2008ApJ...689L..45K

Query : 2008ApJ...689L..45K

2008ApJ...689L..45K - Astrophys. J., 689, L45-L47 (2008/December-2)

Direct distance measurement to the dusty white dwarf GD 362.

KILIC M., THORSTENSEN J.R. and KOESTER D.

Abstract (from CDS):

We present trigonometric parallax observations of GD 362 obtained over seven epochs using the MDM 2.4 m Hiltner Telescope. The existence of a dust disk around this possibly massive white dwarf makes it an interesting target for parallax observations. The measured parallax for GD 362 places it at a distance of 50.6^+3.5_–3.1pc, which implies that its radius and mass are ~0.0106 R_☉ and 0.71 M_☉, respectively. GD 362 is not as massive as initially thought (1.2 M_☉). Our results are entirely consistent with the distance and mass estimates (52.2 pc and 0.73 M_☉) by Zuckerman et al., who demonstrated that GD 362 has a helium-dominated atmosphere. Dropping GD 362 from the list of massive white dwarfs, there are no white dwarfs with M>0.9 M_☉ that are known to host circumstellar dust disks.

Abstract Copyright: ∼

Journal keyword(s): Stars: Individual: Alphanumeric: GD 362 - stars: individual (WD 1729+371) - Stars: White Dwarfs

Simbad objects: 1

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Number of rows : 1

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag U	Mag B	Mag V	Mag R	Mag I	Sp type	#ref 1850 - 2026	#notes
1	GD 362	WD*	17 31 34.3168718112	+37 05 20.711767812		16.3		16.4		DAZB	200	0

Query : 2008ApJ...689L..45K

Basic data :

GD 362 -- White Dwarf

PM* (2018yCat,G,...), WD* (2023MNRAS,EGGR,...), * (GD,USNO,...), WD? (2018MNRAS), UV (GALEX,PG), MIR (WISEA,WISE), NIR (2MASS)

17 31 34.3168718112 +37 05 20.711767812 (Optical) [ 0.0267 0.0310 90 ] A 2020yCat.1350....0G

17 29 50.5692995964 +37 07 39.246495081 [ 0.0267 0.0310 90 ]

061.7511591287201 +31.1585589243228 [ 0.0267 0.0310 90 ]

24.010 -216.977 [0.033 0.043 90] A 2020yCat.1350....0G

17.8145 [0.0332] A 2020yCat.1350....0G

DAZB D 2012ApJ...760..123R

B 16.3 [~] E 2003AJ....125..984M

R 16.4 [~] E 2003AJ....125..984M

G 16.028793 [0.002839] C 2020yCat.1350....0G

J 16.162 [0.093] C 2003yCat.2246....0C

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`GD 362`	`LSPM J1731+3705`	`TIC 88844987`	`WISE J173134.34+370518.5`
`EGGR 545`	`2MASS J17313433+3705209`	`USNO-B1.0 1270-00310327`	`Gaia DR2 1336442472164656000`
`GALEX J173134.3+370519`	`NLTT 44986`	`WD 1729+371`	`Gaia DR3 1336442472164656000`
`G 204-14`	`PG 1729+371`	`WISEA J173134.33+370518.4`

References (200 between 1850 and 2026) (Total 200)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).

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`GALEX J173134.3+370519`	`G 204-14`	`LSPM J1731+3705`	`2MASS J17313433+3705209`	`NLTT 44986`
`PG 1729+371`	`USNO-B1.0 1270-00310327`	`WD 1729+371`	`WISEA J173134.33+370518.4`	`WISE J173134.34+370518.5`
`Gaia DR2 1336442472164656000`	`Gaia DR3 1336442472164656000`

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