Exposure
ID
PIONI.2025-07-16T01:56:56.017_1
Header ID
PIONI.2025-07-16T01:56:56.017
Date updated
2025-07-16 02:01:09 UTC+0000
Release date
2025-07-16 01:56:56 UTC+0000
UTC Start
2025-07-16 01:56:56.017
UTC End
2025-07-16 01:57:21.617
MJD Start
60872.0812039007
MJD End
60872.081500197
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002273
Ambient temperature (°C)
12.75
Seeing (arcsec)
0.89
Observation
ID
68808
Category
calibrator
Program ID
115.27VC.001
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: IMAGING THE RED SUPERGIANT VX SAGITARII WITH VLTI AND ALMA
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / KRTICKA / PALADINI / HÖFNER / FREYTAG / HUMPHREYS
Target
ID
51193
Name
eps Sgr
RA
276.041374
DEC
-34.38532
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 83.6420 83.7140 103.9000 104.0000
A0-J2 121.6280 121.7210 79.2000 79.2000
A0-K0 124.0300 124.0880 57.0700 57.1720
G1-J2 57.5130 57.5260 41.7000 41.8000
G1-K0 90.4330 90.4320 14.6720 14.7530
J2-K0 47.1130 47.1210 340.9850 341.0390
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VC.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60872.0812039007
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.041374
DEC -34.38532
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 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 83.642
HIERARCH ESO ISS PBL12 END 83.714
HIERARCH ESO ISS PBLA12 START 103.9
HIERARCH ESO ISS PBLA12 END 104.0
HIERARCH ESO ISS PBL13 START 121.628
HIERARCH ESO ISS PBL13 END 121.721
HIERARCH ESO ISS PBLA13 START 79.2
HIERARCH ESO ISS PBLA13 END 79.2
HIERARCH ESO ISS PBL14 START 124.03
HIERARCH ESO ISS PBL14 END 124.088
HIERARCH ESO ISS PBLA14 START 57.07
HIERARCH ESO ISS PBLA14 END 57.172
HIERARCH ESO ISS PBL23 START 57.513
HIERARCH ESO ISS PBL23 END 57.526
HIERARCH ESO ISS PBLA23 START 41.7
HIERARCH ESO ISS PBLA23 END 41.8
HIERARCH ESO ISS PBL24 START 90.433
HIERARCH ESO ISS PBL24 END 90.432
HIERARCH ESO ISS PBLA24 START 14.672
HIERARCH ESO ISS PBLA24 END 14.753
HIERARCH ESO ISS PBL34 START 47.113
HIERARCH ESO ISS PBL34 END 47.121
HIERARCH ESO ISS PBLA34 START 340.985
HIERARCH ESO ISS PBLA34 END 341.039
HIERARCH ESO ISS AMBI TAU0 START 0.002273
HIERARCH ESO ISS AMBI TAU0 END 0.002273
HIERARCH ESO ISS AMBI TEMP 12.75
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.89