Exposure
ID
GRAVI.2025-11-29T04:15:03.956_1
Header ID
GRAVI.2025-11-29T04:15:03.956
Date updated
2025-11-29 04:26:01 UTC+0000
Release date
2026-11-29 04:26:00 UTC+0000
UTC Start
2025-11-29 04:15:03.956
UTC End
2025-11-29 04:17:43.956
MJD Start
61008.17712912
MJD End
61008.178980971854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.013225500000000001
Ambient temperature (°C)
15.24
Seeing (arcsec)
0.74
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 48.2950 48.3400 143.0000 143.0000
A0-J2 94.4420 95.5700 90.0000 90.0000
A0-J6 145.0530 145.1290 3.6100 4.1060
B5-J2 75.9580 76.8670 59.4000 59.9000
B5-J6 184.4230 184.3120 353.8010 354.1780
J2-J6 167.9700 167.9680 329.4840 329.5340
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 61008.17712912
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 48.295
HIERARCH ESO ISS PBL12 END 48.34
HIERARCH ESO ISS PBLA12 START 143.0
HIERARCH ESO ISS PBLA12 END 143.0
HIERARCH ESO ISS PBL13 START 94.442
HIERARCH ESO ISS PBL13 END 95.57
HIERARCH ESO ISS PBLA13 START 90.0
HIERARCH ESO ISS PBLA13 END 90.0
HIERARCH ESO ISS PBL14 START 145.053
HIERARCH ESO ISS PBL14 END 145.129
HIERARCH ESO ISS PBLA14 START 3.61
HIERARCH ESO ISS PBLA14 END 4.106
HIERARCH ESO ISS PBL23 START 75.958
HIERARCH ESO ISS PBL23 END 76.867
HIERARCH ESO ISS PBLA23 START 59.4
HIERARCH ESO ISS PBLA23 END 59.9
HIERARCH ESO ISS PBL24 START 184.423
HIERARCH ESO ISS PBL24 END 184.312
HIERARCH ESO ISS PBLA24 START 353.801
HIERARCH ESO ISS PBLA24 END 354.178
HIERARCH ESO ISS PBL34 START 167.97
HIERARCH ESO ISS PBL34 END 167.968
HIERARCH ESO ISS PBLA34 START 329.484
HIERARCH ESO ISS PBLA34 END 329.534
HIERARCH ESO ISS AMBI TAU0 START 0.012505
HIERARCH ESO ISS AMBI TAU0 END 0.013946
HIERARCH ESO ISS AMBI TEMP 15.24
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.79