Daytime Meteor Showers (How to observe)

Pocket

Meteor showers do not encounter only at night but also at daytime. Radio and Radar observations caught daytime meteor showes. Since this project data were provided by forward-scattering, it is impossible to know which meteor showers are caught. On the other hand, however, it is possible to catch inreases of meteor echoes. Radio Meteor Observation (forward scatttering) is cauhgt some daytime meteor showers.

List of Daytime Meteor Showers

Meteor Shower(*1)IAU-CodeActivity
(*2)
Max λ
Date(*3)
Rate
(*4)
Radiant
(*5)
Comment
(*6)
Capricornids/Sagittariids115 DCSJan.13
-Feb.04
312°.5
Feb.01
Lowα=299°
δ=-15°
Weak Activity. Max date is unstable
χ-Capricornids114 DXCJan.29
-Feb.28
324°.7
Feb.13
α=315°
δ=-24°
not analyzed yet.
κ-Aquariids128 MKAMar.12
-Mar.16
359°.7
Mar.20
α=339°
δ=-7°
IAU Information (not IMO)
April Piscids144 APSApr.20
-Apr.26
32°.5
Apr.22
α=9°
δ=+11°
not analyzed yet.
Northern ω-Cetids152 NOCApr.20
-May.20
47°.5
May.08
α=9°
δ=+19°
clear activity did not detected.
Southern ω-Cetids153 OCEApr.24
-May.20
49°.5
May.10
Lowα=23°
δ=-3°
analysis of separation is needed
ε-Arietids154 DEAApr.24
-May.27
48°.7
May.09
Noneα=44°
δ=+21°
very weak activities were seen.
May Arietids294 DMAMay.04
-Jun.06
55°.5
May.16
Noneα=37°
δ=+18°
clear activity did not detected.
ο-Cetids293 DCEMay.05
-Jun.02
59°.3
May.20
Noneα=28°
δ=-4°
clear activity did not detected.
Arietids171 ARIMay.22
-Jul.02
76°.7
Jun.07
Highα=42°
δ=+25°
The biggest daytime meteo showers
ζ-Perseids172 ZPEMay.20
-Jul.05
78°.6
Jun.09
Mediumα=62°
δ=+23°
Same activity period of 171ARI.
λ-Taurids325 DLT?85°.5
Jun.17
α=-°
δ=-°
IAU Information (not IMO)
β-Taurids173 BTAJun.05
-Jul.17
96°.7
Jun.28
Noneα=86°
δ=+19°
clear activity did not detected.
ξ-Orionids188 XRIJul.04
-Jul.29
117°.7
Jul.20
α=94°
δ=+15°
IAU Information (not IMO)
ζ-Cancrids202 ZCAAug.07
-Aug.22
147°.0
Aug.20
α=120°
δ=+19°
IAU Information (not IMO)
γ-Leonids203 GLEAug.14
-Sep.12
152°.2
Aug.25
α=155°
δ=+20°
not analyzed yet.
κ-Leonids212 KLESep.06
-Oct.03
178°.5
Sep.21
α=159°
δ=+18°
not analyzed yet.
Sextantids221 DSXSep.09
-Oct.09
184°.3
Sep.27
Lowα=152°
δ=+0°
Low activities are observed.
*1Code is provided by International Astronomical Union(IAU).
*2Activity is provided by International Meteor Organization(IMO).
*3Max Solar Longitude (λ) is provided by International Meteor Organization(IMO).
*4Rate is proveid by this project. “not anayzed yet” means their showes have not anayzed yet in this project. “None” means clear shower activities did not seen although they are analyzed in this project.
*5Radiant information is provided by International Meteor Organization(IMO)
*6Comment is original of this project.

Capricornids/Sagittariids

Very weak and wide activities were sometimes observed. But this activity is not clear. It has a possibility to see small activity after calculate many worldwide radio data. Although some papers in ’70 were published, this meteor shower is not clear after that.

 Internation Meteor Organization
IMO
IPRMO
(this project)
Shower NameCapricornids/Sagittariids
IAU-Code115 DCS
ActivityJan.13 – Feb.4Jan.29 – 0Feb.06
Max dateλ=312°.5(Feb.1)λ=312°.4±0°.5(Feb.2)
Peak LevelMediumActivity Level = 0.1
Long echoesLow
RadiantR.A.(α)=299°, Decl.(δ)=-15°
InformationVg=28km/sFWHM:-2°.0/+2°.0

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Results of Capricornids/Sagittariids

χ-Capricornids

Although activities were recorded around Jan.-Feb, there is not enough information (data source is only MDC). Jenches 2013 said the activity was recorded Jan.11-Jan.21.

 Internation Meteor Organization
IMO
IPRMO
(this project)
Shower Nameχ-Capricornids
IAU-Code114 DXC
ActivityJan.29 – Feb.28
Max dateλ=324°.7(Feb.13)
Peak LevelLow
Long echoes
RadiantR.A.(α)=315°, Decl.(δ)=-24°
InformationVg=18.5km/s

This project has not analyzed in the case of this meteor shower parametes yet. As a future work, we will calculate and update this meteor shower.

κ-Aquariids

There is not enough information about this meteor shower. Since it is not provided by International Meteor Organization (IMO), following information is provided by International Astronomical Union(IAU).

 International Astronomical Union
(IAU)
IPRMO
(this project)
Shower Nameκ-Aquariids
IAU-Code128 MKA
ActivityMar.12 – Mar.16
Max dateλ=359°.7(Mar.20)
Peak Level
Long echoes
RadiantR.A.(α)=339°, Decl.(δ)=-7°
InformationVg=33.2km/s

This project has not analyzed in the case of this meteor shower parametes yet. As a future work, we will calculate and update this meteor shower.

April Piscids

April Piscids shows activity at the end of April. Recently, this meteor shower was reported by CMORs (Brown et al. 2008). Some radio observers reported to International Meteor Organization(IMO).

 Internation Meteor Organization
IMO
IPRMO
(this project)
Shower NameApril Piscids
IAU-Code144 APS
ActivityApr.20 – Apr.26
Max dateλ=32°.5(Apr.22)
Peak LevelLow
Long echoes
RadiantR.A.(α)=9°, Decl.(δ)=+11°
InformationVg=29km/s

This project has not analyzed in the case of this meteor shower parametes yet. As a future work, we will calculate and update this meteor shower.

Northern ω-Cetids

After η-Aquariids maximum date, Northern ω-Cetids peak is over. There is not enough detail information and results. In this project,
there is no clear activity since 2006.

 Internation Meteor Organization
IMO
IPRMO
(this project)
Shower NameNorthern ω-Cetids
IAU-Code152 NOC
ActivityApr.20 – May.20not clearly
Max dateλ=47°.5(May.8)not clearly
Peak LevelLownot clearly
Long echoes
RadiantR.A.(α)=9°, Decl.(δ)=+19°
InformationVg=37km/s

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Result of Northern ω-Cetids

Southern ω-Cetids

As same as Southern Northern ω-Cetids, ω-Cetids comes after η-Aquariids maximum. Long term activity during the period 2006-2019 shows low activity level with maximum solar longitude λ=49°.5 under separating two compornents.

 Internation Meteor Organization
IMO
IPRMO
(this project)
Shower NameSouthern ω-Cetids
IAU-Code153 OCE
ActivityApr.24 – May.20several days of peak date ?
Max dateλ=49°.5(May.10)λ=49°.5(May.10)
Peak LevelLowActivity Level = 0.3
Long echoesLow
RadiantR.A.(α)=23°, Decl.(δ)=-3°
InformationVg=37km/sFWHM = -2°.5 / +3°.0

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Result of Southern ω-Cetids

ε-Arietids

Although this meteor shower comes after η-Aquariids maximum, the ativity level is too weak and there is not enough records. It is possible to see a very weak activity with the peak at λ48°.5 using worldwide radio meteor observations.

 Internation Meteor Organization
IMO
IPRMO
(this project)
Shower Nameε-Arietids
IAU-Code154 DEA
ActivityApr.24 – May.27several days of peak date ?
Max dateλ=48°.7(May.9)λ=48°.5 ?
Peak LevelLowActivity Level = 0.1
Long echoes
RadiantR.A.(α)=44°, Decl.(δ)=+21°
InformationVg=21km/sFWHM = -2°.0 / +3°.0

icon More Information
Result of ε-Arietids

May Arietids

Although this meteor shower is senn from the middle of May to the end of May, there is no records and radio meteor observation did not catch clear activities.

 Internation Meteor Organization
IMO
IPRMO
(this project)
Shower NameMay Arietids
IAU-Code294 DMA
ActivityMay.4 – Jun.6not clearly
Max dateλ=55°.5(May.16)not clearly
Peak LevelLownot clearly
Long echoes
RadiantR.A.(α)=37°, Decl.(δ)=+18°
InformationVg=22km/s

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Result of May Arietids

ο-Cetids

ο-Cetids shows a activity from the middle of May to June. Although Meteor Data Center published by International Astronomical Union (IAU) also records “ο-Cetids Complex”, there is not enough record and information. Although the activity level was recorded as “Medium”, recent reseults were recorded as “Low”. Radio Meteor Observation in the world does not catch a clear activity since 2006.

 Internation Meteor Organization
IMO
IPRMO
(this project)
Shower Nameο-Cetids
IAU-Code293 DCE
ActivityMay.5 – Jun.2not clearly
Max dateλ=59°.3(May.20)not clearly
Peak LevelLownot clearly
Long echoes
RadiantR.A.(α)=28°, Decl.(δ)=-4°
InformationVg=37km/s

icon More Information
Result of ο-Cetids

Arietids

Arietids is the most famous and biggest meteor showers in daytime meteor showers. There are a lot of observed records and data. In addition, it is possible to catch video or visual meteor observation before sun-rise. Although the max date is λ=76°.7(Jun.7) by International Meteor Organization, some peak dates are publishd by some papers. The number of meteor echoes increase from 1st June, the maximum comes around 8th-10th June.

 Internation Meteor Organization
IMO
IPRMO
(this project)
Shower NameArietids
IAU-Code171 ARI
ActivityMay.22 – Jul.2Jun.4 – Jun.14
Max dateλ=76°.7(Jun.7)λ=78°.0(Jun.8)
Peak LevelHighActivity Level = 0.9
Long echoessometimes many echoes
RadiantR.A.(α)=44°, Decl.(δ)=+24°
InformationVg=38km/sFWHM: -4°.0 / +6°.2

This project caught clear activity profiles during the period 2006-2019. The number of meteor echoes increases from λ=72°. During the maximum period, ζ-Perseids comes same time. This project, therefore, separates observed activity profile to two comporntents. You can see more detail results as following “More Information” URL.

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Resulf of Arietids and ζ-Perseids

ζ-Perseids

ζ-Perseids comes at same period of Daytime Arietids. Since Radio Meteor Observation (forward scattering) is impossble to separate meteor showers, this project adopts the separation with two compornents. Although International Meteor Organization (IMO) publishes follwoing information, other papers say different activity profiles. For example, IMO is λ=78°.6, one paper says λ=83°.5(Jun.14). This project is also later peak time than IMO.

 Internation Meteor Organization
IMO
IPRMO
(this project)
Shower Nameζ-Perseids
IAU-Code172 ZPE
ActivityMay.20 – Jul.5Jun.10 – Jun.20
Max dateλ=78°.6(Jun.9)λ=84°.8(Jun.15)
Peak LevelLowActivity Level = 0.4
Long echoesLow
RadiantR.A.(α)=62°, Decl.(δ)=+23°
InformationVg=26km/sFWHM: -7°.8 / +4°.0

icon More Information
Resulf of Arietids and ζ-Perseids

λ-Taurids

There is not enough information about this meteor shower. Since it is not provided by International Meteor Organization (IMO), following information is provided by International Astronomical Union(IAU).

 International Astronomical Union
(IAU)
IPRMO
(this project)
Shower Nameλ-Taurids
IAU-Code325 DLT
Activityunknown
Max dateλ=85°.5(Jun.17)
Peak Levelunknown
Long echoes
RadiantR.A.(α)=57°, Decl.(δ)=11°
InformationVg=36km/s

β-Taurids

β-Taurids comes around the end of June (solar longitude:λ=96°.7) by the international Meteor Organization. There are a few reports recently. Almost of records were observed in 1940s-1970s. Although this project analyzed data with during the period for 2006-2019, there are no clear β-Taurids activity.

 Internation Meteor Organization
IMO
IPRMO
(this project)
Shower Nameβ-Taurids
IAU-Code173 BTA
ActivityJun.5 – Jul.17
Max dateλ=96°.7(Jun.28)
Peak LevelLow
Long echoes
RadiantR.A.(α)=86°, Decl.(δ)=+19°
InformationVg=27km/s

icon More Information
Result of β-Taurids

ξ-Orionids

There is not enough information about this meteor shower. Since it is not provided by International Meteor Organization (IMO), following information is provided by International Astronomical Union(IAU).

 International Astronomical Union
(IAU)
IPRMO
(this project)
Shower Nameξ-Orionids
IAU-Code188 XRI
ActivityJul.4 – Jul.29
Max dateλ=117°.7(Jul.20)
Peak Level
Long echoes
RadiantR.A.(α)=94°, Decl.(δ)=+15°
InformationVg=40km/s

ζ-Cancrids

There is not enough information about this meteor shower. Since it is not provided by International Meteor Organization (IMO), following information is provided by International Astronomical Union(IAU).

 International Astronomical Union
(IAU)
IPRMO
(this project)
Shower Nameζ-Cancrids
IAU-Code202 ZCA
ActivityAug.7 – Aug.22
Max dateλ=147°.0(Aug.20)
Peak Level
Long echoes
RadiantR.A.(α)=120°, Decl.(δ)=+19°
InformationVg=44km/s

γ-Leonids

γ-Leonids comes around the end of August. It has not been analyzed in this project yet.

 Internation Meteor Organization
IMO
IPRMO
(this project)
Shower Nameγ-Leonids
IAU-Code203 GLE
ActivityAug.14 – Sep.12
Max dateλ=152°.2(Aug.25)
Peak LevelLow
Long echoes
RadiantR.A.(α)=155°, Decl.(δ)=+20°
InformationVg=20km/s

κ-Leonids

κ-Leonids comes around on 21st September. There are serveral reports by Radar observations. κ-Leonids has not been analyzed in this project yet.

 Internation Meteor Organization
IMO
IPRMO
(this project)
Shower Nameκ-Leonids
IAU-Code212 KLE
ActivitySep.6 – Oct.3
Max dateλ=178°.5(Sep.21)
Peak LevelLow
Long echoes
RadiantR.A.(α)=159°, Decl.(δ)=+18°
InformationVg=42km/s

Sextantids

Tne maximum of Sextantids comes around the end of September (λ=184°.3) by International Meteor Organization. In 1999, the strong activity was recorded. This project also caught this small activity in almost of years. Its peak time was estimated at λ=188°.8 (Oct.2). It is later than IMO records. CMOR results are estimated at λ=187°.5.

 Internation Meteor Organization
IMO
IPRMO
(this project)
Shower NameSextantids
IAU-Code221 DSX
ActivitySep.9 – Oct.9Sep.29 – Oct.5
Max dateλ=184°.3(Sep.27)λ=188°.8(Oct.2)
Peak LevelMiddleActivity Level = 0.3
Long echoesNone
RadiantR.A.(α)=152°, Decl.(δ)=+0°
InformationVg=32km/sFWHM : -2°.1 / + 2°.2

icon More Information
Result of Sextantids

References

  • A new Working List of meteor showers (Rainer Arlt et al), WGN 34:3(2006)
  • Meteor Observers Workbook 2014 (The International Meteor Organization) (2014)
  • 2018 Meteor Shower Calendar (Jürgen Rendtel), IMO_INFO(2-17) (2017)
  • Major and Daytime Meteor Showers using Radio Meteor Observation in the World covering the period 2001-2016(Hiroshi Ogawa and Christian Steyaert), WGN 45:4(2017)