RA/DEC (2000)
00:42:29.250 +41:14:00.31
10.621875 +41.233419
Type
Nova
Redshift
-0.0012
Reporting Group
None
Discovering Data Source
None
Discovery Date
2019-01-28 18:02:21.000
TNS AT
Y
Public
Y
Host Name
M31
Discovery Mag
16.9
Filter
Clear-
Reporter/s
George Carey

Spectra

 AT_2019agt - 2019-02-04 18:35:15 Other / Other (None)z=
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 Gaia_Gaia-photometric_G
 ATLAS-MLO_ATLAS-01_orange
 Other_Other_Clear
   
Pointer position (MJD, Mag, Abs.Mag): (0.00, 0.00, 0.00)
Spectra
ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
3513 2019-02-04 18:35:15 Other / Other 8419 Leadbeater Leadbeater None tns_2019agt_2019-02-04_18-35-15_Other_Other.dat tns_2019agt_2019-02-04_18-35-15_Other_Other.fit Object R~500 spectrum obtained using an ALPY 600 spectrograph at Three Hills Observatory as described here http://www.threehillsobservatory.co.uk/astro/spectroscopy_20.htm
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
G-Gaia Gaia_Gaia-photometric 2019-01-13 01:53:45 - 2019-02-11 07:30:43 2458496.5789931 - 2458525.8129977 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
53597 2019-02-11 07:30:43 2458525.8129977 17.37 0.2 ABMag G-Gaia Gaia_Gaia-photometric 60 Robot
53596 2019-01-13 01:53:45 2458496.5789931 21.5 ABMag G-Gaia Gaia_Gaia-photometric Robot [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2019-01-27 06:04:19 - 2019-01-31 05:32:38 2458510.7529977 - 2458514.7309954 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
52795 2019-01-31 05:32:38 2458514.7309954 16.745 0.124 18.94 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
52794 2019-01-27 06:04:19 2458510.7529977 19.22 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
Clear- Other_Other 2019-01-16 18:25:11 - 2019-01-28 18:02:21 2458500.2674884 - 2458512.2516319 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
52669 2019-01-28 18:02:21 2458512.2516319 16.9 0.2 19 VegaMag Clear- Other_Other 600 G Carey 20cm reflector
52668 2019-01-16 18:25:11 2458500.2674884 19 VegaMag Clear- Other_Other 600 G Carey [Last non detection] 20cm reflector
AT Reports
ID Time received (UT) Sender Reporter/s Reporting group Disc. Data Source RA DEC Discovery date (UT) Discovery Mag. Filter Related files AT Type Host name Internal name Assoc. Groups End prop. period Remarks Bibcode Unreal Auto classification
29888 2019-02-12 10:38:56 Gaia_Bot1 A. Delgado,D. Harrison,S. Hodgkin et al. GaiaAlerts GaiaAlerts 00:42:29.250 +41:14:00.31 2019-02-11 07:30:43.000 17.37 G-Gaia PSN Gaia19aob GaiaAlerts Nova eruption in M31 N
29433 2019-01-31 11:58:35 ATLAS_Bot1 J. Tonry,L. Denneau,A. Heinze et al. ATLAS ATLAS 00:42:29.242 +41:13:59.97 2019-01-31 05:32:38.000 16.745 orange-ATLAS PSN ATLAS19cbe ATLAS N
29374 2019-01-28 19:04:36 George Carey George Carey et al. 00:42:29.220 +41:14:00.80 2019-01-28 18:02:21.000 16.9 Clear- PNV M31 The object is on three consecutive 600 second images. No minor planets or previous novae in that location. 2019TNSTR.151....1C N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
3506 2019-02-04 23:40:04 Robin Leadbeater Robin Leadbeater None Nova -0.0012 1 Although noisy (<10 SNR), the spectrum shows clear H alpha emission with a FWHM of ~1600km/s and H beta emission at an RV of -350km/s, consistent with the catalogued local radial velocity within M31 (NED) 2019TNSCR1240....1L
Spectra
ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
3513 2019-02-04 18:35:15 Other / Other 8419 Leadbeater Leadbeater None tns_2019agt_2019-02-04_18-35-15_Other_Other.dat tns_2019agt_2019-02-04_18-35-15_Other_Other.fit Object R~500 spectrum obtained using an ALPY 600 spectrograph at Three Hills Observatory as described here http://www.threehillsobservatory.co.uk/astro/spectroscopy_20.htm

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 29888 of Group GaiaAlerts
Previous RA, DEC: 00:42:29.220, +41:14:00.80 (10.62175, +41.233556)
Updated RA, DEC: 00:42:29.250, +41:14:00.31 (10.621875, 41.233419)

George
Carey

Independent discovery

Nick James obtained an image at about the same time: 2019-01-28 18:06:03
Image attached.

George
Carey

Discovery image

600 second image, photometry and astrometry using Astrometrica.