Exposure
ID
PIONI.2025-07-16T01:56:18.721_1
Header ID
PIONI.2025-07-16T01:56:18.721
Date updated
2025-07-16 02:01:09 UTC+0000
Release date
2025-07-16 01:56:18 UTC+0000
UTC Start
2025-07-16 01:56:18.721
UTC End
2025-07-16 01:56:44.321
MJD Start
60872.0807722295
MJD End
60872.0810685258
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002273
Ambient temperature (°C)
12.76
Seeing (arcsec)
0.89
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 83.5650 83.6380 103.8000 103.9000
A0-J2 121.5300 121.6230 79.1000 79.2000
A0-K0 123.9700 124.0270 56.9620 57.0640
G1-J2 57.4990 57.5120 41.6000 41.7000
G1-K0 90.4350 90.4330 14.5870 14.6670
J2-K0 47.1030 47.1120 340.9270 340.9820
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 60872.0807722295
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 83.565
HIERARCH ESO ISS PBL12 END 83.638
HIERARCH ESO ISS PBLA12 START 103.8
HIERARCH ESO ISS PBLA12 END 103.9
HIERARCH ESO ISS PBL13 START 121.53
HIERARCH ESO ISS PBL13 END 121.623
HIERARCH ESO ISS PBLA13 START 79.1
HIERARCH ESO ISS PBLA13 END 79.2
HIERARCH ESO ISS PBL14 START 123.97
HIERARCH ESO ISS PBL14 END 124.027
HIERARCH ESO ISS PBLA14 START 56.962
HIERARCH ESO ISS PBLA14 END 57.064
HIERARCH ESO ISS PBL23 START 57.499
HIERARCH ESO ISS PBL23 END 57.512
HIERARCH ESO ISS PBLA23 START 41.6
HIERARCH ESO ISS PBLA23 END 41.7
HIERARCH ESO ISS PBL24 START 90.435
HIERARCH ESO ISS PBL24 END 90.433
HIERARCH ESO ISS PBLA24 START 14.587
HIERARCH ESO ISS PBLA24 END 14.667
HIERARCH ESO ISS PBL34 START 47.103
HIERARCH ESO ISS PBL34 END 47.112
HIERARCH ESO ISS PBLA34 START 340.927
HIERARCH ESO ISS PBLA34 END 340.982
HIERARCH ESO ISS AMBI TAU0 START 0.002273
HIERARCH ESO ISS AMBI TAU0 END 0.002273
HIERARCH ESO ISS AMBI TEMP 12.76
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.89