Exposure
ID
GRAVI.2025-04-02T08:12:37.844_1
Header ID
GRAVI.2025-04-02T08:12:37.844
Date updated
2025-04-02 08:25:48 UTC+0000
Release date
2025-04-02 08:12:37 UTC+0000
UTC Start
2025-04-02 08:12:37.844
UTC End
2025-04-02 08:15:17.844
MJD Start
60767.34210468
MJD End
60767.343956531855
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.005603
Ambient temperature (°C)
14.07
Seeing (arcsec)
0.605
Observation
ID
66005
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
49135
Name
HD_157097
RA
260.728267
DEC
-37.22101
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 66.2580 66.4260 260.8000 261.3000
K0-D0 94.8910 95.0180 240.6000 241.1000
K0-J3 53.6480 53.7530 324.8710 325.1600
G2-D0 39.9170 39.9060 205.6000 206.0000
G2-J3 64.4970 64.4900 32.3720 32.8120
D0-J3 104.2430 104.2230 29.7930 30.2240
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 60767.34210468
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 157097
HIERARCH ESO INS SOBJ NAME HD_157097
RA 260.728267
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 66.258
HIERARCH ESO ISS PBL12 END 66.426
HIERARCH ESO ISS PBLA12 START 260.8
HIERARCH ESO ISS PBLA12 END 261.3
HIERARCH ESO ISS PBL13 START 94.891
HIERARCH ESO ISS PBL13 END 95.018
HIERARCH ESO ISS PBLA13 START 240.6
HIERARCH ESO ISS PBLA13 END 241.1
HIERARCH ESO ISS PBL14 START 53.648
HIERARCH ESO ISS PBL14 END 53.753
HIERARCH ESO ISS PBLA14 START 324.871
HIERARCH ESO ISS PBLA14 END 325.16
HIERARCH ESO ISS PBL23 START 39.917
HIERARCH ESO ISS PBL23 END 39.906
HIERARCH ESO ISS PBLA23 START 205.6
HIERARCH ESO ISS PBLA23 END 206.0
HIERARCH ESO ISS PBL24 START 64.497
HIERARCH ESO ISS PBL24 END 64.49
HIERARCH ESO ISS PBLA24 START 32.372
HIERARCH ESO ISS PBLA24 END 32.812
HIERARCH ESO ISS PBL34 START 104.243
HIERARCH ESO ISS PBL34 END 104.223
HIERARCH ESO ISS PBLA34 START 29.793
HIERARCH ESO ISS PBLA34 END 30.224
HIERARCH ESO ISS AMBI TAU0 START 0.005545
HIERARCH ESO ISS AMBI TAU0 END 0.005661
HIERARCH ESO ISS AMBI TEMP 14.07
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.6