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Name
  V0841 Aql  
AAVSO UID
000-BCT-710 (1 observation)  
Constellation
Aquila Sequence
J2000.0
19 07 39.79 +10 29 43.7  (286.91579 +10.49547) Search nearby
B1950.0 19 05 17.88 +10 24 57.0
Galactic coord. 44.111 +1.212
Other names

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AAVSO 1902+10 Downes V0841 Aql IPHAS J190739.84+102943.2
N Aql 1951 Nova Aql 1951 ZTF19abciwnk
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Variability type
NB
Spectral type pec(NOVA)
Mag. range
11.5 - <17.5 p
Discoverer F. Zwicky
Epoch
06 Apr 1951 (HJD 2433743)
Outburst 1951
Period --
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Photometry in 1999ApJS..122..257L (V= 19.7; V-J= 7.8) is for the red star IPHAS J190740.03+102945.5 (g-r= 2.9; J-K= 2.45; BP-RP= 7.02). The GCVS (version Nov. 2020) and the Downes catalogue identify the nova as the bluer star IPHAS J190739.84+102943.2 (g= 20.2; g-r= 1.0), which is 4" to the SW. This object is also classified as variable in 2021A&A...648A..44M and was also detected as a transient by ZTF (ZTF19abciwnk). ZTF data showed a dwarf nova-like phase in 2019 June-August. Time-resolved data on 2018 Aug. 4 showed some degree of flickering (vsnet-chat #8805). The finding chart in 1987SSRv...45....1D does not have enough resolution to solve the two candidates.
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References
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1 Mowlavi, N.; et al., 2021, Large-amplitude variables in Gaia Data Release
2. Multi-band variability characterization		 2021A&A...648A..44M
2 T. Kato, 2021, vsnet-chat #8805 --
3 ZTF Catalog of Periodic Variable Stars (online data) 2020arXiv200508662C
4 Chen, X.; et al., 2020, The Zwicky Transient Facility Catalog of Periodic
Variable Stars		 2020arXiv200508662C
5 Masci, F. J.; et al., 2019, The Zwicky Transient Facility: Data Processing,
Products, and Archive		 2019PASP..131a8003M
6 R.A.Downes, 2001, PASP 113, 764 (2006 archival) 2005JAD....11....2D
7 R.A. Downes et al., 2001, PASP 113, 764 2001PASP..113..764D
8 Liu, W.; et al., 1999, Spectroscopic Confirmation of 55 Northern and
Equatorial Cataclysmic Variables. II. 28 Disproved and Suspected
Cataclysmic Variable Candidates		 1999ApJS..122..257L
9 Duerbeck, H. W., 1987, A Reference Catalogue and Atlas of Galactic Novae 1987SSRv...45....1D
10 ZTF (Lasair) observations, online data --
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Supporting Documents
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Revision History
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7 Otero, Sebastian Alberto 2021-10-25 21:24 UTC ZTF name from 2020arXiv200508662C added. Gaia EDR3 position.
6 Otero, Sebastian Alberto 2021-08-27 06:56 UTC Identification and type from vsnet-chat 8805. Gaia EDR3 position. Minimum magnitude from ZTF data.
5 Otero, Sebastian Alberto 2021-08-26 20:54 UTC Maximum magnitude from 1987SSRv...45....1D. Gaia EDR3 position.
4 Otero, Sebastian Alberto 2020-08-22 09:37 UTC Minimum magnitude from Pan-STARRS1. Gaia DR2 position.
3 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
2 Admin, VSX 2007-03-23 19:52 UTC Discoverer added.
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.

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