Exposure
ID
GRAVI.2025-11-29T04:05:06.931_1
Header ID
GRAVI.2025-11-29T04:05:06.931
Date updated
2025-11-29 04:16:05 UTC+0000
Release date
2026-11-29 04:16:05 UTC+0000
UTC Start
2025-11-29 04:05:06.931
UTC End
2025-11-29 04:07:46.931
MJD Start
61008.17021911
MJD End
61008.17207096185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.015511500000000001
Ambient temperature (°C)
15.38
Seeing (arcsec)
0.685
Observation
ID
71892
Category
science
Program ID
116.28P0.001
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG / ERCOLINO / JANIK
Target
ID
53373
Name
V_V926_Mon
RA
105.52693
DEC
-3.75484
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 48.1240 48.1780 143.1000 143.1000
A0-J2 90.5240 91.7030 89.8000 89.8000
A0-J6 144.8680 144.9110 1.9320 2.4310
B5-J2 72.8550 73.7800 57.8000 58.3000
B5-J6 184.8450 184.7120 352.5430 352.9150
J2-J6 167.9260 167.9480 329.3440 329.3810
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28P0.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 61008.17021911
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME V V926 Mon
HIERARCH ESO INS SOBJ NAME V_V926_Mon
RA 105.52693
DEC -3.75484
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 48.124
HIERARCH ESO ISS PBL12 END 48.178
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 90.524
HIERARCH ESO ISS PBL13 END 91.703
HIERARCH ESO ISS PBLA13 START 89.8
HIERARCH ESO ISS PBLA13 END 89.8
HIERARCH ESO ISS PBL14 START 144.868
HIERARCH ESO ISS PBL14 END 144.911
HIERARCH ESO ISS PBLA14 START 1.932
HIERARCH ESO ISS PBLA14 END 2.431
HIERARCH ESO ISS PBL23 START 72.855
HIERARCH ESO ISS PBL23 END 73.78
HIERARCH ESO ISS PBLA23 START 57.8
HIERARCH ESO ISS PBLA23 END 58.3
HIERARCH ESO ISS PBL24 START 184.845
HIERARCH ESO ISS PBL24 END 184.712
HIERARCH ESO ISS PBLA24 START 352.543
HIERARCH ESO ISS PBLA24 END 352.915
HIERARCH ESO ISS PBL34 START 167.926
HIERARCH ESO ISS PBL34 END 167.948
HIERARCH ESO ISS PBLA34 START 329.344
HIERARCH ESO ISS PBLA34 END 329.381
HIERARCH ESO ISS AMBI TAU0 START 0.015931
HIERARCH ESO ISS AMBI TAU0 END 0.015092
HIERARCH ESO ISS AMBI TEMP 15.38
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.69