Exposure
ID
GRAVI.2025-11-29T04:18:18.964_1
Header ID
GRAVI.2025-11-29T04:18:18.964
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 04:18:18.964
UTC End
2025-11-29 04:20:58.964
MJD Start
61008.17938616
MJD End
61008.18123801186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0147525
Ambient temperature (°C)
15.2
Seeing (arcsec)
0.755
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 48.3440 48.3850 143.0000 143.0000
A0-J2 95.6840 96.7940 90.0000 90.1000
A0-J6 145.1370 145.2240 4.1560 4.6500
B5-J2 76.9590 77.8630 59.9000 60.3000
B5-J6 184.3010 184.1970 354.2160 354.5940
J2-J6 167.9670 167.9570 329.5390 329.5940
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 61008.17938616
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 48.344
HIERARCH ESO ISS PBL12 END 48.385
HIERARCH ESO ISS PBLA12 START 143.0
HIERARCH ESO ISS PBLA12 END 143.0
HIERARCH ESO ISS PBL13 START 95.684
HIERARCH ESO ISS PBL13 END 96.794
HIERARCH ESO ISS PBLA13 START 90.0
HIERARCH ESO ISS PBLA13 END 90.1
HIERARCH ESO ISS PBL14 START 145.137
HIERARCH ESO ISS PBL14 END 145.224
HIERARCH ESO ISS PBLA14 START 4.156
HIERARCH ESO ISS PBLA14 END 4.65
HIERARCH ESO ISS PBL23 START 76.959
HIERARCH ESO ISS PBL23 END 77.863
HIERARCH ESO ISS PBLA23 START 59.9
HIERARCH ESO ISS PBLA23 END 60.3
HIERARCH ESO ISS PBL24 START 184.301
HIERARCH ESO ISS PBL24 END 184.197
HIERARCH ESO ISS PBLA24 START 354.216
HIERARCH ESO ISS PBLA24 END 354.594
HIERARCH ESO ISS PBL34 START 167.967
HIERARCH ESO ISS PBL34 END 167.957
HIERARCH ESO ISS PBLA34 START 329.539
HIERARCH ESO ISS PBLA34 END 329.594
HIERARCH ESO ISS AMBI TAU0 START 0.013946
HIERARCH ESO ISS AMBI TAU0 END 0.015559
HIERARCH ESO ISS AMBI TEMP 15.2
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 0.72