Exposure
ID
PIONI.2025-07-20T04:17:38.389_1
Header ID
PIONI.2025-07-20T04:17:38.389
Date updated
2025-07-20 04:25:39 UTC+0000
Release date
2025-07-20 04:17:38 UTC+0000
UTC Start
2025-07-20 04:17:38.389
UTC End
2025-07-20 04:18:03.989
MJD Start
60876.1789165386
MJD End
60876.1792128349
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002211
Ambient temperature (°C)
13.48
Seeing (arcsec)
1.17
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 89.8390 89.8190 124.8000 124.9000
A0-J2 126.2230 126.1640 101.9000 102.0000
A0-K0 123.1940 123.1200 79.6600 79.7380
G1-J2 55.7660 55.7330 63.1000 63.1000
G1-K0 87.3270 87.2990 32.8720 32.9280
J2-K0 48.1520 48.1530 357.2320 357.2990
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 60876.1789165386
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 89.839
HIERARCH ESO ISS PBL12 END 89.819
HIERARCH ESO ISS PBLA12 START 124.8
HIERARCH ESO ISS PBLA12 END 124.9
HIERARCH ESO ISS PBL13 START 126.223
HIERARCH ESO ISS PBL13 END 126.164
HIERARCH ESO ISS PBLA13 START 101.9
HIERARCH ESO ISS PBLA13 END 102.0
HIERARCH ESO ISS PBL14 START 123.194
HIERARCH ESO ISS PBL14 END 123.12
HIERARCH ESO ISS PBLA14 START 79.66
HIERARCH ESO ISS PBLA14 END 79.738
HIERARCH ESO ISS PBL23 START 55.766
HIERARCH ESO ISS PBL23 END 55.733
HIERARCH ESO ISS PBLA23 START 63.1
HIERARCH ESO ISS PBLA23 END 63.1
HIERARCH ESO ISS PBL24 START 87.327
HIERARCH ESO ISS PBL24 END 87.299
HIERARCH ESO ISS PBLA24 START 32.872
HIERARCH ESO ISS PBLA24 END 32.928
HIERARCH ESO ISS PBL34 START 48.152
HIERARCH ESO ISS PBL34 END 48.153
HIERARCH ESO ISS PBLA34 START 357.232
HIERARCH ESO ISS PBLA34 END 357.299
HIERARCH ESO ISS AMBI TAU0 START 0.002211
HIERARCH ESO ISS AMBI TAU0 END 0.002211
HIERARCH ESO ISS AMBI TEMP 13.48
HIERARCH ESO ISS AMBI FWHM START 1.17
HIERARCH ESO ISS AMBI FWHM END 1.17