All names: UCAC3 83-9563, TIC 219244444, 2MASS J04210556-4839070, V* RR Cae, Gaia EDR3 4788741548375134336, GEN# +9.86302089, PM 04196-4846, GJ 2034, LTT 1951, LHS 1660, WD 0419-48, NLTT 13114, GEN# +6.00231852, 2XMM J042105.5-483910, RR Caeli, GSC 08072-01454, L 302-89, CNS5 1078, RR Cae, uvby98 600101951, USNO-B1.0 0413-00035386, Gaia DR2 4788741548375134336, WG 46, LFT 349, Gaia DR3 4788741548375134336, 2RXP J042104.8-483903, WD 0419-487, BPM 31852, WISEA J042105.59-483912.6
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Bedard et al. 2017 | Stilism | Holberg et al. 2016 | Sion et al. 2014 | Ribeiro et al. 2013 | Giammichele et al. 2012 | Gianninas et al. 2011 | Zuckerman et al. 2011 | Subasavage et al. 2009 | Zuckerman et al. 2003 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 04 21 05.61 (0.02) | 04 21 05.61 (0.02) | 04 21 05.52 | 04 21 05.56 | 04 21 05.56 (0.02) | 04 21 00.74 | |||||||||
| Declination | -48 39 15.60 (0.02) | -48 39 15.34 (0.03) | -48 39 07.20 | -48 39 07.10 | -48 39 07.06 (0.02) | -48 38 57.48 | |||||||||
| Spectral type | DA+dM | DA | DA8 | DA+dM | DA+dM | DA | DAZ | DA7.8 | DA8 | ||||||
| Effective temperature | [K] | 6354.0 (261) | 7459.0 (175) | 6300.0 | 7260.0 (250) | 6444.0 (112) | 6440.0 (113) | 6300.0 | 6296.0 | ||||||
| log(g) | [cgs] | 7.38 (0.2) | 7.58 (0.02) | 7.80 (0.1) | 7.12 (0.2) | 7.11 (0.2) | 8.54 | 8.54 | |||||||
| Mass | [M☉] | 0.44 (0.02) | 0.22 (0.05) | 0.25 (0.05) | |||||||||||
| log(Luminosity) | [L☉] | -3.14 | |||||||||||||
| Cooling age | [Gyr] | 0.8300 | 0.8100 | ||||||||||||
| log(H/He) | |||||||||||||||
| log(C/He) | |||||||||||||||
| log(Ca/He) | |||||||||||||||
| log(Ca/H) | -8.4 (0.3) | -9.28 | -9.284 | ||||||||||||
| log(C/H) | |||||||||||||||
| log(N/H) | |||||||||||||||
| log(O/H) | |||||||||||||||
| log(Na/H) | |||||||||||||||
| log(Mg/H) | -7.1 (0.2) | -7.74 | |||||||||||||
| log(Al/H) | -8.2 (0.2) | -8.78 | |||||||||||||
| log(Si/H) | -7.2 (0.2) | -7.2 | |||||||||||||
| log(P/H) | |||||||||||||||
| log(S/H) | |||||||||||||||
| log(Sc/H) | |||||||||||||||
| log(Ti/H) | -9.8 (0.3) | ||||||||||||||
| log(Cr/H) | -9.4 (0.2) | ||||||||||||||
| log(Mn/H) | |||||||||||||||
| log(Fe/H) | -7.2 (0.3) | -8.03 | |||||||||||||
| log(Ni/H) | -8.5 (0.3) | ||||||||||||||
| Parallax | [mas] | 47.20 (0.02) | 47.16 (0.02) | 49.68 (1) | 49.68 (1) | 49.68 (1) | 47.20 (0.02) | 49.60 (1) | |||||||
| Distance | [pc] | 21.19 (0.009) | 21.20 (0.01) | 20.10 (0.5) | 20.13 (0.5) | 20.12 | 20.10 (2) | 22.00 | 20.13 (0.5) | 21.19 (0.009) | 20.16 (0.5) | ||||
| Composition | H | H | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 30.03001127 (0.02) | 30.021 (0.04) | 30.03 (0.02) | |||||||||||
| Proper motion (declination) | [mas/yr] | -533.8860769 (0.03) | -533.777 (0.06) | -533.886 (0.03) | |||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | WDMS | WDMS | WDMS | WDMS | |||||||||||
| B magnitude | 14.86 | 14.92 | |||||||||||||
| V magnitude | 14.36 | 14.36 | 14.40 | ||||||||||||
| R magnitude | 13.73 | ||||||||||||||
| I magnitude | 12.44 | ||||||||||||||
| J magnitude | 10.72 | 10.72 (0.02) | 10.72 (0.02) | ||||||||||||
| H magnitude | 10.15 | 10.15 (0.02) | 10.15 (0.02) | ||||||||||||
| K magnitude | 9.85 | 9.85 (0.03) | 9.85 (0.03) | ||||||||||||
| u magnitude | |||||||||||||||
| g magnitude | |||||||||||||||
| r magnitude | |||||||||||||||
| i magnitude | |||||||||||||||
| z magnitude | |||||||||||||||
| G magnitude | 13.64 (0.002) | 13.66 | 13.64 (0.003) | ||||||||||||
| BP magnitude | 14.49 (0.002) | 14.50 | |||||||||||||
| RP magnitude | 12.63 (0.001) | 12.64 | |||||||||||||
| Pan g magnitude | |||||||||||||||
| Pan r magnitude | |||||||||||||||
| Pan i magnitude | |||||||||||||||
| Pan z magnitude | |||||||||||||||
| Pan y magnitude | |||||||||||||||
| E(B-V) | 0.000 | ||||||||||||||
* 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.