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Details for Revision 1
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Name
  NGCA-V84  
AAVSO UID
--  
Constellation
Puppis Sequence
J2000.0
07 59 15.27 -31 08 44.6  (119.81363 -31.14572) Search nearby
B1950.0 07 57 16.57 -31 00 30.1
Galactic coord. 247.974 -0.786
Other names

(Internal only)
2MASS J07591526-3108446 AIIWISE J075915.26-310844.6 IRAS 07572-3100
TIC 152321616 Thevenot-V1 VPHASDR2 J075915.3-310844.7
WISE J075915.26-310844.6 WISEA J075915.26-310844.6  
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Variability type
EXOR:
Spectral type --
Mag. range
15.2 - <21.0 V
Discoverer Gabriel Cristian Neagu
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Ambiguous nature. It might be a young star or an evolved AGB-type star. NEOWISE data indicate an 8 mag. outburst that occurred during 2015, with the object taking between 6 months and 1 year to rise in the mid-infrared. The optical lightcurve has a sharp cusp and steep evolution on either side of its peak. The optical plateau is about 3 mag. below its peak (2021ATel14416....1H).
2 Neagu, Gabriel Cristian Outburst in 2016.
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References
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1 L. Hillenbrand, 2021, ATel #14416 2021ATel14416....1H
2 L. Hillenbrand, 2021 (online information and light curves) --
3 Thévenot, M., 2020, Appearance of a New Nebula in the Constellation Puppis
after an Outburst in 2015 around WISEA J075915.26-310844.6		 2020RNAAS...4..242T
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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Supporting Documents
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3 GIF of the nebula's variability Neagu, Gabriel Cristian 2021-02-09 05:34 UTC GIF using 2017/2018 images presenting the nebula's variability
2 DECaPS image Neagu, Gabriel Cristian 2021-02-05 20:31 UTC
1 JD plot Neagu, Gabriel Cristian 2021-02-03 21:57 UTC JD plot with ASAS-SN data
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Revision History
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3 Otero, Sebastian Alberto 2021-02-22 19:25 UTC Type and spectral type from 2021ATel14416....1H.
2 Neagu, Gabriel Cristian 2021-02-21 18:35 UTC Discoverers updated. Primary name from 2020RNAAS...4..242T.
1 Neagu, Gabriel Cristian 2021-02-05 21:55 UTC Initial submission. Gaia EDR3 position. Minimum magnitude derived from VPHASDR2.

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