2011MNRAS.414L..36G

Query : 2011MNRAS.414L..36G

2011MNRAS.414L..36G - Mon. Not. R. Astron. Soc., 414, L36-L40 (2011/June-2)

Discovery of carbon monoxide in the upper atmosphere of Pluto.

GREAVES J.S., HELLING Ch. and FRIBERG P.

Abstract (from CDS):

Pluto's icy surface has changed colour and its atmosphere has swelled since its last closest approach to the Sun in 1989. The thin atmosphere is produced by evaporating ices, and so can also change rapidly, and in particular carbon monoxide should be present as an active thermostat. Here we report the discovery of gaseous CO via the 1.3-mm wavelength J=2–1 rotational transition, and find that the line-centre signal is more than twice as bright as a tentative result obtained in 2000 by Bockélee-Morvan et al. Greater surface ice evaporation over the last decade could explain this, or increased pressure could have caused the atmosphere to expand. The gas must be cold, with a narrow line-width consistent with temperatures around 50 K, as predicted for the very high atmosphere, and the line brightness implies that CO molecules extend up to ≈ 3 Pluto radii above the surface. The upper atmosphere must have changed markedly over only a decade since the prior search, and more alterations could occur by the arrival of the New Horizons mission in 2015.

Abstract Copyright: 2011 The Authors Monthly Notices of the Royal Astronomical Society2011 RAS

Journal keyword(s): Kuiper belt objects: individual: Pluto - planets and satellites: atmospheres - submillimetre: planetary systems

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	OH 017.7-02.0	pA*	18 30 30.703	-14 28 57.04						O-rich	145	1

Query : 2011MNRAS.414L..36G

Basic data :

OH 017.7-02.0 -- Post-AGB Star

Mas (OH,[PCC93],...), MIR (AKARI,SSTGLMA,...), OH* (1978A&AS), NIR (2MASS,UGPS), IR (IRAS,RAFGL), pA* (2007A&A), pA? ([HSD93b]), * ([LFO93])

18 30 30.703 -14 28 57.04 (Near-IR) [ 110 110 45 ] C 2003yCat.2246....0C

18 27 39.779 -14 31 03.91 [ 110 110 45 ]

017.684165 -02.032315 [ 110 110 45 ]

61.2 49.9 72.6 [2.27] (Rad) 2001A&A...366..481S

O-rich E 2001A&A...366..481S

K 9.778 [0.000] C 2012yCat.2316....0U

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`OH 017.684-02.032`	`OH 017.7-02.0`	`UGPS J183030.70-142857.2`	`[PCC93] 272`
`AKARI-FIS-V1 J1830307-142857`	`OH 017.68-02.03`	`WISEA J183030.69-142857.4`	`[SVM2001b] 132`
`IRAS 1827-145P01`	`RAFGL 5497`	`WISE J183030.69-142857.1`	`[TVH89] 311`
`IRAS 18276-1431`	`SSTGLMA G017.6840-02.0323`	`[HSD93b] 22`	`[YC94] Strong`
`2MASS J18303070-1428570`	`TIC 432635869`	`[LFO93] 1827-14`	`[YC99] 182744.27-143042.1`

References (145 between 1850 and 2026) (Total 145)
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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Data at NED - NASA/IPAC Extragalactic Database : OH 017.7-02.0

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`AKARI-FIS-V1 J1830307-142857`	`IRAS 1827-145P01`	`IRAS 18276-1431`	`2MASS J18303070-1428570`	`RAFGL 5497`
`SSTGLMA G017.6840-02.0323`	`UGPS J183030.70-142857.2`	`WISEA J183030.69-142857.4`	`WISE J183030.69-142857.1`

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