Exposure
ID
PIONI.2025-08-15T02:59:13.390_1
Header ID
PIONI.2025-08-15T02:59:13.390
Date updated
2025-08-15 03:05:30 UTC+0000
Release date
2025-08-15 02:59:13 UTC+0000
UTC Start
2025-08-15 02:59:13.390
UTC End
2025-08-15 02:59:38.990
MJD Start
60902.1244605309
MJD End
60902.124756827194
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002026
Ambient temperature (°C)
10.92
Seeing (arcsec)
1.49
Observation
ID
70016
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
51947
Name
eps Sgr
RA
276.04272
DEC
-34.38532
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 65.2040 65.1610 284.3000 284.4000
K0-D0 89.8480 89.7760 262.8000 262.9000
K0-J3 56.5320 56.5330 343.3750 343.4560
G2-D0 37.7250 37.7060 223.5000 223.5000
G2-J3 60.5010 60.4630 50.9950 51.0510
D0-J3 98.0250 97.9680 48.1020 48.1560
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 60902.1244605309
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.04272
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 65.204
HIERARCH ESO ISS PBL12 END 65.161
HIERARCH ESO ISS PBLA12 START 284.3
HIERARCH ESO ISS PBLA12 END 284.4
HIERARCH ESO ISS PBL13 START 89.848
HIERARCH ESO ISS PBL13 END 89.776
HIERARCH ESO ISS PBLA13 START 262.8
HIERARCH ESO ISS PBLA13 END 262.9
HIERARCH ESO ISS PBL14 START 56.532
HIERARCH ESO ISS PBL14 END 56.533
HIERARCH ESO ISS PBLA14 START 343.375
HIERARCH ESO ISS PBLA14 END 343.456
HIERARCH ESO ISS PBL23 START 37.725
HIERARCH ESO ISS PBL23 END 37.706
HIERARCH ESO ISS PBLA23 START 223.5
HIERARCH ESO ISS PBLA23 END 223.5
HIERARCH ESO ISS PBL24 START 60.501
HIERARCH ESO ISS PBL24 END 60.463
HIERARCH ESO ISS PBLA24 START 50.995
HIERARCH ESO ISS PBLA24 END 51.051
HIERARCH ESO ISS PBL34 START 98.025
HIERARCH ESO ISS PBL34 END 97.968
HIERARCH ESO ISS PBLA34 START 48.102
HIERARCH ESO ISS PBLA34 END 48.156
HIERARCH ESO ISS AMBI TAU0 START 0.002026
HIERARCH ESO ISS AMBI TAU0 END 0.002026
HIERARCH ESO ISS AMBI TEMP 10.92
HIERARCH ESO ISS AMBI FWHM START 1.49
HIERARCH ESO ISS AMBI FWHM END 1.49