TCP J18224935-2408280: new transient in Sagittarius

Post Reply
Jaroslav Merc
Posts: 27
Joined: Thu May 04, 2017 11:27 am
Location: Prague, Czech Republic
Contact:

TCP J18224935-2408280: new transient in Sagittarius

Post by Jaroslav Merc »

A new symbiotic candidate appeared in a dense region in Sagittarius. Mag between 13-14. The spectrum could confirm or reject the symbiotic nature.

Jaroslav

--------
Information from Patrick Schmeer:

TCP J18224935-2408280 (ZAND:)
(submitted to VSX)

For discovery details and follow-up reports see
http://www.cbat.eps.harvard.edu/unconf/ ... 08280.html

Complete ASAS-SN Sky Patrol (Shappee et al. 2014ApJ...788...48S and Kochanek et al. 2017PASP..129j4502K) light curve and data:
https://asas-sn.osu.edu/sky-patrol/coor ... da99c20247

Spectroscopy, multiband photometry, and precise astrometry are required.
Olivier GARDE
Posts: 1243
Joined: Thu Sep 29, 2011 6:35 am
Location: Rhône Alpes FRANCE
Contact:

Re: TCP J18224935-2408280: new transient in Sagittarius

Post by Olivier GARDE »

Here's a spectrum taken with our 2spot setup in Chile

Image
LHIRES III #5, LISA, e-Shel, C14, RC400 Astrosib, AP1600
http://o.garde.free.fr/astro/Spectro1/Bienvenue.html
Robin Leadbeater
Posts: 1926
Joined: Mon Sep 26, 2011 4:41 pm
Contact:

Re: TCP J18224935-2408280: new transient in Sagittarius

Post by Robin Leadbeater »

Result ! Congratulations

https://www.astronomerstelegram.org/?read=14691

There are a couple more announced on vsnet

---------------------------------------------------------------------------------------------------------------------------------------------------

-----Original Message-----
From: vsnet-alert On Behalf Of Kenta TAGUCHI
Sent: 10 June 2021 10:06
To: vsnet-alert@ooruri.kusastro.kyoto-u.ac.jp
Subject: [vsnet-alert 25951] Spectra of TCP J18224935-2408280

TCP J18224935-2408280

According to ATels #14691, 14692, this transient confirmed as an outburst of a symbiotic star:
https://www.astronomerstelegram.org/?read=14691
https://www.astronomerstelegram.org/?read=14692

Mitsugu Fujii-san (Fujii Kurosaki Observatory) also toke a spectrum on
2021-06-07.684 UT.
His spectrum is available from the following URL.
http://otobs.org/FBO/etc/tcp_j18224935- ... 408280.htm

We also take a spectrum using the 3.8-m telescope Seimei on
2021-06-07.78 UT.
http://www.kusastro.kyoto-u.ac.jp/~kent ... pj1822.pdf
http://www.kusastro.kyoto-u.ac.jp/~kent ... fc.ms.fits
The line that ATel #14691, 14692 identified as [O III] might be He I.

Best,
Kenta
LHIRES III #29 ATIK314 ALPY 600/200 ATIK428 Star Analyser 100/200 C11 EQ6
http://www.threehillsobservatory.co.uk
Post Reply