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nova

Alert Notice 606: Observing campaign on nova in Vela - ASASSN-17mt

November 17, 2017

Event: Nova in Vela (ASASSN-17mt) and associated observing campaign

Discovered by: ASAS-SN (K. Z. Stanek (Ohio State University) et al.; ATel #10772)

Discovery magnitude: V=11.3, using data from the quadruple 14-cm "Cassius" telescope at CTIO, Chile

Discovery date: 2017 September 24.39 UT

Coordinates (2000.0): R.A. 08 50 29.62   Decl. -47 45 28.3 (from VSX)

Special Notice #61: N Vul 07 is now V458 Vul

August 22, 2007: CBET 1038 reports that the GCVS team has given the nova the formal name of V458 Vul. Please use 1950+20 V458 Vul for all future submissions through WebObs.

Special Notice #56: N Vul 07 [V458 Vul]

August 9, 2007: N Vul 07 (CBET 1027, AAVSO Special Notice #55) is most likely a nova [V458 Vul]; high-resolution spectra are being analyzed to confirm the object's nature. An AAVSO Alert Notice will be issued later, but the purpose of this special notice is to inform observers that:

  - N Vul 07 (19:54:24.64 +20:52:51.9 (2000.0)) has been added to the AAVSO files as 1950+20 N VUL 07.

Special Notice #83: X-ray Transient/Nova = V598 Pup; Possible Nova in Ser [V535 Ser]

November 20, 2007

1. X-ray Transient/Nova = V598 Pup

Further to AAVSO Special Notices #81 and #82, Nikolai Samus, Institute of Astronomy, Russian Academy of Sciences, announced (IAU Circular No. 8898, D. W. E. Green, ed.) that the bright x-ray transient and apparent nova has been assigned the name V598 Puppis [07:05:42.7 -38:14:42 (equinox 2000.0)].

Special Notice #82: Update on possible X-ray transient/Nova [V598 Pup]

November 19, 2007: Further to AAVSO Special Notice #81, precise coordinates for the optical counterpart of the new X-ray source XMMSL1 J070542.7-381442 [V598 Pup] (Read et al., ATEL 1282) have been determined. The (J2000) coordinates are

RA 07:05:42.51 (+/- 0.05 arcsec) , Dec -38:14:39.3 (+/- 0.08 arcsec)

Coordinates were determined by A. Henden using V-band images supplied by S. Dvorak.

This object has now been entered into the AAVSO Variable Star Index (VSX) as: VSX J070542.5-381439

AAVSO Special Notice #81: Possible Nova/X-ray Transient [V598 Pup]

November 18, 2007: Read et al. (ATEL #1282) report the discovery by XMM-Newton of a very bright new transient, XMMSL1 J070542.7-381442 [Nova Pup 2007 = V598 Pup], located at

07:05:42.7 -38:14:42 J2000

Special Notice #80: Nova Puppis 2007 = V597 Pup (AAVSO 0812-33)

November 15, 2007: Further to AAVSO Alert Notice 362, the object designated Nova Puppis 2007 (Pereira, IAU Circular 8895) has been assigned the variable star name "V597 Pup" according to N.N. Samus, Institute of Astronomy, Russian Academy of Sciences (Samus et al., IAU Circular 8896). Please use "V597 Pup" and/or the AAVSO designation "0812-33" when reporting observations to the AAVSO.

AAVSO Special Notice #85: Possible Nova in Vul [V459 Vul]

December 26, 2007: The CBET Unconfirmed Observation page at http://www.cfa.harvard.edu/iau/unconf/cbat_unconf.html

has listed a new object in Vulpeculae [V459 Vul] at

19:48:08.8  +21:15:23 J2000

The discovery magnitude on December 25.354 was 8.7; the discoverer is not listed.  No minor planets are visible in this field according to the minor-planet checker.

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