Exposure
ID
PIONI.2025-07-25T07:00:09.876_1
Header ID
PIONI.2025-07-25T07:00:09.876
Date updated
2025-07-25 07:05:43 UTC+0000
Release date
2025-07-25 07:00:09 UTC+0000
UTC Start
2025-07-25 07:00:09.876
UTC End
2025-07-25 07:00:35.476
MJD Start
60881.2917809733
MJD End
60881.292077269594
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003723
Ambient temperature (°C)
12.11
Seeing (arcsec)
0.62
Observation
ID
68969
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 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.9570 24.9570 180.0000 180.1000
A0-D0 19.2630 19.2100 108.2000 108.4000
A0-C1 19.6160 19.6080 161.8680 162.0210
B2-D0 26.3230 26.2900 44.0000 44.0000
B2-C1 8.7720 8.7610 43.9620 43.9740
D0-C1 17.5510 17.5300 224.0240 224.0370
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 60881.2917809733
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 24.957
HIERARCH ESO ISS PBL12 END 24.957
HIERARCH ESO ISS PBLA12 START 180.0
HIERARCH ESO ISS PBLA12 END 180.1
HIERARCH ESO ISS PBL13 START 19.263
HIERARCH ESO ISS PBL13 END 19.21
HIERARCH ESO ISS PBLA13 START 108.2
HIERARCH ESO ISS PBLA13 END 108.4
HIERARCH ESO ISS PBL14 START 19.616
HIERARCH ESO ISS PBL14 END 19.608
HIERARCH ESO ISS PBLA14 START 161.868
HIERARCH ESO ISS PBLA14 END 162.021
HIERARCH ESO ISS PBL23 START 26.323
HIERARCH ESO ISS PBL23 END 26.29
HIERARCH ESO ISS PBLA23 START 44.0
HIERARCH ESO ISS PBLA23 END 44.0
HIERARCH ESO ISS PBL24 START 8.772
HIERARCH ESO ISS PBL24 END 8.761
HIERARCH ESO ISS PBLA24 START 43.962
HIERARCH ESO ISS PBLA24 END 43.974
HIERARCH ESO ISS PBL34 START 17.551
HIERARCH ESO ISS PBL34 END 17.53
HIERARCH ESO ISS PBLA34 START 224.024
HIERARCH ESO ISS PBLA34 END 224.037
HIERARCH ESO ISS AMBI TAU0 START 0.003723
HIERARCH ESO ISS AMBI TAU0 END 0.003723
HIERARCH ESO ISS AMBI TEMP 12.11
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.62