Exposure
ID
PIONI.2025-10-09T01:12:56.030_1
Header ID
PIONI.2025-10-09T01:12:56.030
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 01:12:56.030
UTC End
2025-10-09 01:13:34.430
MJD Start
60957.0506485007
MJD End
60957.05109294514
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.003762
Ambient temperature (°C)
13.29
Seeing (arcsec)
0.79
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 78.0810 78.0200 154.2000 154.4000
A0-J2 94.8590 94.6530 129.6000 129.8000
A0-K0 85.7460 85.4600 99.2450 99.3810
G1-J2 40.3340 40.2090 75.9000 76.0000
G1-K0 75.9150 75.8150 41.8730 41.8940
J2-K0 48.1080 48.1030 13.8940 13.9730
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 60957.0506485007
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 78.081
HIERARCH ESO ISS PBL12 END 78.02
HIERARCH ESO ISS PBLA12 START 154.2
HIERARCH ESO ISS PBLA12 END 154.4
HIERARCH ESO ISS PBL13 START 94.859
HIERARCH ESO ISS PBL13 END 94.653
HIERARCH ESO ISS PBLA13 START 129.6
HIERARCH ESO ISS PBLA13 END 129.8
HIERARCH ESO ISS PBL14 START 85.746
HIERARCH ESO ISS PBL14 END 85.46
HIERARCH ESO ISS PBLA14 START 99.245
HIERARCH ESO ISS PBLA14 END 99.381
HIERARCH ESO ISS PBL23 START 40.334
HIERARCH ESO ISS PBL23 END 40.209
HIERARCH ESO ISS PBLA23 START 75.9
HIERARCH ESO ISS PBLA23 END 76.0
HIERARCH ESO ISS PBL24 START 75.915
HIERARCH ESO ISS PBL24 END 75.815
HIERARCH ESO ISS PBLA24 START 41.873
HIERARCH ESO ISS PBLA24 END 41.894
HIERARCH ESO ISS PBL34 START 48.108
HIERARCH ESO ISS PBL34 END 48.103
HIERARCH ESO ISS PBLA34 START 13.894
HIERARCH ESO ISS PBLA34 END 13.973
HIERARCH ESO ISS AMBI TAU0 START 0.003762
HIERARCH ESO ISS AMBI TAU0 END 0.003762
HIERARCH ESO ISS AMBI TEMP 13.29
HIERARCH ESO ISS AMBI FWHM START 0.84
HIERARCH ESO ISS AMBI FWHM END 0.74