Exposure
ID
GRAVI.2025-04-28T08:04:11.611_1
Header ID
GRAVI.2025-04-28T08:04:11.611
Date updated
2025-04-28 08:15:44 UTC+0000
Release date
2026-04-28 08:15:44 UTC+0000
UTC Start
2025-04-28 08:04:11.611
UTC End
2025-04-28 08:06:51.611
MJD Start
60793.3362455
MJD End
60793.33809735186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0065255
Ambient temperature (°C)
12.52
Seeing (arcsec)
0.27
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 90.4600 90.4870 114.2000 114.4000
A0-J2 128.8000 128.9200 91.1000 91.4000
A0-K0 127.1110 127.2730 69.3160 69.5680
G1-J2 57.7250 57.7970 53.3000 53.5000
G1-K0 89.6930 89.7510 23.9460 24.2530
J2-K0 48.4600 48.4490 348.2630 348.5490
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 60793.3362455
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 90.46
HIERARCH ESO ISS PBL12 END 90.487
HIERARCH ESO ISS PBLA12 START 114.2
HIERARCH ESO ISS PBLA12 END 114.4
HIERARCH ESO ISS PBL13 START 128.8
HIERARCH ESO ISS PBL13 END 128.92
HIERARCH ESO ISS PBLA13 START 91.1
HIERARCH ESO ISS PBLA13 END 91.4
HIERARCH ESO ISS PBL14 START 127.111
HIERARCH ESO ISS PBL14 END 127.273
HIERARCH ESO ISS PBLA14 START 69.316
HIERARCH ESO ISS PBLA14 END 69.568
HIERARCH ESO ISS PBL23 START 57.725
HIERARCH ESO ISS PBL23 END 57.797
HIERARCH ESO ISS PBLA23 START 53.3
HIERARCH ESO ISS PBLA23 END 53.5
HIERARCH ESO ISS PBL24 START 89.693
HIERARCH ESO ISS PBL24 END 89.751
HIERARCH ESO ISS PBLA24 START 23.946
HIERARCH ESO ISS PBLA24 END 24.253
HIERARCH ESO ISS PBL34 START 48.46
HIERARCH ESO ISS PBL34 END 48.449
HIERARCH ESO ISS PBLA34 START 348.263
HIERARCH ESO ISS PBLA34 END 348.549
HIERARCH ESO ISS AMBI TAU0 START 0.006102
HIERARCH ESO ISS AMBI TAU0 END 0.006949
HIERARCH ESO ISS AMBI TEMP 12.52
HIERARCH ESO ISS AMBI FWHM START 0.27
HIERARCH ESO ISS AMBI FWHM END 0.27