CD-38 10980

All names: 2EUVE J1623-39.2, 1RXS J162334.0-391359, 2MASS J16233382-3913461, Gaia DR2 6018034958869558912, NSV 7674, WG 31, HIP 80300, PLX 3715.01, RE J162335-391325, [SC95] ZET 32, TYC 7853-559-1, 1SWASP J162333.83-391346.1, GEN# -0.03810980, GSC 07853-00559, CD -38 10980, Gaia DR3 6018034958869558912, WD 1620-391, USNO-B1.0 0507-00430369, WDJ162333.84-391346.16, RE J1623-39, CD-38 10980, CPC 18 8104, ** RAG 8B, Gaia EDR3 6018034958869558912, 2RE J162334-391325, RX J1623.5-3913, 2RE J1623-391, PPM 295000, EUVE J1623-39.2, WDS J16240-3912B, UBV M 6073, GJ 620.1B, [SC96] Mis 32, WD 1620-39, GJ 620.1 B, uvby98 -003810980, CNS5 4011, CPD-38 6406, GCRV 27469, EGGR 274, RE J1623-391, HIC 80300, TIC 4400550

Parameter Unit Gaia EDR3 O'Brien et al. 2024 Gaia DR2 Bedard et al. 2017 Subasavage et al. 2017 Tremblay et al. 2017 Stilism Holberg et al. 2016 Sion et al. 2014 Giammichele et al. 2012 Gianninas et al. 2011 Koester et al. 2009 Holberg et al. 2008 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 16 23 33.94 (0.04) 16 23 33.94 (0.07) 16 23 33.83 16 23 33.60 16 23 33.94 16 23 33.84 (0.04) 16 23 33.94 16 23 33.31
Declination -39 13 46.15 (0.03) -39 13 46.15 (0.05) -39 13 04.01 -39 13 44.40 -39 13 46.15 -39 13 46.16 (0.03) -39 13 46.15 -39 13 50.16
Spectral type DA DA DA DA DA DA2.1 DA DA DA DA DA2 DA2
Effective temperature [K] 24073.0 (488) 25954.0 (368) 23280.0 (1760) 25980.0 (370) 25985.0 (369) 25985.0 25985.0 (369) 25980.0 (369) 24677.0 (10) 25751.0 (338)
log(g) [cgs] 8.01 (0.03) 7.96 (0.04) 8.00 (0.05) 7.96 (0.04) 7.96 (0.04) 7.96 (0.04) 7.96 (0.04) 7.93 (0.001) 8.09 (0.01)
Mass [M] 0.636 (0.01) 0.63 (0.04) 0.68 (0.02) 0.61 (0.02) 0.61 (0.02) 0.686 (0.009)
log(Luminosity) [L] -1.34 (0.1) -1.12
Cooling age [Gyr] 0.0300 (0.02) 0.0200 0.0200
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] 77.45 (0.04) 77.45 (0.04) 77.43 (0.07) 78.15 (0.4) 76.00 (3) 78.17 (0.4) 78.04 (2) 77.73 (0.3) 77.45 77.45 (0.04) 77.43 (0.07) 64.60 (36)
Distance [pc] 12.91 (0.007) 12.91 (0.007) 12.91 (0.01) 12.80 (0.1) 12.80 (0.06) 13.16 (0.4) 12.79 (0.06) 12.86 12.80 (0.5) 14.00 12.87 12.91 12.91 (0.007) 12.91 (0.01) 15.48 (9)
Composition H H H H H
Proper motion (right ascension) [mas/yr] 77.39769101 (0.05) 77.13493629 (0.1) 77.398 (0.05) 77.13493629
Proper motion (declination) [mas/yr] 0.385844657 (0.04) 0.333826423 (0.1) 0.386 (0.04) 0.333826423
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS WDMS
B magnitude 10.88
V magnitude 11.04 11.01 (0.01) 10.98 10.98 10.97 11.03
R magnitude 11.15 10.94
I magnitude 11.29 10.84
J magnitude 11.58 (0.02) 11.58 (0.02)
H magnitude 11.71 (0.02) 11.71 (0.02)
K magnitude 11.77 (0.02) 11.77 (0.02)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 11.00 (0.001) 11.00 11.00 11.00 (0.003) 11.00
BP magnitude 10.88 (0.001) 10.86 10.86
RP magnitude 11.23 (0.0005) 11.23 11.23
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.001

* Constant surface field

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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.