“TNOs are Cool”: A survey of the trans-Neptunian region - VI. Herschel/PACS observations and thermal modeling of 19 classical Kuiper belt objects

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Volume 541 (May 2012)

A&A, 541 (2012) A94

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Table 1

Target sample.

Target	KBO	a ^a	q	i ^a	e ^a	Color ^b	Spectral slope	H _V
	location	(AU)	(AU)	(°)			(% /100 nm)	(mag)

119951 (2002 KX₁₄)	inner	38.9	37.1	0.4	0.05	RR-IR^c	27.1 ± 1.0^e	4.862 ± 0.038^r
(2001 XR₂₅₄) ^∗	main	43.0	41.7	1.2	0.03	...	10 ± 3^f	6.030 ± 0.017^s
275809 (2001 QY₂₉₇) ^∗	main	44.0	40.4	1.5	0.08	BR	24 ± 8^f,g,h	6.09 ± 0.03^f
(2001 RZ₁₄₃) ^∗	main	44.4	41.3	2.1	0.07	...	13 ± 6^h,i,j	6.69 ± 0.10ⁱ
(2002 GV₃₁)	main	43.9	40.0	2.2	0.09	...	...	H_R = 5.5^t ± 0.4
79360 Sila (1997 CS₂₉) ^∗	main	43.9	43.4	2.2	0.01	RR	27.0 ± 3.0^e	5.59 ± 0.06^f,u
88611 Teharonhiawako (2001 QT₂₉₇) ^∗	main	44.2	43.2	2.6	0.02	...	1 ± 2^f	5.97 ± 0.03^f
120181 (2003 UR₂₉₂)	inner	32.6	26.8	2.7	0.18	...	28 ± 5^k	H_R = 6.7^t ± 0.3
(2005 EF₂₉₈)	main	43.9	40.1	2.9	0.09	RR	...	H_R = 5.8^t ± 0.3

138537 (2000 OK₆₇)	main	46.8	40.0	4.9	0.14	RR	20 ± 3^h,j,l,m,n	6.47 ± 0.09^l,m
148780 Altjira (2001 UQ₁₈) ^∗	main	44.5	41.8	5.2	0.06	RR	35 ± 6^f,g,h,j	6.47 ± 0.13^f,g
(2002 KW₁₄)	main	46.5	37.3	9.8	0.20	...	...	5.88 ± 0.05^v
(2001 KA₇₇)	main	47.3	42.8	11.9	0.10	RR	38 ± 3^g,h,j,m,o	5.64 ± 0.08^g
19521 Chaos (1998 WH₂₄)	main	46.0	41.1	12.0	0.11	IR	23 ± 2^h,j,m,n,p,q	4.97 ± 0.05^g,u
78799 (2002 XW₉₃)	inner	37.6	28.3	14.3	0.25	...	...	H_R = 4.8^t ± 0.6
(2002 MS₄)	main	41.7	35.6	17.7	0.15	...	2 ± 2^k	H_R = 3.5^t ± 0.4
145452 (2005 RN₄₃)	main	41.8	40.6	19.2	0.03	RR-IR^c	23.0 ± 1.1^e	3.89 ± 0.05^v
90568 (2004 GV₉)	main	41.8	38.7	22.0	0.07	BR^d	15 ± 3^k	4.25 ± 0.04^w
120347 Salacia (2004 SB₆₀) ^∗	main	42.2	37.9	23.9	0.10	...	12.6 ± 2.0^e	4.26 ± 0.02^f

Notes. Semimajor axis a, perihelion distance q, inclination i, eccentricity e, color taxonomy, spectral slope, and the average absolute visual magnitudes (V or R-band) of 19 TNOs ordered according to increasing inclination. For H_V used in our analysis, see Table 5. The horizontal line marks the limit of dynamically cold and hot classicals according to our dynamical analysis using the Gladman system. * Denotes a known binary system (Noll et al. 2008).

References.

^(a)

IAU Minor Planet Center, URL: http://www.minorplanetcenter.net/iau/ Ephemerides/Distant/, accessed July 2011.

^(b)

Taxonomic class from 28 unless otherwise indicated.

^(c)

Barucci et al. (2011).

^(d)

66.

^(e)

25.

^(f)

^(g)

19.

^(h)

Calculated using the technique of Hainaut & Delsanti (2002).

⁽ⁱ⁾

Santos-Sanz et al. (2009).

^(j)

Values from the Minor Bodies in the Outer solar system data base, URL: http://www.eso.org/~ohainaut/MBOSS.

^(k)

Stephen Tegler (priv. comm.).

^(l)

Benecchi et al. (2011).

^(m)

18.

⁽ⁿ⁾

15.

^(o)

64.

^(p)

^(q)

87.

^(r)

72.

^(s)

33.

^(t)

IAU Minor Planet Center/List of Transneptunian Objects at URL http://www.minorplanetcenter.net/iau/lists/TNOs.html accessed June 2011. See Sect. 2.5 for conversion to H_V.

^(u)

Romanishin & Tegler (2005).

^(v)

Perna et al. (in prep.).

^(w)

16.

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