Exposure
ID
PIONI.2025-09-26T00:00:31.671_1
Header ID
PIONI.2025-09-26T00:00:31.671
Date updated
2025-09-26 00:10:44 UTC+0000
Release date
2025-09-26 00:00:31 UTC+0000
UTC Start
2025-09-26 00:00:31.671
UTC End
2025-09-26 00:00:57.271
MJD Start
60944.0003665569
MJD End
60944.0006628532
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0047895
Ambient temperature (°C)
15.25
Seeing (arcsec)
0.9950000000000001
Observation
ID
70512
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
52266
Name
eps Sgr
RA
276.041372
DEC
-34.38533
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 89.4680 89.4440 126.4000 126.5000
A0-J2 125.1380 125.0700 103.4000 103.5000
A0-K0 121.8450 121.7610 80.9990 81.0780
G1-J2 55.1780 55.1420 64.2000 64.3000
G1-K0 86.8250 86.7950 33.8170 33.8720
J2-K0 48.1620 48.1620 358.3740 358.4410
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 60944.0003665569
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.041372
DEC -34.38533
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 89.468
HIERARCH ESO ISS PBL12 END 89.444
HIERARCH ESO ISS PBLA12 START 126.4
HIERARCH ESO ISS PBLA12 END 126.5
HIERARCH ESO ISS PBL13 START 125.138
HIERARCH ESO ISS PBL13 END 125.07
HIERARCH ESO ISS PBLA13 START 103.4
HIERARCH ESO ISS PBLA13 END 103.5
HIERARCH ESO ISS PBL14 START 121.845
HIERARCH ESO ISS PBL14 END 121.761
HIERARCH ESO ISS PBLA14 START 80.999
HIERARCH ESO ISS PBLA14 END 81.078
HIERARCH ESO ISS PBL23 START 55.178
HIERARCH ESO ISS PBL23 END 55.142
HIERARCH ESO ISS PBLA23 START 64.2
HIERARCH ESO ISS PBLA23 END 64.3
HIERARCH ESO ISS PBL24 START 86.825
HIERARCH ESO ISS PBL24 END 86.795
HIERARCH ESO ISS PBLA24 START 33.817
HIERARCH ESO ISS PBLA24 END 33.872
HIERARCH ESO ISS PBL34 START 48.162
HIERARCH ESO ISS PBL34 END 48.162
HIERARCH ESO ISS PBLA34 START 358.374
HIERARCH ESO ISS PBLA34 END 358.441
HIERARCH ESO ISS AMBI TAU0 START 0.004318
HIERARCH ESO ISS AMBI TAU0 END 0.005261
HIERARCH ESO ISS AMBI TEMP 15.25
HIERARCH ESO ISS AMBI FWHM START 1.07
HIERARCH ESO ISS AMBI FWHM END 0.92