Exposure
ID
PIONI.2025-07-22T03:54:09.499_1
Header ID
PIONI.2025-07-22T03:54:09.499
Date updated
2025-07-22 05:30:45 UTC+0000
Release date
2025-07-22 03:54:09 UTC+0000
UTC Start
2025-07-22 03:54:09.499
UTC End
2025-07-22 03:54:35.099
MJD Start
60878.1626099427
MJD End
60878.162906239
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.008367
Ambient temperature (°C)
14.02
Seeing (arcsec)
0.765
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 90.2560 90.2430 122.4000 122.5000
A0-J2 127.5660 127.5210 99.6000 99.6000
A0-K0 124.9210 124.8620 77.6100 77.6890
G1-J2 56.5320 56.5050 61.3000 61.4000
G1-K0 87.9980 87.9740 31.3600 31.4190
J2-K0 48.1270 48.1290 355.4920 355.5590
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 60878.1626099427
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 90.256
HIERARCH ESO ISS PBL12 END 90.243
HIERARCH ESO ISS PBLA12 START 122.4
HIERARCH ESO ISS PBLA12 END 122.5
HIERARCH ESO ISS PBL13 START 127.566
HIERARCH ESO ISS PBL13 END 127.521
HIERARCH ESO ISS PBLA13 START 99.6
HIERARCH ESO ISS PBLA13 END 99.6
HIERARCH ESO ISS PBL14 START 124.921
HIERARCH ESO ISS PBL14 END 124.862
HIERARCH ESO ISS PBLA14 START 77.61
HIERARCH ESO ISS PBLA14 END 77.689
HIERARCH ESO ISS PBL23 START 56.532
HIERARCH ESO ISS PBL23 END 56.505
HIERARCH ESO ISS PBLA23 START 61.3
HIERARCH ESO ISS PBLA23 END 61.4
HIERARCH ESO ISS PBL24 START 87.998
HIERARCH ESO ISS PBL24 END 87.974
HIERARCH ESO ISS PBLA24 START 31.36
HIERARCH ESO ISS PBLA24 END 31.419
HIERARCH ESO ISS PBL34 START 48.127
HIERARCH ESO ISS PBL34 END 48.129
HIERARCH ESO ISS PBLA34 START 355.492
HIERARCH ESO ISS PBLA34 END 355.559
HIERARCH ESO ISS AMBI TAU0 START 0.008367
HIERARCH ESO ISS AMBI TAU0 END 0.008367
HIERARCH ESO ISS AMBI TEMP 14.02
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 0.74