2021RNAAS...5..244H

Query : 2021RNAAS...5..244H

2021RNAAS...5..244H - Research Notes of the AAS, 5, 244 (2021/October-0)

Second Timescale Photometry of the Very Fast Nova V1674 Her with Palomar Gattini-IR.

HANSEN K.Y., DE K., ASHLEY M.C.B., KASLIWAL M.M., DELACROIX A., GREFFE T., HALE D., HANKINS M.J., LAU R., LI C., McKENNA D., MOORE A.M., OFEK E.O., SMITH R.M., SOON J., SORIA R., SRINIVASARAGAVAN G.P. and TRAVOUILLON T.

Abstract (from CDS):

We report second-timescale infrared photometry of the nova V1674 Her using Palomar Gattini-IR (PGIR). These observations constitute the first infrared and highest temporal resolution data (resolution of ≈0.84 s) of the nova reported to date. PGIR observed in this fast readout mode for more than an hour on three nights between 3 and 6 days after discovery. We searched for periodic variability using a Lomb-Scargle periodogram and did not detect anything down to a three sigma upper limit of 0.093 mag. This suggests that the periodic variability detected in the nova by Patterson et al. was lower by at least a factor of about 1.65 in the first week of the eruption.

Abstract Copyright: © 2021. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Classical novae - Light curves - Time domain astronomy

Simbad objects: 1

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Number of rows : 1
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 NOVA Her 2021 No* 18 57 30.9832440660 +16 53 39.589542422           ~ 79 0

Query : 2021RNAAS...5..244H

Basic data :
NOVA Her 2021 -- Classical Nova
Other object types: otypes_help 		V* (TCP,V*), No* (NOVA), * (Gaia), ev (ZTF)
ICRS coord. (ep=J2000) : 		18 57 30.9832440660 +16 53 39.589542422 (Optical) [ 0.6154 0.8425 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		18 55 16.8550774276 +16 49 35.659362836 [ 0.6154 0.8425 90 ]
Gal coord. (ep=J2000) : 		048.7066223073791 +06.3112290547032 [ 0.6154 0.8425 90 ]
Proper motions mas/yr : 		-4.129 -4.675 [0.705 0.892 90] A 2020yCat.1350....0G
Fluxes (1) :
G 19.949957 [0.020570] C 2022yCat.1355....0G
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Identifiers (5) :
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NOVA Her 2021 V* V1674 Her Gaia DR3 4514092717838547584
TCP J18573095+1653396 ZTF19aasfsjq

References (79 between 1850 and 2026) (Total 79)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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V* V1674 Her Gaia DR3 4514092717838547584

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