V462 Lupi

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Right ascension15h 08m 03.274s[1]
Declination−40° 08 29.58[1]
Apparentmagnitude(V)5.3  18.5[2]
V462 Lupi
Approximate location of V462 Lupi (circled in red)
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Lupus
Right ascension 15h 08m 03.274s[1]
Declination −40° 08 29.58[1]
Apparent magnitude (V) 5.3  18.5[2]
Characteristics
Variable type Nova
Other designations
AT 2025nlr, Nova Lupi 2025, ASASSN-25cm, V462 Lup[3]

V462 Lupi, also known as Nova Lupi 2025,[3] is a bright nova in the constellation Lupus discovered by All Sky Automated Survey for SuperNovae (ASAS-SN) on 12 June 2025.[1] At the time of its discovery, it had an apparent visual magnitude of 8.7.[1] It was classified as a classical nova on 14 June 2025.[4]

A visual band light curve for V462 Lupi, plotted from AAVSO[5] and ASAS-SN[1] data (red point)

By 18 June 2025, it had brightened to magnitude 5.7, making it just visible to the naked eye.[6] The peak brightness, magnitude 5.5, was reached on 20 June 2025,[7] and around 10 July 2025 it became too faint to see with the naked eye even under ideal conditions.

All novae are binary stars, with matter from a "donor" star accreting onto a white dwarf. In the case of V462 Lupi, the orbital period is 0.07488825±0.00000016 days (1.80 h).[8]

An image of Nova V462 Lupi, captured by the Dwarf 3 telescope in Sydney on August 6, 2025, shows that its luminosity had decayed considerably after five weeks.
An image of Nova V462 Lupi, captured by the Dwarf 3 telescope in Sydney on August 6, 2025, shows that its luminosity had decayed considerably after five weeks.

See also

References

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