Exposure
ID
GRAVI.2025-04-28T08:00:53.603_1
Header ID
GRAVI.2025-04-28T08:00:53.603
Date updated
2025-04-28 08:10:47 UTC+0000
Release date
2026-04-28 08:10:46 UTC+0000
UTC Start
2025-04-28 08:00:53.603
UTC End
2025-04-28 08:03:33.603
MJD Start
60793.33395374
MJD End
60793.33580559186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.005766
Ambient temperature (°C)
12.56
Seeing (arcsec)
0.28
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 90.4160 90.4560 113.9000 114.2000
A0-J2 128.6430 128.7850 90.9000 91.1000
A0-K0 126.9110 127.0910 69.0100 69.2860
G1-J2 57.6380 57.7170 52.9000 53.2000
G1-K0 89.6260 89.6860 23.5770 23.9100
J2-K0 48.4710 48.4610 347.9250 348.2300
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 60793.33395374
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 90.416
HIERARCH ESO ISS PBL12 END 90.456
HIERARCH ESO ISS PBLA12 START 113.9
HIERARCH ESO ISS PBLA12 END 114.2
HIERARCH ESO ISS PBL13 START 128.643
HIERARCH ESO ISS PBL13 END 128.785
HIERARCH ESO ISS PBLA13 START 90.9
HIERARCH ESO ISS PBLA13 END 91.1
HIERARCH ESO ISS PBL14 START 126.911
HIERARCH ESO ISS PBL14 END 127.091
HIERARCH ESO ISS PBLA14 START 69.01
HIERARCH ESO ISS PBLA14 END 69.286
HIERARCH ESO ISS PBL23 START 57.638
HIERARCH ESO ISS PBL23 END 57.717
HIERARCH ESO ISS PBLA23 START 52.9
HIERARCH ESO ISS PBLA23 END 53.2
HIERARCH ESO ISS PBL24 START 89.626
HIERARCH ESO ISS PBL24 END 89.686
HIERARCH ESO ISS PBLA24 START 23.577
HIERARCH ESO ISS PBLA24 END 23.91
HIERARCH ESO ISS PBL34 START 48.471
HIERARCH ESO ISS PBL34 END 48.461
HIERARCH ESO ISS PBLA34 START 347.925
HIERARCH ESO ISS PBLA34 END 348.23
HIERARCH ESO ISS AMBI TAU0 START 0.005122
HIERARCH ESO ISS AMBI TAU0 END 0.00641
HIERARCH ESO ISS AMBI TEMP 12.56
HIERARCH ESO ISS AMBI FWHM START 0.31
HIERARCH ESO ISS AMBI FWHM END 0.25