All names: Gaia EDR3 2769930207121379968, EGGR 405, USNO-B1.0 1031-00727788, NLTT 58107, G30-20, LTT 17020, Gaia DR2 2769930207121379968, WD2347+128, G 30-20, WD 2347+128, WD 2347+12, 2347+128, 2MASS J23495344+1306127, WDJ234953.46+130612.92, GALEX J234953.5+130614, Gaia DR3 2769930207121379968, TIC 302046553, LSPM J2349+1306S, ** LDS 5128A, WDS J23499+1306A, V* V409 Peg
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Leggett et al. 2018 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | Koester et al. 2009 | Mukadam et al. 2002 | Koester et al. 2001 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Research Corporation | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 49 53.78 (0.03) | 23 49 53.77 (0.04) | 23 49 53.50 | 23 49 53.78 | 23 49 53.46 (0.03) | 23 49 53.77 | 23 49 52.99 | |||||||||
| Declination | 13 06 13.61 (0.03) | 13 06 13.59 (0.03) | 13 06 13.00 | 13 06 13.61 | 13 06 12.92 (0.03) | 13 06 13.59 | 13 06 10.80 | |||||||||
| Spectral type | DA4.6 | DA | DA | DA | DA | DA4.4 | DAV | DA5 | ||||||||
| Effective temperature | [K] | 11002.0 (299) | 10727.0 | 11470.0 (171) | 10874.0 (19) | 11150.0 | 11080.0 (96) | 10537.0 (74) | 11070.0 | |||||||
| log(g) | [cgs] | 8.03 (0.03) | 7.90 | 8.14 (0.05) | 8.00 (0.01) | 8.01 | 8.12 (0.05) | 7.88 (0.01) | 7.95 | |||||||
| Mass | [M☉] | 0.622 (0.03) | 0.546 | 0.69 (0.03) | 0.68 | 0.536 (0.008) | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||||||
| Cooling age | [Gyr] | 0.4900 (0.04) | 0.4438 | |||||||||||||
| 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] | 14.18 (0.04) | 14.93 (0.3) | 14.13 (0.06) | 14.18 | 14.18 (0.04) | 14.13 (0.06) | |||||||||
| Distance | [pc] | 70.52 (0.2) | 66.98 (1) | 70.75 (0.3) | 61.00 | 70.52 | 70.52 (0.2) | 70.75 (0.3) | ||||||||
| Composition | H | H | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | 286.6770004 (0.04) | 286.676491 (0.1) | 286.677 (0.04) | 286.676491 | |||||||||||
| Proper motion (declination) | [mas/yr] | 43.12459688 (0.03) | 43.10223905 (0.06) | 43.125 (0.03) | 43.10223905 | |||||||||||
| Variability | VAR | VAR | VAR | |||||||||||||
| Magnetic | ||||||||||||||||
| Bd | [MG] | |||||||||||||||
| Infrared excess (disk) | ||||||||||||||||
| Binarity | ||||||||||||||||
| B magnitude | 15.90 | |||||||||||||||
| V magnitude | 16.05 | 16.10 | 16.05 | 15.90 | ||||||||||||
| R magnitude | 16.30 | |||||||||||||||
| I magnitude | ||||||||||||||||
| J magnitude | 16.29 (0.09) | |||||||||||||||
| H magnitude | 16.02 (0.1) | |||||||||||||||
| K magnitude | ||||||||||||||||
| u magnitude | 16.47 (0.007) | |||||||||||||||
| g magnitude | 16.03 (0.005) | |||||||||||||||
| r magnitude | 16.14 (0.005) | |||||||||||||||
| i magnitude | 16.32 (0.005) | |||||||||||||||
| z magnitude | 16.51 (0.009) | |||||||||||||||
| G magnitude | 16.06 (0.003) | 16.08 | 16.06 | 16.06 (0.003) | 16.08 | |||||||||||
| BP magnitude | 16.11 (0.003) | 16.11 | 16.11 | |||||||||||||
| RP magnitude | 16.03 (0.005) | 16.04 | 16.04 | |||||||||||||
| Pan g magnitude | 16.02 (0.008) | |||||||||||||||
| Pan r magnitude | 16.17 (0.004) | |||||||||||||||
| Pan i magnitude | 16.37 (0.005) | |||||||||||||||
| Pan z magnitude | 16.52 (0.01) | |||||||||||||||
| Pan y magnitude | 16.65 (0.004) | |||||||||||||||
| E(B-V) | 0.005 | |||||||||||||||
| Period #1 | [s] | 1068.0 | ||||||||||||||
| Amplitude #1 | [mma] | 13.8 | ||||||||||||||
* 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.