Exposure
ID
GRAVI.2025-11-29T04:08:21.939_1
Header ID
GRAVI.2025-11-29T04:08:21.939
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 04:08:21.939
UTC End
2025-11-29 04:11:01.939
MJD Start
61008.17247615
MJD End
61008.174328001856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.014530999999999999
Ambient temperature (°C)
15.34
Seeing (arcsec)
0.705
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 48.1830 48.2340 143.1000 143.1000
A0-J2 91.8230 92.9860 89.9000 89.9000
A0-J6 144.9160 144.9700 2.4810 2.9790
B5-J2 73.8740 74.7940 58.3000 58.8000
B5-J6 184.6990 184.5730 352.9520 353.3270
J2-J6 167.9490 167.9630 329.3850 329.4260
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 61008.17247615
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 48.183
HIERARCH ESO ISS PBL12 END 48.234
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 91.823
HIERARCH ESO ISS PBL13 END 92.986
HIERARCH ESO ISS PBLA13 START 89.9
HIERARCH ESO ISS PBLA13 END 89.9
HIERARCH ESO ISS PBL14 START 144.916
HIERARCH ESO ISS PBL14 END 144.97
HIERARCH ESO ISS PBLA14 START 2.481
HIERARCH ESO ISS PBLA14 END 2.979
HIERARCH ESO ISS PBL23 START 73.874
HIERARCH ESO ISS PBL23 END 74.794
HIERARCH ESO ISS PBLA23 START 58.3
HIERARCH ESO ISS PBLA23 END 58.8
HIERARCH ESO ISS PBL24 START 184.699
HIERARCH ESO ISS PBL24 END 184.573
HIERARCH ESO ISS PBLA24 START 352.952
HIERARCH ESO ISS PBLA24 END 353.327
HIERARCH ESO ISS PBL34 START 167.949
HIERARCH ESO ISS PBL34 END 167.963
HIERARCH ESO ISS PBLA34 START 329.385
HIERARCH ESO ISS PBLA34 END 329.426
HIERARCH ESO ISS AMBI TAU0 START 0.015092
HIERARCH ESO ISS AMBI TAU0 END 0.01397
HIERARCH ESO ISS AMBI TEMP 15.34
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.72