2004MNRAS.353L..41E

Query : 2004MNRAS.353L..41E

2004MNRAS.353L..41E - Mon. Not. R. Astron. Soc., 353, L41-L44 (2004/October-1)

The submillimetre evolution of V4334 Sgr (Sakurai's Object).

EVANS A., GEBALLE T.R., TYNE V.H., POLLACCO D., EYRES S.P.S. and SMALLEY B.

Abstract (from CDS):

We report the results of monitoring of V4334 Sgr (Sakurai's Object) at 450 and 850 µm with SCUBA on the James Clerk Maxwell Telescope. The flux density at both wavelengths has increased dramatically since 2001, and is consistent with continued cooling of the dust shell in which Sakurai's Object is still enshrouded, and which still dominates the near-infrared emission. Assuming that the dust shell is optically thin at submillimetre wavelengths and optically thick in the near-infrared, the submillimetre data imply a mass-loss rate during 2003 of ∼3.4±0.2x10–5 M☉/yr for a gas-to-dust ratio of 75. This is consistent with the evidence from 1-5 µm observations that the mass loss is steadily increasing.

Abstract Copyright: 2004 RAS

Journal keyword(s): stars: evolution - stars: individual: V4334 Sgr - stars: individual: Sakurai's Object - submillimetre

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 V* V4334 Sgr CV* 17 52 32.69352 -17 41 08.0160           F2Ia 390 0

Query : 2004MNRAS.353L..41E

Basic data :
V* V4334 Sgr -- Cataclysmic Binary
Other object types: otypes_help 		CV* (), PN (DPV,PK,...), V* (V*,AAVSO), * (GSC2,[KK98b]), MIR (WISEA,WISE), pA* (2007A&A), NIR (2MASS)
ICRS coord. (ep=J2000) : 		17 52 32.69352 -17 41 08.0160 (Near-IR) [ 60 60 90 ] C 2003yCat.2246....0C
FK4 coord. (ep=B1950 eq=1950) : 		17 49 37.62890 -17 40 29.0280 [ 60 60 90 ]
Gal coord. (ep=J2000) : 		010.47946837 +04.41476908 [ 60 60 90 ]
Spectral type: 		F2Ia C 1997BSAO...44....5K
Fluxes (3) :
J 11.555 [0.022] C 2003yCat.2246....0C
H 8.693 [0.033] C 2003yCat.2246....0C
K 6.372 [0.018] C 2003yCat.2246....0C
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Identifiers (15) :
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2MASS J17523269-1741080 NAME Sakurai's Object PN G010.4+04.4 WISE J175232.69-174107.8
DPV 1 NAME Sakurai's Var. TIC 206750096 [KK98b] 1
GSC2 S2202011182877 NAME Sakurai Object V* V4334 Sgr AAVSO 1746-17
NAME Novalike Var in Sgr PK 010+04 2 WISEA J175232.69-174107.7

References (390 between 1850 and 2026) (Total 390)
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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Observing logs

ISO : 8   

   

External archives :

Data at NED - NASA/IPAC Extragalactic Database : V* V4334 Sgr

Link by name to the catalogue in VizieR :

2MASS J17523269-1741080 PN G010.4+04.4 V* V4334 Sgr WISEA J175232.69-174107.7 WISE J175232.69-174107.8

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