AAVSO Alert Notice 497
Nova Sagittarii 2014 = PNV J18250860-2236024 AND Erratum February 11, 2014
1. Event: Nova Sagittarii 2014 = PNV J18250860-2236024
Discovered by: Sigeru Furuyama (Tone-machi, Ibaraki-ken, Japan) and reported by S. Nakano (Sumoto, Japan)
Discovery magnitude: unfiltered CCD magnitude 8.7, using a 200-mm
f/2.8 camera lens + BJ-42L camera
Discovery date: 2014 Jan. 26.857 UT
Coordinates: R.A. 18 25 08.60 Decl. = -22 36 02.4 (2000.0)
Spectra: Low-resolution spectra obtained by A. Arai (Nishi-Harima Astronomical Observatory, University of Hyogo, Japan) on 2014 Jan.
30.87 UT indicate that the object is a Fe II-type classical nova past maximum. Spectroscopy details may be found in CBET 3802 (see Note a below).
Observing recommendations: Nova Sgr 2014, which had faded to 11.5 V, has brightened to visual magnitude 9.8. Observations of all types (visual, CCD, DSLR, spectroscopy) are strongly encouraged in following the evolution of this nova.
Charts: Charts for Nova Sgr 2014 may be created using the AAVSO Variable Star Plotter (VSP) at http://www.aavso.org/vsp.
Observations reported to the AAVSO:
2014 Jan. 27.847 UT, 9.6 (T. Noguchi, Katori, Chiba-ken, Japan, confirming observation, CBET 3802); 28.32640, 10.1 (AAX, A. Amorim, Florianopolis, Brazil); 28.48056, 10.2 (SLH, L. Shotter, Uniontown, PA); 28.83889, 10.5 (PEX, A. Pearce, Nedlands, W. Australia); 28.876, 10.19 V (KSI, S. Kiyota, Kamagaya, Japan, CBET 3802); 28.876, 9.72 Rc (Kiyota, CBET 3802); 28.876, 9.15 Ic (Kiyota, CBET 3802); 29.31460, 10.5 (Amorim); 29.39323, 10.585 +/-0.012 V (HMB, J. Hambsch, Mol, Belgium, remotely at San Pedro de Atacama, Chile); 29.39363, 9.223 +/-0.023 I (Hambsch); 30.39456, 10.826 +/-0.014 V (Hambsch); 30.39496, 9.385 +/-0.024 I (Hambsch); 31.30830, 11.0 (Amorim); 31.39523, 10.964 +/-0.014 V (Hambsch); 31.39563, 9.433 +/-0.025 I (Hambsch); Feb. 01.31250, 11.0 (Amorim); 01.39527, 10.981 +/-0.014 V (Hambsch); 01.39565, 9.563 +/-0.026 I (Hambsch); 02.31180, 11.2 (Amorim); 02.39615, 11.379 +/-0.020 V (Hambsch); 02.39656, 9.787 +/-0.042 I (Hambsch); 02.862, 10.7 (K. Kadota, Ageo, Saitama-ken, Japan, CBET 3802); 03.31250, 11.5 (Amorim); 03.39598, 11.513 +/-0.020 V (Hambsch); 03.39639, 10.028 +/-0.048 I (Hambsch); 04.39677, 11.432 +/-0.017 V (Hambsch); 04.39717, 10.239 +/-0.033 I (Hambsch); 06.39971, 10.990 +/-0.016 V (Hambsch); 06.40025, 10.177 +/-0.039 I (Hambsch); 07.39994, 11.172 +/-0.012 V (Hambsch); 07.40035, 10.333 +/-0.028 I (Hambsch); 08.30000, 11.1 (Amorim); 08.83403, 10.9 (Pearce); 09.39966, 10.604 +/-0.012 V (Hambsch); 09.40008, 9.786 +/-0.030 I (Hambsch); 09.82850, 10.8 (Pearce); 10.40196, 10.063 +/-0.010 V (Hambsch); 10.40237, 9.259 +/-0.026 I (Hambsch); 10.85140, 9.8 (Pearce);
Submit observations: Please submit observations to the AAVSO International Database using the name NOVA SGR 2014. Once a GCVS name has been assigned, please use that name.
Notes:
a. Announced on IAU CBAT Central Bureau Electronic Telegram 3802 (Daniel W. E. Green, ed.).
b. The object was designated PNV J18250860-2236024 when it was posted on the Central Bureau's TOCP webpage (http://www.cbat.eps.harvard.edu/unconf/tocp.html).
c. Furuyama reports nothing was visible on his many patrol frames of the field taken since August 2012.
d. Images:
- T. Noguchi (Katori, Chiba-ken, Japan), 2014 Jan. 27.847 (CBET
3802): http://park8.wakwak.com/~ngc/images/PNVinSgr.jpg
- K. Kadota (Ageo, Saitama-ken, Japan), 2014 Feb. 2.862 (CBET 3802):
http://members.jcom.home.ne.jp/kenic-k/ ... 140202.jpg
e. Position end figures:
- T. Noguchi (Katori, Chiba-ken, Japan), 2014 Jan. 27.847 (CBET
3802): 08.76s, 02.6"
- K. Kadota (Ageo, Saitama-ken, Japan), 2014 Feb. 2.862 (CBET 3802):
08.74s, 02.9"
Congratulations to Furuyama-san on his discovery!
2. Erratum in AAVSO Alert Notice 496
In AAVSO Alert Notice 496, Mati Morel (MMAT, Thornton, NSW,
Australia) was credited with the discovery of the 1989 outburst of
V745 Sco. The discoverer was William Liller (LIW, Vina del Mar, Chile), who observed V745 Sco on 1989 July 30.08 UT at magnitude
9.7 (PROBLICOM discovery using 2415 film with orange filter).
Sincere apologies to Bill!
This AAVSO Alert Notice was prepared by Elizabeth O. Waagen.
-------------------------------------------
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Nova Sagittarii 2014 = PNV J18250860-2236024
Exoplanet occultation, asteroid occultation,
solar research, comet observation, astrometry, etc.
solar research, comet observation, astrometry, etc.
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