Exposure
ID
GRAVI.2025-04-02T08:19:25.861_1
Header ID
GRAVI.2025-04-02T08:19:25.861
Date updated
2025-04-02 08:30:55 UTC+0000
Release date
2025-04-02 08:19:25 UTC+0000
UTC Start
2025-04-02 08:19:25.861
UTC End
2025-04-02 08:22:05.861
MJD Start
60767.3468271
MJD End
60767.34867895186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.00516
Ambient temperature (°C)
14.06
Seeing (arcsec)
0.575
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 66.6340 66.7860 261.9000 262.3000
K0-D0 95.1700 95.2800 241.7000 242.2000
K0-J3 53.8850 53.9850 325.5400 325.8350
G2-D0 39.8900 39.8770 206.6000 207.0000
G2-J3 64.4770 64.4640 33.3780 33.8120
D0-J3 104.1930 104.1660 30.7800 31.2050
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 60767.3468271
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 66.634
HIERARCH ESO ISS PBL12 END 66.786
HIERARCH ESO ISS PBLA12 START 261.9
HIERARCH ESO ISS PBLA12 END 262.3
HIERARCH ESO ISS PBL13 START 95.17
HIERARCH ESO ISS PBL13 END 95.28
HIERARCH ESO ISS PBLA13 START 241.7
HIERARCH ESO ISS PBLA13 END 242.2
HIERARCH ESO ISS PBL14 START 53.885
HIERARCH ESO ISS PBL14 END 53.985
HIERARCH ESO ISS PBLA14 START 325.54
HIERARCH ESO ISS PBLA14 END 325.835
HIERARCH ESO ISS PBL23 START 39.89
HIERARCH ESO ISS PBL23 END 39.877
HIERARCH ESO ISS PBLA23 START 206.6
HIERARCH ESO ISS PBLA23 END 207.0
HIERARCH ESO ISS PBL24 START 64.477
HIERARCH ESO ISS PBL24 END 64.464
HIERARCH ESO ISS PBLA24 START 33.378
HIERARCH ESO ISS PBLA24 END 33.812
HIERARCH ESO ISS PBL34 START 104.193
HIERARCH ESO ISS PBL34 END 104.166
HIERARCH ESO ISS PBLA34 START 30.78
HIERARCH ESO ISS PBLA34 END 31.205
HIERARCH ESO ISS AMBI TAU0 START 0.005476
HIERARCH ESO ISS AMBI TAU0 END 0.004844
HIERARCH ESO ISS AMBI TEMP 14.06
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.59