Exposure
ID
GRAVI.2025-06-17T07:12:16.827_1
Header ID
GRAVI.2025-06-17T07:12:16.827
Date updated
2025-06-17 07:20:46 UTC+0000
Release date
2025-06-17 07:12:16 UTC+0000
UTC Start
2025-06-17 07:12:16.827
UTC End
2025-06-17 07:14:56.827
MJD Start
60843.30019476
MJD End
60843.302046611854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002511
Ambient temperature (°C)
7.04
Seeing (arcsec)
0.9199999999999999
Observation
ID
68145
Category
calibrator
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
50653
Name
eps_Sgr
RA
276.040029
DEC
-34.38532
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 87.7250 87.5470 132.2000 132.7000
A0-J2 120.3680 119.8890 109.0000 109.5000
A0-K0 116.0560 115.4760 85.5790 85.9760
G1-J2 52.6960 52.4480 68.0000 68.3000
G1-K0 84.7590 84.5540 36.7760 37.0090
J2-K0 48.1580 48.1540 2.2570 2.5870
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60843.30019476
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME eps Sgr
HIERARCH ESO INS SOBJ NAME eps_Sgr
RA 276.040029
DEC -34.38532
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 87.725
HIERARCH ESO ISS PBL12 END 87.547
HIERARCH ESO ISS PBLA12 START 132.2
HIERARCH ESO ISS PBLA12 END 132.7
HIERARCH ESO ISS PBL13 START 120.368
HIERARCH ESO ISS PBL13 END 119.889
HIERARCH ESO ISS PBLA13 START 109.0
HIERARCH ESO ISS PBLA13 END 109.5
HIERARCH ESO ISS PBL14 START 116.056
HIERARCH ESO ISS PBL14 END 115.476
HIERARCH ESO ISS PBLA14 START 85.579
HIERARCH ESO ISS PBLA14 END 85.976
HIERARCH ESO ISS PBL23 START 52.696
HIERARCH ESO ISS PBL23 END 52.448
HIERARCH ESO ISS PBLA23 START 68.0
HIERARCH ESO ISS PBLA23 END 68.3
HIERARCH ESO ISS PBL24 START 84.759
HIERARCH ESO ISS PBL24 END 84.554
HIERARCH ESO ISS PBLA24 START 36.776
HIERARCH ESO ISS PBLA24 END 37.009
HIERARCH ESO ISS PBL34 START 48.158
HIERARCH ESO ISS PBL34 END 48.154
HIERARCH ESO ISS PBLA34 START 2.257
HIERARCH ESO ISS PBLA34 END 2.587
HIERARCH ESO ISS AMBI TAU0 START 0.002512
HIERARCH ESO ISS AMBI TAU0 END 0.00251
HIERARCH ESO ISS AMBI TEMP 7.04
HIERARCH ESO ISS AMBI FWHM START 0.85
HIERARCH ESO ISS AMBI FWHM END 0.99