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Name
  1eRASS J072044.9-402838  
AAVSO UID
000-BQH-517 (2179 observations)  
Constellation
Puppis Sequence
J2000.0
07 20 45.34 -40 28 40.0  (110.18892 -40.47778) Search nearby
B1950.0 07 19 05.12 -40 22 57.5
Galactic coord. 252.435 -12.101
Other names

(Internal only)
ASASSN-25ee AT 2025acqn GSC2.3 S63G058936
Gaia DR3 5561549440740425216 MASTER OT J072045.26-402837.9 PNV J07204545-4028357
USNO-A2.0 0450-03774143 USNO-B1.0 0495-0085294 WD J072045.34-402840.00
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Variability type
UGWZ:
Spectral type DA
Mag. range
10.7 - 19.2 g
Discoverer A. C. Rodriguez et al.; John Seach
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Outburst peak detected by ASAS-SN around JD 2460966.74.
2 Otero, Sebastian Alberto Already classified as a CV in 2025PASP..137a4201R. 2025 outburst detected by John Seach.
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References
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1 Rodriguez, A. C.; El-Badry, K.; Suleimanov, V.; et al., 2025, Cataclysmic
Variables and AM CVn Binaries in SRG/eROSITA + Gaia: Volume Limited
Samples, X-Ray Luminosity Functions, and Space Densities
2025PASP..137a4201R
2 Y. Tampo; et al., 2025, vsnet-alert #28114 --
3 CBAT "Transient Object Followup Reports", 2025 --
4 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0
2017PASP..129j4502K
External Links
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Images
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2025-11-04 14:37 UTC Type from vsnet-alert 28114.
2 Otero, Sebastian Alberto 2025-10-21 02:14 UTC Maximum magnitude from ASAS-SN data.
1 Otero, Sebastian Alberto 2025-10-21 02:07 UTC Spectral type from 2025A&A...699A...3G. Minimum magnitude from ATLAS-REFCAT2. Gaia DR3 position.