V572 Velorum

V572 Velorum, also known as Nova Velorum 2025, is a bright nova in the constellation Vela discovered by John Seach, and independently by Andrew Pearce, on 25 June 2025.^[1] At the time of its discovery, it had an apparent visual magnitude of 5.7, which is just visible to the naked eye.^[1] It reached a peak brightness of 4.8 on June 27.^[2]

A visual band light curve for V572 Velorum, plotted from AAVSO data^[4]

V572 Velorum

Approximate location of V572 Velorum (circled in red)
Observation data Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation	Vela
Right ascension	10h 25m 13.90s[1]
Declination	−53° 31′ 18.9″[1]
Apparent magnitude (V)	4.8 – 22.2[2]
Characteristics
Variable type	Nova + SU UMa dwarf nova[3]
Other designations
Nova Velorum 2025, PNV J10251200-5331109, V572 Vel[1]

All novae are binary stars, with matter from a "donor" star accreting onto a white dwarf. In the case of V572 Velorum, the orbital period is 0.12317997±0.00000010 days (2.96 h).^[5] Observations of the system before the 2025 explosion show the nova has already undergone fainter outbursts with both "long" (over 13 days) and "short" (3 to 4 days) periods. It is thus classified as a dwarf nova of the SU Ursae Majoris variable type.^[3] A spectrum taken of 572 Velorum on 30 June 2025 looks typical of a Fe II-type classical nova.^[6]

Sequence showing the change in brightness from July 26th to August 7th

• 
  V572 Velorum - Captured in Sydney on 26-Jul-2025
• 
  V572 Velorum. Captured from Sydney, July 27, 2025. Single 30-second exposure (no stacking).
• 
  V572 Velorum. Captured from Sydney, Aug 7, 2025. Luminosity had decayed considerably.

See also

• List of novae in the Milky Way galaxy
• Supernova