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Geminids 2010: visual data quicklook

Introduction

This page shows automated results of the Geminids 2010, based on visual observations by volunteers astronomers collected through the report form of the International Meteor Organization (IMO). The information on this page is generated automatically; for scientific use please refer to manual analyses published in scientific journals (such as WGN). Send your feedback regarding this page to Geert Barentsen.

Page contents:

Immy Activity profile
Immy Observer statistics
Immy Data access
Immy Credits and references

Page generated: 2012 September 19 at 20:20 UTC.

Activity profile

The graph below shows the ZHR (Zenithal Hourly Rate), which is the number of meteors an observer would see under a very dark sky with the radiant of the shower in zenith.
ZHRmax = 127 based on 6801 Geminids reported in 743 intervals, assuming population index r = 2.0

ZHR graph

Time (UTC)Solarlon nINT nGEM ZHR Particle density
2010-12-04 21:03 252.458 1 1 28±20 45 / 109·km3
2010-12-06 21:43 254.517 19 23 5±1 8 / 109·km3
2010-12-07 22:41 255.573 14 26 21±4 33 / 109·km3
2010-12-09 19:11 257.457 26 59 11±1 18 / 109·km3
2010-12-10 15:32 258.318 22 70 11±1 18 / 109·km3
2010-12-11 18:33 259.463 21 99 22±2 35 / 109·km3
2010-12-12 09:38 260.102 43 203 22±2 35 / 109·km3
2010-12-12 22:31 260.648 31 203 37±3 59 / 109·km3
2010-12-13 00:13 260.720 23 219 42±3 67 / 109·km3
2010-12-13 01:32 260.775 21 203 38±3 61 / 109·km3
2010-12-13 03:10 260.845 21 217 44±3 70 / 109·km3
2010-12-13 06:00 260.965 25 228 44±3 70 / 109·km3
2010-12-13 15:30 261.367 33 200 39±3 62 / 109·km3
2010-12-13 20:13 261.567 20 200 82±6 131 / 109·km3
2010-12-13 21:15 261.611 40 422 94±5 150 / 109·km3
2010-12-13 22:20 261.657 33 346 100±5 159 / 109·km3
2010-12-13 23:23 261.701 16 205 108±8 172 / 109·km3
2010-12-14 00:32 261.750 22 328 112±6 178 / 109·km3
2010-12-14 01:24 261.787 26 392 104±5 166 / 109·km3
2010-12-14 02:27 261.831 27 419 127±6 202 / 109·km3
2010-12-14 03:22 261.870 21 308 101±6 161 / 109·km3
2010-12-14 04:47 261.930 12 207 94±7 150 / 109·km3
2010-12-14 07:17 262.036 13 207 102±7 162 / 109·km3
2010-12-14 08:26 262.085 14 210 114±8 182 / 109·km3
2010-12-14 09:47 262.142 13 205 94±7 150 / 109·km3
2010-12-14 11:02 262.195 30 213 91±6 145 / 109·km3
2010-12-14 14:31 262.343 9 228 77±5 123 / 109·km3
2010-12-14 17:35 262.472 22 206 59±4 94 / 109·km3
2010-12-14 18:45 262.522 24 202 104±7 166 / 109·km3
2010-12-14 20:08 262.580 23 205 73±5 116 / 109·km3
2010-12-14 22:03 262.662 22 201 51±4 81 / 109·km3
2010-12-15 00:26 262.763 28 203 54±4 86 / 109·km3
2010-12-15 05:02 262.957 28 143 34±3 54 / 109·km3

The reported intervals are automatically added together into the bins shown above, based on the number of meteors and the distribution of the intervals. For each bin, the following parameters are computed:

Observer statistics

Data has been received from 101 observers in 26 countries. Thank you for your efforts!

Spatial distribution of observers

Note: click on the map for an interactive version.

Spatial distribution

Temporal distribution of observers

Temporal distribution

Table of observers

ObserverCountryTeffnGEM
Ioan Agavriloaiei Romania 1.30h 31
Salvador Aguirre Mexico 12.16h 411
Alexandre Amorim Brazil 3.60h 5
János Bakos Hungary 3.08h 17
Asmita Bhandare India 5.56h 36
Suresh Bhattarai Nepal 3.00h 57
Longji Bing China 0.51h 4
Swapnil Bokade India 1.44h 47
Jens Briesemeister Germany 2.70h 36
Andreas Buchmann Switzerland 2.07h 86
Yi Cao China 0.48h 0
Geoff Carstairs Australia 1.83h 12
Simiao Cheng China 0.40h 1
Shao Chendi China 1.88h 12
Sherry Chhabra India 7.57h 59
Carmelita Cook Philippines 1.96h 8
Tim Cooper South Africa 2.33h 18
Paul Craft Australia 3.54h 10
Mladen Dabic Croatia 1.06h 44
Anderson Dantas Brazil 5.25h 52
Neha Das India 2.58h 21
Mark Davis United States 6.21h 106
Chander, Sachin, Devgun, Bahmba India 2.18h 344
Suraj Dhiwar India 6.15h 78
Shlomi Eini Israel 3.20h 80
Craig Ewing United States 3.70h 175
Stanislav Fort Czech Republic 0.48h 19
Wei Ge China 0.75h 10
William Godley United States 4.59h 104
Sylvie Gorkova Czech Republic 1.87h 36
Mitja Govedic Slovenia 1.15h 77
Wayne T. Hally United States 3.75h 5
Vilem Heblik Czech Republic 7.65h 112
Carl Hergenrother United States 4.77h 209
Kamil Hornoch Czech Republic 2.47h 157
Petr Horalek Czech Republic 3.53h 53
Di Hu China 2.87h 26
Jeremy Jefferis United States 0.43h 12
Weiliang Jin China 1.15h 7
Carl Johannink Germany 2.28h 65
Bhargav Joshi India 2.50h 10
Javor Kac Slovenia 2.60h 35
Jay Kansara India 2.69h 37
Akshay Khachane India 2.79h 26
Stanislav Korotkiy Russia 19.98h 681
Jakub Koukal Czech Republic 9.30h 113
Roman Kovalyk Italy 11.09h 94
Peter Kozich unknown 0.92h 64
Rhishikesh Kulkarni India 2.09h 79
Sneha Kulkarni India 2.40h 35
Peter Van Leuteren Netherlands 5.31h 156
Anna S. Levina Israel 14.07h 484
Simon Levin Israel 16.65h 696
Mike Linnolt United States 1.00h 77
Zefeng Li China 0.66h 6
Rodrigo Lopez Solorzano Mexico 3.25h 30
Jer Nan Lou Taiwan 0.18h 1
Hartwig Luthen Germany 0.95h 37
Santosh Mahato India 0.95h 6
Jiawei Ma China 0.83h 16
Qiang Ma China 1.00h 3
Adam Marsh Australia 0.92h 13
Khalid Marwat Pakistan 2.91h 56
Mayuresh Marathe India 2.90h 13
Mikhail Maslov Russia 1.00h 1
Marco Micheli Italy 1.06h 23
Koen Miskotte Netherlands 11.02h 594
Vitaliy Nikolaev Russia 1.14h 25
Francisco Ocana Gonzalez Spain 2.13h 63
Rishikesh Pandit India 7.57h 203
Xi Qian China 0.77h 3
Hongyi Qin China 2.94h 133
Hermitanio Quinto Philippines 4.29h 11
Jurgen Rendtel Germany 5.83h 95
Martin Rudd Australia 0.92h 17
Joao Santos Brazil 0.91h 0
João Ricardo Santos Brazil 0.37h 0
Debasis Sarkar India 1.50h 72
Mikiya Sato Japan 1.00h 64
Tomoko Sato Japan 1.50h 87
Alex Scholten unknown 3.50h 148
Sergei Schmalz Germany 3.12h 59
Andrey Semenuta Kazakhstan 1.90h 8
Sanket Sen India 2.32h 11
Hideki Seo Japan 1.00h 57
Shashank Shekhar India 1.50h 60
Yufei Shen China 1.47h 15
Dhanashree Shinde India 3.54h 53
Costantino Sigismondi Italy 1.61h 6
Richard Taibi United States 1.50h 8
Kazumi Terakubo Japan 2h 72
Rafael Ruben Torregrosa Soler Spain 1.00h 9
Shigeo Uchiyama Japan 2.00h 101
Hendrik Vandenbruaene Belgium 4.47h 167
Michel Vandeputte Belgium 13.25h 324
Wienie Van Der Oord Israel 1.48h 43
Daniel Verde Van Ouytsel Spain 1.74h 56
Bin Wang China 0.40h 4
Kunlun Wang China 1.32h 12
Suqin Wang China 2.10h 4
Xiaofan Wei China 3.00h 97
Oliver Wusk Germany 3.50h 58
Weizhou Zeng China 2.90h 54
Xiang Zhan China 1.68h 86
Dantong Zhu China 1.61h 7

Data access

Create your own analysis. The files below can be opened using Excel:
gem2010_rate.csv (number of meteors per interval per observer)
gem2010_magn.csv (number of meteors per magnitude bin per observer)

Credits and references

The information on this page may be distributed freely provided credit is given to the International Meteor Organization (IMO) and, when possible, to the individual observers. The computer facilities to generate this page are provided by the Urania Public Observatory in Belgium and Armagh Observatory in Northern Ireland.

References:

  1. Rendtel J. and Arlt R., editors (2009). Handbook for meteor observations; Chapter 9, Analyses and Calculations. International Meteor Organization. ISBN 978-2-87355-020-2.
  2. Koschack R., Rendtel J. (1990). Determination of spatial number density and mass index from visual meteor observations (II). WGN 18, 119-140.