Exposure
ID
GRAVI.2025-04-29T05:40:46.198_1
Header ID
GRAVI.2025-04-29T05:40:46.198
Date updated
2025-04-29 05:50:58 UTC+0000
Release date
2025-04-29 05:40:46 UTC+0000
UTC Start
2025-04-29 05:40:46.198
UTC End
2025-04-29 05:43:26.198
MJD Start
60794.23664581
MJD End
60794.238497661856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004657
Ambient temperature (°C)
13.07
Seeing (arcsec)
0.53
Observation
ID
67041
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
49849
Name
HD_157097
RA
260.725476
DEC
-37.22101
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 80.3690 80.7880 99.8000 100.2000
A0-J2 118.5980 119.1030 74.5000 75.0000
A0-K0 122.8780 123.1680 52.5400 53.0930
G1-J2 57.4120 57.4720 37.6000 38.2000
G1-K0 90.2950 90.2820 11.7220 12.1340
J2-K0 46.0920 46.1500 338.7330 338.9970
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 60794.23664581
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 157097
HIERARCH ESO INS SOBJ NAME HD_157097
RA 260.725476
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 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 80.369
HIERARCH ESO ISS PBL12 END 80.788
HIERARCH ESO ISS PBLA12 START 99.8
HIERARCH ESO ISS PBLA12 END 100.2
HIERARCH ESO ISS PBL13 START 118.598
HIERARCH ESO ISS PBL13 END 119.103
HIERARCH ESO ISS PBLA13 START 74.5
HIERARCH ESO ISS PBLA13 END 75.0
HIERARCH ESO ISS PBL14 START 122.878
HIERARCH ESO ISS PBL14 END 123.168
HIERARCH ESO ISS PBLA14 START 52.54
HIERARCH ESO ISS PBLA14 END 53.093
HIERARCH ESO ISS PBL23 START 57.412
HIERARCH ESO ISS PBL23 END 57.472
HIERARCH ESO ISS PBLA23 START 37.6
HIERARCH ESO ISS PBLA23 END 38.2
HIERARCH ESO ISS PBL24 START 90.295
HIERARCH ESO ISS PBL24 END 90.282
HIERARCH ESO ISS PBLA24 START 11.722
HIERARCH ESO ISS PBLA24 END 12.134
HIERARCH ESO ISS PBL34 START 46.092
HIERARCH ESO ISS PBL34 END 46.15
HIERARCH ESO ISS PBLA34 START 338.733
HIERARCH ESO ISS PBLA34 END 338.997
HIERARCH ESO ISS AMBI TAU0 START 0.004121
HIERARCH ESO ISS AMBI TAU0 END 0.005193
HIERARCH ESO ISS AMBI TEMP 13.07
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.48