Grupo de Ciencias Planetarias

Planetary Science Group

U.N.S.J - San Juan - Argentina

Catalogue of asteroid polarization curves

Please make reference to: R. Gil-Hutton (2017) Catalogue of asteroid polarization curves, presented at "Asteroid, Comets, Meteors 2017", Montevideo, Uruguay.

Please take into account that the catalogue only includes observations made on filters V, R or similar. There are 5 groups:

  • Group A: Asteroids with at least 5 measurements, excellent phase coverage and a polarization curve.
  • Group B: Asteroids with at least 4 measurements, good phase coverage and a polarization curve.
  • Group C: Asteroids with at least 3 measurements, regular phase coverage and a tentative polarization curve.
  • Group D: Asteroids with at least 3 measurements and bad phase coverage.
  • Group E: Asteroids with less than 3 measurements.

The phase coverage is indicated in the list of objects for each group and it is characterized by a flag which indicate the existence ("X") or not ("O") of a polarimetric measurement in eight bins of phase angle (0 to 3 degrees, 3 to 6 degrees, 6 to 9 degrees, 9 to 12 degrees, 12 to 15 degrees, 15 to 18 degrees, 18 to 21 degrees and larger than 21 degrees). The most urgent group to observe is the C since the asteroids in this group require only few observations to obtain a reliable polarization curve.

The list of papers, and their codes, from which the observations were obtained are:

a: Lupishko (2022) Asteroid Polarimetric Database V2.0, NASA Planetary Data System.
b: Cellino et al. (2020) Torino Ast. Polarimetry V1.0, NASA Planetary Data System.
c: Castro-Chacón et al. (2022) PSS 213, 105428.
d: Belskaya et al. (2022) AA 663, A146.
e: Kiselev et al. (2022) MNRAS 514, 4861.
f: Bendjoya et al. (2022) AA 665, A66.
g: Geem et al. (2022) MNRAS 516, L53.
h: Gil-Hutton (2023) AA submited.

The catalogue is updated to February, 2023.

Total number of polarimetric measurements: 6341.

Total number of asteroids with polarization curves: 295.

Total number of asteroids with polarimetric measurements: 795.

Group A:

In this group there are 113 asteroids. In this file you can find a summary for each asteroid with the minimum and maximum phase angles for which observations have been made, the total number of measurements, the flag indicating the phase angle coverage and a code indicating the group.

In the following table you can find for each asteroid a complete report, including a figure showing phase angle vs. Pr and the polarization curve, the list of available measurements with a reference to the original paper, the coefficients Coe1, Coe2 and Coe3 of the best fit and the polarimetric parameters of the object with their errors.

000001000002000003000004000005000006000007
000008000009000010000011000012000014000015
000016000018000019000020000021000024000026
000027000029000030000031000038000039000040
000041000042000043000044000045000046000047
000049000051000054000055000056000059000063
000064000069000071000072000078000085000088
000089000090000092000093000097000100000103
000110000113000115000118000119000124000125
000128000129000132000134000135000139000140
000142000145000154000165000172000186000192
000194000197000204000208000210000213000214
000216000230000234000236000253000268000276
000308000313000324000335000336000345000347
000365000381000387000419000443000444000478
000511000599000606000679000704000863001021
001459

Group B:

In this group there are 90 asteroids. In this file you can find the summary.

000013000017000022000023000025000028000033
000034000037000048000052000053000057000060
000061000062000065000067000076000077000084
000087000091000094000095000105000106000122
000126000150000163000170000184000201000219
000222000225000226000237000241000243000247
000250000259000278000289000306000338000349
000350000354000369000374000376000377000386
000402000404000409000410000431000433000434
000441000456000471000472000476000510000532
000554000579000625000639000654000660000678
000729000747000753000762000785000796000887
001580001627003200007968155140162082

Polarimetric parameters for groups A and B:

This file lists the fit constants, their errors, and the polarimetric parameters obtained from the phase-polarization curve of the asteroids in these groups.

Group C:

In this group there are 92 asteroids. In this file you can find the summary.

000032000035000036000050000058000070000075
000080000081000096000102000104000114000116
000117000121000123000130000131000138000141
000148000158000161000183000185000196000200
000217000233000238000269000273000282000288
000292000293000317000337000339000341000357
000368000372000397000420000423000426000437
000451000455000466000491000503000509000513
000558000582000584000611000628000690000694
000702000755000757000773000776000779000787
000824000895000908000914000980001025001036
001105001166001284001303001332001509001600
002448002763002867003086014071016748051068
214869

Polarimetric parameters for group C:

This file lists the fit constants, their errors, and the polarimetric parameters obtained from the tentative phase-polarization curve of the asteroids in this group.

Group D:

In this group there are 159 asteroids. In this file you can find the summary.

68 73 86 98 107 108 109
127 133 137 144 147 152 153
159 168 169 175 178 182 188
189 190 191 199 205 218 220
221 224 227 246 256 258 261
263 266 271 283 284 302 305
322 329 334 346 351 359 367
382 384 391 396 399 418 458
460 485 487 489 490 502 504
516 534 542 547 550 572 573
578 588 592 595 600 604 620
635 642 653 661 662 673 675
714 727 732 737 739 741 758
769 780 798 809 823 832 834
838 849 857 872 909 984 1040
1099 1100 1201 1222 1246 1355 1372
1406 1453 1566 1583 1620 1659 1685
1702 1819 1981 2045 2085 2126 2209
2271 2579 2795 2851 3169 3447 3548
3944 4179 4543 5131 6249 6545 13360
13765 13807 16313 18736 21601 22398 23912
25143 26875 36358 48312 69880 85989 99942
100085101955144898331471422699

Group E:

In this group there are 341 asteroids. In this file you can find the summary.

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Contact:
gcpsj@sdf-eu.org
rgilhutton@casleo.gov.ar


last modification: March 2023

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