Exposure
ID
PIONI.2025-10-09T01:15:27.240_1
Header ID
PIONI.2025-10-09T01:15:27.240
Date updated
2025-10-09 01:20:44 UTC+0000
Release date
2026-10-09 01:20:44 UTC+0000
UTC Start
2025-10-09 01:15:27.240
UTC End
2025-10-09 01:16:05.640
MJD Start
60957.0523986137
MJD End
60957.05284305814
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0044395
Ambient temperature (°C)
13.29
Seeing (arcsec)
0.765
Observation
ID
70863
Category
science
Program ID
115.2ANQ.001
Program Title
MAPPING THE EXPLOSION OF NOVA V7994 SGR
Program Type
ToO
PI / COI
MEILLAND / MILLOUR / OTULAKOWSKA-HYPKA / NARDETTO / SPANG
Target
ID
52309
Name
V7994 Sgr
RA
270.96853
DEC
-31.45739
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 77.8940 77.8360 154.8000 155.0000
A0-J2 94.2210 94.0190 130.3000 130.5000
A0-K0 84.8570 84.5750 99.6760 99.8130
G1-J2 39.9470 39.8240 76.1000 76.2000
G1-K0 75.6030 75.5030 41.9410 41.9620
J2-K0 48.0910 48.0860 14.1450 14.2240
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.2ANQ.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60957.0523986137
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V7994 Sgr
RA 270.96853
DEC -31.45739
HIERARCH ESO INS OPTI2 NAME GRISM
HIERARCH ESO INS OPTI2 ID GRISM
HIERARCH ESO INS FILT1 NAME H
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 77.894
HIERARCH ESO ISS PBL12 END 77.836
HIERARCH ESO ISS PBLA12 START 154.8
HIERARCH ESO ISS PBLA12 END 155.0
HIERARCH ESO ISS PBL13 START 94.221
HIERARCH ESO ISS PBL13 END 94.019
HIERARCH ESO ISS PBLA13 START 130.3
HIERARCH ESO ISS PBLA13 END 130.5
HIERARCH ESO ISS PBL14 START 84.857
HIERARCH ESO ISS PBL14 END 84.575
HIERARCH ESO ISS PBLA14 START 99.676
HIERARCH ESO ISS PBLA14 END 99.813
HIERARCH ESO ISS PBL23 START 39.947
HIERARCH ESO ISS PBL23 END 39.824
HIERARCH ESO ISS PBLA23 START 76.1
HIERARCH ESO ISS PBLA23 END 76.2
HIERARCH ESO ISS PBL24 START 75.603
HIERARCH ESO ISS PBL24 END 75.503
HIERARCH ESO ISS PBLA24 START 41.941
HIERARCH ESO ISS PBLA24 END 41.962
HIERARCH ESO ISS PBL34 START 48.091
HIERARCH ESO ISS PBL34 END 48.086
HIERARCH ESO ISS PBLA34 START 14.145
HIERARCH ESO ISS PBLA34 END 14.224
HIERARCH ESO ISS AMBI TAU0 START 0.004344
HIERARCH ESO ISS AMBI TAU0 END 0.004535
HIERARCH ESO ISS AMBI TEMP 13.29
HIERARCH ESO ISS AMBI FWHM START 0.74
HIERARCH ESO ISS AMBI FWHM END 0.79