Exposure
ID
GRAVI.2025-04-28T07:50:53.578_1
Header ID
GRAVI.2025-04-28T07:50:53.578
Date updated
2025-04-28 08:05:45 UTC+0000
Release date
2026-04-28 08:05:45 UTC+0000
UTC Start
2025-04-28 07:50:53.578
UTC End
2025-04-28 07:53:33.578
MJD Start
60793.327009
MJD End
60793.328860851856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.005799
Ambient temperature (°C)
12.56
Seeing (arcsec)
0.275
Observation
ID
67032
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
49840
Name
AX_Sgr
RA
272.10812
DEC
-18.55221
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.1940 90.2730 113.2000 113.4000
A0-J2 128.0180 128.2260 90.1000 90.3000
A0-K0 126.1760 126.4130 68.0810 68.3600
G1-J2 57.3340 57.4300 51.9000 52.2000
G1-K0 89.4120 89.4760 22.4560 22.7920
J2-K0 48.5070 48.4970 346.9380 347.2270
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 60793.327009
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME V AX Sgr
HIERARCH ESO INS SOBJ NAME AX_Sgr
RA 272.10812
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 90.194
HIERARCH ESO ISS PBL12 END 90.273
HIERARCH ESO ISS PBLA12 START 113.2
HIERARCH ESO ISS PBLA12 END 113.4
HIERARCH ESO ISS PBL13 START 128.018
HIERARCH ESO ISS PBL13 END 128.226
HIERARCH ESO ISS PBLA13 START 90.1
HIERARCH ESO ISS PBLA13 END 90.3
HIERARCH ESO ISS PBL14 START 126.176
HIERARCH ESO ISS PBL14 END 126.413
HIERARCH ESO ISS PBLA14 START 68.081
HIERARCH ESO ISS PBLA14 END 68.36
HIERARCH ESO ISS PBL23 START 57.334
HIERARCH ESO ISS PBL23 END 57.43
HIERARCH ESO ISS PBLA23 START 51.9
HIERARCH ESO ISS PBLA23 END 52.2
HIERARCH ESO ISS PBL24 START 89.412
HIERARCH ESO ISS PBL24 END 89.476
HIERARCH ESO ISS PBLA24 START 22.456
HIERARCH ESO ISS PBLA24 END 22.792
HIERARCH ESO ISS PBL34 START 48.507
HIERARCH ESO ISS PBL34 END 48.497
HIERARCH ESO ISS PBLA34 START 346.938
HIERARCH ESO ISS PBLA34 END 347.227
HIERARCH ESO ISS AMBI TAU0 START 0.00613
HIERARCH ESO ISS AMBI TAU0 END 0.005468
HIERARCH ESO ISS AMBI TEMP 12.56
HIERARCH ESO ISS AMBI FWHM START 0.25
HIERARCH ESO ISS AMBI FWHM END 0.3