Igor Smolic - DnevnaKometa-AKLetenka2023.pdf

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Predavanje o kometi C/2023 koja će sledeće godine postati izuzetno sjajna.

Science

C/2023 A3 - buduća dnevna
kometa?
Igor Smolić

Sjaj kometa
 Zavisi od više faktora
 Veličine i aktivnosti jezgra komete
 Udaljenosti od Zemlje
 Ugla rasejanja svetlosti
 𝑚 𝑑, 𝑟, 𝛼 = 𝑚 1,1,0 + 5 ∗ 𝑙𝑜𝑔(𝑑) + 2,5 ∗ 𝑛 ∗ 𝑙𝑜𝑔 𝑟 + ϕ 𝛼

Prognoza sjaja
 Nezahvalan posao u slučaju kada ne znamo procese koji se odvijaju u/na
jezgru komete

C/2023 A3
 Puni naziv: C/2023 A3 (Tsuchinshan–ATLAS)
 Otkrivena početkom 2023. godine
 Pronađena na snimcima i iz aprila 2022.

C/2023 A3
 Dolazi iz Ortovog oblaka, odakle je krenula pre više miliona godina
 Po prvi put je u unutrašnjem delu Sunčevog sistema
 Kroz perihel prolazi 27. oktobra 2024. oko 18h (UT)
 U perihelu će biti udaljena 0,39 AU od Sunca
 10. oktobra će se nalaziti na 3,5 stepena od Sunca, a fazni ugao će biti 173º

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Igor Smolic - DnevnaKometa-AKLetenka2023.pdf

1. C/2023 A3 - buduća dnevna kometa? Igor Smolić

2. Sjaj kometa  Zavisi od više faktora  Veličine i aktivnosti jezgra komete  Udaljenosti od Zemlje  Ugla rasejanja svetlosti  𝑚 𝑑, 𝑟, 𝛼 = 𝑚 1,1,0 + 5 ∗ 𝑙𝑜𝑔(𝑑) + 2,5 ∗ 𝑛 ∗ 𝑙𝑜𝑔 𝑟 + ϕ 𝛼

3. Prognoza sjaja  Nezahvalan posao u slučaju kada ne znamo procese koji se odvijaju u/na jezgru komete

4. Fazni efekat

5. C/2023 A3  Puni naziv: C/2023 A3 (Tsuchinshan–ATLAS)  Otkrivena početkom 2023. godine  Pronađena na snimcima i iz aprila 2022.

6. C/2023 A3  Dolazi iz Ortovog oblaka, odakle je krenula pre više miliona godina  Po prvi put je u unutrašnjem delu Sunčevog sistema  Kroz perihel prolazi 27. oktobra 2024. oko 18h (UT)  U perihelu će biti udaljena 0,39 AU od Sunca  10. oktobra će se nalaziti na 3,5 stepena od Sunca, a fazni ugao će biti 173º

7. „Opisivanje“ fotometrijskih podataka

8. Prognoze sjaja

9. Maksimum sjaja

10. Do naredne godine

11. Dnevna kometa 1843

12. Ikeya – Seki (1965)

13. Kometa McNaught

14. Hvala na pažnji! Nastaviće se...

Igor Smolic - DnevnaKometa-AKLetenka2023.pdf

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