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WikiCards · Card list · Science cards · QSO J0313−1806
Common card · Science
QSO J0313−1806, a Common card
QSO J0313−1806 was the most distant, and hence also the oldest known quasar at z = 7.64, at the time of its discovery.
- Rarity
- Common
- Domain
- Science
- ATK
- 48
- DEF
- 37
- Power
- 85
- Wikipedia reads a year
- 5,900
Power 85 (ATK + DEF): stronger than 45 % of WikiCards cards.
The facts on the card
The card carries these facts from its Wikipedia article.
- In January 2021, it was identified as the most redshifted known quasar, with the oldest known supermassive black hole at×109 solar masses.
- The 2021 announcement paper described it as "the most massive SMBH at z > 7".
- This quasar beat the prior recordsetting quasar, ULAS J1342+0928.
Why it is Common
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The QSO J0313−1806 article was read about 5,900 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 48 and blocks with 37: each hit it takes is cut by 15 %.
How to get QSO J0313−1806
Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.
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Card lists
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- Tier listS and A tiers by power (ATK + DEF)
- Legendary cards166 cards
- Epic cards273 cards
- Strongest cardsTop 100 by attack
Credits
Text : Wikipedia, QSO J0313−1806 (revision), CC BY-SA 4.0. Photo : Feige Wang et al. (2021), CC BY 4.0, Wikimedia Commons.
