RA/DEC (2000)
00:42:03.139 +41:02:32.64
10.5130776 +41.0423995
Type
Nova
Redshift
0.0017
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2018-10-17 10:07:40.000
TNS AT
Y
Public
Y
Discovery Mag
16.285
Filter
orange-ATLAS
Reporter/s
J. Tonry, L. Denneau, A. Heinze, H. Weiland, H. Flewelling (IfA, University of Hawaii), B. Stalder (LSST), A. Rest (STScI), C. Stubbs (Harvard University), K. W. Smith, S. J. Smartt, D. R. Young, K. Maguire, S. Prentice, O. McBrien, D. O'Neill, P. Clark, M. Magee, M. Fulton, A. McCormack (Queen's University Belfast), D. E. Wright (University of Minnesota)

Spectra

 AT_2018hld - 2018-10-17 20:22:26 Other / Other (None)z=
Show H at z=vexp= km/s
Show He at z=vexp= km/s
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 P48_ZTF-Cam_r
 ATLAS-MLO_ATLAS-01_orange
 ATLAS-HKO_ATLAS-02_orange
   
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
2917 2018-10-17 20:22:26 Other / Other 9892 Leadbeater Leadbeater None tns_2018hld_2018-10-17_20-22-26_Other_Other.dat tns_2018hld_2018-10-17_20-22-26_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
r-ZTF P48_ZTF-Cam 2018-11-07 06:27:44 - 2018-11-19 06:41:49 2458429.7692593 - 2458441.7790394 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
43555 2018-11-19 06:41:49 2458441.7790394 19.4644 0.193335 19.4994 ABMag r-ZTF P48_ZTF-Cam 30
43556 2018-11-13 06:22:38 2458435.7657176 19.1328 0.144473 19.9791 ABMag r-ZTF P48_ZTF-Cam 30
43554 2018-11-10 06:23:09 2458432.7660764 19.3346 0.157059 20.4392 ABMag r-ZTF P48_ZTF-Cam 30
43557 2018-11-07 06:27:44 2458429.7692593 19.1104 0.08299 20.8295 ABMag r-ZTF P48_ZTF-Cam 30
orange-ATLAS ATLAS-MLO_ATLAS-01 2018-10-11 11:16:48 - 2018-10-11 11:16:48 2458402.97 - 2458402.97 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
37778 2018-10-11 11:16:48 2458402.97 19.22 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2018-10-17 10:07:40 - 2018-10-17 10:07:40 2458408.9219907 - 2458408.9219907 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
37779 2018-10-17 10:07:40 2458408.9219907 16.285 0.023 19.58 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
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 ADS Bibcode Unreal Auto classification
25430 2018-11-25 13:37:30 ZTF_AMPEL_NEW J. Nordin,V. Brinnel,M. Giomi et al. ZTF ZTF 00:42:03.139 +41:02:32.64 2018-11-07 06:27:44.000 19.3346 r-ZTF PSN ZTF18acdyxzf ZTF N
23638 2018-10-17 16:05:21 ATLAS_Bot1 J. Tonry,L. Denneau,A. Heinze et al. ATLAS ATLAS 00:42:03.136 +41:02:32.65 2018-10-17 10:07:40.000 16.285 orange-ATLAS PSN ATLAS18xcg ATLAS 2018TNSTR1592....1T N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
2909 2018-10-19 13:43:06 Robin Leadbeater Robin Leadbeater None Nova 0.0017 1 Although noisy (~10 SNR), the spectrum shows clear Balmer line emission (alpha,beta,gamma) at the catalogued local radial velocity within M31 (NED) and evidence of P Cygni profiles in H alpha, beta with absorption at ~ -1700km/s 2018TNSCR1605....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
2917 2018-10-17 20:22:26 Other / Other 9892 Leadbeater Leadbeater None tns_2018hld_2018-10-17_20-22-26_Other_Other.dat tns_2018hld_2018-10-17_20-22-26_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 25430 of Group ZTF
Previous RA, DEC: 00:42:03.136, +41:02:32.65 (10.5130666667, +41.0424033333)
Updated RA, DEC: 00:42:03.139, +41:02:32.64 (10.5130776, 41.0423995)

Robin
Leadbeater

redshift sign

Note the redshift should be -0.0017. Administrator please correct. Thanks