Exposure
ID
PIONI.2025-07-17T01:38:40.790_1
Header ID
PIONI.2025-07-17T01:38:40.790
Date updated
2025-07-17 01:45:42 UTC+0000
Release date
2025-07-17 01:38:40 UTC+0000
UTC Start
2025-07-17 01:38:40.790
UTC End
2025-07-17 01:39:06.390
MJD Start
60873.0685276585
MJD End
60873.068823954796
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0063075
Ambient temperature (°C)
13.28
Seeing (arcsec)
0.675
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 81.7940 81.8760 102.1000 102.2000
A0-J2 119.2640 119.3690 76.9000 77.0000
A0-K0 122.5680 122.6330 54.5820 54.6880
G1-J2 57.1750 57.1900 39.3000 39.4000
G1-K0 90.4640 90.4630 12.7240 12.8070
J2-K0 46.8940 46.9040 339.7030 339.7560
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 60873.0685276585
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 81.794
HIERARCH ESO ISS PBL12 END 81.876
HIERARCH ESO ISS PBLA12 START 102.1
HIERARCH ESO ISS PBLA12 END 102.2
HIERARCH ESO ISS PBL13 START 119.264
HIERARCH ESO ISS PBL13 END 119.369
HIERARCH ESO ISS PBLA13 START 76.9
HIERARCH ESO ISS PBLA13 END 77.0
HIERARCH ESO ISS PBL14 START 122.568
HIERARCH ESO ISS PBL14 END 122.633
HIERARCH ESO ISS PBLA14 START 54.582
HIERARCH ESO ISS PBLA14 END 54.688
HIERARCH ESO ISS PBL23 START 57.175
HIERARCH ESO ISS PBL23 END 57.19
HIERARCH ESO ISS PBLA23 START 39.3
HIERARCH ESO ISS PBLA23 END 39.4
HIERARCH ESO ISS PBL24 START 90.464
HIERARCH ESO ISS PBL24 END 90.463
HIERARCH ESO ISS PBLA24 START 12.724
HIERARCH ESO ISS PBLA24 END 12.807
HIERARCH ESO ISS PBL34 START 46.894
HIERARCH ESO ISS PBL34 END 46.904
HIERARCH ESO ISS PBLA34 START 339.703
HIERARCH ESO ISS PBLA34 END 339.756
HIERARCH ESO ISS AMBI TAU0 START 0.006108
HIERARCH ESO ISS AMBI TAU0 END 0.006507
HIERARCH ESO ISS AMBI TEMP 13.28
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.66