Exposure
ID
GRAVI.2025-08-23T02:13:32.851_1
Header ID
GRAVI.2025-08-23T02:13:32.851
Date updated
2025-08-23 02:26:04 UTC+0000
Release date
2025-08-23 02:13:32 UTC+0000
UTC Start
2025-08-23 02:13:32.851
UTC End
2025-08-23 02:16:12.851
MJD Start
60910.09274133
MJD End
60910.09459318186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002315
Ambient temperature (°C)
2.62
Seeing (arcsec)
1.1400000000000001
Observation
ID
70071
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
51986
Name
HD_157097
RA
260.726869
DEC
-37.22101
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 48.6340 48.6360 168.7000 169.1000
A0-J2 116.9970 116.4780 114.8000 115.3000
A0-J6 152.5360 152.0420 39.5630 39.7900
B5-J2 96.7390 96.1510 90.8000 91.2000
B5-J6 187.0860 186.7150 27.9340 28.1710
J2-J6 166.8400 166.8500 356.8740 357.2550
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 60910.09274133
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 157097
HIERARCH ESO INS SOBJ NAME HD_157097
RA 260.726869
DEC -37.22101
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 48.634
HIERARCH ESO ISS PBL12 END 48.636
HIERARCH ESO ISS PBLA12 START 168.7
HIERARCH ESO ISS PBLA12 END 169.1
HIERARCH ESO ISS PBL13 START 116.997
HIERARCH ESO ISS PBL13 END 116.478
HIERARCH ESO ISS PBLA13 START 114.8
HIERARCH ESO ISS PBLA13 END 115.3
HIERARCH ESO ISS PBL14 START 152.536
HIERARCH ESO ISS PBL14 END 152.042
HIERARCH ESO ISS PBLA14 START 39.563
HIERARCH ESO ISS PBLA14 END 39.79
HIERARCH ESO ISS PBL23 START 96.739
HIERARCH ESO ISS PBL23 END 96.151
HIERARCH ESO ISS PBLA23 START 90.8
HIERARCH ESO ISS PBLA23 END 91.2
HIERARCH ESO ISS PBL24 START 187.086
HIERARCH ESO ISS PBL24 END 186.715
HIERARCH ESO ISS PBLA24 START 27.934
HIERARCH ESO ISS PBLA24 END 28.171
HIERARCH ESO ISS PBL34 START 166.84
HIERARCH ESO ISS PBL34 END 166.85
HIERARCH ESO ISS PBLA34 START 356.874
HIERARCH ESO ISS PBLA34 END 357.255
HIERARCH ESO ISS AMBI TAU0 START 0.002315
HIERARCH ESO ISS AMBI TAU0 END 0.002315
HIERARCH ESO ISS AMBI TEMP 2.62
HIERARCH ESO ISS AMBI FWHM START 0.96
HIERARCH ESO ISS AMBI FWHM END 1.32