LIN 9 (symbiotic star in the SMC): double outburst

Affiliation

Association Francaise des Observateurs d'Etoiles Variables (AFOEV)

Fri, 07/09/2021 - 09:34

LIN 9 = OGLE SMC-LPV-00861 (ZAND)
https://www.aavso.org/vsx/index.php?view=detail.top&oid=554680

Complete ASAS-SN Sky Patrol light curve and data:
https://asas-sn.osu.edu/sky-patrol/coordinate/6b5c66f9-d02f-4cde-a5a2-fc5ae5a725ff

Gaia Photometric Science Alerts (light curve and data):
http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia20bdd/

An outburst started in late January 2020, and a second one on 2021 January 15 (on top of the first one, according to Gaia data). The optical peak was reached around 2021 May 18.

Spectroscopy and multiband photometry are encouraged.

Clear skies,
Patrick
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References:
All-Sky Automated Survey for Supernovae (ASAS-SN) Sky Patrol:
- Shappee et al., 2014ApJ...788...48S
- Kochanek et al., 2017PASP..129j4502K

CTX

Affiliation

American Association of Variable Star Observers (AAVSO)

Sat, 07/10/2021 - 18:47

Lin 9 Sequence

I just created an F scale sequence for this target, Lin 9.

Ad Astra,

Tim Crawford, Sequence Team