) | ||
| BP magnitude | 11.84 (0.003) | 11.79 (0.005) | |||
| RP magnitude | 12.25 (0.004) | 12.25 (0.002) | |||
| Pan g magnitude | 11.80 | ||||
| Pan r magnitude | 12.25 | ||||
| Pan i magnitude | 12.60 | ||||
| Pan z magnitude | 12.87 | ||||
| Pan y magnitude | 13.03 (0.003) | ||||
| 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.