2023MNRAS.526.2067M

Query : 2023MNRAS.526.2067M

2023MNRAS.526.2067M - Mon. Not. R. Astron. Soc., 526, 2067-2076 (2023/December-1)

The 'small' asteroid population: a spectroscopic survey.

MICHIMANI J., RONDON E., PERNA D., IEVA S., DOTTO E., MAZZOTTA EPIFANI E., BARUCCI A., PETROPOULOU V. and LAZZARO D.

Abstract (from CDS):

The study of near-Earth objects (NEOs) allow us to obtain information on the Solar system smallest bodies due to their closeness to Earth. In this work, we present the results of visible spectroscopic observations of 43 small and newly discovered NEOs, obtained during eighteen observing runs between October 2020 and December 2021, using the Goodman High Throughput Spectrograph at the 4.1-m Southern Astrophysical Research telescope (Cerro Pachón, Chile). We found a taxonomic distribution dominated by S-type asteroids but with an overabundance of A- and D-types. This result is in agreement with recent works on NEOs' characterization and has implications for possible differences in the taxonomic distribution of 'large' and 'small' objects and emphasizes the idea of a non-homogeneous NEO population.

Abstract Copyright: © 2023 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): methods: observational - techniques: spectroscopic - minor planets, asteroids: general

Simbad objects: 26

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Number of rows : 26
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 HD 5106 PM* 00 52 45.7879223616 -18 34 36.632150328   9.31 8.76     G2V 16 0
2 HD 11123 PM* 01 49 01.3688605704 -17 45 54.489220020   10.15 9.44     G1/3V 23 0
3 BD+25 333 * 01 58 23.7068483816 +25 47 23.545612199   9.232 8.626     G2V 18 0
4 HD 12497 Ro* 02 02 10.8587339880 -16 34 03.361750788   10.36 9.78     G2V 25 0
5 HD 13043 PM* 02 07 34.2728076780 -00 37 02.709423012 7.67 7.52 6.90 6.36   G2V 157 1
6 HD 21019 PM* 03 23 17.7011620632 -07 47 38.755366656   6.92 6.23     G5/6V 168 0
7 HD 21543 PM* 03 28 21.0836248328 -06 31 51.313523590   9.113 9.125     G2V 122 0
8 HD 26749 PM* 04 14 18.2919031281 +12 20 53.148262433       7.89   G2V 51 0
9 HD 39668 * 05 52 42.4819649184 -30 46 44.457482676   10.11 9.57     G2V 13 0
10 HD 50807 PM* 06 52 58.0286945544 -39 01 14.852320788   9.60 8.99     G2V 18 0
11 HD 102196 * 11 45 38.4605373072 -16 04 41.184901812   8.71 8.12     G2V 42 0
12 HD 103032 PM* 11 51 36.5470506408 -48 44 07.074128868   9.39 8.77     G2V 16 0
13 HD 128596 PM* 14 38 06.9842602632 -12 54 38.473162200   8.13 7.48     G2V 41 0
14 HD 142921 PM* 16 00 37.1761267276 -61 18 14.129634359   8.59 7.94     G2V 52 0
15 HD 177409 PM* 19 09 54.5555321208 -68 17 58.887748536   8.14 7.52     G1VCH-0.4 86 0
16 HD 179980 PM* 19 16 11.4070367016 -36 25 11.338942476   9.41 8.82     G2V 17 0
17 HD 184700 PM* 19 35 44.8789575035 -00 14 25.569500557   9.46 8.82     G3V 47 0
18 HD 204474 PM* 21 29 33.0734229672 -27 08 02.190656472   9.71 9.07     G2V 17 0
19 HD 205027 PM* 21 32 28.5348930042 +01 00 44.266168538   8.91   7.9   F3/5V 57 0
20 * 42 Cap RS* 21 41 32.8588063853 -14 02 51.404792132 6.03 5.83 5.18     G2IV 191 0
21 HD 210777 PM* 22 13 01.8032316552 -15 45 04.627982340   10.639 10.025     G1/2V 22 0
22 HD 213199 PM* 22 29 58.7972092152 -16 28 07.393338624   8.77 8.19     G2V 46 0
23 HD 214519 PM* 22 39 13.0751287752 -30 29 28.334396004   10.01 9.39     G2V 29 0
24 HD 217577 PM* 23 01 33.1718687256 +19 16 10.699105656 9.370 9.280   8.2   G2V 50 0
25 HD 221566 PM* 23 33 26.0865732240 -35 46 27.772988880   9.95 9.34     G2V 11 0
26 HD 224693 PM* 23 59 53.8317247296 -22 25 41.216257992   8.87 8.22     G2V 104 1

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