Exposure
ID
PIONI.2025-07-17T01:22:07.696_1
Header ID
PIONI.2025-07-17T01:22:07.696
Date updated
2025-07-17 01:30:53 UTC+0000
Release date
2025-07-17 01:22:07 UTC+0000
UTC Start
2025-07-17 01:22:07.696
UTC End
2025-07-17 01:22:33.296
MJD Start
60873.0570335221
MJD End
60873.057329818395
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006661
Ambient temperature (°C)
12.55
Seeing (arcsec)
0.72
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 79.3840 79.4760 100.1000 100.2000
A0-J2 116.1860 116.3040 74.2000 74.3000
A0-K0 120.6690 120.7410 51.5690 51.6810
G1-J2 56.7320 56.7490 36.4000 36.5000
G1-K0 90.4800 90.4800 10.4350 10.5190
J2-K0 46.6060 46.6170 338.2820 338.3330
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 60873.0570335221
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 79.384
HIERARCH ESO ISS PBL12 END 79.476
HIERARCH ESO ISS PBLA12 START 100.1
HIERARCH ESO ISS PBLA12 END 100.2
HIERARCH ESO ISS PBL13 START 116.186
HIERARCH ESO ISS PBL13 END 116.304
HIERARCH ESO ISS PBLA13 START 74.2
HIERARCH ESO ISS PBLA13 END 74.3
HIERARCH ESO ISS PBL14 START 120.669
HIERARCH ESO ISS PBL14 END 120.741
HIERARCH ESO ISS PBLA14 START 51.569
HIERARCH ESO ISS PBLA14 END 51.681
HIERARCH ESO ISS PBL23 START 56.732
HIERARCH ESO ISS PBL23 END 56.749
HIERARCH ESO ISS PBLA23 START 36.4
HIERARCH ESO ISS PBLA23 END 36.5
HIERARCH ESO ISS PBL24 START 90.48
HIERARCH ESO ISS PBL24 END 90.48
HIERARCH ESO ISS PBLA24 START 10.435
HIERARCH ESO ISS PBLA24 END 10.519
HIERARCH ESO ISS PBL34 START 46.606
HIERARCH ESO ISS PBL34 END 46.617
HIERARCH ESO ISS PBLA34 START 338.282
HIERARCH ESO ISS PBLA34 END 338.333
HIERARCH ESO ISS AMBI TAU0 START 0.006661
HIERARCH ESO ISS AMBI TAU0 END 0.006661
HIERARCH ESO ISS AMBI TEMP 12.55
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.71