Exposure
ID
GRAVI.2025-08-24T03:43:21.420_1
Header ID
GRAVI.2025-08-24T03:43:21.420
Date updated
2025-08-24 03:50:43 UTC+0000
Release date
2026-08-24 03:50:42 UTC+0000
UTC Start
2025-08-24 03:43:21.420
UTC End
2025-08-24 03:46:01.420
MJD Start
60911.15510903
MJD End
60911.15696088185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003203
Ambient temperature (°C)
4.38
Seeing (arcsec)
0.7949999999999999
Observation
ID
70096
Category
science
Program ID
115.27VK.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
Target
ID
52009
Name
AX_Sgr
RA
272.109291
DEC
-18.55221
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 46.2370 46.2240 175.7000 176.2000
A0-J2 95.2140 94.2170 111.8000 112.3000
A0-J6 161.3910 160.9990 37.1660 37.2180
B5-J2 85.5820 84.6990 82.8000 83.0000
B5-J6 198.4170 198.1970 28.2880 28.4060
J2-J6 164.2920 164.3170 3.1780 3.5610
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60911.15510903
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME V AX Sgr
HIERARCH ESO INS SOBJ NAME AX_Sgr
RA 272.109291
DEC -18.55221
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 46.237
HIERARCH ESO ISS PBL12 END 46.224
HIERARCH ESO ISS PBLA12 START 175.7
HIERARCH ESO ISS PBLA12 END 176.2
HIERARCH ESO ISS PBL13 START 95.214
HIERARCH ESO ISS PBL13 END 94.217
HIERARCH ESO ISS PBLA13 START 111.8
HIERARCH ESO ISS PBLA13 END 112.3
HIERARCH ESO ISS PBL14 START 161.391
HIERARCH ESO ISS PBL14 END 160.999
HIERARCH ESO ISS PBLA14 START 37.166
HIERARCH ESO ISS PBLA14 END 37.218
HIERARCH ESO ISS PBL23 START 85.582
HIERARCH ESO ISS PBL23 END 84.699
HIERARCH ESO ISS PBLA23 START 82.8
HIERARCH ESO ISS PBLA23 END 83.0
HIERARCH ESO ISS PBL24 START 198.417
HIERARCH ESO ISS PBL24 END 198.197
HIERARCH ESO ISS PBLA24 START 28.288
HIERARCH ESO ISS PBLA24 END 28.406
HIERARCH ESO ISS PBL34 START 164.292
HIERARCH ESO ISS PBL34 END 164.317
HIERARCH ESO ISS PBLA34 START 3.178
HIERARCH ESO ISS PBLA34 END 3.561
HIERARCH ESO ISS AMBI TAU0 START 0.003043
HIERARCH ESO ISS AMBI TAU0 END 0.003363
HIERARCH ESO ISS AMBI TEMP 4.38
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.84