Download presentation
Presentation is loading. Please wait.
1
Mercury Data Review Tohoku Observatory Observation S. Okano 1, M. Kagitani 1, S. Kameda 2 1 Planetary Plasma and Atmospheric Research Center, Tohoku University 2 Tokyo University ・ Brightness of NaD2 emission ・ sodium tail ・ total visible atoms ・ concentration at southern hemisphere ??
2
2 Observation DateStart time Finish time QualityDay or Night June 9 5:405:47MidNight 5:505:58MidNight 5:586:06MidNight 6:076:15MidNight June 14 2:242:53MidDay 3:213:44LowDay 5:305:46BestNight 6:096:23MidNight June 15 1:181:41MidDay 2:152:35MidDay 6:046:17HighNight June 16 2:142:43LowDay 2:453:05LowDay dateStart time Finish time QualityDay or Night June 17 4:444:56MidSunset 5:476:01LowNight 6:226:35MidNight June 18 5:566:13LowNight 6:256:34LowNight dateTAAPhase angle Ang- Diam. June 998766.5 14117887.1 15120907.3 16124927.4 17127957.6 18131977.7
3
3 Observation D=40cm λ/ ∆ λ~60,000 Platescale: 0.23 arcsec/pix
4
4 Observation Fabry-Perot Interferometer used as tunable filter. June 14
5
5 Observation Fabry-Perot Interferometer used as tunable filter.
6
6 Observation Fabry-Perot Interferometer used as tunable filter.
7
7 Observation Fabry-Perot Interferometer used as tunable filter.
8
8 Observation Fabry-Perot Interferometer used as tunable filter.
9
9 Observation Fabry-Perot Interferometer used as tunable filter.
10
10 Observation Fabry-Perot Interferometer used as tunable filter.
11
11 Observation Fabry-Perot Interferometer used as tunable filter.
12
12 Observation Fabry-Perot Interferometer used as tunable filter.
13
13 Observation Fabry-Perot Interferometer used as tunable filter.
14
14 Observation Fabry-Perot Interferometer used as tunable filter.
15
15 Observation Fabry-Perot Interferometer used as tunable filter.
16
16 Observation Fabry-Perot Interferometer used as tunable filter.
17
17 Observation Fabry-Perot Interferometer used as tunable filter.
18
18 Observation Fabry-Perot Interferometer used as tunable filter.
19
19 Observation Fabry-Perot Interferometer used as tunable filter.
20
20 Observation Fabry-Perot Interferometer used as tunable filter.
21
21 Observation Fabry-Perot Interferometer used as tunable filter.
22
22 Observation Fabry-Perot Interferometer used as tunable filter.
23
23 Observation Fabry-Perot Interferometer used as tunable filter.
24
24 Observation Fabry-Perot Interferometer used as tunable filter.
25
25 Observation Fabry-Perot Interferometer used as tunable filter.
26
26 Observation Fabry-Perot Interferometer used as tunable filter.
27
27 Observation Fabry-Perot Interferometer used as tunable filter.
28
28 Observation Fabry-Perot Interferometer used as tunable filter.
29
29 Observation Fabry-Perot Interferometer used as tunable filter.
30
30 Observation Fabry-Perot Interferometer used as tunable filter.
31
31 Observation Fabry-Perot Interferometer used as tunable filter.
32
32 Observation Fabry-Perot Interferometer used as tunable filter.
33
33 Observation Fabry-Perot Interferometer used as tunable filter.
34
34 Observation Fabry-Perot Interferometer used as tunable filter.
35
35 Observation Fabry-Perot Interferometer used as tunable filter.
36
36 Observation Fabry-Perot Interferometer used as tunable filter.
37
37 Observation Fabry-Perot Interferometer used as tunable filter.
38
38 Observation Fabry-Perot Interferometer used as tunable filter.
39
39 Observation Fabry-Perot Interferometer used as tunable filter.
40
40 Observation Fabry-Perot Interferometer used as tunable filter.
41
41 Observation Fabry-Perot Interferometer used as tunable filter.
42
42 Observation Fabry-Perot Interferometer used as tunable filter.
43
43 Observation Fabry-Perot Interferometer used as tunable filter.
44
44 Calibration Transmittance of earth’s atmosphere changes with the elevation angle. →It is not good to use standard star for calibration. To calibrate brightness, Hapke’s reflection model was used.
45
45 NaD2 ( □ 2.4MR) Surface Observation June 14
46
46 Result 2kR 2MR Sodium tail on June 14, 05h38mUT
47
47 Result 2kR 2MR Sodium tail on June 14, 06h16mUT
48
48 Result 2kR 2MR Sodium tail on June 9 05h44mUT 05h54hUT 06h02mUT 06h11mUT
49
49 Result Total visible sodium was 3-6 x 10 27 atoms
50
50 Results June 91x10 11 [atoms/cm 2 ]
![50 Results June 91x10 11 [atoms/cm 2 ]](http://images.slideplayer.com/16/5120124/slides/slide_50.jpg "50 Results June 91x10 11 [atoms/cm 2 ]")
51
51 Results June 141.1x10 11 [atoms/cm 2 ]
![51 Results June 141.1x10 11 [atoms/cm 2 ]](http://images.slideplayer.com/16/5120124/slides/slide_51.jpg "51 Results June 141.1x10 11 [atoms/cm 2 ]")
52
52 Results June 151.1x10 11 [atoms/cm 2 ]
![52 Results June 151.1x10 11 [atoms/cm 2 ]](http://images.slideplayer.com/16/5120124/slides/slide_52.jpg "52 Results June 151.1x10 11 [atoms/cm 2 ]")
53
53 Results June 16 0.9x10 11 [atoms/cm 2 ] Sodium density is higher at the southern hemisphere (?)
![53 Results June x10 11 [atoms/cm 2 ] Sodium density is higher at the southern hemisphere ( )](http://images.slideplayer.com/16/5120124/slides/slide_53.jpg "53 Results June x10 11 [atoms/cm 2 ] Sodium density is higher at the southern hemisphere ( )")
54
54 Results June 17 0.9x10 11 [atoms/cm 2 ]
![54 Results June x10 11 [atoms/cm 2 ]](http://images.slideplayer.com/16/5120124/slides/slide_54.jpg "54 Results June x10 11 [atoms/cm 2 ]")
55
55 Results June 18 Low Quality… 0.4x10 11 [atoms/cm 2 ]
![55 Results June 18 Low Quality… 0.4x10 11 [atoms/cm 2 ]](http://images.slideplayer.com/16/5120124/slides/slide_55.jpg "55 Results June 18 Low Quality… 0.4x10 11 [atoms/cm 2 ]")
Similar presentations
