All names: Gaia EDR3 828120310859359104, TIC 367585576, GALEX J095519.6+513659, GEN# +6.10060300, 2MASS J09551945+5136590, TYC 3439-884-1, UCAC4 709-049232, TIC 471011635, HIDDEN NAME PG 0952+518, Gaia DR2 828120310859359104, GD 300, UBV M 43059, GD300, [TFW97] J095519.52+513659.61, HIC 48655, HIP 48655, SBSS 0952+518, PG 0952+519, FB 60, Gaia DR3 828120310859359104, LAMOST J095519.46+513659.0
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 09 55 19.34 (0.03) | 09 55 19.47 | 09 55 19.47 (0.03) | ||
| Declination | 51 36 57.46 (0.03) | 51 36 59.03 | 51 36 59.01 (0.03) | ||
| Spectral type | He-sdO | sdO | |||
| Effective temperature | [K] | 52585.0 (252) | |||
| log(g) | [cgs] | 6.12 (0.01) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.70 (0.05) | 1.62 (0.06) | 1.70 (0.05) | |
| Distance | [pc] | 586.79 (16) | 615.76 (24) | 586.79 (16) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -74.961 (0.04) | -75.289 (0.09) | -74.961 (0.04) | |
| Proper motion (declination) | [mas/yr] | -97.442 (0.04) | -97.503 (0.1) | -97.442 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 12.34 (0.002) | ||||
| V magnitude | 12.66 (0.002) | ||||
| R magnitude | 12.80 (0.002) | ||||
| I magnitude | 12.98 (0.002) | ||||
| J magnitude | 13.35 (0.03) | 13.35 (0.03) | |||
| H magnitude | 13.50 (0.04) | 13.50 (0.04) | |||
| K magnitude | 13.60 (0.03) | 13.60 (0.03) | |||
| u magnitude | 24.64 (33) | ||||
| g magnitude | 18.64 (0.03) | 12.42 (0.1) | |||
| r magnitude | 24.80 (5) | 12.90 (0.1) | |||
| i magnitude | 24.36 (5) | 13.26 (0.1) | |||
| z magnitude | 17.54 (0.02) | ||||
| G magnitude | 12.58 (0.003) | 12.61 (0.0007) | 12.58 (0.003) | ||
| BP magnitude | 12.42 (0.003) | 12.36 (0.008) | |||
| RP magnitude | 12.92 (0.004) | 12.92 (0.004) | |||
| Pan g magnitude | 12.54 (0.001) | ||||
| Pan r magnitude | 12.89 (0) | ||||
| Pan i magnitude | 13.27 (0.01) | ||||
| Pan z magnitude | 13.58 (0.007) | ||||
| Pan y magnitude | 13.76 (0.003) | ||||
| E(B-V) | 0.021 | ||||
* 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.